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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 when = require("when");
var settings = require("../../red/settings");
describe("red/settings", function() {
afterEach(function() {
settings.reset();
});
it('wraps the user settings as read-only properties', function() {
var userSettings = {
a: 123,
b: "test",
c: [1,2,3]
}
settings.init(userSettings);
settings.available().should.be.false;
settings.a.should.equal(123);
settings.b.should.equal("test");
settings.c.should.be.an.Array.with.lengthOf(3);
settings.get("a").should.equal(123);
settings.get("b").should.equal("test");
settings.get("c").should.be.an.Array.with.lengthOf(3);
/*jshint immed: false */
(function() {
settings.a = 456;
}).should.throw();
settings.c.push(5);
settings.c.should.be.an.Array.with.lengthOf(4);
/*jshint immed: false */
(function() {
settings.set("a",456);
}).should.throw();
/*jshint immed: false */
(function() {
settings.set("a",456);
}).should.throw();
/*jshint immed: false */
(function() {
settings.get("unknown");
}).should.throw();
/*jshint immed: false */
(function() {
settings.set("unknown",456);
}).should.throw();
});
it('loads global settings from storage', function(done) {
var userSettings = {
a: 123,
b: "test",
c: [1,2,3]
}
var savedSettings = null;
var storage = {
getSettings: function() {
return when.resolve({globalA:789});
},
saveSettings: function(settings) {
savedSettings = settings;
return when.resolve();
}
}
settings.init(userSettings);
settings.available().should.be.false;
/*jshint immed: false */
(function() {
settings.get("unknown");
}).should.throw();
settings.load(storage).then(function() {
settings.available().should.be.true;
settings.get("globalA").should.equal(789);
settings.set("globalA","abc").then(function() {
savedSettings.globalA.should.equal("abc");
done();
});
}).otherwise(function(err) {
done(err);
});
});
});
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