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

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2015-12-29 23:16:51 +01:00
/**
* Copyright JS Foundation and other contributors, http://js.foundation
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*
* 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 sinon = require('sinon');
var path = require("path");
var Context = require("../../../../../red/runtime/nodes/context/index");
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describe('context', function() {
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describe('local memory',function() {
beforeEach(function() {
Context.init({});
Context.load();
});
afterEach(function() {
Context.clean({allNodes:{}});
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return Context.close();
});
it('stores local property',function() {
var context1 = Context.get("1","flowA");
should.not.exist(context1.get("foo"));
context1.set("foo","test");
context1.get("foo").should.equal("test");
});
it('stores local property - creates parent properties',function() {
var context1 = Context.get("1","flowA");
context1.set("foo.bar","test");
context1.get("foo").should.eql({bar:"test"});
});
it('deletes local property',function() {
var context1 = Context.get("1","flowA");
context1.set("foo.abc.bar1","test1");
context1.set("foo.abc.bar2","test2");
context1.get("foo.abc").should.eql({bar1:"test1",bar2:"test2"});
context1.set("foo.abc.bar1",undefined);
context1.get("foo.abc").should.eql({bar2:"test2"});
context1.set("foo.abc",undefined);
should.not.exist(context1.get("foo.abc"));
context1.set("foo",undefined);
should.not.exist(context1.get("foo"));
});
it('stores flow property',function() {
var context1 = Context.get("1","flowA");
should.not.exist(context1.flow.get("foo"));
context1.flow.set("foo","test");
context1.flow.get("foo").should.equal("test");
});
it('stores global property',function() {
var context1 = Context.get("1","flowA");
should.not.exist(context1.global.get("foo"));
context1.global.set("foo","test");
context1.global.get("foo").should.equal("test");
});
it('keeps local context local', function() {
var context1 = Context.get("1","flowA");
var context2 = Context.get("2","flowA");
should.not.exist(context1.get("foo"));
should.not.exist(context2.get("foo"));
context1.set("foo","test");
context1.get("foo").should.equal("test");
should.not.exist(context2.get("foo"));
});
it('flow context accessible to all flow nodes', function() {
var context1 = Context.get("1","flowA");
var context2 = Context.get("2","flowA");
should.not.exist(context1.flow.get("foo"));
should.not.exist(context2.flow.get("foo"));
context1.flow.set("foo","test");
context1.flow.get("foo").should.equal("test");
context2.flow.get("foo").should.equal("test");
});
it('flow context not shared to nodes on other flows', function() {
var context1 = Context.get("1","flowA");
var context2 = Context.get("2","flowB");
should.not.exist(context1.flow.get("foo"));
should.not.exist(context2.flow.get("foo"));
context1.flow.set("foo","test");
context1.flow.get("foo").should.equal("test");
should.not.exist(context2.flow.get("foo"));
});
it('global context shared to all nodes', function() {
var context1 = Context.get("1","flowA");
var context2 = Context.get("2","flowB");
should.not.exist(context1.global.get("foo"));
should.not.exist(context2.global.get("foo"));
context1.global.set("foo","test");
context1.global.get("foo").should.equal("test");
context2.global.get("foo").should.equal("test");
});
it('deletes context',function() {
var context = Context.get("1","flowA");
should.not.exist(context.get("foo"));
context.set("foo","abc");
context.get("foo").should.equal("abc");
return Context.delete("1","flowA").then(function(){
context = Context.get("1","flowA");
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should.not.exist(context.get("foo"));
});
});
it('enumerates context keys - sync', function() {
var context = Context.get("1","flowA");
var keys = context.keys();
keys.should.be.an.Array();
keys.should.be.empty();
context.set("foo","bar");
keys = context.keys();
keys.should.have.length(1);
keys[0].should.equal("foo");
context.set("abc.def","bar");
keys = context.keys();
keys.should.have.length(2);
keys[1].should.equal("abc");
});
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it('enumerates context keys - async', function(done) {
var context = Context.get("1","flowA");
var keys = context.keys(function(err,keys) {
keys.should.be.an.Array();
keys.should.be.empty();
context.set("foo","bar");
keys = context.keys(function(err,keys) {
keys.should.have.length(1);
keys[0].should.equal("foo");
context.set("abc.def","bar");
keys = context.keys(function(err,keys) {
keys.should.have.length(2);
keys[1].should.equal("abc");
done();
});
});
});
});
it('should enumerate only context keys when GlobalContext was given - sync', function() {
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Context.init({functionGlobalContext: {foo:"bar"}});
