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/**
* Copyright 2014 IBM Corp.
*
* 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 when = require("when");
var flows = require("../../../red/nodes/flows");
var RedNode = require("../../../red/nodes/Node");
var RED = require("../../../red/nodes");
var events = require("../../../red/events");
var typeRegistry = require("../../../red/nodes/registry");
var settings = {
available: function() { return false; }
}
function loadFlows(testFlows, cb) {
var storage = {
getFlows: function() {
return when.resolve(testFlows);
},
getCredentials: function() {
return when.resolve({});
}
};
RED.init(settings, storage);
flows.load().then(function() {
should.deepEqual(testFlows, flows.getFlows());
cb();
});
}
describe('flows', function() {
describe('#add',function() {
it('should be called by node constructor',function(done) {
var n = new RedNode({id:'123',type:'abc'});
should.deepEqual(n, flows.get("123"));
flows.clear().then(function() {
done();
});
});
});
describe('#each',function() {
it('should "visit" all nodes',function(done) {
var nodes = [
new RedNode({id:'n0'}),
new RedNode({id:'n1'})
];
var count = 0;
flows.each(function(node) {
should.deepEqual(nodes[count], node);
count += 1;
if (count == 2) {
done();
}
});
});
});
describe('#load',function() {
it('should load nothing when storage is empty',function(done) {
loadFlows([], done);
});
it('should load and start an empty tab flow',function(done) {
loadFlows([{"type":"tab","id":"tab1","label":"Sheet 1"}], function() {});
events.once('nodes-started', function() { done(); });
});
it('should load and start a registered node type', function(done) {
RED.registerType('debug', function() {});
var typeRegistryGet = sinon.stub(typeRegistry,"get",function(nt) {
return function() {};
});
loadFlows([{"id":"n1","type":"debug"}], function() { });
events.once('nodes-started', function() {
typeRegistryGet.restore();
done();
});
});
it('should load and start when node type is registered', function(done) {
var typeRegistryGet = sinon.stub(typeRegistry,"get");
typeRegistryGet.onCall(0).returns(null);
typeRegistryGet.returns(function(){});
loadFlows([{"id":"n2","type":"inject"}], function() {
events.emit('type-registered','inject');
});
events.once('nodes-started', function() {
typeRegistryGet.restore();
done();
});
});
});
describe('#setFlows',function() {
it('should save and start an empty tab flow',function(done) {
var saved = 0;
var testFlows = [{"type":"tab","id":"tab1","label":"Sheet 1"}];
var storage = {
saveFlows: function(conf) {
var defer = when.defer();
defer.resolve();
should.deepEqual(testFlows, conf);
return defer.promise;
},
saveCredentials: function (creds) {
return when(true);
}
};
RED.init(settings, storage);
flows.setFlows(testFlows);
events.once('nodes-started', function() { done(); });
});
});
});
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