Format assert

tests/test_cli.py

@@ -122,7 +122,7 @@ def test_main():
             expected = ""
             with open(test.golden_log) as file:
                 expected = file.read()
-            assert output == expected
+            assert output == expected, f"Expected:\n{expected}\nGot:\n{output}"
 
         # Compare hash of pixelated file
         pix_hash = hash_file(os.path.join(output_dir, "2.pixelated.jpg"))
@@ -133,7 +133,7 @@ def test_main():
             expected = ""
             with open(test.golden_pixelated) as file:
                 expected = file.read()
-            assert pix_hash == expected
+            assert pix_hash == expected, f"Expected: {expected}, Got: {pix_hash}"
 
         # Compare hash of output file
         out_hash = hash_file(os.path.join(output_dir, "3.output.jpg"))
@@ -144,7 +144,7 @@ def test_main():
             expected = ""
             with open(test.golden_output) as file:
                 expected = file.read()
-            assert out_hash == expected
+            assert out_hash == expected, f"Expected: {expected}, Got: {out_hash}"
 
         # Compare bricklink export
         bricklink = ""
@@ -157,7 +157,7 @@ def test_main():
             expected = ""
             with open(test.golden_bricklink) as file:
                 expected = file.read()
-            assert bricklink == expected
+            assert bricklink == expected, f"Expected:\n{expected}\nGot:\n{bricklink}"
 
 
 if __name__ == "__main__":