Remove Pillow dependency from tests (#27)

Author: Pr0Ger

test-requirements.txt

@@ -1,6 +1,4 @@
 pytest==2.9.1
 responses==0.5.1
 mock>=2.0
-Pillow==6.2.0
 flake8
-

tests/test_util.py

@@ -115,16 +115,16 @@ def function_that_takes_theme_params(logo=None, color=''):
 
 
 def test_process_theme_params_right_path():
-    with get_temporary_logo() as path_to_logo:
-        with open(path_to_logo, 'rb') as logo:
-            encoded_logo = base64.b64encode(logo.read())
+    path_to_logo = get_temporary_logo()
+    with open(path_to_logo, 'rb') as logo:
+        encoded_logo = base64.b64encode(logo.read())
 
-            @process_theme_params
-            def function_that_takes_theme_params(logo=None, color=''):
-                assert logo == encoded_logo
-                assert color == '#eeff00'
+        @process_theme_params
+        def function_that_takes_theme_params(logo=None, color=''):
+            assert logo == encoded_logo
+            assert color == '#eeff00'
 
-        function_that_takes_theme_params(logo=path_to_logo, color='eeff00')
+    function_that_takes_theme_params(logo=path_to_logo, color='eeff00')
 
 
 def test_process_theme_params_logo_from_txt():
@@ -142,14 +142,14 @@ def test_process_theme_params_logo_from_url():
     responses.add(responses.HEAD,
                   'http://somehost.no/rand_logo.png',
                   status=200)
-    with get_temporary_logo() as path:
-        with open(path, 'rb') as logo:
-            responses.add(responses.GET,
-                          'http://somehost.no/rand_logo.png',
-                          content_type='image/png',
-                          stream=True,
-                          body=logo.read(),
-                          status=200)
+    path = get_temporary_logo()
+    with open(path, 'rb') as logo:
+        responses.add(responses.GET,
+                      'http://somehost.no/rand_logo.png',
+                      content_type='image/png',
+                      stream=True,
+                      body=logo.read(),
+                      status=200)
 
     @process_theme_params
     def function_that_takes_theme_params(logo=None, color=''):

tests/util/logo.jpg

@@ -1,25 +1,11 @@
 import os
-
 from contextlib import contextmanager
-from random import randint
-from PIL import Image
 
 from tests.util.params import LOGO_BASE64
 
 
-@contextmanager
 def get_temporary_logo():
-    path_to_logo = os.path.join(os.path.abspath('.'),
-                                'tests/util/temp_logo.png')
-    try:
-        image = Image.new("RGBA", (16, 16), (randint(1, 100),
-                                             randint(1, 100),
-                                             randint(1, 100),
-                                             randint(1, 100)))
-        image.save(path_to_logo)
-        yield path_to_logo
-    finally:
-        os.remove(path_to_logo)
+    return os.path.join(os.path.dirname(__file__), 'logo.jpg')
 
 
 @contextmanager