mirror of
https://github.com/unclebob/mutator.git
synced 2026-11-06 18:23:50 +00:00
Robert C. Martin
21d6d6f50b
Each worker keeps a private copy of the file under test and links the rest of the project, so the original tree stays put. The default is one worker per core, and --max-workers can set a lower cap.
81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
import sys
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from mutator.runner import CommandRunner, _clojure_command, _python_command, nearest
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def test_nearest_walks_up_to_the_marker(tmp_path):
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root = tmp_path / "proj"
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nested = root / "src" / "demo"
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nested.mkdir(parents=True)
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(root / "pyproject.toml").write_text("", encoding="utf-8")
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source = nested / "app.py"
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source.write_text("x = 1\n", encoding="utf-8")
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assert nearest(source, "pyproject.toml", root) == root
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assert nearest(nested, "pyproject.toml", root) == root
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assert nearest(source, "missing.toml", root) is None
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def test_clojure_commands(tmp_path):
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bb = tmp_path / "bb-spec"
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bb.mkdir()
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(bb / "bb.edn").write_text('{:tasks {spec "spec"}}', encoding="utf-8")
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assert _clojure_command(bb) == "bb spec --tag ~no-mutate"
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bb_test = tmp_path / "bb-test"
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bb_test.mkdir()
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(bb_test / "bb.edn").write_text("{:tasks {test (clojure \"-M:test\")}}", encoding="utf-8")
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assert _clojure_command(bb_test) == "bb test"
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spec = tmp_path / "spec"
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spec.mkdir()
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(spec / "deps.edn").write_text(
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"{:aliases {:spec {:extra-deps {speclj/speclj {}}}}}", encoding="utf-8"
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)
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assert _clojure_command(spec) == "clj -M:spec --tag ~no-mutate"
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spec_only = tmp_path / "spec-only"
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spec_only.mkdir()
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(spec_only / "deps.edn").write_text("{:aliases {:spec {}}}", encoding="utf-8")
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assert _clojure_command(spec_only) == "clj -M:spec"
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plain = tmp_path / "plain"
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plain.mkdir()
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(plain / "deps.edn").write_text("{:deps {}}", encoding="utf-8")
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assert _clojure_command(plain) == "clj -M:test"
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def test_python_commands(tmp_path):
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pytest_dir = tmp_path / "py"
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pytest_dir.mkdir()
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(pytest_dir / "pytest.ini").write_text("[pytest]\n", encoding="utf-8")
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assert _python_command(pytest_dir).endswith("-m pytest")
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unit = tmp_path / "unit"
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unit.mkdir()
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assert _python_command(unit).endswith("-m unittest discover")
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cfg = tmp_path / "cfg"
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cfg.mkdir()
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(cfg / "setup.cfg").write_text("[tool:pytest]\n", encoding="utf-8")
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assert _python_command(cfg).endswith("-m pytest")
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project = tmp_path / "proj"
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project.mkdir()
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(project / "pyproject.toml").write_text("[project]\ndependencies=['pytest']\n", encoding="utf-8")
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assert _python_command(project).endswith("-m pytest")
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conf = tmp_path / "conf"
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conf.mkdir()
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(conf / "conftest.py").write_text("", encoding="utf-8")
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assert _python_command(conf).endswith("-m pytest")
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def test_a_worker_overlay_is_imported_ahead_of_the_environment(tmp_path):
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worker = tmp_path / "target" / "mutation-workers" / "run-1" / "worker-0"
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(worker / "src").mkdir(parents=True)
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(worker / "src" / "demo.py").write_text("VALUE = 'worker'\n", encoding="utf-8")
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command = f"{sys.executable} -c 'import demo; print(demo.VALUE)'"
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result = CommandRunner().run(command, worker, 5)
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assert result.code == 0
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assert result.output.strip() == "worker"
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