tests: add more test cases

Signed-off-by: Henry Schreiner <[email protected]>

Author: henryiii

tests/packages/metadata-2.5/LICENSE

@@ -0,0 +1,20 @@
+Copyright © 2019 Filipe Laíns <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

tests/packages/metadata-2.5/README.md

@@ -0,0 +1 @@
+some readme 👋

tests/packages/metadata-2.5/metadata25.py

@@ -0,0 +1,51 @@
+[project]
+name = 'metadata25'
+version = '3.2.1'
+description = 'A package with all the metadata :)'
+readme = 'README.md'
+license = "MIT"
+license-files = ["LICENSE"]
+keywords = ['trampolim', 'is', 'interesting']
+authors = [
+    { email = '[email protected]' },
+    { name = 'Example!' },
+]
+maintainers = [
+    { name = 'Other Example', email = '[email protected]' },
+]
+classifiers = [
+    'Development Status :: 4 - Beta',
+    'Programming Language :: Python',
+]
+
+requires-python = '>=3.8'
+dependencies = [
+    'dependency1',
+    'dependency2>1.0.0',
+    'dependency3[extra]',
+    'dependency4; os_name != "nt"',
+    'dependency5[other-extra]>1.0; os_name == "nt"',
+]
+import-names = ["metadata25"]
+
+[project.optional-dependencies]
+test = [
+    'test_dependency',
+    'test_dependency[test_extra]',
+    'test_dependency[test_extra2] > 3.0; os_name == "nt"',
+]
+
+[project.urls]
+homepage = 'example.com'
+documentation = 'readthedocs.org'
+repository = 'github.com/some/repo'
+changelog = 'github.com/some/repo/blob/master/CHANGELOG.rst'
+
+[project.scripts]
+full-metadata = 'full_metadata:main_cli'
+
+[project.gui-scripts]
+full-metadata-gui = 'full_metadata:main_gui'
+
+[project.entry-points.custom]
+full-metadata = 'full_metadata:main_custom'

tests/packages/metadata-2.5/pyproject.toml

@@ -958,6 +958,22 @@ def test_load(
             ],
             id="Four errors including extra keys",
         ),
+        pytest.param(
+            """
+                [project]
+                name = 'test'
+                version = "0.1.0"
+                import-names = ["test", "other"]
+                import-namespaces = ["other.one.two", "invalid name", "not; public"]
+            """,
+            [
+                "\"import-namespaces\" contains 'invalid name', which is not a valid identifier",
+                "\"import-namespaces\" contains an ending tag other than '; private', got 'not; public'",
+                "\"import-namespaces\" contains a Python keyword, which is not a valid import name, got 'not; public'",
+                "\"project.import-namespaces\" is missing 'other.one', but submodules are present elsewhere",
+            ],
+            id="Multiple errors related to names/namespaces",
+        ),
     ],
 )
 def test_load_multierror(
@@ -1132,6 +1148,25 @@ def test_value(after_rfc: bool, monkeypatch: pytest.MonkeyPatch) -> None:
     ]
 
 
+@pytest.mark.parametrize("after_rfc", [False, True])
+def test_value_25(after_rfc: bool, monkeypatch: pytest.MonkeyPatch) -> None:
+    monkeypatch.chdir(DIR / "packages/metadata-2.5")
+    with open("pyproject.toml", "rb") as f:
+        metadata = pyproject_metadata.StandardMetadata.from_pyproject(tomllib.load(f))
+
+    if after_rfc:
+        metadata.as_rfc822()
+
+    assert metadata.auto_metadata_version == "2.5"
+
+    assert isinstance(metadata.license, str)
+    assert metadata.license == "MIT"
+    assert metadata.license_files == [pathlib.Path("LICENSE")]
+
+    assert metadata.import_names == ["metadata25"]
+    assert metadata.import_namespaces == []
+
+
 def test_read_license(monkeypatch: pytest.MonkeyPatch) -> None:
     monkeypatch.chdir(DIR / "packages/full-metadata2")
     with open("pyproject.toml", "rb") as f: