mirror of
https://github.com/node-red/node-red.git
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987 lines
44 KiB
JavaScript
987 lines
44 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var should = require("should");
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var NR_TEST_UTILS = require("nr-test-utils");
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var util = NR_TEST_UTILS.require("@node-red/util").util;
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describe("@node-red/util/util", function() {
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describe('generateId', function() {
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it('generates an id', function() {
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var id = util.generateId();
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var id2 = util.generateId();
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id.should.not.eql(id2);
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});
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});
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describe('compareObjects', function() {
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it('numbers', function() {
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util.compareObjects(0,0).should.equal(true);
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util.compareObjects(0,1).should.equal(false);
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util.compareObjects(1000,1001).should.equal(false);
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util.compareObjects(1000,1000).should.equal(true);
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util.compareObjects(0,"0").should.equal(false);
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util.compareObjects(1,"1").should.equal(false);
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util.compareObjects(0,null).should.equal(false);
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util.compareObjects(0,undefined).should.equal(false);
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});
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it('strings', function() {
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util.compareObjects("","").should.equal(true);
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util.compareObjects("a","a").should.equal(true);
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util.compareObjects("",null).should.equal(false);
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util.compareObjects("",undefined).should.equal(false);
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});
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it('arrays', function() {
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util.compareObjects(["a"],["a"]).should.equal(true);
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util.compareObjects(["a"],["a","b"]).should.equal(false);
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util.compareObjects(["a","b"],["b"]).should.equal(false);
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util.compareObjects(["a"],"a").should.equal(false);
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util.compareObjects([[1],["a"]],[[1],["a"]]).should.equal(true);
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util.compareObjects([[1],["a"]],[["a"],[1]]).should.equal(false);
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});
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it('objects', function() {
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util.compareObjects({"a":1},{"a":1,"b":1}).should.equal(false);
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util.compareObjects({"a":1,"b":1},{"a":1,"b":1}).should.equal(true);
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util.compareObjects({"b":1,"a":1},{"a":1,"b":1}).should.equal(true);
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});
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it('Buffer', function() {
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util.compareObjects(Buffer.from("hello"),Buffer.from("hello")).should.equal(true);
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util.compareObjects(Buffer.from("hello"),Buffer.from("hello ")).should.equal(false);
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util.compareObjects(Buffer.from("hello"),"hello").should.equal(false);
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});
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});
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describe('ensureString', function() {
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it('strings are preserved', function() {
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util.ensureString('string').should.equal('string');
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});
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it('Buffer is converted', function() {
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var s = util.ensureString(Buffer.from('foo'));
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s.should.equal('foo');
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(typeof s).should.equal('string');
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});
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it('Object is converted to JSON', function() {
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var s = util.ensureString({foo: "bar"});
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(typeof s).should.equal('string');
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should.deepEqual(JSON.parse(s), {foo:"bar"});
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});
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it('stringifies other things', function() {
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var s = util.ensureString(123);
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(typeof s).should.equal('string');
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s.should.equal('123');
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});
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});
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describe('ensureBuffer', function() {
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it('Buffers are preserved', function() {
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var b = Buffer.from('');
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util.ensureBuffer(b).should.equal(b);
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});
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it('string is converted', function() {
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var b = util.ensureBuffer('foo');
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var expected = Buffer.from('foo');
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for (var i = 0; i < expected.length; i++) {
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b[i].should.equal(expected[i]);
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}
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Buffer.isBuffer(b).should.equal(true);
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});
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it('Object is converted to JSON', function() {
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var obj = {foo: "bar"}
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var b = util.ensureBuffer(obj);
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Buffer.isBuffer(b).should.equal(true);
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should.deepEqual(JSON.parse(b), obj);
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});
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it('stringifies other things', function() {
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var b = util.ensureBuffer(123);
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Buffer.isBuffer(b).should.equal(true);
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var expected = Buffer.from('123');
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for (var i = 0; i < expected.length; i++) {
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b[i].should.equal(expected[i]);
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}
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});
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});
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describe('cloneMessage', function() {
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it('clones a simple message', function() {
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var msg = {string:"hi",array:[1,2,3],object:{a:1,subobject:{b:2}}};
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var cloned = util.cloneMessage(msg);
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cloned.should.eql(msg);
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cloned.should.not.equal(msg);
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cloned.array.should.not.equal(msg.string);
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cloned.object.should.not.equal(msg.object);
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cloned.object.subobject.should.not.equal(msg.object.subobject);
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cloned.should.not.have.property("req");
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cloned.should.not.have.property("res");
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});
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it('does not clone http req/res properties', function() {
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var msg = {req:{a:1},res:{b:2}};
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var cloned = util.cloneMessage(msg);
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cloned.should.eql(msg);
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cloned.should.not.equal(msg);
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cloned.req.should.equal(msg.req);
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cloned.res.should.equal(msg.res);
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});
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it('handles undefined values without throwing an error', function() {
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var result = util.cloneMessage(undefined);
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should.not.exist(result);
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})
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});
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describe('getObjectProperty', function() {
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it('gets a property beginning with "msg."', function() {
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// getMessageProperty strips off `msg.` prefixes.
