Bug 1572404 - [mozprofile] install addon with browser_specific_settings r=whimboo

webextensions now uses "browser_specific_settings" instead of "applications" in
the manifest file. This patch make mozprofile look for both places.

Differential Revision: https://phabricator.services.mozilla.com/D42457

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

testing/mozbase/mozprofile/mozprofile/addons.py

@@ -284,9 +284,15 @@ class AddonManager(object):
         if is_webext:
             details['version'] = manifest['version']
             details['name'] = manifest['name']
+            # Bug 1572404 - we support two locations for gecko-specific
+            # metadata.
+            for location in ('applications', 'browser_specific_settings'):
                 try:
-                details['id'] = manifest['applications']['gecko']['id']
+                    details['id'] = manifest[location]['gecko']['id']
+                    break
                 except KeyError:
+                    pass
+            if details['id'] is None:
                 details['id'] = cls._gen_iid(addon_path)
             details['unpack'] = False
         else:

testing/mozbase/mozprofile/tests/test_addons.py

@@ -83,6 +83,19 @@ def test_install_webextension(am):
     assert 'test-webext@quality.mozilla.org' == details['id']
 
 
+def test_install_webextension_id_via_browser_specific_settings(am):
+    # See Bug 1572404
+    addon = os.path.join(here, 'addons', 'apply-css-id-via-browser-specific-settings.xpi')
+    am.install(addon)
+    assert len(am.installed_addons) == 1
+    assert os.path.isfile(am.installed_addons[0])
+    assert ('apply-css-id-via-browser-specific-settings.xpi' ==
+            os.path.basename(am.installed_addons[0]))
+
+    details = am.addon_details(am.installed_addons[0])
+    assert 'test-webext@quality.mozilla.org' == details['id']
+
+
 def test_install_webextension_sans_id(am):
     addon = os.path.join(here, 'addons', 'apply-css-sans-id.xpi')
     am.install(addon)