tests: Test args

pywal/__main__.py

@@ -24,7 +24,7 @@ from . import util
 from . import wallpaper
 
 
-def get_args():
+def get_args(args):
     """Get the script arguments."""
     description = "wal - Generate colorschemes on the fly"
     arg = argparse.ArgumentParser(description=description)
@@ -62,7 +62,7 @@ def get_args():
     arg.add_argument("-v", action="store_true",
                      help="Print \"wal\" version.")
 
-    return arg.parse_args()
+    return arg.parse_args(args)
 
 
 def process_args(args):
@@ -115,7 +115,7 @@ def process_args(args):
 
 def main():
     """Main script function."""
-    args = get_args()
+    args = get_args(sys.argv[1:])
     process_args(args)
 
     # This saves 10ms.

tests/test_main.py

@@ -0,0 +1,37 @@
+"""Test __main__ functions."""
+import unittest
+from pywal import __main__
+
+
+class TestMain(unittest.TestCase):
+    """Test the gen_colors functions."""
+
+    def test_no_args(self):
+        """> Generate a colorscheme and fail."""
+        with self.assertRaises(SystemExit):
+            args = __main__.get_args([""])
+            __main__.process_args(args)
+
+    def test_conflict(self):
+        """> Test arg parsing (-i, -f)"""
+        with self.assertRaises(SystemExit):
+            args = __main__.get_args(["-i", "-f"])
+            __main__.process_args(args)
+
+    def test_version(self):
+        """> Test arg parsing (-v)"""
+        args = __main__.get_args(["-v"])
+        self.assertTrue(args.v)
+
+    def test_quiet(self):
+        """> Test arg parsing (-q)"""
+        args = __main__.get_args(["-q"])
+        self.assertTrue(args.q)
+
+    def test_ext_script(self):
+        """> Test arg parsing (-o)"""
+        args = __main__.get_args(["-o", "true"])
+        self.assertTrue(args.o)
+
+if __name__ == "__main__":
+    unittest.main()