add unit tests

tests/integration/test_basic.py

@@ -0,0 +1,34 @@
+'''Basic tests about cassettes'''
+# coding=utf-8
+
+# Internal imports
+import vcr
+from .common import TestVCR
+
+# External imports
+import os
+import urllib2
+
+
+class TestCassette(TestVCR):
+    '''We should be able to save a cassette'''
+    fixtures = os.path.join('tests', 'fixtures', 'basic')
+
+    def test_nonexistent_directory(self):
+        '''If we load a cassette in a nonexistent directory, it can save ok'''
+        self.assertFalse(os.path.exists(self.fixture('nonexistent')))
+        with vcr.use_cassette(self.fixture('nonexistent', 'cass.yaml')):
+            urllib2.urlopen('http://httpbin.org/').read()
+        # This should have made the file and the directory
+        self.assertTrue(
+            os.path.exists(self.fixture('nonexistent', 'cass.yaml')))
+
+    def test_unpatch(self):
+        '''Ensure that our cassette gets unpatched when we're done'''
+        with vcr.use_cassette(self.fixture('unpatch.yaml')) as cass:
+            urllib2.urlopen('http://httpbin.org/').read()
+
+        # Make the same requests, and assert that we haven't served any more
+        # requests out of cache
+        urllib2.urlopen('http://httpbin.org/').read()
+        self.assertEqual(len(cass.cached()), 0)