chore: introduce pytest instead of unittest (#394)

luigi.cfg

@@ -0,0 +1,2 @@
+[core]
+  autoload_range: false

pyproject.toml

@@ -44,6 +44,8 @@ mypy = "*"
 types-redis = "*"
 matplotlib = "*"
 typing-extensions = "^4.11.0"
+pytest = "*"
+pytest-cov = "*"
 
 [tool.ruff]
 line-length = 160
@@ -72,3 +74,18 @@ check_untyped_defs = true
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
+
+[tool.pytest.ini_options]
+testpaths = ["test"]
+addopts = "-s -v --durations=0"
+
+[tool.coverage.run]
+branch = true
+source = ["gokart"]
+command_line = "-m pytest"
+
+[tool.coverage.report]
+show_missing = true
+
+[tool.coverage.xml]
+output = "coverage.xml"

test/test_build.py

@@ -146,7 +146,7 @@ def run(self):
 
 class TestBuildHasLockedTaskException(unittest.TestCase):
     def test_build_expo_backoff_when_luigi_failed_due_to_locked_task(self):
-        gokart.build(_FailThreeTimesAndSuccessTask(), reset_register=False, log_level=logging.INFO)
+        gokart.build(_FailThreeTimesAndSuccessTask(), reset_register=False)
 
 
 if __name__ == '__main__':

tox.ini

@@ -5,7 +5,10 @@ isolated_build = true
 [testenv]
 allowlist_externals = coverage
 skip_install = true
-commands = coverage run -m unittest discover -s test
+commands =
+    coverage run
+    coverage xml
+    coverage report
 
 [testenv:ruff]
 allowlist_externals = ruff