Create test_shape.py

DataAnnotation/labelme/tests/labelme_tests/utils_tests/test_shape.py

+from .util import get_img_and_data
+
+from labelme.utils import shape as shape_module
+
+
+def test_shapes_to_label():
+    img, data = get_img_and_data()
+    label_name_to_value = {}
+    for shape in data['shapes']:
+        label_name = shape['label']
+        label_value = len(label_name_to_value)
+        label_name_to_value[label_name] = label_value
+    cls = shape_module.shapes_to_label(
+        img.shape, data['shapes'], label_name_to_value)
+    assert cls.shape == img.shape[:2]
+
+
+def test_shape_to_mask():
+    img, data = get_img_and_data()
+    for shape in data['shapes']:
+        points = shape['points']
+        mask = shape_module.shape_to_mask(img.shape[:2], points)
+        assert mask.shape == img.shape[:2]