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// getObjectProperty does not
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var obj = { msg: { a: "foo"}, a: "bar"};
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var v = util.getObjectProperty(obj,"msg.a");
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v.should.eql("foo");
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})
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});
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describe('getMessageProperty', function() {
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it('retrieves a simple property', function() {
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var v = util.getMessageProperty({a:"foo"},"msg.a");
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v.should.eql("foo");
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var v2 = util.getMessageProperty({a:"foo"},"a");
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v2.should.eql("foo");
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});
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it('should return undefined if property does not exist', function() {
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var v = util.getMessageProperty({a:"foo"},"msg.b");
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should.not.exist(v);
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});
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it('should throw error if property parent does not exist', function() {
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/*jshint immed: false */
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(function() {
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util.getMessageProperty({a:"foo"},"msg.a.b.c");
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}).should.throw();
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});
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it('retrieves a property with array syntax', function() {
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var v = util.getMessageProperty({a:["foo","bar"]},"msg.a[0]");
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v.should.eql("foo");
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var v2 = util.getMessageProperty({a:[null,{b:"foo"}]},"a[1].b");
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v2.should.eql("foo");
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var v3 = util.getMessageProperty({a:[[["foo"]]]},"a[0][0][0]");
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v3.should.eql("foo");
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});
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});
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describe('setObjectProperty', function() {
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it('set a property beginning with "msg."', function() {
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// setMessageProperty strips off `msg.` prefixes.
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// setObjectProperty does not
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var obj = {};
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var result = util.setObjectProperty(obj,"msg.a","bar");
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result.should.be.true();
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obj.should.have.property("msg");
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obj.msg.should.have.property("a","bar");
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})
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});
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describe('setMessageProperty', function() {
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it('sets a property', function() {
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var msg = {a:"foo"};
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var result = util.setMessageProperty(msg,"msg.a","bar");
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result.should.be.true();
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msg.a.should.eql('bar');
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});
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it('sets a deep level property', function() {
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var msg = {a:{b:{c:"foo"}}};
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var result = util.setMessageProperty(msg,"msg.a.b.c","bar");
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result.should.be.true();
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msg.a.b.c.should.eql('bar');
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});
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it('creates missing parent properties by default', function() {
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var msg = {a:{}};
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var result = util.setMessageProperty(msg,"msg.a.b.c","bar");
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result.should.be.true();
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msg.a.b.c.should.eql('bar');
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})
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it('does not create missing parent properties', function() {
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var msg = {a:{}};
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var result = util.setMessageProperty(msg,"msg.a.b.c","bar",false);
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result.should.be.false();
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should.not.exist(msg.a.b);
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})
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it('does not create missing parent properties of array', function () {
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var msg = {a:{}};
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var result = util.setMessageProperty(msg, "msg.a.b[1].c", "bar", false);
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result.should.be.false();
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should.not.exist(msg.a.b);
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})
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it('does not create missing parent properties of string', function() {