Context.load().then(function(){
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var context = Context.get("1","flowA");
context.global.set("foo2","bar2");
var keys = context.global.keys();
keys.should.have.length(2);
keys[0].should.equal("foo");
keys[1].should.equal("foo2");
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});
});
it('should enumerate only context keys when GlobalContext was given - async', function(done) {
Context.init({functionGlobalContext: {foo:"bar"}});
Context.load().then(function(){
var context = Context.get("1","flowA");
context.global.set("foo2","bar2");
context.global.keys(function(err,keys) {
keys.should.have.length(2);
keys[0].should.equal("foo");
keys[1].should.equal("foo2");
done();
});
}).catch(done);
});
it('returns functionGlobalContext value if store value undefined', function() {
Context.init({functionGlobalContext: {foo:"bar"}});
Context.load().then(function(){
var context = Context.get("1","flowA");
var v = context.global.get('foo');
v.should.equal('bar');
});
})
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});
describe('external context storage',function() {
var resourcesDir = path.resolve(path.join(__dirname,"..","resources","context"));
var sandbox = sinon.sandbox.create();
var stubGet = sandbox.stub();
var stubSet = sandbox.stub();
var stubKeys = sandbox.stub();
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var stubDelete = sandbox.stub().returns(Promise.resolve());
var stubClean = sandbox.stub().returns(Promise.resolve());
var stubOpen = sandbox.stub().returns(Promise.resolve());
var stubClose = sandbox.stub().returns(Promise.resolve());
var stubGet2 = sandbox.stub();
var stubSet2 = sandbox.stub();
var stubKeys2 = sandbox.stub();
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var stubDelete2 = sandbox.stub().returns(Promise.resolve());
var stubClean2 = sandbox.stub().returns(Promise.resolve());
var stubOpen2 = sandbox.stub().returns(Promise.resolve());
var stubClose2 = sandbox.stub().returns(Promise.resolve());
var testPlugin = function(config){
function Test(){}
Test.prototype.get = stubGet;
Test.prototype.set = stubSet;
Test.prototype.keys = stubKeys;
Test.prototype.delete = stubDelete;
Test.prototype.clean = stubClean;
Test.prototype.open = stubOpen;
Test.prototype.close = stubClose;
return new Test(config);
};
var testPlugin2 = function(config){
function Test2(){}
Test2.prototype.get = stubGet2;
Test2.prototype.set = stubSet2;
Test2.prototype.keys = stubKeys2;
Test2.prototype.delete = stubDelete2;
Test2.prototype.clean = stubClean2;
Test2.prototype.open = stubOpen2;
Test2.prototype.close = stubClose2;
return new Test2(config);
};
var contextStorage={
test:{
module: testPlugin,
config:{}
}
};
var contextDefaultStorage={
default: {
module: testPlugin2,
config:{}
},
test:{
module: testPlugin,
config:{}
}
};
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var contextAlias={
default: "test",
test:{
module: testPlugin,
config:{}
}
};
var memoryStorage ={
memory:{
module: "memory"
}
};
afterEach(function() {
sandbox.reset();
return Context.clean({allNodes:{}}).then(function(){
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return Context.close();
});
});
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describe('load modules',function(){
it('should call open()', function() {
Context.init({contextStorage:contextDefaultStorage});
Context.load().then(function(){
stubOpen.called.should.be.true();
stubOpen2.called.should.be.true();
});
});
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it('should load memory module', function() {
Context.init({contextStorage:{memory:{module:"memory"}}});
Context.load();
});
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it('should load localfilesystem module', function() {
Context.init({contextStorage:{file:{module:"localfilesystem",config:{dir:resourcesDir}}}});
Context.load();
});
it('should accept special storage name', function(done) {
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Context.init({
contextStorage:{
"#%&":{module:testPlugin},
\u3042:{module:testPlugin},
1:{module:testPlugin},
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}
});
Context.load().then(function(){
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var context = Context.get("1","flow");
var cb = function(){done("An error occurred")}
context.set("sign","sign1","#%&",cb);
context.set("file","file2","\u3042",cb);
context.set("num","num3","1",cb);
stubSet.calledWithExactly("1:flow","sign","sign1",cb).should.be.true();
stubSet.calledWithExactly("1:flow","file","file2",cb).should.be.true();
stubSet.calledWithExactly("1:flow","num","num3",cb).should.be.true();
done();
}).catch(done);
});
it('should ignore reserved storage name `_`', function(done) {
Context.init({contextStorage:{_:{module:testPlugin}}});
Context.load().then(function(){
var context = Context.get("1","flow");
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var cb = function(){}
