"use strict";
|
/**
|
* @license
|
* Copyright 2017 Google Inc. All Rights Reserved.
|
* 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.
|
* =============================================================================
|
*/
|
Object.defineProperty(exports, "__esModule", { value: true });
|
var environment = require("./environment");
|
var environment_1 = require("./environment");
|
describe('initializes flags from the url', function () {
|
// Silence console.warns for these tests.
|
beforeAll(function () { return spyOn(console, 'warn').and.returnValue(null); });
|
it('no overrides one registered flag', function () {
|
spyOn(environment, 'getQueryParams').and.returnValue({});
|
var global = { location: { search: '' } };
|
var env = new environment_1.Environment(global);
|
env.registerFlag('FLAG1', function () { return false; });
|
expect(env.get('FLAG1')).toBe(false);
|
});
|
it('one unregistered flag', function () {
|
spyOn(environment, 'getQueryParams').and.returnValue({
|
'tfjsflags': 'FLAG1:true'
|
});
|
var global = { location: { search: '' } };
|
var env = new environment_1.Environment(global);
|
expect(env.features).toEqual({});
|
});
|
it('one registered flag true', function () {
|
var global = { location: { search: '?tfjsflags=FLAG1:true' } };
|
var env = new environment_1.Environment(global);
|
env.registerFlag('FLAG1', function () { return false; });
|
expect(env.get('FLAG1')).toBe(true);
|
});
|
it('one registered flag false', function () {
|
var global = { location: { search: '?tfjsflags=FLAG1:false' } };
|
var env = new environment_1.Environment(global);
|
env.registerFlag('FLAG1', function () { return true; });
|
expect(env.get('FLAG1')).toBe(false);
|
});
|
it('two registered flags', function () {
|
var global = { location: { search: '?tfjsflags=FLAG1:true,FLAG2:200' } };
|
var env = new environment_1.Environment(global);
|
env.registerFlag('FLAG1', function () { return false; });
|
env.registerFlag('FLAG2', function () { return 100; });
|
expect(env.get('FLAG1')).toBe(true);
|
expect(env.get('FLAG2')).toBe(200);
|
});
|
});
|
describe('flag registration and evaluation', function () {
|
it('one flag registered', function () {
|
var env = new environment_1.Environment({});
|
var evalObject = { eval: function () { return true; } };
|
var spy = spyOn(evalObject, 'eval').and.callThrough();
|
env.registerFlag('FLAG1', function () { return evalObject.eval(); });
|
expect(env.get('FLAG1')).toBe(true);
|
expect(spy.calls.count()).toBe(1);
|
// Multiple calls to get do not call the evaluation function again.
|
expect(env.get('FLAG1')).toBe(true);
|
expect(spy.calls.count()).toBe(1);
|
});
|
it('multiple flags registered', function () {
|
var env = new environment_1.Environment({});
|
var evalObject = { eval1: function () { return true; }, eval2: function () { return 100; } };
|
var spy1 = spyOn(evalObject, 'eval1').and.callThrough();
|
var spy2 = spyOn(evalObject, 'eval2').and.callThrough();
|
env.registerFlag('FLAG1', function () { return evalObject.eval1(); });
|
env.registerFlag('FLAG2', function () { return evalObject.eval2(); });
|
expect(env.get('FLAG1')).toBe(true);
|
expect(spy1.calls.count()).toBe(1);
|
expect(spy2.calls.count()).toBe(0);
|
expect(env.get('FLAG2')).toBe(100);
|
expect(spy1.calls.count()).toBe(1);
|
expect(spy2.calls.count()).toBe(1);
|
// Multiple calls to get do not call the evaluation function again.
|
expect(env.get('FLAG1')).toBe(true);
|
expect(env.get('FLAG2')).toBe(100);
|
expect(spy1.calls.count()).toBe(1);
|
expect(spy2.calls.count()).toBe(1);
|
});
|
it('setting overrides value', function () {
|
var env = new environment_1.Environment({});
|
var evalObject = { eval: function () { return true; } };
|
var spy = spyOn(evalObject, 'eval').and.callThrough();
|
env.registerFlag('FLAG1', function () { return evalObject.eval(); });
|
expect(env.get('FLAG1')).toBe(true);
|
expect(spy.calls.count()).toBe(1);
|
env.set('FLAG1', false);
|
expect(env.get('FLAG1')).toBe(false);
|
expect(spy.calls.count()).toBe(1);
|
});
|
it('set hook is called', function () {
|
var env = new environment_1.Environment({});
|
var evalObject = { eval: function () { return true; }, setHook: function () { return true; } };
|
var evalSpy = spyOn(evalObject, 'eval').and.callThrough();
|
var setHookSpy = spyOn(evalObject, 'setHook').and.callThrough();
|
env.registerFlag('FLAG1', function () { return evalObject.eval(); }, function () { return evalObject.setHook(); });
|
expect(env.get('FLAG1')).toBe(true);
|
expect(evalSpy.calls.count()).toBe(1);
|
expect(setHookSpy.calls.count()).toBe(0);
|
env.set('FLAG1', false);
|
expect(env.get('FLAG1')).toBe(false);
|
expect(evalSpy.calls.count()).toBe(1);
|
expect(setHookSpy.calls.count()).toBe(1);
|
});
|
});
|
describe('environment.getQueryParams', function () {
|
it('basic', function () {
|
expect(environment.getQueryParams('?a=1&b=hi&f=animal'))
|
.toEqual({ 'a': '1', 'b': 'hi', 'f': 'animal' });
|
});
|
});
|
//# sourceMappingURL=environment_test.js.map
|
