[checkoutlinesufo_test] Remove overlap test case

Tests/checkoutlinesufo_test.py

@@ -1,11 +1,35 @@
 from __future__ import print_function, division, absolute_import
 
+import os
+import pytest
+from shutil import copytree
+import tempfile
+
 from booleanOperations.booleanGlyph import BooleanGlyph
 from defcon import Glyph
 
 from afdko.Tools.SharedData.FDKScripts.CheckOutlinesUFO import (
     remove_tiny_sub_paths)
 
+from .runner import main as runner
+from .differ import main as differ
+
+TOOL = 'checkoutlinesufo'
+CMD = ['-t', TOOL]
+
+UFO2_NAME = 'ufo2.ufo'
+UFO3_NAME = 'ufo3.ufo'
+
+data_dir_path = os.path.join(os.path.split(__file__)[0], TOOL + '_data')
+
+
+def _get_expected_path(file_name):
+    return os.path.join(data_dir_path, 'expected_output', file_name)
+
+
+def _get_input_path(file_name):
+    return os.path.join(data_dir_path, 'input', file_name)
+
 
 # -----
 # Tests
@@ -37,3 +61,17 @@ def test_remove_tiny_sub_paths_small_contour():
     assert remove_tiny_sub_paths(bg, 25, []) == \
         ['Contour 0 is too small: bounding box is less than minimum area. '
          'Start point: ((1, 1)).']
+
+
+@pytest.mark.parametrize('ufo_filename', [UFO2_NAME, UFO3_NAME])
+@pytest.mark.parametrize('args, expct_label', [
+    (['e', 'w', 'q'], 'dflt-layer.ufo'),
+    (['e', 'q'], 'proc-layer.ufo'),
+])
+def test_remove_overlap(args, ufo_filename, expct_label):
+    actual_path = os.path.join(tempfile.mkdtemp(), ufo_filename)
+    copytree(_get_input_path(ufo_filename), actual_path)
+    runner(CMD + ['-n', '-f', actual_path, '-o'] + args)
+    expct_filename = '{}-{}'.format(ufo_filename[:-4], expct_label)
+    expected_path = _get_expected_path(expct_filename)
+    assert differ([expected_path, actual_path])