context.set("foo","bar","_",cb);
context.get("foo","_",cb);
context.keys("_",cb);
stubSet.called.should.be.false();
stubGet.called.should.be.false();
stubKeys.called.should.be.false();
done();
}).catch(done);
});
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it('should fail when using invalid default context', function(done) {
Context.init({contextStorage:{default:"noexist"}});
Context.load().then(function(){
done("An error was not thrown");
}).catch(function(){
done();
});
});
it('should fail for the storage with no module', function(done) {
Context.init({ contextStorage: { test: {}}});
Context.load().then(function(){
done("An error was not thrown");
}).catch(function(){
done();
});
});
it('should fail to load non-existent module', function(done) {
Context.init({contextStorage:{ file:{module:"nonexistent"} }});
Context.load().then(function(){
done("An error was not thrown");
}).catch(function(){
done();
});
});
});
describe('close modules',function(){
it('should call close()', function(done) {
Context.init({contextStorage:contextDefaultStorage});
Context.load().then(function(){
return Context.close().then(function(){
stubClose.called.should.be.true();
stubClose2.called.should.be.true();
done();
});
}).catch(done);
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});
});
describe('store context',function() {
it('should store local property to external context storage',function(done) {
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Context.init({contextStorage:contextStorage});
var cb = function(){done("An error occurred")}
Context.load().then(function(){
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var context = Context.get("1","flow");
context.set("foo","bar","test",cb);
context.get("foo","test",cb);
context.keys("test",cb);
stubSet.calledWithExactly("1:flow","foo","bar",cb).should.be.true();
stubGet.calledWithExactly("1:flow","foo",cb).should.be.true();
stubKeys.calledWithExactly("1:flow",cb).should.be.true();
done();
}).catch(done);
});
it('should store flow property to external context storage',function(done) {
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Context.init({contextStorage:contextStorage});
Context.load().then(function(){
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var context = Context.get("1","flow");
var cb = function(){done("An error occurred")}
context.flow.set("foo","bar","test",cb);
context.flow.get("foo","test",cb);
context.flow.keys("test",cb);
stubSet.calledWithExactly("flow","foo","bar",cb).should.be.true();
stubGet.calledWithExactly("flow","foo",cb).should.be.true();
stubKeys.calledWithExactly("flow",cb).should.be.true();
done();
}).catch(done);
});
it('should store global property to external context storage',function(done) {
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Context.init({contextStorage:contextStorage});
Context.load().then(function(){
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var context = Context.get("1","flow");
var cb = function(){done("An error occurred")}
context.global.set("foo","bar","test",cb);
context.global.get("foo","test",cb);
context.global.keys("test",cb);
stubSet.calledWithExactly("global","foo","bar",cb).should.be.true();
stubGet.calledWith("global","foo").should.be.true();
stubKeys.calledWith("global").should.be.true();
done();
}).catch(done);
});
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});
Context.load().then(function(){
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var context = Context.get("1","flow");
var cb = function(){done("An error occurred")}
context.set("foo","bar","nonexist",cb);
context.get("foo","nonexist",cb);
context.keys("nonexist",cb);
stubGet.called.should.be.false();
stubSet.called.should.be.false();
stubKeys.called.should.be.false();
stubSet2.calledWithExactly("1:flow","foo","bar",cb).should.be.true();
stubGet2.calledWithExactly("1:flow","foo",cb).should.be.true();
stubKeys2.calledWithExactly("1:flow",cb).should.be.true();
done();
}).catch(done);
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});
it('should use the default context', function(done) {
Context.init({contextStorage:contextDefaultStorage});
Context.load().then(function(){
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var context = Context.get("1","flow");
var cb = function(){done("An error occurred")}
context.set("foo","bar","defaultt",cb);
context.get("foo","default",cb);
context.keys("default",cb);
stubGet.called.should.be.false();
stubSet.called.should.be.false();
stubKeys.called.should.be.false();
stubSet2.calledWithExactly("1:flow","foo","bar",cb).should.be.true();
stubGet2.calledWithExactly("1:flow","foo",cb).should.be.true();
stubKeys2.calledWithExactly("1:flow",cb).should.be.true();
done();
}).catch(done);
});
it('should use the alias of default context', function(done) {
Context.init({contextStorage:contextDefaultStorage});
Context.load().then(function(){
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var context = Context.get("1","flow");
