test: Start using ddt library for TCs

+ DataDriven TCs for identifying which separate case failed.
+ appveyor: rework matrix, conda3.4 cannot install in develop mode

Author: ankostis

Diff for: .appveyor.yml

@@ -8,28 +8,28 @@ environment:
       - PYTHON: "C:\\Python27"
         PYTHON_VERSION: "2.7"
         GIT_PATH: "%GIT_DAEMON_PATH%"
-      - PYTHON: "C:\\Miniconda"
+      - PYTHON: "C:\\Miniconda-x64"
         PYTHON_VERSION: "2.7"
         IS_CONDA: "yes"
         GIT_PATH: "%CYGWIN_GIT_PATH%"
 
       - PYTHON: "C:\\Python34-x64"
         PYTHON_VERSION: "3.4"
-        GIT_PATH: "%CYGWIN64_GIT_PATH%"
+        GIT_PATH: "%GIT_DAEMON_PATH%"
       - PYTHON: "C:\\Python34-x64"
         PYTHON_VERSION: "3.4"
         GIT_PATH: "%CYGWIN_GIT_PATH%"
-      - PYTHON: "C:\\Miniconda3-x64"
-        PYTHON_VERSION: "3.4"
-        IS_CONDA: "yes"
-        GIT_PATH: "%GIT_DAEMON_PATH%"
 
       - PYTHON: "C:\\Python35-x64"
         PYTHON_VERSION: "3.5"
         GIT_PATH: "%GIT_DAEMON_PATH%"
       - PYTHON: "C:\\Python35-x64"
         PYTHON_VERSION: "3.5"
         GIT_PATH: "%CYGWIN64_GIT_PATH%"
+      - PYTHON: "C:\\Miniconda35-x64"
+        PYTHON_VERSION: "3.5"
+        IS_CONDA: "yes"
+        GIT_PATH: "%GIT_DAEMON_PATH%"
 
 install:
     - set PATH=%PYTHON%;%PYTHON%\Scripts;%GIT_PATH%;%PATH%
@@ -44,9 +44,9 @@ install:
 
     - IF "%IS_CONDA%"=="yes" (
         conda info -a &
-        conda install --yes --quiet  pip smmap 
+        conda install --yes --quiet  pip 
       )
-    - pip install  nose wheel coveralls
+    - pip install  nose ddt wheel coveralls 
     -   IF "%PYTHON_VERSION%"=="2.7" (
             pip install mock
         )
@@ -68,7 +68,7 @@ install:
         git config --global user.email "[email protected]"
         git config --global user.name "Travis Runner"
 
-    - python setup.py develop
+    - pip install -e .
 
 build: false
 

Diff for: .travis.yml

@@ -16,7 +16,7 @@ git:
 install:
   - git submodule update --init --recursive
   - git fetch --tags
-  - pip install coveralls flake8 sphinx
+  - pip install coveralls flake8 ddt sphinx
 
   # generate some reflog as git-python tests need it (in master)
   - ./init-tests-after-clone.sh

Diff for: git/test/test_diff.py

@@ -24,8 +24,10 @@
     DiffIndex,
     NULL_TREE,
 )
+import ddt
 
 
+@ddt.ddt
 class TestDiff(TestBase):
 
     def tearDown(self):
@@ -118,18 +120,20 @@ def test_diff_of_modified_files_not_added_to_the_index(self):
         self.assertEqual(diffs[0].change_type, 'M')
         self.assertIsNone(diffs[0].b_blob,)
 
-    def test_binary_diff(self):
-        for method, file_name in ((Diff._index_from_patch_format, 'diff_patch_binary'),
-                                  (Diff._index_from_raw_format, 'diff_raw_binary')):
-            res = method(None, StringProcessAdapter(fixture(file_name)).stdout)
-            self.assertEqual(len(res), 1)
-            self.assertEqual(len(list(res.iter_change_type('M'))), 1)
-            if res[0].diff:
-                self.assertEqual(res[0].diff,
-                                 b"Binary files a/rps and b/rps differ\n",
-                                 "in patch mode, we get a diff text")
-                self.assertIsNotNone(str(res[0]), "This call should just work")
-        # end for each method to test
+    @ddt.data(
+        (Diff._index_from_patch_format, 'diff_patch_binary'),
+        (Diff._index_from_raw_format, 'diff_raw_binary')
+    )
+    def test_binary_diff(self, case):
+        method, file_name = case
+        res = method(None, StringProcessAdapter(fixture(file_name)).stdout)
+        self.assertEqual(len(res), 1)
+        self.assertEqual(len(list(res.iter_change_type('M'))), 1)
+        if res[0].diff:
+            self.assertEqual(res[0].diff,
+                             b"Binary files a/rps and b/rps differ\n",
+                             "in patch mode, we get a diff text")
+            self.assertIsNotNone(str(res[0]), "This call should just work")
 
     def test_diff_index(self):
         output = StringProcessAdapter(fixture('diff_index_patch'))

Diff for: setup.py

@@ -68,7 +68,7 @@ def _stamp_version(filename):
         print("WARNING: Couldn't find version line in file %s" % filename, file=sys.stderr)
 
 install_requires = ['gitdb >= 0.6.4']
-test_requires = ['node']
+test_requires = ['node', 'ddt']
 if sys.version_info[:2] < (2, 7):
     install_requires.append('ordereddict')
     test_requires.append('mock')