Fix For Travis Test Step (ageitgey#20)

Replaces test command in .travis.yml so tests get run. Updates
Flake8 configuration. Adds Tox to handle testing of multiple Python
versions. Adds test dependencies to setup.py. Fixes bug in test.

Author: mdmedley

.travis.yml

@@ -12,6 +12,8 @@ before_install:
 - sudo apt-get install -qq cmake python-numpy python-scipy libboost-python-dev
 - pip install git+https://github.com/ageitgey/face_recognition_models
 
-install: pip install -r requirements.txt
+install:
+  - pip install -r requirements.txt
+  - pip install tox-travis
 
-script: python -m tests.test_face_recognition
+script: tox

face_recognition/cli.py

@@ -7,6 +7,7 @@
 import warnings
 import face_recognition.api as face_recognition
 
+
 def scan_known_people(known_people_folder):
     known_names = []
     known_face_encodings = []
@@ -52,6 +53,7 @@ def test_image(image_to_check, known_names, known_face_encodings):
 def image_files_in_folder(folder):
     return [os.path.join(folder, f) for f in os.listdir(folder) if re.match(r'.*\.(jpg|jpeg|png)', f, flags=re.I)]
 
+
 @click.command()
 @click.argument('known_people_folder')
 @click.argument('image_to_check')
@@ -63,5 +65,6 @@ def main(known_people_folder, image_to_check):
     else:
         test_image(image_to_check, known_names, known_face_encodings)
 
+
 if __name__ == "__main__":
     main()

setup.cfg

@@ -15,5 +15,17 @@ replace = __version__ = '{new_version}'
 universal = 1
 
 [flake8]
-exclude = docs
+exclude =
+    .github,
+    .idea,
+    .eggs,
+    examples,
+    docs,
+    .tox,
+    bin,
+    dist,
+    tools,
+    *.egg-info,
+    __init__.py,
+    *.yml
 max-line-length = 160

setup.py

@@ -19,7 +19,8 @@
 ]
 
 test_requirements = [
-    # TODO: put package test requirements here
+    'tox',
+    'flake8'
 ]
 
 setup(

tests/test_face_recognition.py

@@ -112,9 +112,9 @@ def test_compare_faces(self):
             face_encoding_b1]
 
         match_results = api.compare_faces(faces_to_compare, face_encoding_a1)
-        self.assertIs(match_results[0], True)
-        self.assertIs(match_results[1], True)
-        self.assertIs(match_results[2], False)
+        self.assertTrue(match_results[0])
+        self.assertTrue(match_results[1])
+        self.assertFalse(match_results[2])
 
     def test_command_line_interface(self):
         target_string = '--help  Show this message and exit.'

tox.ini

@@ -0,0 +1,28 @@
+[tox]
+envlist =
+    py27
+    py34
+    py35
+    py36
+    flake8
+
+
+[travis]
+python =
+    2.7: py27, flake8
+    3.4: py34, flake8
+    3.5: py35, flake8
+    3.6: py36, flake8
+
+
+[testenv]
+commands =
+    python setup.py test
+
+
+[testenv:flake8]
+deps =
+    flake8
+
+commands =
+    flake8