test: separatly test inspect image

Author: natthan-pigoux

tests/test_singularity.py

@@ -1,6 +1,7 @@
 """Tests to find local Singularity image."""
 
 import shutil
+import subprocess
 from pathlib import Path
 
 import pytest
@@ -164,8 +165,6 @@ def test_singularity3_docker_image_id_in_tool(tmp_path: Path) -> None:
 
 @needs_singularity
 def test_singularity_local_sandbox_image(tmp_path: Path):
-    import subprocess
-
     workdir = tmp_path / "working_dir"
     workdir.mkdir()
     with working_directory(workdir):
@@ -182,10 +181,6 @@ def test_singularity_local_sandbox_image(tmp_path: Path):
 
         build = subprocess.run(cmd, capture_output=True, text=True)
         if build.returncode == 0:
-            # Verify the path is a container image
-            res_inspect = _inspect_singularity_image(container_path / "alpine")
-            assert res_inspect is True
-
             result_code, stdout, stderr = get_main_output(
                 [
                     "--singularity",
@@ -198,3 +193,28 @@ def test_singularity_local_sandbox_image(tmp_path: Path):
             assert result_code == 0
         else:
             pytest.skip(f"Failed to build the singularity image: {build.stderr}")
+
+
+@needs_singularity
+def test_singularity_inspect_image(tmp_path: Path):
+    workdir = tmp_path / "working_dir"
+    workdir.mkdir()
+    with working_directory(workdir):
+        # build a sandbox image
+        repo_path = Path(f"{workdir}/container_repo/")
+        image_path = repo_path / "alpine"
+        res_inspect = _inspect_singularity_image(image_path)
+        assert res_inspect is False
+        repo_path.mkdir()
+        cmd = [
+            "singularity",
+            "build",
+            "--sandbox",
+            image_path,
+            "docker://alpine:latest",
+        ]
+    build = subprocess.run(cmd, capture_output=True, text=True)
+    if build.returncode == 0:
+        # Verify the path is a container image
+        res_inspect = _inspect_singularity_image(image_path)
+        assert res_inspect is True