refactor cli tests

tests/cli_tests/test_enhance.py

@@ -0,0 +1,57 @@
+import pytest
+from PIL import Image
+from eynollah.cli import (
+    enhancement as enhancement_cli,
+)
+from ocrd_modelfactory import page_from_file
+from ocrd_models.constants import NAMESPACES as NS
+
+@pytest.mark.parametrize(
+    "options",
+    [
+            [], # defaults
+            ["-sos"],
+    ], ids=str)
+def test_run_eynollah_enhancement_filename(
+    tmp_path,
+    resources_dir,
+    run_eynollah_ok_and_check_logs,
+    options,
+):
+    infile = resources_dir / 'kant_aufklaerung_1784_0020.tif'
+    outfile = tmp_path.joinpath('kant_aufklaerung_1784_0020.png')
+    run_eynollah_ok_and_check_logs(
+        enhancement_cli,
+        [
+            '-i', str(infile),
+            '-o', str(outfile.parent),
+        ] + options,
+        [
+            'Image was enhanced',
+        ]
+    )
+    with Image.open(infile) as original_img:
+        original_size = original_img.size
+    with Image.open(outfile) as enhanced_img:
+        enhanced_size = enhanced_img.size
+    assert (original_size == enhanced_size) == ("-sos" in options)
+
+def test_run_eynollah_enhancement_directory(
+    tmp_path,
+    resources_dir,
+    image_resources,
+    run_eynollah_ok_and_check_logs,
+):
+    outdir = tmp_path
+    run_eynollah_ok_and_check_logs(
+        enhancement_cli,
+        [
+            '-di', str(resources_dir),
+            '-o', str(outdir),
+        ],
+        [
+            f'Image {image_resources[0]} was enhanced',
+            f'Image {image_resources[1]} was enhanced',
+        ]
+    )
+    assert len(list(outdir.iterdir())) == 2