add tests for single-argument templated exceptions

Author: d-v-b

tests/test_errors.py

@@ -0,0 +1,78 @@
+"""Test errors"""
+
+from zarr.errors import (
+    ArrayNotFoundError,
+    ContainsArrayAndGroupError,
+    ContainsArrayError,
+    ContainsGroupError,
+    GroupNotFoundError,
+    MetadataValidationError,
+    NodeTypeValidationError,
+)
+
+
+def test_group_not_found_error() -> None:
+    """
+    Test that calling GroupNotFoundError with multiple arguments returns a formatted string.
+    This is deprecated behavior.
+    """
+    err = GroupNotFoundError("store", "path")
+    assert str(err) == "No group found in store 'store' at path 'path'"
+
+
+def test_array_not_found_error() -> None:
+    """
+    Test that calling ArrayNotFoundError with multiple arguments returns a formatted string.
+    This is deprecated behavior.
+    """
+    err = ArrayNotFoundError("store", "path")
+    assert str(err) == "No array found in store 'store' at path 'path'"
+
+
+def test_metadata_validation_error() -> None:
+    """
+    Test that calling MetadataValidationError with multiple arguments returns a formatted string.
+    This is deprecated behavior.
+    """
+    err = MetadataValidationError("a", "b", "c")
+    assert str(err) == "Invalid value for 'a'. Expected 'b'. Got 'c'."
+
+
+def test_contains_group_error() -> None:
+    """
+    Test that calling ContainsGroupError with multiple arguments returns a formatted string.
+    This is deprecated behavior.
+    """
+    err = ContainsGroupError("store", "path")
+    assert str(err) == "A group exists in store 'store' at path 'path'."
+
+
+def test_contains_array_error() -> None:
+    """
+    Test that calling ContainsArrayError with multiple arguments returns a formatted string.
+    This is deprecated behavior.
+    """
+    err = ContainsArrayError("store", "path")
+    assert str(err) == "An array exists in store 'store' at path 'path'."
+
+
+def test_contains_array_and_group_error() -> None:
+    """
+    Test that calling ContainsArrayAndGroupError with multiple arguments returns a formatted string.
+    This is deprecated behavior.
+    """
+    err = ContainsArrayAndGroupError("store", "path")
+    assert str(err) == (
+        "Array and group metadata documents (.zarray and .zgroup) were both found in store 'store' "
+        "at path 'path'. Only one of these files may be present in a given directory / prefix. "
+        "Remove the .zarray file, or the .zgroup file, or both."
+    )
+
+
+def test_node_type_validation_error() -> None:
+    """
+    Test that calling NodeTypeValidationError with multiple arguments returns a formatted string.
+    This is deprecated behavior.
+    """
+    err = NodeTypeValidationError("a", "b", "c")
+    assert str(err) == "Invalid value for 'a'. Expected 'b'. Got 'c'."