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node-red/test/red/runtime/nodes/context/memory_spec.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var should = require('should');
var Memory = require('../../../../../red/runtime/nodes/context/memory');
describe('memory',function() {
var context;
beforeEach(function() {
context = Memory({});
return context.open();
});
afterEach(function() {
return context.clean([]).then(function(){
return context.close();
});
});
describe('#get/set',function() {
describe('sync',function() {
it('should store property',function() {
should.not.exist(context.get("nodeX","foo"));
context.set("nodeX","foo","test");
context.get("nodeX","foo").should.equal("test");
});
it('should store property - creates parent properties',function() {
context.set("nodeX","foo.bar","test");
context.get("nodeX","foo").should.eql({bar:"test"});
});
it('should delete property',function() {
context.set("nodeX","foo.abc.bar1","test1");
context.set("nodeX","foo.abc.bar2","test2");
context.get("nodeX","foo.abc").should.eql({bar1:"test1",bar2:"test2"});
context.set("nodeX","foo.abc.bar1",undefined);
context.get("nodeX","foo.abc").should.eql({bar2:"test2"});
context.set("nodeX","foo.abc",undefined);
should.not.exist(context.get("nodeX","foo.abc"));
context.set("nodeX","foo",undefined);
should.not.exist(context.get("nodeX","foo"));
});
it('should not shared context with other scope', function() {
should.not.exist(context.get("nodeX","foo"));
should.not.exist(context.get("nodeY","foo"));
context.set("nodeX","foo","testX");
context.set("nodeY","foo","testY");
context.get("nodeX","foo").should.equal("testX");
context.get("nodeY","foo").should.equal("testY");
});
it('should thorw the error if the error occurs', function() {
try{
context.set("nodeX",".foo","test");
should.fail("Error was not thrown");
}catch(err){
should.exist(err);
try{
context.get("nodeX",".foo");
should.fail("Error was not thrown");
}catch(err){
should.exist(err);
}
}
});
});
describe('async',function() {
it('should store property',function(done) {
context.get("nodeX","foo",function(err, value){
should.not.exist(value);
context.set("nodeX","foo","test",function(err){
context.get("nodeX","foo",function(err, value){
value.should.equal("test");
done();
});
});
});
});
it('should pass the error to callback if the error occurs',function(done) {
context.set("nodeX",".foo","test",function(err, value){
should.exist(err);
context.get("nodeX",".foo",function(err){
should.exist(err);
done();
});
});
});
});
});
describe('#keys',function() {
describe('sync',function() {
it('should enumerate context keys', function() {
var keys = context.keys("nodeX");
keys.should.be.an.Array();
keys.should.be.empty();
context.set("nodeX","foo","bar");
keys = context.keys("nodeX");
keys.should.have.length(1);
keys[0].should.equal("foo");
context.set("nodeX","abc.def","bar");
keys = context.keys("nodeX");
keys.should.have.length(2);
keys[1].should.equal("abc");
});
it('should enumerate context keys in each scopes', function() {
var keysX = context.keys("nodeX");
keysX.should.be.an.Array();
keysX.should.be.empty();
var keysY = context.keys("nodeY");
keysY.should.be.an.Array();
keysY.should.be.empty();
context.set("nodeX","foo","bar");
context.set("nodeY","hoge","piyo");
keysX = context.keys("nodeX");
keysX.should.have.length(1);
keysX[0].should.equal("foo");
keysY = context.keys("nodeY");
keysY.should.have.length(1);
keysY[0].should.equal("hoge");
});
it('should enumerate global context keys', function () {
var keys = context.keys("global");
keys.should.be.an.Array();
keys.should.be.empty();
context.set("global", "foo", "bar");
keys = context.keys("global");
keys.should.have.length(1);
keys[0].should.equal("foo");
context.set("global", "abc.def", "bar");
keys = context.keys("global");
keys.should.have.length(2);
keys[1].should.equal("abc");
});
it('should not return specific keys as global context keys', function () {
var keys = context.keys("global");
context.set("global", "set", "bar");
context.set("global", "get", "bar");
context.set("global", "keys", "bar");
keys = context.keys("global");
keys.should.have.length(0);
});
});
describe('async',function() {
it('should enumerate context keys', function(done) {
context.keys("nodeX", function(err, keys) {
keys.should.be.an.Array();
keys.should.be.empty();
context.set("nodeX", "foo", "bar", function(err) {
context.keys("nodeX", function(err, keys) {
keys.should.have.length(1);
keys[0].should.equal("foo");
context.set("nodeX","abc.def","bar",function(err){
context.keys("nodeX",function(err, keys){
keys.should.have.length(2);
keys[1].should.equal("abc");
done();
});
});
});
});
});
});
});
});
describe('#delete',function() {
it('should delete context',function() {
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should.not.exist(context.get("nodeX","foo"));
should.not.exist(context.get("nodeY","foo"));
context.set("nodeX","foo","abc");
context.set("nodeY","foo","abc");
context.get("nodeX","foo").should.equal("abc");
context.get("nodeY","foo").should.equal("abc");
return context.delete("nodeX").then(function(){
should.not.exist(context.get("nodeX","foo"));
should.exist(context.get("nodeY","foo"));
});
});
});
describe('#clean',function() {
it('should clean unnecessary context',function() {
should.not.exist(context.get("nodeX","foo"));
should.not.exist(context.get("nodeY","foo"));
context.set("nodeX","foo","abc");
context.set("nodeY","foo","abc");
context.get("nodeX","foo").should.equal("abc");
context.get("nodeY","foo").should.equal("abc");
return context.clean([]).then(function(){
should.not.exist(context.get("nodeX","foo"));
should.not.exist(context.get("nodeY","foo"));
});
});
it('should not clean active context',function() {
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should.not.exist(context.get("nodeX","foo"));
should.not.exist(context.get("nodeY","foo"));
context.set("nodeX","foo","abc");
context.set("nodeY","foo","abc");
context.get("nodeX","foo").should.equal("abc");
context.get("nodeY","foo").should.equal("abc");
return context.clean(["nodeX"]).then(function(){
should.exist(context.get("nodeX","foo"));
should.not.exist(context.get("nodeY","foo"));
});
});
it('should not clean global context', function () {
context.set("global", "foo", "abc");
context.get("global", "foo").should.equal("abc");
return context.clean(["global"]).then(function () {
should.exist(context.get("global", "foo"));
});
});
});
});