mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
480 lines
21 KiB
JavaScript
480 lines
21 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 sinon = require('sinon');
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var path = require("path");
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var Context = require("../../../../../red/runtime/nodes/context/index");
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describe('context', function() {
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describe('local memory',function() {
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beforeEach(function() {
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Context.init({});
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return Context.load();
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});
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afterEach(function() {
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Context.clean({allNodes:{}});
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return Context.close();
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});
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it('stores local property',function() {
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var context1 = Context.get("1","flowA");
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should.not.exist(context1.get("foo"));
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context1.set("foo","test");
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context1.get("foo").should.equal("test");
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});
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it('stores local property - creates parent properties',function() {
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var context1 = Context.get("1","flowA");
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context1.set("foo.bar","test");
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context1.get("foo").should.eql({bar:"test"});
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});
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it('deletes local property',function() {
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var context1 = Context.get("1","flowA");
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context1.set("foo.abc.bar1","test1");
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context1.set("foo.abc.bar2","test2");
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context1.get("foo.abc").should.eql({bar1:"test1",bar2:"test2"});
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context1.set("foo.abc.bar1",undefined);
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context1.get("foo.abc").should.eql({bar2:"test2"});
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context1.set("foo.abc",undefined);
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should.not.exist(context1.get("foo.abc"));
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context1.set("foo",undefined);
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should.not.exist(context1.get("foo"));
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});
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it('stores flow property',function() {
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var context1 = Context.get("1","flowA");
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should.not.exist(context1.flow.get("foo"));
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context1.flow.set("foo","test");
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context1.flow.get("foo").should.equal("test");
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});
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it('stores global property',function() {
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var context1 = Context.get("1","flowA");
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should.not.exist(context1.global.get("foo"));
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context1.global.set("foo","test");
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context1.global.get("foo").should.equal("test");
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});
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it('keeps local context local', function() {
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var context1 = Context.get("1","flowA");
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var context2 = Context.get("2","flowA");
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should.not.exist(context1.get("foo"));
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should.not.exist(context2.get("foo"));
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context1.set("foo","test");
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context1.get("foo").should.equal("test");
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should.not.exist(context2.get("foo"));
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});
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it('flow context accessible to all flow nodes', function() {
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var context1 = Context.get("1","flowA");
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var context2 = Context.get("2","flowA");
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should.not.exist(context1.flow.get("foo"));
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should.not.exist(context2.flow.get("foo"));
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context1.flow.set("foo","test");
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context1.flow.get("foo").should.equal("test");
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context2.flow.get("foo").should.equal("test");
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});
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it('flow context not shared to nodes on other flows', function() {
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var context1 = Context.get("1","flowA");
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var context2 = Context.get("2","flowB");
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should.not.exist(context1.flow.get("foo"));
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should.not.exist(context2.flow.get("foo"));
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context1.flow.set("foo","test");
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context1.flow.get("foo").should.equal("test");
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should.not.exist(context2.flow.get("foo"));
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});
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it('global context shared to all nodes', function() {
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var context1 = Context.get("1","flowA");
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var context2 = Context.get("2","flowB");
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should.not.exist(context1.global.get("foo"));
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should.not.exist(context2.global.get("foo"));
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context1.global.set("foo","test");
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context1.global.get("foo").should.equal("test");
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context2.global.get("foo").should.equal("test");
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});
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it('deletes context',function() {
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var context = Context.get("1","flowA");
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should.not.exist(context.get("foo"));
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context.set("foo","abc");
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context.get("foo").should.equal("abc");
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return Context.delete("1","flowA").then(function(){
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context = Context.get("1","flowA");
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should.not.exist(context.get("foo"));
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});
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});
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it('enumerates context keys', function() {
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var context = Context.get("1","flowA");
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var keys = context.keys();
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keys.should.be.an.Array();
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keys.should.be.empty();
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context.set("foo","bar");
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keys = context.keys();
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keys.should.have.length(1);
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keys[0].should.equal("foo");
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context.set("abc.def","bar");
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keys = context.keys();
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keys.should.have.length(2);
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keys[1].should.equal("abc");
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});
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it('should enumerate only context keys when GlobalContext was given', function() {
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Context.init({functionGlobalContext: {foo:"bar"}});
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return Context.load().then(function(){
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var context = Context.get("1","flowA");
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var keys = context.global.keys();
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keys.should.have.length(1);
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keys[0].should.equal("foo");
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});
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});
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});
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describe('external context storage',function() {
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var resourcesDir = path.resolve(path.join(__dirname,"..","resources","context"));
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var sandbox = sinon.sandbox.create();
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var stubGet = sandbox.stub();
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var stubSet = sandbox.stub();
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var stubKeys = sandbox.stub();
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var stubDelete = sandbox.stub().returns(Promise.resolve());
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var stubClean = sandbox.stub().returns(Promise.resolve());
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var stubOpen = sandbox.stub().returns(Promise.resolve());
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var stubClose = sandbox.stub().returns(Promise.resolve());
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var stubGet2 = sandbox.stub();
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var stubSet2 = sandbox.stub();
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var stubKeys2 = sandbox.stub();
