Refactored unit test for matchers

tests/unit/test_matchers.py

@@ -1,30 +1,41 @@
+import itertools
+
 from vcr import matchers
 from vcr import request
 
-
-def test_method():
-    req_get = request.Request('GET', 'http://google.com:80/', '', {})
-    assert True == matchers.method(req_get, req_get)
-
-    req_get1 = request.Request('GET', 'https://httpbin.org:80/', '', {})
-    assert True == matchers.method(req_get, req_get1)
-
-    req_post = request.Request('POST', 'http://google.com:80/', '', {})
-    assert False == matchers.method(req_get, req_post)
+# the dict contains requests with corresponding to its key difference
+# with 'base' request.
+REQUESTS = {
+    'base': request.Request('GET', 'http://host.com:80/', '', {}),
+    'method': request.Request('POST', 'http://host.com:80/', '', {}),
+    'protocol': request.Request('GET', 'https://host.com:80/', '', {}),
+    'host': request.Request('GET', 'http://another-host.com:80/', '', {}),
+    'port': request.Request('GET', 'http://host.com:90/', '', {}),
+    'path': request.Request('GET', 'http://host.com:80/a', '', {}),
+    'query': request.Request('GET', 'http://host.com:80/?a=b', '', {}),
+}
 
 
-def test_url():
-    req1 = request.Request('GET', 'http://google.com:80/', '', {})
-    assert True == matchers.url(req1, req1)
+def assert_matcher(matcher_name):
+    matcher = getattr(matchers, matcher_name)
+    for k1, k2 in itertools.permutations(REQUESTS, 2):
+        matched = matcher(REQUESTS[k1], REQUESTS[k2])
+        if matcher_name in {k1, k2}:
+            assert not matched
+        else:
+            assert matched
 
-    req2 = request.Request('GET', 'https://httpbin.org:80/', '', {})
-    assert False == matchers.url(req1, req2)
 
-    req1_post = request.Request('POST', 'http://google.com:80/', '', {})
-    assert True == matchers.url(req1, req1_post)
+def test_url_matcher():
+    for k1, k2 in itertools.permutations(REQUESTS, 2):
+        matched = matchers.url(REQUESTS[k1], REQUESTS[k2])
+        if {k1, k2} != {'base', 'method'}:
+            assert not matched
+        else:
+            assert matched
 
-    req_query_string = request.Request(
-        'GET', 'http://google.com:80/?p1=t1&p2=t2', '', {})
-    req_query_string1 = request.Request(
-        'GET', 'http://google.com:80/?p2=t2&p1=t1', '', {})
-    assert False == matchers.url(req_query_string, req_query_string1)
+
+def test_metchers():
+    assert_matcher('method')
+    #assert_matcher('method')
+    #assert_matcher('method')