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-rw-r--r--dom/cache/test/xpcshell/test_empty_directories.js85
1 files changed, 85 insertions, 0 deletions
diff --git a/dom/cache/test/xpcshell/test_empty_directories.js b/dom/cache/test/xpcshell/test_empty_directories.js
new file mode 100644
index 0000000000..2e43ba67bd
--- /dev/null
+++ b/dom/cache/test/xpcshell/test_empty_directories.js
@@ -0,0 +1,85 @@
+/**
+ * This test is mainly to verify cache won't leave emptry directory.
+ */
+
+function resetStorage() {
+ return new Promise(function (resolve, reject) {
+ var qms = Services.qms;
+ var request = qms.reset();
+ request.callback = resolve;
+ });
+}
+
+async function setUpEnv() {
+ Services.prefs.setBoolPref("dom.quotaManager.testing", true);
+
+ // We need this for generating the basic profile path
+ create_test_profile("schema_25_profile.zip");
+
+ // Trigger storage upgrade
+ await caches.open("test");
+ const cacheDir = getCacheDir();
+ let morgueDir = cacheDir.clone();
+ morgueDir.append("morgue");
+
+ // clean the cache directoy
+ for (let dir of morgueDir.directoryEntries) {
+ for (let file of dir.directoryEntries) {
+ file.remove(false);
+ }
+ }
+
+ await resetStorage();
+}
+
+// This function ensure the directory with file shouldn't have been deleted and
+// ensure the directory without file should've been deleted.
+function verifyResult() {
+ const cacheDir = getCacheDir();
+ let morgueDir = cacheDir.clone();
+ morgueDir.append("morgue");
+
+ let foundEmpty = false;
+ for (let dir of morgueDir.directoryEntries) {
+ let empty = true;
+ // eslint-disable-next-line no-unused-vars
+ for (let file of dir.directoryEntries) {
+ empty = false;
+ }
+
+ foundEmpty = foundEmpty || empty;
+ }
+ return !foundEmpty;
+}
+
+add_task(async function testSteps() {
+ const url = "https://www.mozilla.org";
+
+ info("Setting up environment");
+
+ await setUpEnv();
+
+ info("Test 0 - InitOrigin shouldn't leave an empty directoy");
+
+ let cache = await caches.open("test");
+ let response = await cache.match(url);
+ ok(!!response, "Upgrade from 25 to 26 do succeed");
+ ok(verifyResult(), "InitOrigin should clean all empty directories");
+
+ info("Test 1 - DeleteOrphanedBodyFiles shouldn't leave an empty directoy");
+
+ await cache.put(url, response.clone());
+ // eslint-disable-next-line no-unused-vars
+ let r = await cache.match(url);
+ await cache.delete(url);
+ await resetStorage();
+
+ cache = await caches.open("test");
+
+ // Extra operation to ensure the deletion is completed
+ await cache.match(url);
+
+ ok(verifyResult(), "Empty directory should be removed");
+
+ await caches.delete("test");
+});