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var stubDelete2 = sandbox.stub().returns(Promise.resolve());
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var stubClean2 = sandbox.stub().returns(Promise.resolve());
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var stubOpen2 = sandbox.stub().returns(Promise.resolve());
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var stubClose2 = sandbox.stub().returns(Promise.resolve());
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var testPlugin = function(config){
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function Test(){}
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Test.prototype.get = stubGet;
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Test.prototype.set = stubSet;
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Test.prototype.keys = stubKeys;
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Test.prototype.delete = stubDelete;
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Test.prototype.clean = stubClean;
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Test.prototype.open = stubOpen;
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Test.prototype.close = stubClose;
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return new Test(config);
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};
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var testPlugin2 = function(config){
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function Test2(){}
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Test2.prototype.get = stubGet2;
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Test2.prototype.set = stubSet2;
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Test2.prototype.keys = stubKeys2;
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Test2.prototype.delete = stubDelete2;
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Test2.prototype.clean = stubClean2;
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Test2.prototype.open = stubOpen2;
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Test2.prototype.close = stubClose2;
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return new Test2(config);
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};
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var contextStorage={
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test:{
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module: testPlugin,
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config:{}
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}
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};
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var contextDefaultStorage={
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default: {
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module: testPlugin2,
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config:{}
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},
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test:{
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module: testPlugin,
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config:{}
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}
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};
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var contextAlias={
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default: "test",
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test:{
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module: testPlugin,
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config:{}
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}
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};
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afterEach(function() {
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sandbox.reset();
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return Context.clean({allNodes:{}}).then(function(){
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return Context.close();
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});
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});
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describe('load modules',function(){
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it('should call open()', function() {
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Context.init({contextStorage:contextDefaultStorage});
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return Context.load().then(function(){
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stubOpen.called.should.be.true();
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stubOpen2.called.should.be.true();
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});
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});
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it('should load memory module', function() {
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Context.init({contextStorage:{memory:{module:"memory"}}});
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return Context.load();
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});
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it('should load localfilesystem module', function() {
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Context.init({contextStorage:{file:{module:"localfilesystem",config:{dir:resourcesDir}}}});
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return Context.load();
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});
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it('should accept special storage name', function(done) {
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Context.init({
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contextStorage:{
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"#%&":{module:testPlugin},
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\u3042:{module:testPlugin},
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1:{module:testPlugin},
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}
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});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.set("sign","sign1","#%&",cb);
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context.set("file","file2","\u3042",cb);
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context.set("num","num3","1",cb);
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stubSet.calledWithExactly("1:flow","sign","sign1",cb).should.be.true();
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stubSet.calledWithExactly("1:flow","file","file2",cb).should.be.true();
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stubSet.calledWithExactly("1:flow","num","num3",cb).should.be.true();
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done();
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});
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});
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it('should ignore reserved storage name `_`', function(done) {
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Context.init({contextStorage:{_:{module:testPlugin}}});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.set("foo","bar","_",cb);
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context.get("foo","_",cb);
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context.keys("_",cb);
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stubSet.called.should.be.false();
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stubGet.called.should.be.false();
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stubKeys.called.should.be.false();
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done();
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});
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});
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it('should fail when using invalid default context', function(done) {
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Context.init({contextStorage:{default:"noexist"}});
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Context.load().then(function(){
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done("An error was not thrown");
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}).catch(function(){
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done();
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});
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});
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it('should fail for the storage with no module', function(done) {
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Context.init({ contextStorage: { test: {}}});
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Context.load().then(function(){
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done("An error was not thrown");
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}).catch(function(){
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done();
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});
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});
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it('should fail to load non-existent module', function(done) {
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Context.init({contextStorage:{ file:{module:"nonexistent"} }});
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Context.load().then(function(){
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done("An error was not thrown");
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}).catch(function(){
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done();
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});
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});
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});
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describe('close modules',function(){
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it('should call close()', function() {
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Context.init({contextStorage:contextDefaultStorage});
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return Context.load().then(function(){
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return Context.close().then(function(){
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stubClose.called.should.be.true();
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stubClose2.called.should.be.true();
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});
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});
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});
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});
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describe('store context',function() {
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it('should store local property to external context storage',function(done) {
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Context.init({contextStorage:contextStorage});
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var cb = function(){done("An error occurred")}
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Context.load().then(function(){
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var context = Context.get("1","flow");
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context.set("foo","bar","test",cb);
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context.get("foo","test",cb);
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context.keys("test",cb);
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stubSet.calledWithExactly("1:flow","foo","bar",cb).should.be.true();
