1 files changed, 119 insertions, 9 deletions

diff --git a/run_tests.py b/run_tests.py
index 02aa701..d0a67e8 100755
--- a/run_tests.py
+++ b/run_tests.py
@@ -20,28 +20,138 @@ import shutil
 import subprocess
 import platform
 from mesonbuild import mesonlib
+from mesonbuild.environment import detect_ninja
+from enum import Enum
+from glob import glob
 
-def using_vs_backend():
-    for arg in sys.argv[1:]:
-        if arg.startswith('--backend=vs'):
-            return True
-    return False
+Backend = Enum('Backend', 'ninja vs xcode')
+
+if mesonlib.is_windows() or mesonlib.is_cygwin():
+    exe_suffix = '.exe'
+else:
+    exe_suffix = ''
+
+def get_backend_args_for_dir(backend, builddir):
+    '''
+    Visual Studio backend needs to be given the solution to build
+    '''
+    if backend is Backend.vs:
+        sln_name = glob(os.path.join(builddir, '*.sln'))[0]
+        return [os.path.split(sln_name)[-1]]
+    return []
+
+def find_vcxproj_with_target(builddir, target):
+    import re, fnmatch
+    t, ext = os.path.splitext(target)
+    if ext:
+        p = '<TargetName>{}</TargetName>\s*<TargetExt>\{}</TargetExt>'.format(t, ext)
+    else:
+        p = '<TargetName>{}</TargetName>'.format(t)
+    for root, dirs, files in os.walk(builddir):
+        for f in fnmatch.filter(files, '*.vcxproj'):
+            f = os.path.join(builddir, f)
+            with open(f, 'r', encoding='utf-8') as o:
+                if re.search(p, o.read(), flags=re.MULTILINE):
+                    return f
+    raise RuntimeError('No vcxproj matching {!r} in {!r}'.format(p, builddir))
+
+def get_builddir_target_args(backend, builddir, target):
+    dir_args = []
+    if not target:
+        dir_args = get_backend_args_for_dir(backend, builddir)
+    if target is None:
+        return dir_args
+    if backend is Backend.vs:
+        vcxproj = find_vcxproj_with_target(builddir, target)
+        target_args = [vcxproj]
+    elif backend is Backend.xcode:
+        target_args = ['-target', target]
+    elif backend is Backend.ninja:
+        target_args = [target]
+    else:
+        raise AssertionError('Unknown backend: {!r}'.format(backend))
+    return target_args + dir_args
+
+def get_backend_commands(backend, debug=False):
+    install_cmd = []
+    uninstall_cmd = []
+    if backend is Backend.vs:
+        cmd = ['msbuild']
+        clean_cmd = cmd + ['/target:Clean']
+        test_cmd = cmd + ['RUN_TESTS.vcxproj']
+    elif backend is Backend.xcode:
+        cmd = ['xcodebuild']
+        clean_cmd = cmd + ['-alltargets', 'clean']
+        test_cmd = cmd + ['-target', 'RUN_TESTS']
+    elif backend is Backend.ninja:
+        # We need at least 1.6 because of -w dupbuild=err
+        cmd = [detect_ninja('1.6'), '-w', 'dupbuild=err']
+        if cmd[0] is None:
+            raise RuntimeError('Could not find Ninja v1.6 or newer')
+        if debug:
+            cmd += ['-v']
+        clean_cmd = cmd + ['clean']
+        test_cmd = cmd + ['test', 'benchmark']
+        install_cmd = cmd + ['install']
+        uninstall_cmd = cmd + ['uninstall']
+    else:
+        raise AssertionError('Unknown backend: {!r}'.format(backend))
+    return cmd, clean_cmd, test_cmd, install_cmd, uninstall_cmd
+
+def get_fake_options(prefix):
+    import argparse
+    opts = argparse.Namespace()
+    opts.cross_file = None
+    opts.wrap_mode = None
+    opts.prefix = prefix
+    return opts
+
+class FakeEnvironment(object):
+    def __init__(self):
+        self.cross_info = None
+
+    def is_cross_build(self):
+        return False
 
 if __name__ == '__main__':
     returncode = 0
+    # Iterate over list in reverse order to find the last --backend arg
+    backend = Backend.ninja
+    for arg in reversed(sys.argv[1:]):
+        if arg.startswith('--backend'):
+            if arg.startswith('--backend=vs'):
+                backend = Backend.vs
+            elif arg == '--backend=xcode':
+                backend = Backend.xcode
+            break
     # Running on a developer machine? Be nice!
     if not mesonlib.is_windows() and 'TRAVIS' not in os.environ:
         os.nice(20)
+    # Appveyor sets the `platform` environment variable which completely messes
+    # up building with the vs2010 and vs2015 backends.
+    #
+    # Specifically, MSBuild reads the `platform` environment variable to set
+    # the configured value for the platform (Win32/x64/arm), which breaks x86
+    # builds.
+    #
+    # Appveyor setting this also breaks our 'native build arch' detection for
+    # Windows in environment.py:detect_windows_arch() by overwriting the value
+    # of `platform` set by vcvarsall.bat.
+    #
+    # While building for x86, `platform` should be unset.
+    if 'APPVEYOR' in os.environ and os.environ['arch'] == 'x86':
+        os.environ.pop('platform')
+    # Run tests
     print('Running unittests.\n')
     units = ['InternalTests', 'AllPlatformTests']
     if mesonlib.is_linux():
         units += ['LinuxlikeTests']
     elif mesonlib.is_windows():
         units += ['WindowsTests']
-    # Unit tests always use the Ninja backend, so just skip them if we're
-    # testing the VS backend
-    if not using_vs_backend():
-        returncode += subprocess.call([sys.executable, 'run_unittests.py', '-v'] + units)
+    # Can't pass arguments to unit tests, so set the backend to use in the environment
+    env = os.environ.copy()
+    env['MESON_UNIT_TEST_BACKEND'] = backend.name
+    returncode += subprocess.call([sys.executable, 'run_unittests.py', '-v'] + units, env=env)
     # Ubuntu packages do not have a binary without -6 suffix.
     if shutil.which('arm-linux-gnueabihf-gcc-6') and not platform.machine().startswith('arm'):
         print('Running cross compilation tests.\n')