[polymer] import all elements

pkg/polymer/lib/elements/web-animations-js/test/update-testcases.py

+#!/usr/bin/python
+
+import cStringIO as StringIO
+from fnmatch import fnmatch
+import difflib
+import os
+import sys
+
+
+def get_name(filename):
+    return os.path.splitext(filename)[0]
+
+
+def list_dir(dir_path, filter_func):
+    return sorted(filter(filter_func, os.listdir(dir_path)), key=get_name)
+
+
+def main():
+    test_dir = os.path.dirname(os.path.realpath(__file__))
+    testcase_dir = os.path.join(test_dir, 'testcases')
+    testcase_file = os.path.join(test_dir, 'testcases.js')
+
+    def is_testcase_file(filename):
+        return (
+            fnmatch(filename, "*.html") and
+            not fnmatch(filename, "manual-test*") and
+            not fnmatch(filename, "disabled-*"))
+
+    new_testcases = StringIO.StringIO()
+    new_testcases.write("""\
+// This file is automatically generated by test/update-testcases.py.
+// Disable tests by adding them to test/disabled-testcases
+""")
+    new_testcases.write('var tests = [\n  \'')
+    new_testcases.write(
+        '\',\n  \''.join(list_dir(testcase_dir, is_testcase_file)))
+    new_testcases.write('\',\n];\n')
+    new_testcases.seek(0)
+    new_testcases_lines = new_testcases.readlines()
+
+    current_testcases_lines = file(testcase_file).readlines()
+
+    lines = list(difflib.unified_diff(
+        current_testcases_lines, new_testcases_lines,
+        fromfile=testcase_file, tofile=testcase_file))
+
+    if len(lines) == 0:
+        sys.stdout.write('Nothing to do\n')
+        sys.exit(0)
+
+    if not "--dry-run" in sys.argv:
+        file(testcase_file, "w").write("".join(new_testcases_lines))
+        sys.stdout.write(
+            'Updating %s with the following diff.\n' % testcase_file)
+
+    for line in lines:
+        sys.stdout.write(line)
+
+    sys.exit(1)
+
+
+if __name__ == '__main__':
+    main()