Add tests for list-codepends

tests/test_cmd_list_codepends.py

@@ -0,0 +1,104 @@
+from typer.testing import CliRunner
+
+from manifestoo.commands.list_codepends import list_codepends_command
+from manifestoo.main import app
+
+from .common import mock_addons_selection, mock_addons_set, populate_addons_dir
+
+
+def test_basic():
+    addons_set = mock_addons_set(
+        {
+            "a": {"depends": ["b"]},
+            "b": {},
+        }
+    )
+    addons_selection = mock_addons_selection("b")
+    assert list_codepends_command(
+        addons_selection, addons_set, transitive=False, include_selected=False
+    ) == {"a"}
+
+
+def test_transitive():
+    addons_set = mock_addons_set(
+        {
+            "a": {"depends": ["b"]},
+            "b": {"depends": ["c"]},
+            "c": {},
+        }
+    )
+    addons_selection = mock_addons_selection("c")
+    assert list_codepends_command(
+        addons_selection, addons_set, transitive=False, include_selected=False
+    ) == {"b"}
+    assert list_codepends_command(
+        addons_selection, addons_set, transitive=True, include_selected=False
+    ) == {"b", "a"}
+
+
+def test_loop():
+    addons_set = mock_addons_set(
+        {
+            "a": {"depends": ["b"]},
+            "b": {"depends": ["c"]},
+            "c": {"depends": ["a"]},
+        }
+    )
+    addons_selection = mock_addons_selection("a")
+    assert list_codepends_command(
+        addons_selection, addons_set, transitive=False, include_selected=False
+    ) == {"c"}
+    assert list_codepends_command(
+        addons_selection, addons_set, transitive=True, include_selected=False
+    ) == {"b", "c"}
+    assert list_codepends_command(
+        addons_selection, addons_set, transitive=True, include_selected=True
+    ) == {"a", "b", "c"}
+
+
+def test_include_selected_not_included():
+    """Dependencies that are part of the selection are not returned."""
+    addons_set = mock_addons_set(
+        {
+            "a": {"depends": ["b"]},
+            "b": {},
+        }
+    )
+    addons_selection = mock_addons_selection("a,b")
+    assert (
+        list_codepends_command(addons_selection, addons_set, include_selected=False)
+        == set()
+    )
+
+
+def test_include_selected():
+    addons_set = mock_addons_set(
+        {
+            "a": {"depends": ["b"]},
+            "b": {},
+        }
+    )
+    addons_selection = mock_addons_selection("b")
+    assert list_codepends_command(
+        addons_selection, addons_set, include_selected=False
+    ) == {"a"}
+    assert list_codepends_command(
+        addons_selection, addons_set, include_selected=True
+    ) == {"a", "b"}
+
+
+def test_integration(tmp_path):
+    addons = {
+        "a": {"depends": ["b"]},
+        "b": {},
+    }
+    populate_addons_dir(tmp_path, addons)
+    runner = CliRunner(mix_stderr=False)
+    result = runner.invoke(
+        app,
+        [f"--addons-path={tmp_path}", "--select-include", "a", "list-codepends"],
+        catch_exceptions=False,
+    )
+    assert not result.exception
+    assert result.exit_code == 0, result.stderr
+    assert result.stdout == "a\n"