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stubGet.calledWithExactly("1:flow","foo",cb).should.be.true();
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stubKeys.calledWithExactly("1:flow",cb).should.be.true();
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done();
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});
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});
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it('should store flow property to external context storage',function(done) {
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Context.init({contextStorage:contextStorage});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.flow.set("foo","bar","test",cb);
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context.flow.get("foo","test",cb);
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context.flow.keys("test",cb);
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stubSet.calledWithExactly("flow","foo","bar",cb).should.be.true();
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stubGet.calledWithExactly("flow","foo",cb).should.be.true();
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stubKeys.calledWithExactly("flow",cb).should.be.true();
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done();
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});
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});
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it('should store global property to external context storage',function(done) {
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Context.init({contextStorage:contextStorage});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.global.set("foo","bar","test",cb);
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context.global.get("foo","test",cb);
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context.global.keys("test",cb);
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stubSet.calledWithExactly("global","foo","bar",cb).should.be.true();
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stubGet.calledWithExactly("global","foo",cb).should.be.true();
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stubKeys.calledWithExactly("global",cb).should.be.true();
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done();
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});
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});
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it('should store data to the default context when non-existent context storage was specified', function(done) {
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Context.init({contextStorage:contextDefaultStorage});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.set("foo","bar","nonexist",cb);
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context.get("foo","nonexist",cb);
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context.keys("nonexist",cb);
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stubGet.called.should.be.false();
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stubSet.called.should.be.false();
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stubKeys.called.should.be.false();
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stubSet2.calledWithExactly("1:flow","foo","bar",cb).should.be.true();
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stubGet2.calledWithExactly("1:flow","foo",cb).should.be.true();
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stubKeys2.calledWithExactly("1:flow",cb).should.be.true();
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done();
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});
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});
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it('should use the default context', function(done) {
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Context.init({contextStorage:contextDefaultStorage});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.set("foo","bar","defaultt",cb);
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context.get("foo","default",cb);
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context.keys("default",cb);
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stubGet.called.should.be.false();
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stubSet.called.should.be.false();
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stubKeys.called.should.be.false();
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stubSet2.calledWithExactly("1:flow","foo","bar",cb).should.be.true();
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stubGet2.calledWithExactly("1:flow","foo",cb).should.be.true();
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stubKeys2.calledWithExactly("1:flow",cb).should.be.true();
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done();
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});
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});
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it('should use the alias of default context', function(done) {
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Context.init({contextStorage:contextDefaultStorage});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.set("foo","alias",cb);
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context.get("foo",cb);
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context.keys(cb);
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stubGet.called.should.be.false();
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stubSet.called.should.be.false();
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stubKeys.called.should.be.false();
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stubSet2.calledWithExactly("1:flow","foo","alias",cb).should.be.true();
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stubGet2.calledWithExactly("1:flow","foo",cb).should.be.true();
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stubKeys2.calledWithExactly("1:flow",cb).should.be.true();
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done();
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});
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});
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it('should use default as the alias of other context', function(done) {
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Context.init({contextStorage:contextAlias});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.set("foo","alias",cb);
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context.get("foo",cb);
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context.keys(cb);
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stubSet.calledWithExactly("1:flow","foo","alias",cb).should.be.true();
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stubGet.calledWithExactly("1:flow","foo",cb).should.be.true();
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stubKeys.calledWithExactly("1:flow",cb).should.be.true();
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done();
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});
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});
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it('should throw an error using undefined storage for local context', function(done) {
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Context.init({contextStorage:contextStorage});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.get("local","nonexist",cb);
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should.fail(null, null, "An error was not thrown using undefined storage for local context");
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}).catch(function(err) {
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if (err.name === "ContextError") {
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done();
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} else {
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done(err);
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}
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});
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});
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it('should throw an error using undefined storage for flow context', function(done) {
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Context.init({contextStorage:contextStorage});
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Context.load().then(function(){
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var context = Context.get("1","flow");
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var cb = function(){done("An error occurred")}
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context.flow.get("flow","nonexist",cb);
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should.fail(null, null, "An error was not thrown using undefined storage for flow context");
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}).catch(function(err) {
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if (err.name === "ContextError") {
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done();
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} else {
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done(err);
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}
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});
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});
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});
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describe('delete context',function(){
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it('should not call delete() when external context storage is used', function() {
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Context.init({contextStorage:contextDefaultStorage});
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return Context.load().then(function(){
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Context.get("flowA");
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return Context.delete("flowA").then(function(){
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stubDelete.called.should.be.false();
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stubDelete2.called.should.be.false();
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});
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});
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});
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});
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describe('clean context',function(){
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it('should call clean()', function() {
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Context.init({contextStorage:contextDefaultStorage});
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return Context.load().then(function(){
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return Context.clean({allNodes:{}}).then(function(){
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stubClean.calledWithExactly([]).should.be.true();
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stubClean2.calledWithExactly([]).should.be.true();
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});
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});
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});
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});
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});
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});
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