var cb = function(){done("An error occurred")}
context.set("foo","alias",cb);
context.get("foo",cb);
context.keys(cb);
stubGet.called.should.be.false();
stubSet.called.should.be.false();
stubKeys.called.should.be.false();
stubSet2.calledWithExactly("1:flow","foo","alias",cb).should.be.true();
stubGet2.calledWithExactly("1:flow","foo",cb).should.be.true();
stubKeys2.calledWithExactly("1:flow",cb).should.be.true();
done();
}).catch(done);
});
it('should use default as the alias of other context', function(done) {
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Context.init({contextStorage:contextAlias});
Context.load().then(function(){
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var context = Context.get("1","flow");
var cb = function(){done("An error occurred")}
context.set("foo","alias",cb);
context.get("foo",cb);
context.keys(cb);
stubSet.calledWithExactly("1:flow","foo","alias",cb).should.be.true();
stubGet.calledWithExactly("1:flow","foo",cb).should.be.true();
stubKeys.calledWithExactly("1:flow",cb).should.be.true();
done();
}).catch(done);
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});
it('should not throw an error using undefined storage for local context', function(done) {
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Context.init({contextStorage:contextStorage});
Context.load().then(function(){
var context = Context.get("1","flow");
var cb = function(){done("An error occurred")}
context.get("local","nonexist",cb);
done()
}).catch(done);
});
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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});
Context.load().then(function(){
var context = Context.get("1","flow");
var cb = function(){done("An error occurred")}
context.flow.get("flow","nonexist",cb);
done();
}).catch(done);
});
it('should return functionGlobalContext value as a default - synchronous', function(done) {
var fGC = { "foo": 456 };
Context.init({contextStorage:memoryStorage, functionGlobalContext:fGC });
Context.load().then(function() {
var context = Context.get("1","flow");
// Get foo - should be value from fGC
var v = context.global.get("foo");
v.should.equal(456);
// Update foo - should not touch fGC object
context.global.set("foo","new value");
fGC.foo.should.equal(456);
// Get foo - should be the updated value
v = context.global.get("foo");
v.should.equal("new value");
done();
}).catch(done);
})
it('should return functionGlobalContext value as a default - async', function(done) {
var fGC = { "foo": 456 };
Context.init({contextStorage:memoryStorage, functionGlobalContext:fGC });
Context.load().then(function() {
var context = Context.get("1","flow");
// Get foo - should be value from fGC
context.global.get("foo", function(err, v) {
if (err) {
done(err)
} else {
v.should.equal(456);
// Update foo - should not touch fGC object
context.global.set("foo","new value", function(err) {
if (err) {
done(err)
} else {
fGC.foo.should.equal(456);
// Get foo - should be the updated value
context.global.get("foo", function(err, v) {
if (err) {
done(err)
} else {
v.should.equal("new value");
done();
}
});
}
});
}
});
}).catch(done);
})
it('should return multiple values if key is an array', function(done) {
Context.init({contextStorage:memoryStorage});
Context.load().then(function(){
var context = Context.get("1","flow");
context.set("foo1","bar1","memory");
context.set("foo2","bar2","memory");
context.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err) {
done(err);
} else {
foo1.should.be.equal("bar1");
foo2.should.be.equal("bar2");
should.not.exist(foo3);
done();
}
});
}).catch(function(err){ done(err); });
});
it('should return multiple functionGlobalContext values if key is an array', function(done) {
var fGC = { "foo1": 456, "foo2": 789 };
Context.init({contextStorage:memoryStorage, functionGlobalContext:fGC });
Context.load().then(function(){
var context = Context.get("1","flow");
context.global.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err) {
done(err);
} else {
foo1.should.be.equal(456);
foo2.should.be.equal(789);
should.not.exist(foo3);
done();
}
});
}).catch(function(err){ done(err); });
});
it('should return an error if an error occurs in getting multiple store values', function(done) {
Context.init({contextStorage:contextStorage});
stubGet.onFirstCall().callsArgWith(2, null, "bar1");
stubGet.onSecondCall().callsArgWith(2, "error2");
stubGet.onThirdCall().callsArgWith(2, null, "bar3");
Context.load().then(function(){
var context = Context.get("1","flow");
context.global.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err === "error2") {
done();
} else {
done("An error occurred");
}
});
}).catch(function(err){ done(err); });
});
it('should return a first error if some errors occur in getting multiple store values', function(done) {
Context.init({contextStorage:contextStorage});
stubGet.onFirstCall().callsArgWith(2, "error1");
stubGet.onSecondCall().callsArgWith(2, null, "bar2");
