1 files changed, 21 insertions, 0 deletions
diff --git a/share/extensions/tests/test_inkex_tween.py b/share/extensions/tests/test_inkex_tween.py
new file mode 100644
index 0000000..7b48f7f
--- /dev/null
+++ b/share/extensions/tests/test_inkex_tween.py
@@ -0,0 +1,21 @@
+# coding=utf-8
+"""Test units inkex module functionality"""
+from inkex.tester import TestCase
+
+import inkex
+import inkex.tween as tween
+import pytest
+
+class TweenTest(TestCase):
+    """Unit tests for the Inkscape inkex tween library"""
+    black = inkex.Color('#000000')
+    grey50 = inkex.Color('#080808')
+    white = inkex.Color('#111111')
+
+    def test_interpcoord(self):
+        val = tween.interpcoord(0, 1, 0.5)
+        assert val == pytest.approx(0.5, 1e-3)
+
+    def test_interppoints(self):
+        val = tween.interppoints((0,0), (1,1), 0.5)
+        assert val == pytest.approx((0.5, 0.5), (1e-3, 1e-3))