1 files changed, 40 insertions, 0 deletions
diff --git a/tests/test_lib_svg_svg.py b/tests/test_lib_svg_svg.py
new file mode 100644
index 00000000..1d873fb2
--- /dev/null
+++ b/tests/test_lib_svg_svg.py
@@ -0,0 +1,40 @@
+from lib.svg.svg import point_upwards
+
+from inkex import Rectangle, Transform, PathElement
+from inkex.tester import TestCase
+from inkex.tester.svg import svg
+
+
+class LibSvgSvgTest(TestCase):
+    def test_point_upwards(self):
+        root = svg()
+        rect = root.add(Rectangle(attrib={
+            "width": "10",
+            "height": "10",
+            "x": "10",
+            "y": "20"
+        }))
+        rect.transform = Transform().add_rotate(-45)
+
+        point_upwards(rect)
+
+        self.assertTransformEqual(
+            rect.transform,
+            Transform().add_translate(Transform().add_rotate(-45).apply_to_point((10, 20))),
+            4
+        )
+
+    def test_point_upwards_mirrored(self):
+        root = svg()
+        rect = root.add(PathElement(attrib={
+            "d": "M 0,0 L 10,0 0,5 Z",
+        }))
+        rect.transform = Transform().add_rotate(-45).add_scale(-1, 1)
+
+        point_upwards(rect)
+
+        self.assertTransformEqual(
+            rect.transform,
+            Transform(),
+            4
+        )