Remove Windows-specific reference files. (#94)

* Additional assertions about filepaths that are generated during testing.

Signed-off-by: Eric Matthes <eric@Erics-Mac-Studio.local>

* Remove Windows-specific test files.

Signed-off-by: Eric Matthes <eric@Erics-Mac-Studio.local>

* Use Black formatting conventions.

Signed-off-by: Eric Matthes <eric@Erics-Mac-Studio.local>

---------

Signed-off-by: Eric Matthes <eric@Erics-Mac-Studio.local>
Co-authored-by: Eric Matthes <eric@Erics-Mac-Studio.local>

Author: ehmatthes

tests/e2e_tests/reference_files/git-sim-log_windows.png

@@ -23,6 +23,7 @@ def test_log(tmp_repo):
     fp_generated = Path(output.stdout.decode().strip())
     fp_reference = Path(__file__).parent / "reference_files/git-sim-log.png"
 
+    assert "git-sim-log" in str(fp_generated)
     assert compare_images(fp_generated, fp_reference)
 
 
@@ -37,6 +38,7 @@ def test_status(tmp_repo):
     fp_generated = Path(output.stdout.decode().strip())
     fp_reference = Path(__file__).parent / "reference_files/git-sim-status.png"
 
+    assert "git-sim-status" in str(fp_generated)
     assert compare_images(fp_generated, fp_reference)
 
 
@@ -51,4 +53,5 @@ def test_merge(tmp_repo):
     fp_generated = Path(output.stdout.decode().strip())
     fp_reference = Path(__file__).parent / "reference_files/git-sim-merge.png"
 
+    assert "git-sim-merge" in str(fp_generated)
     assert compare_images(fp_generated, fp_reference)

tests/e2e_tests/reference_files/git-sim-merge_windows.png

@@ -16,9 +16,9 @@ def compare_images(path_gen, path_ref):
     Parameters: file path to generated and reference image files
     Returns: True/ False
     """
-    if os.name == "nt":
-        # Use Windows-specific reference files.
-        path_ref = path_ref.with_name(path_ref.stem + "_windows" + path_ref.suffix)
+    # Verify that the path to the generated file exists.
+    assert ".png" in str(path_gen)
+    assert path_gen.exists()
 
     img_gen = Image.open(path_gen)
     img_ref = Image.open(path_ref)