зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
4.1 KiB
JavaScript
119 строки
4.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Tests that DistributionCustomizer correctly caches the existence
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* of the distribution.ini file and just rechecks it after a version
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* update.
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*/
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const PREF_CACHED_FILE_EXISTENCE = "distribution.iniFile.exists.value";
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const PREF_CACHED_FILE_APPVERSION = "distribution.iniFile.exists.appversion";
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const PREF_LOAD_FROM_PROFILE = "distribution.testing.loadFromProfile";
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const gTestDir = do_get_cwd();
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ChromeUtils.import("resource://gre/modules/AppConstants.jsm");
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add_task(async function() {
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// Start with a clean slate of the prefs that control this feature.
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Services.prefs.clearUserPref(PREF_CACHED_FILE_APPVERSION);
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Services.prefs.clearUserPref(PREF_CACHED_FILE_EXISTENCE);
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setupTest();
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let {DistributionCustomizer} = ChromeUtils.import("resource:///modules/distribution.js", {});
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let distribution = new DistributionCustomizer();
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copyDistributionToProfile();
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// Check that checking for distribution.ini returns the right value and sets up
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// the cached prefs.
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let exists = distribution._hasDistributionIni;
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Assert.ok(exists);
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Assert.equal(Services.prefs.getBoolPref(PREF_CACHED_FILE_EXISTENCE, undefined),
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true);
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Assert.equal(Services.prefs.getStringPref(PREF_CACHED_FILE_APPVERSION, "unknown"),
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AppConstants.MOZ_APP_VERSION);
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// Check that calling _hasDistributionIni again will use the cached value. We do
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// this by deleting the file and expecting it to still return true instead of false.
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// Also, we need to delete _hasDistributionIni from the object because the getter
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// was replaced with a stored value.
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deleteDistribution();
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delete distribution._hasDistributionIni;
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exists = distribution._hasDistributionIni;
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Assert.ok(exists);
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// Now let's invalidate the PREF_CACHED_FILE_EXISTENCE pref to make sure the
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// value gets recomputed correctly.
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Services.prefs.clearUserPref(PREF_CACHED_FILE_EXISTENCE);
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delete distribution._hasDistributionIni;
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exists = distribution._hasDistributionIni;
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// It now should return false, as well as storing false in the pref.
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Assert.ok(!exists);
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Assert.equal(Services.prefs.getBoolPref(PREF_CACHED_FILE_EXISTENCE, undefined),
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false);
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// Check now that it will use the new cached value instead of returning true in
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// the presence of the file.
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copyDistributionToProfile();
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delete distribution._hasDistributionIni;
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exists = distribution._hasDistributionIni;
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Assert.ok(!exists);
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// Now let's do the same, but invalidating the App Version, as if a version
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// update occurred.
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Services.prefs.setStringPref(PREF_CACHED_FILE_APPVERSION, "older version");
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delete distribution._hasDistributionIni;
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exists = distribution._hasDistributionIni;
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Assert.ok(exists);
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Assert.equal(Services.prefs.getBoolPref(PREF_CACHED_FILE_EXISTENCE, undefined),
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true);
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Assert.equal(Services.prefs.getStringPref(PREF_CACHED_FILE_APPVERSION, "unknown"),
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AppConstants.MOZ_APP_VERSION);
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});
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/*
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* Helper functions
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*/
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function copyDistributionToProfile() {
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// Copy distribution.ini file to the profile dir.
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let distroDir = gProfD.clone();
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distroDir.leafName = "distribution";
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let iniFile = distroDir.clone();
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iniFile.append("distribution.ini");
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if (iniFile.exists()) {
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iniFile.remove(false);
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print("distribution.ini already exists, did some test forget to cleanup?");
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}
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let testDistributionFile = gTestDir.clone();
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testDistributionFile.append("distribution.ini");
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testDistributionFile.copyTo(distroDir, "distribution.ini");
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Assert.ok(testDistributionFile.exists());
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}
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function deleteDistribution() {
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let distroDir = gProfD.clone();
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distroDir.leafName = "distribution";
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let iniFile = distroDir.clone();
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iniFile.append("distribution.ini");
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iniFile.remove(false);
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}
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function setupTest() {
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// Set special pref to load distribution.ini from the profile folder.
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Services.prefs.setBoolPref(PREF_LOAD_FROM_PROFILE, true);
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}
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registerCleanupFunction(function() {
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deleteDistribution();
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Services.prefs.clearUserPref(PREF_LOAD_FROM_PROFILE);
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});
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