Add new debug() function

Adds a new debug() function that can be used in the meson.build to
log messages to the meson-log.txt that will not be printed to stdout
when configuring the project.

1 files changed, 13 insertions, 0 deletions

diff --git a/unittests/platformagnostictests.py b/unittests/platformagnostictests.py
index b5907a1..6e0951f 100644
--- a/unittests/platformagnostictests.py
+++ b/unittests/platformagnostictests.py
@@ -70,3 +70,16 @@ class PlatformAgnosticTests(BasePlatformTests):
     def test_python_dependency_without_pkgconfig(self):
         testdir = os.path.join(self.unit_test_dir, '102 python without pkgconfig')
         self.init(testdir, override_envvars={'PKG_CONFIG': 'notfound'})
+
+    def test_debug_function_outputs_to_meson_log(self):
+        testdir = os.path.join(self.unit_test_dir, '104 debug function')
+        log_msg = 'This is an example debug output, should only end up in debug log'
+        output = self.init(testdir)
+
+        # Check if message is not printed to stdout while configuring
+        assert(log_msg not in output)
+
+        # Check if message is written to the meson log
+        mesonlog = os.path.join(self.builddir, 'meson-logs/meson-log.txt')
+        with open(mesonlog, mode='r', encoding='utf-8') as file:
+            assert(log_msg in file.read())