unittests: Add a test case for detect_cpu_family
This should help prevent regressions.
# See the License for the specific language governing permissions and
# limitations under the License.
+import contextlib
import stat
import subprocess
import json
@@ -1422,3 +1423,58 @@ class InternalTests(unittest.TestCase):
self.assertEqual(k.required, v.required)
self.assertEqual(k.default, 'foo')
self.assertEqual(v.default, 'bar')
+
+ def test_detect_cpu_family(self) -> None:
+ """Test the various cpu familes that we detect and normalize.
+
+ This is particularly useful as both documentation, and to keep testing
+ platforms that are less common.
+ """
+
+ @contextlib.contextmanager
+ def mock_trial(value: str) -> T.Iterable[None]:
+ """Mock all of the ways we could get the trial at once."""
+ mocked = mock.Mock(return_value=value)
+
+ with mock.patch('mesonbuild.environment.detect_windows_arch', mocked), \
+ mock.patch('mesonbuild.environment.platform.processor', mocked), \
+ mock.patch('mesonbuild.environment.platform.machine', mocked):
+ yield
+
+ cases = [
+ ('x86', 'x86'),
+ ('i386', 'x86'),
+ ('bepc', 'x86'), # Haiku
+ ('earm', 'arm'), # NetBSD
+ ('arm', 'arm'),
+ ('ppc64', 'ppc64'),
+ ('powerpc64', 'ppc64'),
+ ('powerpc', 'ppc'),
+ ('ppc', 'ppc'),
+ ('macppc', 'ppc'),
+ ('power macintosh', 'ppc'),
+ ('mips64el', 'mips64'),
+ ('mips64', 'mips64'),
+ ('mips', 'mips'),
+ ('mipsel', 'mips'),
+ ('ip30', 'mips64'),
+ ('ip35', 'mips64'),
+ ('parisc64', 'parisc'),
+ ('sun4u', 'sparc64'),
+ ('sun4v', 'sparc64'),
+ ('amd64', 'x86_64'),
+ ('x64', 'x86_64'),
+ ('i86pc', 'x86_64'), # Solaris
+ ]
+
+ with mock.patch('mesonbuild.environment.any_compiler_has_define', mock.Mock(return_value=False)):
+ for test, expected in cases:
+ with self.subTest(test, has_define=False), mock_trial(test):
+ actual = mesonbuild.environment.detect_cpu_family({})
+ self.assertEqual(actual, expected)
+
+ with mock.patch('mesonbuild.environment.any_compiler_has_define', mock.Mock(return_value=True)):
+ for test, expected in [('x86_64', 'x86'), ('aarch64', 'arm'), ('ppc', 'ppc64')]:
+ with self.subTest(test, has_define=True), mock_trial(test):
+ actual = mesonbuild.environment.detect_cpu_family({})
+ self.assertEqual(actual, expected)
