From 9fd6885d39dd28d0c9b3f3763f871418a4cd96cc Mon Sep 17 00:00:00 2001
From: FayazRahman <fayazrahman4u@gmail.com>
Date: Fri, 8 Sep 2023 16:23:44 +0530
Subject: [PATCH] test

---
 deeplake/api/tests/test_api.py | 124 +++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)

diff --git a/deeplake/api/tests/test_api.py b/deeplake/api/tests/test_api.py
index b97e31cc0b..8acba53bb1 100644
--- a/deeplake/api/tests/test_api.py
+++ b/deeplake/api/tests/test_api.py
@@ -17,6 +17,7 @@
 from deeplake.core.storage import GCSProvider
 from deeplake.util.exceptions import (
     GroupInfoNotSupportedError,
+    IncompatibleHtypeError,
     InvalidOperationError,
     SampleAppendError,
     TensorDoesNotExistError,
@@ -2907,3 +2908,126 @@ def test_tensor_extend_ignore(local_ds, lfpw_links, compression_args):
 
     # Commit should work
     ds.commit()
+
+
+def test_change_htype(local_ds_generator):
+    with local_ds_generator() as ds:
+        ds.create_tensor("images", sample_compression="jpg")
+        ds.images.extend(np.random.randint(0, 256, (10, 10, 3), dtype=np.uint8))
+
+        ds.create_tensor("labels")
+        ds.labels.extend([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
+
+        ds.create_tensor("boxes")
+        ds.boxes.extend(np.random.randn(10, 5, 4))
+
+        ds.create_tensor("boxes_3d")
+        ds.boxes_3d.extend(np.random.randn(10, 5, 8))
+
+        ds.create_tensor("embeddings")
+        ds.embeddings.extend(np.random.randn(10, 1536))
+
+        mask = np.zeros((10, 100, 100, 5), dtype=bool)
+        mask[:, :, :512, 1] = 1
+        ds.create_tensor("masks")
+        ds.masks.extend(mask)
+        ds.create_tensor("image_masks", htype="image", sample_compression=None)
+        ds.image_masks.extend(mask)
+
+        ds.create_tensor("keypoints")
+        ds.keypoints.extend(np.zeros((10, 9, 5)))
+
+        ds.create_tensor("points")
+        ds.points.extend(np.zeros((10, 5, 3)))
+
+    ds.images.htype = "image"
+    ds.labels.htype = "class_label"
+    ds.boxes.htype = "bbox"
+    ds.boxes_3d.htype = "bbox.3d"
+    ds.embeddings.htype = "embedding"
+    ds.masks.htype = "binary_mask"
+    ds.image_masks.htype = "binary_mask"
+    ds.keypoints.htype = "keypoints_coco"
+    ds.points.htype = "point"
+
+    with local_ds_generator() as ds:
+        assert ds.images.htype == "image"
+        assert ds.labels.htype == "class_label"
+        assert ds.boxes.htype == "bbox"
+        assert ds.boxes_3d.htype == "bbox.3d"
+        assert ds.embeddings.htype == "embedding"
+        assert ds.masks.htype == "binary_mask"
+        assert ds.image_masks.htype == "binary_mask"
+        assert ds.keypoints.htype == "keypoints_coco"
+        assert ds.points.htype == "point"
+
+
+def test_change_htype_fail(local_ds_generator):
+    with local_ds_generator() as ds:
+        ds.create_tensor("images")
+        ds.images.extend(np.zeros((10, 5, 5, 5, 5)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.images.htype = "image"
+
+        ds.create_tensor("images2")
+        ds.images2.extend(np.zeros((10, 5, 5, 6)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.images2.htype = "image"
+
+        ds.create_tensor("labels")
+        ds.labels.extend(np.ones((10, 5, 5)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.labels.htype = "class_label"
+
+        ds.create_tensor("boxes")
+        ds.boxes.extend(np.zeros((10, 5, 5, 2)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.boxes.htype = "bbox"
+        with pytest.raises(IncompatibleHtypeError):
+            ds.boxes.htype = "bbox.3d"
+
+        ds.create_tensor("boxes2")
+        ds.boxes2.extend(np.zeros((10, 5, 5)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.boxes2.htype = "bbox"
+        with pytest.raises(IncompatibleHtypeError):
+            ds.boxes2.htype = "bbox.3d"
+
+        ds.create_tensor("masks")
+        ds.masks.extend(np.zeros((10, 5, 5, 5, 5)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.masks.htype = "binary_mask"
+
+        ds.create_tensor("keypoints")
+        ds.keypoints.extend(np.zeros((10, 5, 5, 5)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.keypoints.htype = "keypoints_coco"
+
+        ds.create_tensor("keypoints2")
+        ds.keypoints2.extend(np.zeros((10, 10, 5)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.keypoints2.htype = "keypoints_coco"
+
+        ds.create_tensor("points")
+        ds.points.extend(np.zeros((10, 5, 5, 5)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.points.htype = "point"
+
+        ds.create_tensor("points2")
+        ds.points2.extend(np.zeros((10, 5, 5)))
+        with pytest.raises(IncompatibleHtypeError):
+            ds.points2.htype = "point"
+
+        with pytest.raises(ValueError):
+            ds.images.htype = "link[image]"
+
+        with pytest.raises(ValueError):
+            ds.images.htype = "sequence[image]"
+
+        ds.create_tensor("boxes3", htype="bbox")
+        ds.boxes3.extend(np.zeros((10, 5, 4), dtype=np.float32))
+        with pytest.raises(NotImplementedError):
+            ds.boxes3.htype = "embedding"
+
+        with pytest.raises(NotImplementedError):
+            ds.images.htype = "text"