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var msg = {a:"foo"};
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var result = util.setMessageProperty(msg, "msg.a.b.c", "bar", false);
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result.should.be.false();
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should.not.exist(msg.a.b);
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})
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it('does not set property of existing string property', function() {
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var msg = {a:"foo"};
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var result = util.setMessageProperty(msg, "msg.a.b", "bar", false);
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result.should.be.false();
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should.not.exist(msg.a.b);
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})
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it('does not set property of existing number property', function() {
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var msg = {a:123};
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var result = util.setMessageProperty(msg, "msg.a.b", "bar", false);
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result.should.be.false();
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should.not.exist(msg.a.b);
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})
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it('does not create missing parent properties of number', function() {
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var msg = {a:123};
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var result = util.setMessageProperty(msg, "msg.a.b.c", "bar", false);
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result.should.be.false();
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should.not.exist(msg.a.b);
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})
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it('does not set property of existing boolean property', function() {
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var msg = {a:true};
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var result = util.setMessageProperty(msg, "msg.a.b", "bar", false);
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result.should.be.false();
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should.not.exist(msg.a.b);
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})
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it('does not create missing parent properties of boolean', function() {
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var msg = {a:true};
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var result = util.setMessageProperty(msg, "msg.a.b.c", "bar", false);
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result.should.be.false();
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should.not.exist(msg.a.b);
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})
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it('deletes property if value is undefined', function() {
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var msg = {a:{b:{c:"foo"}}};
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var result = util.setMessageProperty(msg,"msg.a.b.c",undefined);
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result.should.be.true();
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should.not.exist(msg.a.b.c);
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})
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it('does not create missing parent properties if value is undefined', function() {
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var msg = {a:{}};
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var result = util.setMessageProperty(msg,"msg.a.b.c",undefined);
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result.should.be.false();
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should.not.exist(msg.a.b);
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});
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it('sets a property with array syntax', function() {
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var msg = {a:{b:["foo",{c:["",""]}]}};
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var result = util.setMessageProperty(msg,"msg.a.b[1].c[1]","bar");
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result.should.be.true();
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msg.a.b[1].c[1].should.eql('bar');
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});
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it('creates missing array elements - final property', function() {
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var msg = {a:[]};
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var result = util.setMessageProperty(msg,"msg.a[2]","bar");
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result.should.be.true();
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msg.a.should.have.length(3);
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msg.a[2].should.eql("bar");
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});
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it('creates missing array elements - mid property', function() {
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var msg = {};
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var result = util.setMessageProperty(msg,"msg.a[2].b","bar");
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result.should.be.true();
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msg.a.should.have.length(3);
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msg.a[2].b.should.eql("bar");
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});
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it('creates missing array elements - multi-arrays', function() {
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var msg = {};
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var result = util.setMessageProperty(msg,"msg.a[2][2]","bar");
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result.should.be.true();
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msg.a.should.have.length(3);
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msg.a.should.be.instanceOf(Array);
