Improve test coverage

Author: pont-us

test/data/my-environment.yml

@@ -5,3 +5,4 @@ dependencies:
   - python >=3.11
   - pip:
     - ./mylocalpackage
+    - ./mylocalpackage/dist/mylocalpackage-0.0.1-py3-none-any.whl

test/test_core.py

@@ -462,3 +462,16 @@ def test_image_builder_build_dir(
 
     cwl = image_builder.create_cwl()
     assert "cwlVersion" in cwl
+
+
+def test_image_builder_nonexistent_dep(tmp_path):
+    image_builder = ImageBuilder(
+        pathlib.Path(__file__).parent / "data" / "nonexistent-build-dep.ipynb",
+        pathlib.Path(__file__).parent / "data" / "my-environment.yml",
+        tmp_path / "build",
+        None
+    )
+    with pytest.raises(ValueError):
+        image_builder.build(
+            skip_build=True, with_eoap=True, with_xcube=False
+        )

test/test_util.py

@@ -189,6 +189,12 @@ def outdir(ds_id):
         assert not catalogue_path.exists()
 
 
+def test_save_datasets_unknown_type(tmp_path):
+    with pytest.raises(TypeError):
+        # noinspection bad-argument-type
+        save_datasets({"foo": 42}, tmp_path, eoap_mode=True)
+
+
 def test_start_server():
     import xcube.core.new