TST: test the use of a custom meson.py script

tests/packages/vendored-meson/extra/pure.py

@@ -0,0 +1,6 @@
+# SPDX-FileCopyrightText: 2023 The meson-python developers
+#
+# SPDX-License-Identifier: MIT
+
+def foo():
+    return 'bar'

tests/packages/vendored-meson/meson.build

@@ -0,0 +1,13 @@
+# SPDX-FileCopyrightText: 2023 The meson-python developers
+#
+# SPDX-License-Identifier: MIT
+
+project('vendored-meson', version: '1.0.0')
+
+py = import('python').find_installation()
+
+py.install_sources('pure.py')
+
+if get_option('custom-cli-used')
+    py.install_sources('extra/pure.py', subdir: 'extra')
+endif

tests/packages/vendored-meson/meson_options.txt

@@ -0,0 +1,5 @@
+# SPDX-FileCopyrightText: 2023 The meson-python developers
+#
+# SPDX-License-Identifier: MIT
+
+option('custom-cli-used', type: 'boolean', value: false)

tests/packages/vendored-meson/pure.py

@@ -0,0 +1,6 @@
+# SPDX-FileCopyrightText: 2023 The meson-python developers
+#
+# SPDX-License-Identifier: MIT
+
+def foo():
+    return 'bar'

tests/packages/vendored-meson/pyproject.toml

@@ -0,0 +1,10 @@
+# SPDX-FileCopyrightText: 2023 The meson-python developers
+#
+# SPDX-License-Identifier: MIT
+
+[build-system]
+build-backend = 'mesonpy'
+requires = ['meson-python']
+
+[tool.meson-python]
+cli = 'third-party/meson.py'

tests/packages/vendored-meson/third-party/meson.py

@@ -0,0 +1,16 @@
+# SPDX-FileCopyrightText: 2023 The meson-python developers
+#
+# SPDX-License-Identifier: MIT
+
+import sys
+import pathlib
+
+from mesonbuild import mesonmain
+
+
+if 'setup' in sys.argv:
+    sys.argv.append('-Dcustom-cli-used=true')
+
+
+if __name__ == '__main__':
+    sys.exit(mesonmain.main())

tests/test_wheel.py

@@ -333,3 +333,15 @@ def test_install_subdir(wheel_install_subdir):
             'nested/deep/deep.py',
             'nested/nested.py',
         }
+
+
+def test_vendored_meson(wheel_vendored_meson):
+    artifact = wheel.wheelfile.WheelFile(wheel_vendored_meson)
+
+    assert wheel_contents(artifact) == {
+        'vendored_meson-1.0.0.dist-info/METADATA',
+        'vendored_meson-1.0.0.dist-info/RECORD',
+        'vendored_meson-1.0.0.dist-info/WHEEL',
+        'pure.py',
+        'extra/pure.py',
+    }