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msg.a[2].should.have.length(3);
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msg.a[2].should.be.instanceOf(Array);
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msg.a[2][2].should.eql("bar");
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});
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it('does not create missing array elements - mid property', function () {
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var msg = {a:[]};
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var result = util.setMessageProperty(msg, "msg.a[1][1]", "bar", false);
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result.should.be.false();
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msg.a.should.empty();
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});
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it('does not create missing array elements - final property', function() {
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var msg = {a:{}};
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var result = util.setMessageProperty(msg,"msg.a.b[2]","bar",false);
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result.should.be.false();
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should.not.exist(msg.a.b);
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// check it has not been misinterpreted
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msg.a.should.not.have.property("b[2]");
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});
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it('deletes property inside array if value is undefined', function() {
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var msg = {a:[1,2,3]};
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var result = util.setMessageProperty(msg,"msg.a[1]",undefined);
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result.should.be.true();
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msg.a.should.have.length(2);
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msg.a[0].should.eql(1);
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msg.a[1].should.eql(3);
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})
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});
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describe('evaluateNodeProperty', function() {
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it('returns string',function() {
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var result = util.evaluateNodeProperty('hello','str');
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result.should.eql('hello');
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});
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it('returns number',function() {
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var result = util.evaluateNodeProperty('0123','num');
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result.should.eql(123);
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});
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it('returns evaluated json',function() {
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var result = util.evaluateNodeProperty('{"a":123}','json');
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result.should.eql({a:123});
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});
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it('returns regex',function() {
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var result = util.evaluateNodeProperty('^abc$','re');
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result.toString().should.eql("/^abc$/");
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});
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it('returns boolean',function() {
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var result = util.evaluateNodeProperty('true','bool');
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result.should.be.true();
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result = util.evaluateNodeProperty('TrUe','bool');
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result.should.be.true();
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result = util.evaluateNodeProperty('false','bool');
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result.should.be.false();
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result = util.evaluateNodeProperty('','bool');
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result.should.be.false();
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});
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it('returns date',function() {
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var result = util.evaluateNodeProperty('','date');
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(Date.now() - result).should.be.approximately(0,50);
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});
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it('returns bin', function () {
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var result = util.evaluateNodeProperty('[1, 2]','bin');
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result[0].should.eql(1);
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result[1].should.eql(2);
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});
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it('returns msg property',function() {
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var result = util.evaluateNodeProperty('foo.bar','msg',{},{foo:{bar:"123"}});
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result.should.eql("123");
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});
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it('throws an error if callback is not defined', function (done) {
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try {
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util.evaluateNodeProperty(' ','msg',{},{foo:{bar:"123"}});
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done("should throw an error");
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} catch (err) {
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done();
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}
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});
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it('returns flow property',function() {
