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/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*-
* vim: sw=4 ts=4 sts=4 et
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* This file tests the methods on XPCOMUtils.jsm.
* Also on ComponentUtils.jsm. Which is deprecated.
*/
const {ComponentUtils} = ChromeUtils.import("resource://gre/modules/ComponentUtils.jsm");
const {Preferences} = ChromeUtils.import("resource://gre/modules/Preferences.jsm");
const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
const {XPCOMUtils} = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
////////////////////////////////////////////////////////////////////////////////
//// Tests
add_test(function test_generateQI_string_names()
{
var x = {
QueryInterface: ChromeUtils.generateQI([
"nsIClassInfo",
"nsIObserver"
])
};
try {
x.QueryInterface(Ci.nsIClassInfo);
} catch(e) {
do_throw("Should QI to nsIClassInfo");
}
try {
x.QueryInterface(Ci.nsIObserver);
} catch(e) {
do_throw("Should QI to nsIObserver");
}
try {
x.QueryInterface(Ci.nsIObserverService);
do_throw("QI should not have succeeded!");
} catch(e) {}
run_next_test();
});
add_test(function test_defineLazyGetter()
{
let accessCount = 0;
let obj = {
inScope: false
};
const TEST_VALUE = "test value";
XPCOMUtils.defineLazyGetter(obj, "foo", function() {
accessCount++;
this.inScope = true;
return TEST_VALUE;
});
Assert.equal(accessCount, 0);
// Get the property, making sure the access count has increased.
Assert.equal(obj.foo, TEST_VALUE);
Assert.equal(accessCount, 1);
Assert.ok(obj.inScope);
// Get the property once more, making sure the access count has not
// increased.
Assert.equal(obj.foo, TEST_VALUE);
Assert.equal(accessCount, 1);
run_next_test();
});
add_test(function test_defineLazyServiceGetter()
{
let obj = { };
XPCOMUtils.defineLazyServiceGetter(obj, "service",
"@mozilla.org/consoleservice;1",
"nsIConsoleService");
let service = Cc["@mozilla.org/consoleservice;1"].
getService(Ci.nsIConsoleService);
// Check that the lazy service getter and the actual service have the same
// properties.
for (let prop in obj.service)
Assert.ok(prop in service);
for (let prop in service)
Assert.ok(prop in obj.service);
run_next_test();
});
add_test(function test_defineLazyPreferenceGetter()
{
const PREF = "xpcomutils.test.pref";
let obj = {};
XPCOMUtils.defineLazyPreferenceGetter(obj, "pref", PREF, "defaultValue");
equal(obj.pref, "defaultValue", "Should return the default value before pref is set");
Preferences.set(PREF, "currentValue");
info("Create second getter on new object");
obj = {};
XPCOMUtils.defineLazyPreferenceGetter(obj, "pref", PREF, "defaultValue");
equal(obj.pref, "currentValue", "Should return the current value on initial read when pref is already set");
Preferences.set(PREF, "newValue");
equal(obj.pref, "newValue", "Should return new value after preference change");
Preferences.set(PREF, "currentValue");
equal(obj.pref, "currentValue", "Should return new value after second preference change");
Preferences.reset(PREF);
equal(obj.pref, "defaultValue", "Should return default value after pref is reset");
obj = {};
XPCOMUtils.defineLazyPreferenceGetter(obj, "pref", PREF, "a,b",
null, value => value.split(","));
deepEqual(obj.pref, ["a", "b"], "transform is applied to default value");
Preferences.set(PREF, "x,y,z");
deepEqual(obj.pref, ["x", "y", "z"], "transform is applied to updated value");
Preferences.reset(PREF);
deepEqual(obj.pref, ["a", "b"], "transform is applied to reset default");
run_next_test();
});
add_test(function test_categoryRegistration()
{
const CATEGORY_NAME = "test-cat";
const XULAPPINFO_CONTRACTID = "@mozilla.org/xre/app-info;1";
const XULAPPINFO_CID = Components.ID("{fc937916-656b-4fb3-a395-8c63569e27a8}");
// Create a fake app entry for our category registration apps filter.
let tmp = {};
ChromeUtils.import("resource://testing-common/AppInfo.jsm", tmp);
let XULAppInfo = tmp.newAppInfo({
name: "catRegTest",
ID: "{adb42a9a-0d19-4849-bf4d-627614ca19be}",
version: "1",
platformVersion: "",
});
let XULAppInfoFactory = {
createInstance: function (outer, iid) {
if (outer != null)
throw Cr.NS_ERROR_NO_AGGREGATION;
return XULAppInfo.QueryInterface(iid);
}
};
let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
registrar.registerFactory(
XULAPPINFO_CID,
"XULAppInfo",
XULAPPINFO_CONTRACTID,
XULAppInfoFactory
);
// Load test components.
do_load_manifest("CatRegistrationComponents.manifest");
const EXPECTED_ENTRIES = new Map([
["CatRegisteredComponent", "@unit.test.com/cat-registered-component;1"],
["CatAppRegisteredComponent", "@unit.test.com/cat-app-registered-component;1"],
]);
// Verify the correct entries are registered in the "test-cat" category.
for (let {entry, value} of Services.catMan.enumerateCategory(CATEGORY_NAME)) {
print("Verify that the name/value pair exists in the expected entries.");
ok(EXPECTED_ENTRIES.has(entry));
Assert.equal(EXPECTED_ENTRIES.get(entry), value);
EXPECTED_ENTRIES.delete(entry);
}
print("Check that all of the expected entries have been deleted.");
Assert.equal(EXPECTED_ENTRIES.size, 0);
run_next_test();
});
add_test(function test_generateSingletonFactory()
{
const XPCCOMPONENT_CONTRACTID = "@mozilla.org/singletonComponentTest;1";
const XPCCOMPONENT_CID = Components.ID("{31031c36-5e29-4dd9-9045-333a5d719a3e}");
function XPCComponent() {}
XPCComponent.prototype = {
classID: XPCCOMPONENT_CID,
_xpcom_factory: ComponentUtils.generateSingletonFactory(XPCComponent),
QueryInterface: ChromeUtils.generateQI([])
};
let NSGetFactory = ComponentUtils.generateNSGetFactory([XPCComponent]);
let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
registrar.registerFactory(
XPCCOMPONENT_CID,
"XPCComponent",
XPCCOMPONENT_CONTRACTID,
NSGetFactory(XPCCOMPONENT_CID)
);
// First, try to instance the component.
let instance = Cc[XPCCOMPONENT_CONTRACTID].createInstance(Ci.nsISupports);
// Try again, check that it returns the same instance as before.
Assert.equal(instance,
Cc[XPCCOMPONENT_CONTRACTID].createInstance(Ci.nsISupports));
// Now, for sanity, check that getService is also returning the same instance.
Assert.equal(instance,
Cc[XPCCOMPONENT_CONTRACTID].getService(Ci.nsISupports));
run_next_test();
});
////////////////////////////////////////////////////////////////////////////////
//// Test Runner
function run_test()
{
run_next_test();
}
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