add test for pathops.operations.intersection

fonttools · Mar 28, 2020 · 0738b38 · 0738b38
1 parent e25ed0e
commit 0738b38
Showing 1 changed file with 45 additions and 0 deletions.
diff --git a/tests/operations_test.py b/tests/operations_test.py
@@ -0,0 +1,45 @@
+from pathops import Path, PathVerb
+from pathops.operations import union, difference, intersection, reverse_difference, xor
+import pytest
+
+
+@pytest.mark.parametrize(
+    "subject_path, clip_path, expected",
+    [
+        [
+            [
+                (PathVerb.MOVE, ((0, 0),)),
+                (PathVerb.LINE, ((0, 10),)),
+                (PathVerb.LINE, ((10, 10),)),
+                (PathVerb.LINE, ((10, 0),)),
+                (PathVerb.CLOSE, ()),
+            ],
+            [
+                (PathVerb.MOVE, ((5, 5),)),
+                (PathVerb.LINE, ((5, 15),)),
+                (PathVerb.LINE, ((15, 15),)),
+                (PathVerb.LINE, ((15, 5),)),
+                (PathVerb.CLOSE, ()),
+            ],
+            [
+                (PathVerb.MOVE, ((5, 5),)),
+                (PathVerb.LINE, ((10, 5),)),
+                (PathVerb.LINE, ((10, 10),)),
+                (PathVerb.LINE, ((5, 10),)),
+                (PathVerb.CLOSE, ()),
+            ],
+        ]
+    ],
+)
+def test_intersection(subject_path, clip_path, expected):
+    sub = Path()
+    for verb, pts in subject_path:
+        sub.add(verb, *pts)
+    clip = Path()
+    for verb, pts in clip_path:
+        clip.add(verb, *pts)
+    result = Path()
+
+    intersection([sub], [clip], result.getPen())
+
+    assert list(result) == expected