Add a data-driven unit test to validate autofill profile merging during aggregation.

chrome/test/data/autofill/merge/tools/flatten.py

Index: chrome/test/data/autofill/merge/tools/flatten.py
diff --git a/chrome/test/data/autofill/merge/tools/flatten.py b/chrome/test/data/autofill/merge/tools/flatten.py
new file mode 100644
index 0000000000000000000000000000000000000000..cd1800d21c4f41d75ae81a927ec8c60b8e5e62e1
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+++ b/chrome/test/data/autofill/merge/tools/flatten.py
@@ -0,0 +1,57 @@
+# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import sys
+
+def main():
+  """Converts a vertical serialization into a compact, horizontal serialization.
+
+  """
+
+  COLUMNS = ['First name', 'Middle name', 'Last name', 'Email', 'Company name',
+             'Address line 1', 'Address line 2', 'City', 'State', 'Zipcode',
+             'Country', 'Phone', 'Fax']
+
+  if len(sys.argv) != 2:
+    print "Usage: python flatten.py <path/to/serialized_profiles>"
+    return
+
+  profiles = [COLUMNS]
+  with open(sys.argv[1], 'r') as serialized_profiles:
+    profile = []
+    for line in serialized_profiles:
+      # Trim the newline if present.
+      if line[-1] == '\n':
+        line = line[:-1]
+
+      if line == "---":
+        if len(profile):
+          # Reached the end of a profile.
+          # Save the current profile and prepare to build up the next one.
+          profiles.append(profile)
+          profile = []
+      else:
+        # Append the current field's value to the current profile.
+        field_value = line.split(': ', 1)[1]
+        profile.append("'%s'" % field_value)
+
+    if len(profile):
+      profiles.append(profile)
+
+  # Prepare format strings so that we can align the contents of each column.
+  transposed = zip(*profiles)
+  column_widths = []
+  for column in transposed:
+    widths = [len(value) for value in column]
+    column_widths.append(max(widths))
+  column_formats = ["{0:<" + str(width) + "}" for width in column_widths]
+
+  for profile in profiles:
+    profile_format = zip(column_formats, profile)
+    profile = [format_.format(value) for (format_, value) in profile_format]
+    print " | ".join(profile)
+
+
+if __name__ == '__main__':
+  main()