1 files changed, 127 insertions, 0 deletions
diff --git a/lib/subunit/python/subunit/tests/test_chunked.py b/lib/subunit/python/subunit/tests/test_chunked.py
new file mode 100644
index 0000000000..a24e31e0c2
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+++ b/lib/subunit/python/subunit/tests/test_chunked.py
@@ -0,0 +1,127 @@
+#
+#  subunit: extensions to python unittest to get test results from subprocesses.
+#  Copyright (C) 2005  Robert Collins <robertc@robertcollins.net>
+#
+#  Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
+#  license at the users choice. A copy of both licenses are available in the
+#  project source as Apache-2.0 and BSD. You may not use this file except in
+#  compliance with one of these two licences.
+#  
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
+#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+#  license you chose for the specific language governing permissions and
+#  limitations under that license.
+#
+
+from cStringIO import StringIO
+import unittest
+
+import subunit.chunked
+
+
+def test_suite():
+    loader = subunit.tests.TestUtil.TestLoader()
+    result = loader.loadTestsFromName(__name__)
+    return result
+
+
+class TestDecode(unittest.TestCase):
+
+    def setUp(self):
+        unittest.TestCase.setUp(self)
+        self.output = StringIO()
+        self.decoder = subunit.chunked.Decoder(self.output)
+
+    def test_close_read_length_short_errors(self):
+        self.assertRaises(ValueError, self.decoder.close)
+
+    def test_close_body_short_errors(self):
+        self.assertEqual(None, self.decoder.write('2\r\na'))
+        self.assertRaises(ValueError, self.decoder.close)
+
+    def test_close_body_buffered_data_errors(self):
+        self.assertEqual(None, self.decoder.write('2\r'))
+        self.assertRaises(ValueError, self.decoder.close)
+
+    def test_close_after_finished_stream_safe(self):
+        self.assertEqual(None, self.decoder.write('2\r\nab'))
+        self.assertEqual('', self.decoder.write('0\r\n'))
+        self.decoder.close()
+
+    def test_decode_nothing(self):
+        self.assertEqual('', self.decoder.write('0\r\n'))
+        self.assertEqual('', self.output.getvalue())
+
+    def test_decode_serialised_form(self):
+        self.assertEqual(None, self.decoder.write("F\r\n"))
+        self.assertEqual(None, self.decoder.write("serialised\n"))
+        self.assertEqual('', self.decoder.write("form0\r\n"))
+
+    def test_decode_short(self):
+        self.assertEqual('', self.decoder.write('3\r\nabc0\r\n'))
+        self.assertEqual('abc', self.output.getvalue())
+
+    def test_decode_combines_short(self):
+        self.assertEqual('', self.decoder.write('6\r\nabcdef0\r\n'))
+        self.assertEqual('abcdef', self.output.getvalue())
+
+    def test_decode_excess_bytes_from_write(self):
+        self.assertEqual('1234', self.decoder.write('3\r\nabc0\r\n1234'))
+        self.assertEqual('abc', self.output.getvalue())
+
+    def test_decode_write_after_finished_errors(self):
+        self.assertEqual('1234', self.decoder.write('3\r\nabc0\r\n1234'))
+        self.assertRaises(ValueError, self.decoder.write, '')
+
+    def test_decode_hex(self):
+        self.assertEqual('', self.decoder.write('A\r\n12345678900\r\n'))
+        self.assertEqual('1234567890', self.output.getvalue())
+
+    def test_decode_long_ranges(self):
+        self.assertEqual(None, self.decoder.write('10000\r\n'))
+        self.assertEqual(None, self.decoder.write('1' * 65536))
+        self.assertEqual(None, self.decoder.write('10000\r\n'))
+        self.assertEqual(None, self.decoder.write('2' * 65536))
+        self.assertEqual('', self.decoder.write('0\r\n'))
+        self.assertEqual('1' * 65536 + '2' * 65536, self.output.getvalue())
+
+
+class TestEncode(unittest.TestCase):
+
+    def setUp(self):
+        unittest.TestCase.setUp(self)
+        self.output = StringIO()
+        self.encoder = subunit.chunked.Encoder(self.output)
+
+    def test_encode_nothing(self):
+        self.encoder.close()
+        self.assertEqual('0\r\n', self.output.getvalue())
+
+    def test_encode_empty(self):
+        self.encoder.write('')
+        self.encoder.close()
+        self.assertEqual('0\r\n', self.output.getvalue())
+
+    def test_encode_short(self):
+        self.encoder.write('abc')
+        self.encoder.close()
+        self.assertEqual('3\r\nabc0\r\n', self.output.getvalue())
+
+    def test_encode_combines_short(self):
+        self.encoder.write('abc')
+        self.encoder.write('def')
+        self.encoder.close()
+        self.assertEqual('6\r\nabcdef0\r\n', self.output.getvalue())
+
+    def test_encode_over_9_is_in_hex(self):
+        self.encoder.write('1234567890')
+        self.encoder.close()
+        self.assertEqual('A\r\n12345678900\r\n', self.output.getvalue())
+
+    def test_encode_long_ranges_not_combined(self):
+        self.encoder.write('1' * 65536)
+        self.encoder.write('2' * 65536)
+        self.encoder.close()
+        self.assertEqual('10000\r\n' + '1' * 65536 + '10000\r\n' +
+            '2' * 65536 + '0\r\n', self.output.getvalue())