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node-red/test/red/runtime/nodes/library_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 EventEmitter = require('events').EventEmitter;
var events = new EventEmitter();
var should = require("should");
var fs = require("fs");
var path = require("path");
var library = require("../../../../red/runtime/nodes/library")
describe("library api", function() {
it('returns null list when no modules have been registered', function() {
library.init({events:events});
should.not.exist(library.getExampleFlows());
});
it('returns null path when module is not known', function() {
library.init({events:events});
should.not.exist(library.getExampleFlowPath('foo','bar'));
});
it('returns a valid example path', function(done) {
library.init({events:events});
events.emit('node-examples-dir',{
name: "test-module",
path: path.resolve(__dirname+'/../../../resources/examples')
});
setTimeout(function() {
try {
var flows = library.getExampleFlows();
flows.should.deepEqual({"d":{"test-module":{"f":["one"]}}});
var examplePath = library.getExampleFlowPath('test-module','one');
examplePath.should.eql(path.resolve(__dirname+'/../../../resources/examples/one.json'))
events.emit('node-module-uninstalled', 'test-module');
setTimeout(function() {
try {
should.not.exist(library.getExampleFlows());
should.not.exist(library.getExampleFlowPath('test-module','one'));
done();
} catch(err) {
done(err);
}
},20);
}catch(err) {
done(err);
}
},20);
})
});