do not throw error if default_locale without locales (bug 777325)

tests/test_webapp.py

@@ -204,6 +204,12 @@ def test_icons_has_min_listed(self):
 
     def test_no_locales(self):
         """Test that locales are not required."""
+        del self.data["locales"]
+        self.analyze()
+        self.assert_silent()
+
+    def test_no_default_locale_no_locales(self):
+        """Test that locales are not required if no default_locale."""
         del self.data["default_locale"]
         del self.data["locales"]
         self.analyze()

validator/specs/webapps.py

@@ -53,7 +53,6 @@ class WebappSpec(Spec):
                  "child_nodes": {"*": {"expected_type": dict,
                                        "child_nodes": {}}}},  # Set in __init__
             "default_locale": {"expected_type": types.StringTypes,
-                               "process": lambda s: s.process_default_locale,
                                "not_empty": True},
             "installs_allowed_from": {"expected_type": list,
                                       "process": lambda s: s.process_iaf,
@@ -200,15 +199,6 @@ def process_dev_url(self, node):
                              "Found: %s" % node,
                              self.MORE_INFO])
 
-    def process_default_locale(self, node):
-        if "locales" not in self.data:
-            self.err.error(
-                err_id=("spec", "webapp", "def_locale_wo_locales"),
-                error="`default_locale` without `locales`",
-                description=["A `default_locale` was provided without a "
-                             "`locales` node.",
-                             self.MORE_INFO])
-
     def process_iaf(self, node):
         market_urls = set()
         for index, item in enumerate(node):

validator/webapp.py

@@ -14,6 +14,7 @@ def detect_webapp(err, package):
     with open(package, mode="r") as f:
         detect_webapp_string(err, f.read())
 
+
 def detect_webapp_string(err, data):
     """
     Parse and validate a webapp based on the string version of the provided
@@ -51,4 +52,3 @@ def detect_webapp_raw(err, webapp):
                 description="Your app's name is long enough to possibly be "
                             "truncated on Firefox OS devices. Consider using "
                             "a shorter name for your app.")
-