Bug 1608025 - Add a test for the upgrade from storage version 2.2; r=asuth

Differential Revision: https://phabricator.services.mozilla.com/D59711

--HG--
extra : moz-landing-system : lando

dom/quota/test/unit/upgrades/test_upgradeStorageFrom2_2.js

@@ -0,0 +1,45 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/**
+ * This test is mainly to verify UpgradeStorageFrom2_2To2_3 method.
+ */
+
+async function testSteps() {
+  function verifyDatabaseTable(shouldExist) {
+    let file = getRelativeFile("storage.sqlite");
+    let conn = Services.storage.openUnsharedDatabase(file);
+
+    let exists = conn.tableExists("database");
+    if (shouldExist) {
+      ok(exists, "Database table does exist");
+    } else {
+      ok(!exists, "Database table does not exist");
+    }
+
+    conn.close();
+  }
+
+  info("Clearing");
+
+  let request = clear();
+  await requestFinished(request);
+
+  // Storage used by FF 68-69 (storage version 2.2).
+  installPackage("version2_2_profile");
+
+  verifyDatabaseTable(/* shouldExist */ false);
+
+  info("Initializing");
+
+  // Initialize to trigger storage upgrade from version 2.2
+  request = init();
+  await requestFinished(request);
+
+  request = reset();
+  await requestFinished(request);
+
+  verifyDatabaseTable(/* shouldExist */ true);
+}

dom/quota/test/unit/upgrades/xpcshell.ini

@@ -21,6 +21,7 @@ support-files =
   version1_0_obsoleteOriginAttributes_profile.zip
   version2_0_profile.zip
   version2_1_profile.zip
+  version2_2_profile.zip
 
 [test_localStorageArchive1upgrade.js]
 [test_localStorageArchive4upgrade.js]
@@ -38,3 +39,4 @@ support-files =
 [test_upgradeStorageFrom1_0_stripObsoleteOriginAttributes.js]
 [test_upgradeStorageFrom2_0.js]
 [test_upgradeStorageFrom2_1.js]
+[test_upgradeStorageFrom2_2.js]