Add a smoke-test for GObject-Introspection using PyGI

Signed-off-by: Simon McVittie <[email protected]>

tests/introspection.py

@@ -0,0 +1,81 @@
+#!/usr/bin/env python3
+
+# Copyright 2021 Simon McVittie
+#
+# SPDX-License-Identifier: MIT
+#
+# 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 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.
+
+import unittest
+import sys
+
+class TestIntrospection(unittest.TestCase):
+    def setUp(self):
+        try:
+            import gi
+        except ImportError:
+            self.skipTest('gi module not available')
+
+        gi.require_version('Graphene', '1.0')
+
+    def test_basics(self):
+        '''Assert that introspection basically works'''
+        from gi.repository import Graphene
+
+        self.assertIsNotNone(Graphene.Box.empty())
+
+    def test_simd_not_exposed(self):
+        '''Assert that SIMD implementation details are not present'''
+        from gi.repository import Graphene
+
+        for name in (
+            'HAS_ARM_NEON',
+            'HAS_GCC',
+            'HAS_SCALAR',
+            'HAS_SSE',
+            'SIMD_S',
+            'USE_ARM_NEON',
+            'USE_GCC',
+            'USE_SCALAR',
+            'USE_SSE',
+        ):
+            with self.assertRaises(
+                AttributeError,
+                msg='%s should not be defined' % name,
+            ):
+                getattr(Graphene, name)
+
+def main():
+    try:
+        from tap.runner import TAPTestRunner
+    except ImportError:
+        # Minimal TAP implementation
+        print('1..1')
+        program = unittest.main(exit=False)
+        if program.result.wasSuccessful():
+            print('ok 1 - %r' % program.result)
+        else:
+            print('not ok 1 - %r' % program.result)
+    else:
+        runner = TAPTestRunner()
+        runner.set_stream(True)
+        unittest.main(testRunner=runner)
+
+if __name__ == '__main__':
+    main()

tests/meson.build

@@ -62,3 +62,31 @@ if mutest_dep.found()
     )
   endforeach
 endif
+
+if build_gir and host_system == 'linux' and not meson.is_cross_build()
+  foreach unit: ['introspection.py']
+    wrapper = '@[email protected]'.format(unit)
+    custom_target(wrapper,
+      output: wrapper,
+      command: [
+        gen_installed_test,
+        '--testdir=@0@'.format(installed_test_bindir),
+        '--testname=@0@'.format(unit),
+        '--outdir=@OUTDIR@',
+        '--outfile=@0@'.format(wrapper),
+      ],
+      install: get_option('installed_tests'),
+      install_dir: installed_test_datadir,
+    )
+
+    test(unit,
+      python,
+      args: [files(unit)],
+      env: [
+        'GI_TYPELIB_PATH=' + join_paths(meson.current_build_dir(), '..', 'src'),
+        'LD_LIBRARY_PATH=' + join_paths(meson.current_build_dir(), '..', 'src'),
+      ],
+      protocol: 'tap',
+    )
+  endforeach
+endif