Add test case for 'poetry build'

tests/project-pep621/pyproject.toml

@@ -2,6 +2,11 @@
 name = "project-pep621"
 dynamic = ["version"]
 
+[tool.poetry]
+# The plugin itself doesn't need this, but Poetry does:
+# https://github.com/python-poetry/poetry-core/blob/c80dcc53793316104862d2c3ac888dde3c263b08/tests/test_factory.py#L39-L42
+version = "0.0.0"
+
 [tool.poetry-dynamic-versioning]
 enable = true
 

tests/test_integration.py

@@ -18,6 +18,7 @@
 DUMMY_PYPROJECT = DUMMY / "pyproject.toml"
 
 DUMMY_PEP621 = ROOT / "tests" / "project-pep621"
+DUMMY_PEP621_DIST = DUMMY_PEP621 / "dist"
 DUMMY_PEP621_PYPROJECT = DUMMY_PEP621 / "pyproject.toml"
 
 DUMMY_VERSION = "0.0.999"
@@ -288,6 +289,20 @@ def test_pep621_with_dynamic_version():
     ).read_bytes().decode("utf-8")
 
 
+@pytest.mark.skipif("USE_PEP621" not in os.environ, reason="Requires Poetry with PEP-621 support")
+def test_pep621_with_dynamic_version_and_cleanup():
+    version = dunamai.Version.from_git().serialize()
+
+    run("poetry build", where=DUMMY_PEP621)
+    assert 'version = "0.0.0"' in DUMMY_PEP621_PYPROJECT.read_bytes().decode("utf-8")
+    assert '__version__ = "0.0.0"' in (
+        DUMMY_PEP621 / "project_pep621" / "__init__.py"
+    ).read_bytes().decode("utf-8")
+
+    artifact = next(DUMMY_PEP621_DIST.glob("*.whl"))
+    assert f"-{version}-" in artifact.name
+
+
 @pytest.mark.skipif("USE_PEP621" not in os.environ, reason="Requires Poetry with PEP-621 support")
 def test_pep621_without_dynamic_version():
     data = DUMMY_PEP621_PYPROJECT.read_bytes().decode("utf-8")