refactor cli tests

tests/cli_tests/test_binarization.py

@@ -0,0 +1,58 @@
+import pytest
+from PIL import Image
+from eynollah.cli import (
+    binarization as binarization_cli,
+)
+from ocrd_modelfactory import page_from_file
+from ocrd_models.constants import NAMESPACES as NS
+
+@pytest.mark.parametrize(
+    "options",
+    [
+            [], # defaults
+            ["--no-patches"],
+    ], ids=str)
+def test_run_eynollah_binarization_filename(
+    tmp_path,
+    run_eynollah_ok_and_check_logs,
+    tests_dir,
+    options,
+):
+    infile = tests_dir.joinpath('resources/kant_aufklaerung_1784_0020.tif')
+    outfile = tmp_path.joinpath('kant_aufklaerung_1784_0020.png')
+    run_eynollah_ok_and_check_logs(
+        binarization_cli,
+        [
+            '-i', str(infile),
+            '-o', str(outfile),
+        ] + options,
+        [
+            'Predicting'
+        ]
+    )
+    assert outfile.exists()
+    with Image.open(infile) as original_img:
+        original_size = original_img.size
+    with Image.open(outfile) as binarized_img:
+        binarized_size = binarized_img.size
+    assert original_size == binarized_size
+
+def test_run_eynollah_binarization_directory(
+    tmp_path,
+    run_eynollah_ok_and_check_logs,
+    resources_dir,
+    image_resources,
+):
+    outdir = tmp_path
+    run_eynollah_ok_and_check_logs(
+        binarization_cli,
+        [
+            '-di', str(resources_dir),
+            '-o', str(outdir),
+        ],
+        [
+            f'Predicting {image_resources[0].name}',
+            f'Predicting {image_resources[1].name}',
+        ]
+    )
+    assert len(list(outdir.iterdir())) == 2