TST: enable --fatal-meson-warnings for all tests

tests/conftest.py

@@ -192,3 +192,18 @@ def cleanenv():
     # $MACOSX_DEPLOYMENT_TARGET affects the computation of the platform tag on macOS.
     yield mpatch.delenv('MACOSX_DEPLOYMENT_TARGET', raising=False)
     mpatch.undo()
+
+
+@pytest.fixture(autouse=True, scope='session')
+def meson_fatal_warnings():
+    # Cannot use the 'monkeypatch' fixture because of scope mismatch.
+    mpatch = pytest.MonkeyPatch()
+    mesonpy_project_init = mesonpy.Project.__init__
+
+    def __init__(self, source_dir, build_dir, meson_args=None, editable_verbose=False):
+        if meson_args is None:
+            meson_args = {}
+        meson_args.setdefault('setup', []).append('--fatal-meson-warnings')
+        mesonpy_project_init(self, source_dir, build_dir, meson_args, editable_verbose)
+
+    mpatch.setattr(mesonpy.Project, '__init__', __init__)

tests/packages/limited-api/meson.build

@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
-project('limited-api', 'c', version: '1.0.0')
+project('limited-api', 'c', version: '1.0.0', meson_version: '>= 1.3')
 
 py = import('python').find_installation(pure: false)
 

tests/packages/subproject/pyproject.toml

@@ -8,10 +8,7 @@ requires = ['meson-python']
 
 [tool.meson-python.wheel]
 exclude = [
-    # Meson before version 1.3.0 install data files in
-    # ``{datadir}/{project name}/``, later versions install
-    # in the more correct ``{datadir}/{subproject name}/``.
-    '{datadir}/*/data.txt',
+    '{datadir}/sub/*.txt',
     '{py_purelib}/dep.*',
 ]
 include = [

tests/packages/subproject/subprojects/dep/meson.build

@@ -8,4 +8,4 @@ py = import('python').find_installation()
 
 py.install_sources('dep.py')
 
-install_data('data.txt')
+install_data('data.txt', install_dir: 'dep')

tests/test_project.py

@@ -399,7 +399,7 @@ def test_ios_project(package_simple, monkeypatch, multiarch, tmp_path):
     project = mesonpy.Project(source_dir=package_simple, build_dir=tmp_path)
 
     # Meson configuration points at the cross file
-    assert project._meson_args['setup'] == ['--cross-file', os.fspath(tmp_path / 'meson-python-cross-file.ini')]
+    assert project._meson_args['setup'][-2:] == ['--cross-file', os.fspath(tmp_path / 'meson-python-cross-file.ini')]
 
     # Meson config files exist, and have some relevant keys
     assert (tmp_path / 'meson-python-native-file.ini').exists()