test_upgrade_incompatible.js

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// Tests that when an extension manifest that was previously valid becomes

// unparseable after an application update, the extension becomes

// disabled.  (See bug 1439600 for a concrete example of a situation where

// this happened).

add_task(async function test_upgrade_incompatible() {

  const ID = "incompatible-upgrade@tests.mozilla.org";

  createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");

  await promiseStartupManager();

  let file = createTempWebExtensionFile({

    manifest: {

      browser_specific_settings: { gecko: { id: ID } },

},

});

  let { addon } = await promiseInstallFile(file);

  notEqual(addon, null);

  equal(addon.appDisabled, false);

  await promiseShutdownManager();

  // Create a new, incompatible extension

  let newfile = createTempWebExtensionFile({

    manifest: {

      browser_specific_settings: { gecko: { id: ID } },

      manifest_version: 1,

},

});

  // swap the incompatible extension in for the original

  let path = PathUtils.join(gProfD.path, "extensions", `${ID}.xpi`);

  let fileInfo = await IOUtils.stat(path);

  let timestamp = fileInfo.lastModified;

  await IOUtils.move(newfile.path, path);

  await promiseSetExtensionModifiedTime(path, timestamp);

  Services.obs.notifyObservers(new FileUtils.File(path), "flush-cache-entry");

  // Restart.  With the change to the DB schema we recompute compatibility.

  // With an unparseable manifest the addon should become disabled.

  Services.prefs.setIntPref("extensions.databaseSchema", 0);

  await promiseStartupManager();

  addon = await promiseAddonByID(ID);

  notEqual(addon, null);

  equal(addon.appDisabled, true);

  await promiseShutdownManager();

  file = createTempWebExtensionFile({

    manifest: {

      browser_specific_settings: { gecko: { id: ID } },

},

});

  // swap the old extension back in and check that we don't persist the disabled state forever.

  await IOUtils.move(file.path, path);

  await promiseSetExtensionModifiedTime(path, timestamp);

  Services.obs.notifyObservers(new FileUtils.File(path), "flush-cache-entry");

  // Restart.  With the change to the DB schema we recompute compatibility.

  Services.prefs.setIntPref("extensions.databaseSchema", 0);

  await promiseStartupManager();

  addon = await promiseAddonByID(ID);

  notEqual(addon, null);

  equal(addon.appDisabled, false);

  await promiseShutdownManager();

});