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var result = util.evaluateNodeProperty('foo.bar','flow',{
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context:function() { return {
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flow: { get: function(k) {
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if (k === 'foo.bar') {
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return '123';
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} else {
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return null;
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}
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}}
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}}
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},{});
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result.should.eql("123");
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});
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it('returns global property',function() {
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var result = util.evaluateNodeProperty('foo.bar','global',{
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context:function() { return {
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global: { get: function(k) {
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if (k === 'foo.bar') {
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return '123';
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} else {
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return null;
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}
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}}
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}}
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},{});
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result.should.eql("123");
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});
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it('returns jsonata result', function () {
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var result = util.evaluateNodeProperty('$abs(-1)','jsonata',{},{});
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result.should.eql(1);
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});
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it('returns null', function() {
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var result = util.evaluateNodeProperty(null,'null');
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(result === null).should.be.true();
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})
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describe('environment variable', function() {
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before(function() {
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process.env.NR_TEST_A = "foo";
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process.env.NR_TEST_B = "${NR_TEST_A}";
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})
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after(function() {
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delete process.env.NR_TEST_A;
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delete process.env.NR_TEST_B;
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})
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it('returns an environment variable - NR_TEST_A', function() {
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var result = util.evaluateNodeProperty('NR_TEST_A','env');
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result.should.eql('foo');
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});
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it('returns an environment variable - ${NR_TEST_A}', function() {
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var result = util.evaluateNodeProperty('${NR_TEST_A}','env');
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result.should.eql('foo');
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});
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it('returns an environment variable - ${NR_TEST_A', function() {
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var result = util.evaluateNodeProperty('${NR_TEST_A','env');
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result.should.eql('');
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});
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it('returns an environment variable - foo${NR_TEST_A}bar', function() {
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var result = util.evaluateNodeProperty('123${NR_TEST_A}456','env');
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result.should.eql('123foo456');
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});
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it('returns an environment variable - foo${NR_TEST_B}bar', function() {
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var result = util.evaluateNodeProperty('123${NR_TEST_B}456','env');
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result.should.eql('123${NR_TEST_A}456');
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});
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});
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});
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describe('normalisePropertyExpression', function() {
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function testABC(input,expected) {
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var result = util.normalisePropertyExpression(input);
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// console.log("+",input);
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// console.log(result);
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result.should.eql(expected);
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}
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function testInvalid(input) {
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/*jshint immed: false */
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(function() {
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util.normalisePropertyExpression(input);
|
|
}).should.throw();
|
|
}
|
|
it('pass a.b.c',function() { testABC('a.b.c',['a','b','c']); })
|
|
it('pass a["b"]["c"]',function() { testABC('a["b"]["c"]',['a','b','c']); })
|
|