stubGet.onThirdCall().callsArgWith(2, "error3");
Context.load().then(function(){
var context = Context.get("1","flow");
context.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err === "error1") {
done();
} else {
done("An error occurred");
}
});
}).catch(function(err){ done(err); });
});
it('should store multiple properties if key and value are arrays', function(done) {
Context.init({contextStorage:memoryStorage});
Context.load().then(function(){
var context = Context.get("1","flow");
context.set(["foo1","foo2","foo3"], ["bar1","bar2","bar3"], "memory", function(err){
if (err) {
done(err);
} else {
context.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err) {
done(err);
} else {
foo1.should.be.equal("bar1");
foo2.should.be.equal("bar2");
foo3.should.be.equal("bar3");
done();
}
});
}
});
});
});
it('should deletes multiple properties', function(done) {
Context.init({contextStorage:memoryStorage});
Context.load().then(function(){
var context = Context.get("1","flow");
context.set(["foo1","foo2","foo3"], ["bar1","bar2","bar3"], "memory", function(err){
if (err) {
done(err);
} else {
context.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err) {
done(err);
} else {
foo1.should.be.equal("bar1");
foo2.should.be.equal("bar2");
foo3.should.be.equal("bar3");
context.set(["foo1","foo2","foo3"], new Array(3), "memory", function(err){
if (err) {
done(err);
} else {
context.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err) {
done(err);
} else {
should.not.exist(foo1);
should.not.exist(foo2);
should.not.exist(foo3);
done();
}
});
}
});
}
});
}
});
});
});
it('should use null for missing values if the value array is shorter than the key array', function(done) {
Context.init({contextStorage:memoryStorage});
Context.load().then(function(){
var context = Context.get("1","flow");
context.set(["foo1","foo2","foo3"], ["bar1","bar2"], "memory", function(err){
if (err) {
done(err);
} else {
context.keys(function(err, keys){
keys.should.have.length(3);
keys.should.eql(["foo1","foo2","foo3"]);
context.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err) {
done(err);
} else {
foo1.should.be.equal("bar1");
foo2.should.be.equal("bar2");
should(foo3).be.null();
done();
}
});
});
}
});
});
});
it('should use null for missing values if the value is not array', function(done) {
Context.init({contextStorage:memoryStorage});
Context.load().then(function(){
var context = Context.get("1","flow");
context.set(["foo1","foo2","foo3"], "bar1", "memory", function(err){
if (err) {
done(err);
} else {
context.keys(function(err, keys){
keys.should.have.length(3);
keys.should.eql(["foo1","foo2","foo3"]);
context.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err) {
done(err);
} else {
foo1.should.be.equal("bar1");
should(foo2).be.null();
should(foo3).be.null();
done();
}
});
});
}
});
});
});
it('should ignore the extra values if the value array is longer than the key array', function(done) {
Context.init({contextStorage:memoryStorage});
Context.load().then(function(){
var context = Context.get("1","flow");
context.set(["foo1","foo2","foo3"], ["bar1","bar2","bar3","ignored"], "memory", function(err){
if (err) {
done(err);
} else {
context.keys(function(err, keys){
keys.should.have.length(3);
keys.should.eql(["foo1","foo2","foo3"]);
context.get(["foo1","foo2","foo3"], "memory", function(err,foo1,foo2,foo3){
if (err) {
done(err);
} else {
foo1.should.be.equal("bar1");
foo2.should.be.equal("bar2");
foo3.should.be.equal("bar3");
done();
}
});
});
}
});
});
});
it('should return an error if an error occurs in storing multiple values', function(done) {
Context.init({contextStorage:contextStorage});
stubSet.onFirstCall().callsArgWith(3, null);
stubSet.onSecondCall().callsArgWith(3, "error2");
stubSet.onThirdCall().callsArgWith(3, null);
Context.load().then(function(){
var context = Context.get("1","flow");
context.set(["foo1","foo2","foo3"], ["bar1","bar2","bar3"], "memory", function(err){
if (err === "error2") {
done();
} else {
done("An error occurred");
}
});
}).catch(function(err){ done(err); });
});
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});
describe('delete context',function(){
it('should not call delete() when external context storage is used', function(done) {
Context.init({contextStorage:contextDefaultStorage});
Context.load().then(function(){
Context.get("flowA");
return Context.delete("flowA").then(function(){
stubDelete.called.should.be.false();
stubDelete2.called.should.be.false();
done();
});
}).catch(done);
});
});
describe('clean context',function(){
it('should call clean()', function(done) {
Context.init({contextStorage:contextDefaultStorage});
Context.load().then(function(){
return Context.clean({allNodes:{}}).then(function(){
stubClean.calledWithExactly([]).should.be.true();
stubClean2.calledWithExactly([]).should.be.true();
done();
});
}).catch(done);
});
});
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});
});