tests: Fix linting and tests.

pywal/export_colors.py

@@ -31,13 +31,14 @@ def export_all_templates(colors, template_dir=None, output_dir=CACHE_DIR):
     """Export all template files."""
 
     # Add the template dir to module path.
-    template_dir = template_dir or os.path.join(os.path.dirname(__file__), "templates")
+    template_dir = template_dir or \
+        os.path.join(os.path.dirname(__file__), "templates")
 
     # Merge all colors (specials and normals) into one dict so we can access
     # their values simpler.
-    all_colors = dict()
-    for v in colors.values():
-        all_colors.update(v)
+    all_colors = {}
+    # pylint: disable=W0106
+    [all_colors.update(value) for value in colors.values()]
 
     # Turn all those colors into util.Color instances for accessing the
     # .hex and .rgb formats

pywal/util.py

@@ -7,6 +7,21 @@ import pathlib
 import subprocess
 
 
+# pylint: disable=too-few-public-methods
+class Color(object):
+    """Color formats."""
+    def __init__(self, hex_color):
+        self.hex_color = hex_color
+
+    def __str__(self):
+        return self.hex_color
+
+    @property
+    def rgb(self):
+        """Convert a hex color to rgb."""
+        return hex_to_rgb(self.hex_color)
+
+
 def read_file(input_file):
     """Read colors from a file."""
     with open(input_file) as file:
@@ -51,14 +66,3 @@ def disown(*cmd):
                      stdout=subprocess.DEVNULL,
                      stderr=subprocess.DEVNULL,
                      preexec_fn=os.setpgrp)
-
-class Color(object):
-    def __init__(self, hex):
-        self.hex = hex
-
-    def __str__(self):
-        return self.hex
-
-    @property
-    def rgb(self):
-        return hex_to_rgb(self.hex)

tests/test_export_colors.py

@@ -20,13 +20,16 @@ class TestExportColors(unittest.TestCase):
         COLORS["colors"].update(COLORS["special"])
 
         output_dir = pathlib.Path("/tmp")
-        export_colors.export_all_templates(COLORS, pathlib.Path("tests/test_files/templates"), output_dir)
+        template_dir = pathlib.Path("tests/test_files/templates")
+        export_colors.export_all_templates(COLORS, template_dir, output_dir)
 
         result = pathlib.Path("/tmp/test_template").is_file()
         self.assertTrue(result)
 
         content = pathlib.Path("/tmp/test_template").read_text()
-        self.assertEqual(content, '\n'.join(["test1 #3A5130", "test2 #3A5130", "test3 58,81,48", ""]))
+        self.assertEqual(content, '\n'.join(["test1 #3A5130",
+                                             "test2 #3A5130",
+                                             "test3 58,81,48", ""]))
 
 
 if __name__ == "__main__":