add test for h5ad metadata

test/unit/data/datatypes/test_h5ad_metadata.py

@@ -0,0 +1,56 @@
+# type: ignore
+from galaxy.datatypes.binary import (
+    Anndata
+)
+from .util import (
+    get_input_files,
+    MockDataset,
+)
+
+# Tests for h5ad_metadata:
+
+
+def test_h5ad_sniff():
+    with get_input_files("anndata.h5ad") as input_files:
+        assert Anndata.sniff(input_files[0]) is True
+
+
+def test_h5ad_set_meta():
+    with get_input_files("anndata.h5ad") as input_files:
+        dataset = MockDataset(1)
+        dataset.set_file_name(input_files[0])
+
+        Anndata.set_meta(dataset)
+
+        assert dataset.metadata.layers_count == "9"
+        assert dataset.metadata.layers_names == "['X', 'layers', 'obs', 'obsm', 'obsp', 'uns', 'var', 'varm', 'varp']"
+
+        assert Anndata.set_meta._layercountsize(dataset) == "['X', 'layers', 'obs', 'obsm', 'obsp', 'uns', 'var', 'varm', 'varp'], 9, 0"
+
+
+
+def test_h5ad_set_peek():
+    with get_input_files("anndata.h5ad") as input_files:
+        dataset = MockDataset(1)
+        dataset.set_file_name(input_files[0])
+        assert Anndata.display_peek(dataset) == "Peek unavailable"
+
+        Anndata.set_meta(dataset)
+        Anndata.set_peek(dataset)
+
+        assert (
+            dataset.peek
+            == """
+            [n_obs x n_vars]
+                640 x 11
+            [obs]: 2 layers
+                blobs, index
+            [var]: 1 layer
+                index
+            [obsm]: 0 layer
+
+            [varm]: 0 layer
+
+            [uns]: 0 layer
+            """
+        )