1 files changed, 105 insertions, 0 deletions
diff --git a/fixtures/tests/_fixtures/test_streams.py b/fixtures/tests/_fixtures/test_streams.py
new file mode 100644
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+++ b/fixtures/tests/_fixtures/test_streams.py
@@ -0,0 +1,105 @@
+#  fixtures: Fixtures with cleanups for testing and convenience.
+#
+# Copyright (c) 2012, 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 testtools import TestCase
+from testtools.compat import (
+    _b,
+    _u,
+    )
+from testtools.matchers import Contains
+
+from fixtures import (
+    ByteStream,
+    DetailStream,
+    StringStream,
+    )
+
+
+class DetailStreamTest(TestCase):
+
+    def test_doc_mentions_deprecated(self):
+        self.assertThat(DetailStream.__doc__, Contains('Deprecated'))
+
+
+class TestByteStreams(TestCase):
+
+    def test_empty_detail_stream(self):
+        detail_name = 'test'
+        fixture = ByteStream(detail_name)
+        with fixture:
+            content = fixture.getDetails()[detail_name]
+            self.assertEqual(_u(""), content.as_text())
+
+    def test_stream_content_in_details(self):
+        detail_name = 'test'
+        fixture = ByteStream(detail_name)
+        with fixture:
+            stream = fixture.stream
+            content = fixture.getDetails()[detail_name]
+            # Output after getDetails is called is included.
+            stream.write(_b("testing 1 2 3"))
+            self.assertEqual("testing 1 2 3", content.as_text())
+
+    def test_stream_content_reset(self):
+        detail_name = 'test'
+        fixture = ByteStream(detail_name)
+        with fixture:
+            stream = fixture.stream
+            content = fixture.getDetails()[detail_name]
+            stream.write(_b("testing 1 2 3"))
+        with fixture:
+            # The old content object returns the old usage
+            self.assertEqual(_u("testing 1 2 3"), content.as_text())
+            content = fixture.getDetails()[detail_name]
+            # A new fixture returns the new output:
+            stream = fixture.stream
+            stream.write(_b("1 2 3 testing"))
+            self.assertEqual(_u("1 2 3 testing"), content.as_text())
+
+
+class TestStringStreams(TestCase):
+
+    def test_empty_detail_stream(self):
+        detail_name = 'test'
+        fixture = StringStream(detail_name)
+        with fixture:
+            content = fixture.getDetails()[detail_name]
+            self.assertEqual(_u(""), content.as_text())
+
+    def test_stream_content_in_details(self):
+        detail_name = 'test'
+        fixture = StringStream(detail_name)
+        with fixture:
+            stream = fixture.stream
+            content = fixture.getDetails()[detail_name]
+            # Output after getDetails is called is included.
+            stream.write(_u("testing 1 2 3"))
+            self.assertEqual("testing 1 2 3", content.as_text())
+
+    def test_stream_content_reset(self):
+        detail_name = 'test'
+        fixture = StringStream(detail_name)
+        with fixture:
+            stream = fixture.stream
+            content = fixture.getDetails()[detail_name]
+            stream.write(_u("testing 1 2 3"))
+        with fixture:
+            # The old content object returns the old usage
+            self.assertEqual(_u("testing 1 2 3"), content.as_text())
+            content = fixture.getDetails()[detail_name]
+            # A new fixture returns the new output:
+            stream = fixture.stream
+            stream.write(_u("1 2 3 testing"))
+            self.assertEqual(_u("1 2 3 testing"), content.as_text())