Add an E2E test suite

e2e_tests/test_worktree_clean.py

@@ -0,0 +1,153 @@
+#!/usr/bin/env python3
+
+from helpers import *
+
+
+def test_worktree_clean():
+    with TempGitRepositoryWorktree() as base_dir:
+        cmd = grm(["wt", "add", "test", "--track", "origin/test"], cwd=base_dir)
+        assert cmd.returncode == 0
+        assert "test" in os.listdir(base_dir)
+
+        cmd = grm(["wt", "clean"], cwd=base_dir)
+        assert cmd.returncode == 0
+        assert "test" not in os.listdir(base_dir)
+
+
+def test_worktree_clean_refusal_no_tracking_branch():
+    with TempGitRepositoryWorktree() as base_dir:
+        before = checksum_directory(base_dir)
+
+        cmd = grm(["wt", "add", "test"], cwd=base_dir)
+        assert cmd.returncode == 0
+
+        before = checksum_directory(f"{base_dir}/test")
+        cmd = grm(["wt", "clean"], cwd=base_dir)
+        assert cmd.returncode == 0
+        assert "test" in os.listdir(base_dir)
+
+        after = checksum_directory(f"{base_dir}/test")
+        assert before == after
+
+
+def test_worktree_clean_refusal_uncommited_changes_new_file():
+    with TempGitRepositoryWorktree() as base_dir:
+        before = checksum_directory(base_dir)
+
+        cmd = grm(["wt", "add", "test", "--track", "origin/test"], cwd=base_dir)
+        assert cmd.returncode == 0
+
+        shell(f"cd {base_dir}/test && touch changed_file")
+
+        before = checksum_directory(f"{base_dir}/test")
+        cmd = grm(["wt", "clean"], cwd=base_dir)
+        assert cmd.returncode == 0
+        assert "test" in os.listdir(base_dir)
+
+        after = checksum_directory(f"{base_dir}/test")
+        assert before == after
+
+
+def test_worktree_clean_refusal_uncommited_changes_changed_file():
+    with TempGitRepositoryWorktree() as base_dir:
+        before = checksum_directory(base_dir)
+
+        cmd = grm(["wt", "add", "test", "--track", "origin/test"], cwd=base_dir)
+        assert cmd.returncode == 0
+
+        shell(f"cd {base_dir}/test && git ls-files | shuf | head | xargs rm -rf")
+
+        before = checksum_directory(f"{base_dir}/test")
+        cmd = grm(["wt", "clean"], cwd=base_dir)
+        assert cmd.returncode == 0
+        assert "test" in os.listdir(base_dir)
+
+        after = checksum_directory(f"{base_dir}/test")
+        assert before == after
+
+
+def test_worktree_clean_refusal_uncommited_changes_cleand_file():
+    with TempGitRepositoryWorktree() as base_dir:
+        before = checksum_directory(base_dir)
+
+        cmd = grm(["wt", "add", "test", "--track", "origin/test"], cwd=base_dir)
+        assert cmd.returncode == 0
+
+        shell(
+            f"cd {base_dir}/test && git ls-files | shuf | head | while read f ; do echo $RANDOM > $f ; done"
+        )
+
+        before = checksum_directory(f"{base_dir}/test")
+        cmd = grm(["wt", "clean"], cwd=base_dir)
+        assert cmd.returncode == 0
+        assert "test" in os.listdir(base_dir)
+
+        after = checksum_directory(f"{base_dir}/test")
+        assert before == after
+
+
+def test_worktree_clean_refusal_commited_changes():
+    with TempGitRepositoryWorktree() as base_dir:
+        before = checksum_directory(base_dir)
+
+        cmd = grm(["wt", "add", "test", "--track", "origin/test"], cwd=base_dir)
+        assert cmd.returncode == 0
+
+        shell(
+            f'cd {base_dir}/test && touch changed_file && git add changed_file && git commit -m "commitmsg"'
+        )
+
+        before = checksum_directory(f"{base_dir}/test")
+        cmd = grm(["wt", "clean"], cwd=base_dir)
+        assert cmd.returncode == 0
+        assert "test" in os.listdir(base_dir)
+
+        after = checksum_directory(f"{base_dir}/test")
+        assert before == after
+
+
+def test_worktree_clean_refusal_tracking_branch_mismatch():
+    with TempGitRepositoryWorktree() as base_dir:
+        before = checksum_directory(base_dir)
+
+        cmd = grm(["wt", "add", "test", "--track", "origin/test"], cwd=base_dir)
+        assert cmd.returncode == 0
+
+        shell(
+            f"cd {base_dir}/test && git push origin test && git reset --hard origin/test^"
+        )
+
+        before = checksum_directory(f"{base_dir}/test")
+        cmd = grm(["wt", "clean"], cwd=base_dir)
+        assert cmd.returncode == 0
+        assert "test" in os.listdir(base_dir)
+
+        after = checksum_directory(f"{base_dir}/test")
+        assert before == after
+
+
+def test_worktree_clean_fail_from_subdir():
+    with TempGitRepositoryWorktree() as base_dir:
+        cmd = grm(["wt", "add", "test"], cwd=base_dir)
+        assert cmd.returncode == 0
+
+        cmd = grm(["wt", "clean"], cwd=f"{base_dir}/test")
+        assert cmd.returncode != 0
+        assert len(cmd.stdout) == 0
+        assert len(cmd.stderr) != 0
+
+
+def test_worktree_clean_non_worktree():
+    with TempGitRepository() as git_dir:
+        cmd = grm(["wt", "clean"], cwd=git_dir)
+        assert cmd.returncode != 0
+        assert len(cmd.stdout) == 0
+        assert len(cmd.stderr) != 0
+
+
+def test_worktree_clean_non_git():
+    with NonGitDir() as base_dir:
+        cmd = grm(["wt", "clean"], cwd=base_dir)
+        assert cmd.returncode != 0
+        assert len(cmd.stdout) == 0
+        assert len(cmd.stderr) != 0