Make import-tests.py generate the current state of the reftest manifest, and warn that the file is autogenerated. (Bug 817810) No review.

layout/reftests/w3c-css/import-tests.py

@@ -48,6 +48,10 @@ gPrefixedProperties = [
     "column-width"
 ]
 
+gDefaultPreferences = {
+    "css3-conditional": "pref(layout.css.supports-rule.enabled,true)"
+}
+
 gLog = None
 gFailList = {}
 gDestPath = None
@@ -244,6 +248,8 @@ def read_options():
 
 def setup_paths():
     global gSubtrees, gDestPath, gSrcPath
+    # FIXME: generate gSrcPath with consistent trailing / regardless of input.
+    # (We currently expect the argument to have a trailing slash.)
     gSrcPath = gArgs[0]
     if not os.path.isdir(gSrcPath) or \
     not os.path.isdir(os.path.join(gSrcPath, ".hg")):
@@ -284,10 +290,19 @@ def main():
         add_test_items(t, spec=None)
 
     listfile = open(os.path.join(gDestPath, "reftest.list"), "w")
+    listfile.write("# THIS FILE IS AUTOGENERATED BY {0}\n# DO NOT EDIT!\n".format(os.path.basename(__file__)))
+    lastDefaultPreferences = None
     for test in tests:
+        defaultPreferences = gDefaultPreferences.get(test[1].split("/")[0], None)
+        if defaultPreferences != lastDefaultPreferences:
+            if defaultPreferences is None:
+                listfile.write("\ndefault-preferences\n\n")
+            else:
+                listfile.write("\ndefault-preferences {0}\n\n".format(defaultPreferences))
+            lastDefaultPreferences = defaultPreferences
         key = 0
         while not test[key] in gTestFlags.keys() and key < len(test):
-          key = key + 1
+            key = key + 1
         testKey = test[key]
         if 'ahem' in gTestFlags[testKey]:
             test = ["HTTP(../../..)"] + test

layout/reftests/w3c-css/received/reftest.list

@@ -1,3 +1,5 @@
+# THIS FILE IS AUTOGENERATED BY import-tests.py
+# DO NOT EDIT!
 == css3-namespace/prefix-001.xml css3-namespace/ref-lime-1.xml
 == css3-namespace/prefix-002.xml css3-namespace/ref-lime-1.xml
 == css3-namespace/prefix-003.xml css3-namespace/ref-lime-1-generic.xml