it('pass a["b"].c',function() { testABC('a["b"].c',['a','b','c']); })
|
|
it("pass a['b'].c",function() { testABC("a['b'].c",['a','b','c']); })
|
|
|
|
it("pass a[0].c",function() { testABC("a[0].c",['a',0,'c']); })
|
|
it("pass a.0.c",function() { testABC("a.0.c",['a',0,'c']); })
|
|
it("pass a['a.b[0]'].c",function() { testABC("a['a.b[0]'].c",['a','a.b[0]','c']); })
|
|
it("pass a[0][0][0]",function() { testABC("a[0][0][0]",['a',0,0,0]); })
|
|
it("pass '1.2.3.4'",function() { testABC("'1.2.3.4'",['1.2.3.4']); })
|
|
it("pass 'a.b'[1]",function() { testABC("'a.b'[1]",['a.b',1]); })
|
|
it("pass 'a.b'.c",function() { testABC("'a.b'.c",['a.b','c']); })
|
|
|
|
|
|
it('pass a.$b.c',function() { testABC('a.$b.c',['a','$b','c']); })
|
|
it('pass a["$b"].c',function() { testABC('a["$b"].c',['a','$b','c']); })
|
|
it('pass a._b.c',function() { testABC('a._b.c',['a','_b','c']); })
|
|
it('pass a["_b"].c',function() { testABC('a["_b"].c',['a','_b','c']); })
|
|
|
|
it("fail a'b'.c",function() { testInvalid("a'b'.c"); })
|
|
it("fail a['b'.c",function() { testInvalid("a['b'.c"); })
|
|
it("fail a[]",function() { testInvalid("a[]"); })
|
|
it("fail a]",function() { testInvalid("a]"); })
|
|
it("fail a[",function() { testInvalid("a["); })
|
|
it("fail a[0d]",function() { testInvalid("a[0d]"); })
|
|
it("fail a['",function() { testInvalid("a['"); })
|
|
it("fail a[']",function() { testInvalid("a[']"); })
|
|
it("fail a[0']",function() { testInvalid("a[0']"); })
|
|
it("fail a.[0]",function() { testInvalid("a.[0]"); })
|
|
it("fail [0]",function() { testInvalid("[0]"); })
|
|
it("fail a[0",function() { testInvalid("a[0"); })
|
|
it("fail a.",function() { testInvalid("a."); })
|
|
it("fail .a",function() { testInvalid(".a"); })
|
|
it("fail a. b",function() { testInvalid("a. b"); })
|
|
it("fail a.b",function() { testInvalid(" a.b"); })
|
|
it("fail a[0].[1]",function() { testInvalid("a[0].[1]"); })
|
|
it("fail a['']",function() { testInvalid("a['']"); })
|
|
it("fail 'a.b'c",function() { testInvalid("'a.b'c"); })
|
|
it("fail <blank>",function() { testInvalid("");})
|
|
|
|
});
|
|
|
|
describe('normaliseNodeTypeName', function() {
|
|
function normalise(input, expected) {
|
|
var result = util.normaliseNodeTypeName(input);
|
|
result.should.eql(expected);
|
|
}
|
|
|
|
it('pass blank',function() { normalise("", "") });
|
|
it('pass ab1',function() { normalise("ab1", "ab1") });
|
|
it('pass AB1',function() { normalise("AB1", "aB1") });
|
|
it('pass a b 1',function() { normalise("a b 1", "aB1") });
|
|
it('pass a-b-1',function() { normalise("a-b-1", "aB1") });
|
|
it('pass ab1 ',function() { normalise(" ab1 ", "ab1") });
|
|
it('pass _a_b_1_',function() { normalise("_a_b_1_", "aB1") });
|
|
it('pass http request',function() { normalise("http request", "httpRequest") });
|
|
it('pass HttpRequest',function() { normalise("HttpRequest", "httpRequest") });
|
|
});
|
|
|
|
describe('prepareJSONataExpression', function() {
|
|
it('prepares an expression', function() {
|
|
var result = util.prepareJSONataExpression('payload',{});
|
|
result.should.have.property('evaluate');
|
|
result.should.have.property('assign');
|
|
result.should.have.property('_legacyMode', false);
|
|
});
|
|
it('prepares a legacyMode expression', function() {
|
|
var result = util.prepareJSONataExpression('msg.payload',{});
|
|
result.should.have.property('evaluate');
|
|
result.should.have.property('assign');
|
|
result.should.have.property('_legacyMode', true);
|
|
});
|
|
});
|
|
describe('evaluateJSONataExpression', function() {
|
|
it('evaluates an expression', function() {
|
|
var expr = util.prepareJSONataExpression('payload',{});
|
|
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
|
|
result.should.eql("hello");
|
|
});
|
|
it('evaluates a legacyMode expression', function() {
|
|
var expr = util.prepareJSONataExpression('msg.payload',{});
|
|
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
|
|
result.should.eql("hello");
|
|
});
|
|
it('accesses flow context from an expression', function() {
|
|
var expr = util.prepareJSONataExpression('$flowContext("foo")',{context:function() { return {flow:{get: function(key) { return {'foo':'bar'}[key]}}}}});
|
|
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
|
|
result.should.eql("bar");
|
|
});
|
|
it('accesses undefined environment variable from an expression', function() {
|
|
var expr = util.prepareJSONataExpression('$env("UTIL_ENV")',{});
|
|
var result = util.evaluateJSONataExpression(expr,{});
|
|
result.should.eql('');
|
|
});
|
|
it('accesses environment variable from an expression', function() {
|
|
process.env.UTIL_ENV = 'foo';
|
|
var expr = util.prepareJSONataExpression('$env("UTIL_ENV")',{});
|
|
var result = util.evaluateJSONataExpression(expr,{});
|
|
result.should.eql('foo');
|
|
});
|
|
it('accesses moment from an expression', function() {
|
|
var expr = util.prepareJSONataExpression('$moment("2020-05-27", "YYYY-MM-DD").add(7, "days").add(1, "months").format("YYYY-MM-DD")',{});
|
|
var result = util.evaluateJSONataExpression(expr,{});
|
|
result.should.eql('2020-07-03');
|
|
});
|
|
it('accesses moment-timezone from an expression', function() {
|
|
var expr = util.prepareJSONataExpression('$moment("2013-11-18 11:55Z").tz("Asia/Taipei").format()',{});
|
|
var result = util.evaluateJSONataExpression(expr,{});
|
|
result.should.eql('2013-11-18T19:55:00+08:00');
|
|
});
|
|
it('handles non-existant flow context variable', function() {
|
|
var expr = util.prepareJSONataExpression('$flowContext("nonExistant")',{context:function() { return {flow:{get: function(key) { return {'foo':'bar'}[key]}}}}});
|
|
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
|
|
should.not.exist(result);
|
|
});
|
|
it('handles non-existant global context variable', function() {
|
|
var expr = util.prepareJSONataExpression('$globalContext("nonExistant")',{context:function() { return {global:{get: function(key) { return {'foo':'bar'}[key]}}}}});
|
|
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
|
|
should.not.exist(result);
|
|
});
|
|
it('handles async flow context access', function(done) {
|
|
var expr = util.prepareJSONataExpression('$flowContext("foo")',{context:function() { return {flow:{get: function(key,store,callback) { setTimeout(()=>{callback(null,{'foo':'bar'}[key])},10)}}}}});
|
|
util.evaluateJSONataExpression(expr,{payload:"hello"},function(err,value) {
|
|
try {
|
|
should.not.exist(err);
|
|
value.should.eql("bar");
