Fixes Caterpillar crashing while generating report.

src/end_to_end_test.py

Index: src/end_to_end_test.py
diff --git a/src/end_to_end_test.py b/src/end_to_end_test.py
index 8c3582154c9e9bb3cc253fe54c07e95a1a37b6bd..df6d0bfd0144e0f069b514bb37e5e001b6dc9e48 100644
--- a/src/end_to_end_test.py
+++ b/src/end_to_end_test.py
@@ -81,12 +81,18 @@ class TestEndToEndConvert(caterpillar_test.TestCaseWithTempDir):
     """Tests that the output matches the reference output."""
     expected_files = set()
     for dirname, _, filenames in os.walk(TTS_REFERENCE_PATH):

[Matt Giuca, 2016/02/04 05:10:31]

This has almost the same thing four times. I think it could be abstracted.

Why might bower_components be in a directory and not match?

[Matthew Alger, 2016/02/04 05:44:01]

Done.

We ignore bower_components because it is where we store report dependencies, and
I don't want to check those.

+      if 'bower_components' in dirname:
+        continue
+
       for filename in filenames:
         relpath = os.path.relpath(
             os.path.join(dirname, filename), TTS_REFERENCE_PATH)
         expected_files.add(relpath)
 
     for dirname, _, filenames in os.walk(self.output_dir):
+      if 'bower_components' in dirname:
+        continue
+
       for filename in filenames:
         relpath = os.path.relpath(
             os.path.join(dirname, filename), self.output_dir)
@@ -94,12 +100,18 @@ class TestEndToEndConvert(caterpillar_test.TestCaseWithTempDir):
 
     expected_files = set()
     for dirname, _, filenames in os.walk(self.output_dir):
+      if 'bower_components' in dirname:
+        continue
+
       for filename in filenames:
         relpath = os.path.relpath(
             os.path.join(dirname, filename), self.output_dir)
         expected_files.add(relpath)
 
     for dirname, _, filenames in os.walk(TTS_REFERENCE_PATH):
+      if 'bower_components' in dirname:
+        continue
+
       for filename in filenames:
         relpath = os.path.relpath(
             os.path.join(dirname, filename), TTS_REFERENCE_PATH)