MGG-1656 [#ccc] svgpathtools: Adding test cases to validate fixes

* Added polyline.svg and polygons_no_poits.svg to validate
  recent changes to svgpathtools

Signed-off-by: Nilam Gaikwad <[email protected]>

Author: NGExplorer

test/polygons_no_points.svg

@@ -168,6 +168,44 @@ def test_from_string(self):
 
             self.assertEqual(len(paths), 2)
 
+    def test_svg2paths_polygon_no_points(self):
+
+        paths, _ = svg2paths(join(dirname(__file__), 'polygons_no_points.svg'))
+
+        path = paths[0]
+        path_correct = Path()
+        self.assertTrue(len(path)==0)
+        self.assertTrue(path==path_correct)
+
+        path = paths[1]
+        self.assertTrue(len(path)==0)
+        self.assertTrue(path==path_correct)
+
+    def test_svg2paths_polyline_tests(self):
+
+        paths, _ = svg2paths(join(dirname(__file__), 'polyline.svg'))
+
+        path = paths[0]
+        path_correct = Path(Line(59+185j, 98+203j),
+                            Line(98+203j, 108+245j),
+                            Line(108+245j, 82+279j),
+                            Line(82+279j, 39+280j),
+                            Line(39+280j, 11+247j),
+                            Line(11+247j, 19+205j))
+        self.assertFalse(path.isclosed())
+        self.assertTrue(len(path)==6)
+        self.assertTrue(path==path_correct)
+
+        path = paths[1]
+        path_correct = Path(Line(220+50j, 267+84j),
+                            Line(267+84j, 249+140j),
+                            Line(249+140j, 190+140j),
+                            Line(190+140j, 172+84j),
+                            Line(172+84j, 220+50j))
+        self.assertTrue(path.isclosed())
+        self.assertTrue(len(path)==5)
+        self.assertTrue(path==path_correct)
+
 
 if __name__ == '__main__':
     unittest.main()