|
|
done();
|
|
} catch(err2) {
|
|
done(err2);
|
|
}
|
|
});
|
|
})
|
|
it('handles async global context access', function(done) {
|
|
var expr = util.prepareJSONataExpression('$globalContext("foo")',{context:function() { return {global:{get: function(key,store,callback) { setTimeout(()=>{callback(null,{'foo':'bar'}[key])},10)}}}}});
|
|
util.evaluateJSONataExpression(expr,{payload:"hello"},function(err,value) {
|
|
try {
|
|
should.not.exist(err);
|
|
value.should.eql("bar");
|
|
done();
|
|
} catch(err2) {
|
|
done(err2);
|
|
}
|
|
});
|
|
})
|
|
it('handles persistable store in flow context access', function(done) {
|
|
var storeName;
|
|
var expr = util.prepareJSONataExpression('$flowContext("foo", "flowStoreName")',{context:function() { return {flow:{get: function(key,store,callback) { storeName = store;setTimeout(()=>{callback(null,{'foo':'bar'}[key])},10)}}}}});
|
|
util.evaluateJSONataExpression(expr,{payload:"hello"},function(err,value) {
|
|
try {
|
|
should.not.exist(err);
|
|
value.should.eql("bar");
|
|
storeName.should.equal("flowStoreName");
|
|
done();
|
|
} catch(err2) {
|
|
done(err2);
|
|
}
|
|
});
|
|
})
|
|
it('handles persistable store in global context access', function(done) {
|
|
var storeName;
|
|
var expr = util.prepareJSONataExpression('$globalContext("foo", "globalStoreName")',{context:function() { return {global:{get: function(key,store,callback) { storeName = store;setTimeout(()=>{callback(null,{'foo':'bar'}[key])},10)}}}}});
|
|
util.evaluateJSONataExpression(expr,{payload:"hello"},function(err,value) {
|
|
try {
|
|
should.not.exist(err);
|
|
value.should.eql("bar");
|
|
storeName.should.equal("globalStoreName");
|
|
done();
|
|
} catch(err2) {
|
|
done(err2);
|
|
}
|
|
});
|
|
})
|
|
it('callbacks with error when invalid expression was specified', function (done) {
|
|
var expr = util.prepareJSONataExpression('$abc(1)',{});
|
|
var result = util.evaluateJSONataExpression(expr,{payload:"hello"},function(err,value){
|
|
should.exist(err);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('encodeObject', function () {
|
|
it('encodes Error with message', function() {
|
|
var err = new Error("encode error");
|
|
err.name = 'encodeError';
|
|
var msg = {msg:err};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("error");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.name.should.eql('encodeError');
|
|
resultJson.message.should.eql('encode error');
|
|
});
|
|
it('encodes Error without message', function() {
|
|
var err = new Error();
|
|
err.name = 'encodeError';
|
|
err.toString = function(){return 'error message';}
|
|
var msg = {msg:err};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("error");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.name.should.eql('encodeError');
|
|
resultJson.message.should.eql('error message');
|
|
});
|
|
it('encodes Buffer', function() {
|
|
var msg = {msg:Buffer.from("abc")};
|
|
var result = util.encodeObject(msg,{maxLength:4});
|
|
result.format.should.eql("buffer[3]");
|
|
result.msg[0].should.eql('6');
|
|
result.msg[1].should.eql('1');
|
|
result.msg[2].should.eql('6');
|
|
result.msg[3].should.eql('2');
|
|
});
|
|
it('encodes function', function() {
|
|
var msg = {msg:function(){}};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("function");
|
|
result.msg.should.eql('[function]');
|
|
});
|
|
it('encodes boolean', function() {
|
|
var msg = {msg:true};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("boolean");
|
|
result.msg.should.eql('true');
|
|
});
|
|
it('encodes number', function() {
|
|
var msg = {msg:123};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("number");
|
|
result.msg.should.eql('123');
|
|
});
|
|
it('encodes 0', function() {
|
|
var msg = {msg:0};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("number");
|
|
result.msg.should.eql('0');
|
|
});
|
|
it('encodes null', function() {
|
|
var msg = {msg:null};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("null");
|
|
result.msg.should.eql('(undefined)');
|
|
});
|
|
it('encodes undefined', function() {
|
|
var msg = {msg:undefined};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("undefined");
|
|
result.msg.should.eql('(undefined)');
|
|
});
|
|
it('encodes string', function() {
|
|
var msg = {msg:'1234567890'};
|
|
var result = util.encodeObject(msg,{maxLength:6});
|
|
result.format.should.eql("string[10]");
|
|
result.msg.should.eql('123456...');
|
|
});
|
|
describe('encode object', function() {
|
|
it('object', function() {
|
|
var msg = { msg:{"foo":"bar"} };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("Object");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.foo.should.eql('bar');
|
|
});
|
|
it('object whose name includes error', function() {
|
|
function MyErrorObj(){
|
|
this.name = 'my error obj';
|
|
this.message = 'my error message';
|
|
};
|
|
var msg = { msg:new MyErrorObj() };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("MyErrorObj");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.name.should.eql('my error obj');
|
|
resultJson.message.should.eql('my error message');
|
|
});
|
|
|
|
it('object with undefined property', function() {
|
|
var msg = { msg:{a:1,b:undefined,c:3 } };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("Object");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.should.have.property("a",1);
|
|
resultJson.should.have.property("c",3);
|
|
resultJson.should.have.property("b");
|
|
resultJson.b.should.have.property("__enc__", true);
|
|
resultJson.b.should.have.property("type", "undefined");
|
|
});
|
|
|
|
it('constructor of IncomingMessage', function() {
|
|
function IncomingMessage(){};
|
|
var msg = { msg:new IncomingMessage() };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("Object");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.should.empty();
|
|
});
|
|
it('_req key in msg', function() {
|
|
function Socket(){};
|
|
var msg = { msg:{"_req":123} };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("Object");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson._req.__enc__.should.eql(true);
|
|
resultJson._req.type.should.eql('internal');
|
|
});
|
|
it('_res key in msg', function() {
|
|
function Socket(){};
|
|
var msg = { msg:{"_res":123} };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("Object");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson._res.__enc__.should.eql(true);
|
|
resultJson._res.type.should.eql('internal');
