Add regression test for Python dist.

unittests/allplatformstests.py

@@ -83,7 +83,7 @@ def temp_filename():
         except OSError:
             pass
 
-def _git_init(project_dir):
+def git_init(project_dir):
     # If a user has git configuration init.defaultBranch set we want to override that
     with tempfile.TemporaryDirectory() as d:
         out = git(['--version'], str(d))[1]
@@ -1165,7 +1165,7 @@ class AllPlatformTests(BasePlatformTests):
             raise SkipTest('Dist is only supported with Ninja')
 
         try:
-            self.dist_impl(_git_init, _git_add_all)
+            self.dist_impl(git_init, _git_add_all)
         except PermissionError:
             # When run under Windows CI, something (virus scanner?)
             # holds on to the git files so cleaning up the dir
@@ -1220,7 +1220,7 @@ class AllPlatformTests(BasePlatformTests):
                 project_dir = os.path.join(tmpdir, 'a')
                 shutil.copytree(os.path.join(self.unit_test_dir, '35 dist script'),
                                 project_dir)
-                _git_init(project_dir)
+                git_init(project_dir)
                 self.init(project_dir)
                 self.build('dist')
 
@@ -2603,7 +2603,7 @@ class AllPlatformTests(BasePlatformTests):
         # Ensure that test project is in git even when running meson from tarball.
         srcdir = os.path.join(self.builddir, 'src')
         shutil.copytree(testdir, srcdir)
-        _git_init(srcdir)
+        git_init(srcdir)
         testdir = srcdir
         self.new_builddir()
 
@@ -3602,7 +3602,7 @@ class AllPlatformTests(BasePlatformTests):
             shutil.copytree(os.path.join(self.unit_test_dir, '80 wrap-git'), srcdir)
             upstream = os.path.join(srcdir, 'subprojects', 'wrap_git_upstream')
             upstream_uri = Path(upstream).as_uri()
-            _git_init(upstream)
+            git_init(upstream)
             with open(os.path.join(srcdir, 'subprojects', 'wrap_git.wrap'), 'w', encoding='utf-8') as f:
                 f.write(textwrap.dedent('''
                   [wrap-git]

unittests/pythontests.py

@@ -14,12 +14,17 @@
 
 import os
 import unittest
+import pathlib
+import subprocess
 
 from run_tests import (
     Backend
 )
 
+from .allplatformstests import git_init
+
 from .baseplatformtests import BasePlatformTests
+from mesonbuild.mesonlib import TemporaryDirectoryWinProof
 
 class PythonTests(BasePlatformTests):
     '''
@@ -43,3 +48,15 @@ class PythonTests(BasePlatformTests):
         with self.assertRaises(unittest.SkipTest):
             self.init(testdir, extra_args=['-Dpython=dir'])
         self.wipe()
+
+    def test_dist(self):
+        with TemporaryDirectoryWinProof() as dirstr:
+            dirobj = pathlib.Path(dirstr)
+            mesonfile = dirobj / 'meson.build'
+            mesonfile.write_text('''project('test', 'c', version: '1')
+pymod = import('python')
+python = pymod.find_installation('python3', required: true)
+''', encoding='utf-8')
+            git_init(dirstr)
+            self.init(dirstr)
+            subprocess.check_call(self.meson_command + ['dist', '-C', self.builddir], stdout=subprocess.DEVNULL)