Alternative query integral image

test/test_hits.py

@@ -0,0 +1,30 @@
+import pytest
+import numpy as np
+from wordcloud.query_integral_image import test_c_search_for_space as c_search_for_space
+
+
+shape_x = 100
+shape_y = 100
+
+
+@pytest.fixture
+def integral_image():
+    return np.zeros((shape_x, shape_y), dtype=np.uint32)
+
+
+# Add any additional tests here using the format:
+# ('test_name', {'word_x':val, 'word_y': val, 'expected_hits': val})
+# they will be collected by the fixture function
+_test_hit_parameters = [('small word', {'word_x': 10, 'word_y': 10, 'expected_hits': 8100}),
+                        ('maximum sized word', {'word_x': shape_x - 1, 'word_y': shape_y - 1, 'expected_hits': 1}),
+                        ('oversized word', {'word_x': shape_x + 1, 'word_y': shape_y + 1, 'expected_hits': 0})]
+
+
+@pytest.fixture(params=[p[1] for p in _test_hit_parameters], ids=[p[0] for p in _test_hit_parameters])
+def test_hit_parameters(request):
+    return request.param
+
+
+def test_hits_equals_expected(integral_image, test_hit_parameters):
+    value = c_search_for_space(integral_image, test_hit_parameters['word_x'], test_hit_parameters['word_y'])
+    assert value == test_hit_parameters['expected_hits']

test/test_wordcloud_cli.py

@@ -149,7 +149,12 @@ def test_cli_regexp_invalid(tmp_text_file, capsys):
 @pytest.mark.parametrize("command,expected_output, expected_exit_code", [
     ("wordcloud_cli --help", "usage: wordcloud_cli", 0),
     ("python -m wordcloud --help", "usage: __main__", 0),
-    ("python %s/../wordcloud/wordcloud_cli.py --help" % os.path.dirname(__file__), "To execute the CLI", 1),
+    ("python" + os.path.join(
+        "%s",
+        "..",
+        "wordcloud",
+        "wordcloud_cli.py --help"
+    ) % os.path.dirname(__file__), "To execute the CLI", 1),
 ])
 def test_cli_as_executable(command, expected_output, expected_exit_code, tmpdir, capfd, no_cover_compat):