|
|
});
|
|
it('array of error', function() {
|
|
var msg = { msg:[new Error("encode error")] };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("array[1]");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson[0].should.eql('Error: encode error');
|
|
});
|
|
it('long array in msg', function() {
|
|
var msg = {msg:{array:[1,2,3,4]}};
|
|
var result = util.encodeObject(msg,{maxLength:2});
|
|
result.format.should.eql("Object");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.array.__enc__.should.eql(true);
|
|
resultJson.array.data[0].should.eql(1);
|
|
resultJson.array.data[1].should.eql(2);
|
|
resultJson.array.length.should.eql(4);
|
|
});
|
|
it('array of string', function() {
|
|
var msg = { msg:["abcde","12345"] };
|
|
var result = util.encodeObject(msg,{maxLength:3});
|
|
result.format.should.eql("array[2]");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson[0].should.eql('abc...');
|
|
resultJson[1].should.eql('123...');
|
|
});
|
|
it('array containing undefined', function() {
|
|
var msg = { msg:[1,undefined,3]};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("array[3]");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson[0].should.eql(1);
|
|
resultJson[2].should.eql(3);
|
|
resultJson[1].__enc__.should.be.true();
|
|
resultJson[1].type.should.eql("undefined");
|
|
});
|
|
it('array of function', function() {
|
|
var msg = { msg:[function(){}] };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("array[1]");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson[0].__enc__.should.eql(true);
|
|
resultJson[0].type.should.eql('function');
|
|
});
|
|
it('array of number', function() {
|
|
var msg = { msg:[1,2,3] };
|
|
var result = util.encodeObject(msg,{maxLength:2});
|
|
result.format.should.eql("array[3]");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.__enc__.should.eql(true);
|
|
resultJson.data[0].should.eql(1);
|
|
resultJson.data[1].should.eql(2);
|
|
resultJson.data.length.should.eql(2);
|
|
resultJson.length.should.eql(3);
|
|
});
|
|
it('array of special number', function() {
|
|
var msg = { msg:[NaN,Infinity,-Infinity] };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("array[3]");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson[0].__enc__.should.eql(true);
|
|
resultJson[0].type.should.eql('number');
|
|
resultJson[0].data.should.eql('NaN');
|
|
resultJson[1].data.should.eql('Infinity');
|
|
resultJson[2].data.should.eql('-Infinity');
|
|
});
|
|
it('constructor of Buffer in msg', function() {
|
|
var msg = { msg:{buffer:Buffer.from([1,2,3,4])} };
|
|
var result = util.encodeObject(msg,{maxLength:2});
|
|
result.format.should.eql("Object");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.buffer.__enc__.should.eql(true);
|
|
resultJson.buffer.length.should.eql(4);
|
|
resultJson.buffer.data[0].should.eql(1);
|
|
resultJson.buffer.data[1].should.eql(2);
|
|
});
|
|
it('constructor of ServerResponse', function() {
|
|
function ServerResponse(){};
|
|
var msg = { msg: new ServerResponse() };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("Object");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.should.eql('[internal]');
|
|
});
|
|
it('constructor of Socket in msg', function() {
|
|
function Socket(){};
|
|
var msg = { msg: { socket: new Socket() } };
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("Object");
|
|
var resultJson = JSON.parse(result.msg);
|
|
resultJson.socket.should.eql('[internal]');
|
|
});
|
|
it('object which fails to serialise', function(done) {
|
|
var msg = {
|
|
msg: {
|
|
obj:{
|
|
cantserialise:{
|
|
message:'this will not be displayed',
|
|
toJSON: function(val) {
|
|
throw 'this exception should have been caught';
|
|
return 'should not display because we threw first';
|
|
},
|
|
},
|
|
canserialise:{
|
|
message:'this should be displayed',
|
|
}
|
|
},
|
|
}
|
|
};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("error");
|
|
var success = (result.msg.indexOf('cantserialise') > 0);
|
|
success &= (result.msg.indexOf('this exception should have been caught') > 0);
|
|
success &= (result.msg.indexOf('canserialise') > 0);
|
|
success.should.eql(1);
|
|
done();
|
|
});
|
|
it('object which fails to serialise - different error type', function(done) {
|
|
var msg = {
|
|
msg: {
|
|
obj:{
|
|
cantserialise:{
|
|
message:'this will not be displayed',
|
|
toJSON: function(val) {
|
|
throw new Error('this exception should have been caught');
|
|
return 'should not display because we threw first';
|
|
},
|
|
},
|
|
canserialise:{
|
|
message:'this should be displayed',
|
|
}
|
|
},
|
|
}
|
|
};
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("error");
|
|
var success = (result.msg.indexOf('cantserialise') > 0);
|
|
success &= (result.msg.indexOf('this exception should have been caught') > 0);
|
|
success &= (result.msg.indexOf('canserialise') > 0);
|
|
success.should.eql(1);
|
|
done();
|
|
});
|
|
it('very large object which fails to serialise should be truncated', function(done) {
|
|
var msg = {
|
|
msg: {
|
|
obj:{
|
|
big:"",
|
|
cantserialise:{
|
|
message:'this will not be displayed',
|
|
toJSON: function(val) {
|
|
throw new Error('this exception should have been caught');
|
|
return 'should not display because we threw first';
|
|
},
|
|
},
|
|
canserialise:{
|
|
message:'this should be displayed',
|
|
}
|
|
},
|
|
}
|
|
};
|
|
|
|
for (var i = 0; i < 1000; i++) {
|
|
msg.msg.obj.big += 'some more string ';
|
|
}
|
|
|
|
var result = util.encodeObject(msg);
|
|
result.format.should.eql("error");
|
|
var resultJson = JSON.parse(result.msg);
|
|
var success = (resultJson.message.length <= 1000);
|
|
success.should.eql(true);
|
|
done();
|
|
});
|
|
it('test bad toString', function(done) {
|
|
var msg = {
|
|
msg: {
|
|
mystrangeobj:"hello",
|
|
},
|
|
};
|
|
msg.msg.toString = function(){
|
|
throw new Error('Exception in toString - should have been caught');
|
|
}
|
|
msg.msg.constructor = { name: "strangeobj" };
|
|
|
|
var result = util.encodeObject(msg);
|
|
var success = (result.msg.indexOf('[Type not printable]') >= 0);
|
|
success.should.eql(true);
|
|
done();
|
|
});
|
|
it('test bad object constructor', function(done) {
|
|
var msg = {
|
|
msg: {
|
|
mystrangeobj:"hello",
|
|
constructor: {
|
|
get name(){
|
|
throw new Error('Exception in constructor name');
|
|
}
|
|
}
|
|
},
|
|
};
|
|
var result = util.encodeObject(msg);
|
|
done();
|
|
});
|
|
|
|
});
|
|
});
|
|
});
|