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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
'use strict';
base.require('base.settings');
base.require('base.unittest');
base.require('tracing.test_utils');
base.unittest.testSuite('base.settings', function() {
function assertSettingIs(expectedValue, key) {
assertEquals(expectedValue, base.Settings.get('my_key'),
'Expected Settings.' + key + ' to be ' + expectedValue);
}
// Old settings versions used to stringify objects instead of putting them
// into JSON. This test makes sure that these old settings yield the default
// value instead of strings.
test('oldStyleSettingYieldsDefaultValue', function() {
var storage = base.Settings.getAlternativeStorageInstance();
storage.setItem(base.Settings.namespace_('key'), 'hello world');
assertEquals('value', base.Settings.get('key', 'value'));
});
test('setGetString', function() {
var settings = new base.Settings();
settings.set('my_key', 'my_val');
assertEquals('my_val', settings.get('my_key'));
// base.Settings() is a singleton
assertEquals('my_val', base.Settings().get('my_key'));
});
test('setGetNumber', function() {
var settings = new base.Settings();
settings.set('my_key', 5);
assertSettingIs(5, 'my_key');
});
test('setGetBool', function() {
var settings = new base.Settings();
settings.set('my_key', false);
assertSettingIs(false, 'my_key');
});
test('setGetObject', function() {
var settings = new base.Settings();
settings.set('my_key', {'hello': 5});
assertObjectEquals({'hello': 5}, settings.get('my_key'));
});
test('setInvalidObject', function() {
var settings = new base.Settings();
var obj = {'hello': undefined};
obj.hello = obj;
assertThrows(function() {
settings.set('my_key', obj);
});
});
test('setUndefined', function() {
var settings = new base.Settings();
assertThrows(function() {
settings.set('my_key', undefined);
});
});
test('getUnset', function() {
var settings = new base.Settings();
// Undefined should be returned if value isn't set.
assertSettingIs(undefined, 'my_key');
});
test('getDefault', function() {
var settings = new base.Settings();
// default_val should be returned if value isn't set.
assertEquals('default_val', settings.get('my_key', 'default_val'));
});
test('setGetPrefix', function() {
var settings = new base.Settings();
settings.set('key_a', 'foo', 'my_prefix');
assertEquals('foo', settings.get('key_a', undefined, 'my_prefix'));
assertEquals('foo', settings.get('key_a', 'bar', 'my_prefix'));
assertEquals(undefined, settings.get('key_a'));
assertEquals('bar', settings.get('key_a', 'bar'));
});
test('keys', function() {
var settings = new base.Settings();
settings.set('key_a', 'foo');
settings.set('key_b', 'bar');
settings.set('key_c', 'baz');
assertArrayEquals(['key_a', 'key_b', 'key_c'], settings.keys());
});
test('keysPrefix', function() {
var settings = new base.Settings();
settings.set('key_a', 'foo', 'prefix1');
settings.set('key_b', 'bar', 'prefix1');
settings.set('key_c', 'baz', 'prefix1');
settings.set('key_a', 'foo', 'prefix2');
settings.set('key_b', 'bar', 'prefix2');
settings.set('key_C', 'baz', 'prefix2');
assertArrayEquals(['key_a', 'key_b', 'key_c'], settings.keys('prefix1'));
assertArrayEquals(['key_C', 'key_a', 'key_b'], settings.keys('prefix2'));
assertArrayEquals(
['prefix1.key_a', 'prefix1.key_b', 'prefix1.key_c',
'prefix2.key_C', 'prefix2.key_a', 'prefix2.key_b'],
settings.keys());
});
});
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