Gc: Move old unittest gc tests to pytest

tests/func/test_cli.py

@@ -6,7 +6,6 @@ from dvc.commands.add import CmdAdd
 from dvc.commands.checkout import CmdCheckout
 from dvc.commands.config import CmdConfig
 from dvc.commands.data_sync import CmdDataPull, CmdDataPush
-from dvc.commands.gc import CmdGC
 from dvc.commands.init import CmdInit
 from dvc.commands.remove import CmdRemove
 from dvc.commands.repro import CmdRepro
@@ -144,27 +143,6 @@ class TestAdd(TestDvc):
         cmd.repo.close()
 
 
-class TestGC(TestDvc):
-    def test(self):
-        args = parse_args(["gc"])
-        cmd = args.func(args)
-        self.assertIsInstance(cmd, CmdGC)
-
-        cmd.repo.close()
-
-
-class TestGCMultipleDvcRepos(TestDvc):
-    def test(self):
-        args = parse_args(["gc", "-p", "/tmp/asdf", "/tmp/xyz"])
-
-        cmd = args.func(args)
-        self.assertIsInstance(cmd, CmdGC)
-
-        self.assertEqual(args.repos, ["/tmp/asdf", "/tmp/xyz"])
-
-        cmd.repo.close()
-
-
 class TestConfig(TestDvc):
     def test(self):
         name = "section.option"

tests/unit/command/test_gc.py

@@ -0,0 +1,51 @@
+import pytest
+
+from dvc.cli import parse_args
+from dvc.commands.gc import CmdGC
+from dvc.exceptions import InvalidArgumentError
+
+
+def test_(dvc, scm, mocker):
+    cli_args = parse_args(
+        [
+            "gc",
+            "--workspace",
+            "--all-tags",
+            "--all-branches",
+            "--all-commits",
+            "--all-experiments",
+            "--cloud",
+            "--remote",
+            "origin",
+            "--force",
+            "--jobs",
+            "3",
+            "--projects",
+            "project1",
+            "project2",
+        ]
+    )
+    assert cli_args.func == CmdGC
+
+    cmd = cli_args.func(cli_args)
+    m = mocker.patch("dvc.repo.Repo.gc", return_value={})
+
+    assert cmd.run() == 0
+
+    m.assert_called_once_with(
+        workspace=True,
+        all_tags=True,
+        all_branches=True,
+        all_commits=True,
+        all_experiments=True,
+        cloud=True,
+        remote="origin",
+        force=True,
+        jobs=3,
+        repos=["project1", "project2"],
+    )
+
+    cli_args = parse_args(["gc"])
+    cmd = cli_args.func(cli_args)
+    with pytest.raises(InvalidArgumentError):
+        cmd.run()