tests: Add Boost unit tests and project tests on Windows

Boost tests are disabled on Windows for now because the detection
is actually completely broken. Once that's fixed (after the release)
we can enable it again.

.appveyor.yml

@@ -55,6 +55,8 @@ skip_commits:
 
 install:
   - cmd: set "ORIG_PATH=%PATH%"
+  # Boost 1.56.0: https://www.appveyor.com/docs/build-environment/#boost
+  #- cmd: set "BOOST_ROOT=C:\Libraries\boost"
   # Use the x86 python only when building for x86 for the cpython tests.
   # For all other archs (including, say, arm), use the x64 python.
   - ps: (new-object net.webclient).DownloadFile('https://www.dropbox.com/s/bbzvepq85hv47x1/ninja.exe?dl=1', 'C:\projects\meson\ninja.exe')

mesonbuild/dependencies/misc.py

@@ -126,8 +126,8 @@ class BoostDependency(ExternalDependency):
 
     def get_requested(self, kwargs):
         candidates = kwargs.get('modules', [])
-        if isinstance(candidates, str):
-            return [candidates]
+        if not isinstance(candidates, list):
+            candidates = [candidates]
         for c in candidates:
             if not isinstance(c, str):
                 raise DependencyException('Boost module argument is not a string.')
@@ -136,7 +136,8 @@ class BoostDependency(ExternalDependency):
     def validate_requested(self):
         for m in self.requested_modules:
             if m not in self.src_modules:
-                raise DependencyException('Requested Boost module "%s" not found.' % m)
+                msg = 'Requested Boost module {!r} not found'
+                raise DependencyException(msg.format(m))
 
     def detect_version(self):
         try:

run_project_tests.py

@@ -371,7 +371,7 @@ def _run_test(testdir, test_build_dir, install_dir, extra_args, compiler, backen
     return TestResult(validate_install(testdir, install_dir, compiler), BuildStep.validate, stdo, stde, mesonlog, gen_time, build_time, test_time)
 
 def gather_tests(testdir):
-    tests = [t.replace('\\', '/').split('/', 2)[2] for t in glob(os.path.join(testdir, '*'))]
+    tests = [t.replace('\\', '/').split('/', 2)[2] for t in glob(testdir + '/*')]
     testlist = [(int(t.split()[0]), t) for t in tests]
     testlist.sort()
     tests = [os.path.join(testdir, t[1]) for t in testlist]
@@ -425,7 +425,6 @@ def detect_tests_to_run():
         ('platform-windows', 'windows', not mesonlib.is_windows() and not mesonlib.is_cygwin()),
         ('platform-linux', 'linuxlike', mesonlib.is_osx() or mesonlib.is_windows()),
 
-        ('framework', 'frameworks', mesonlib.is_osx() or mesonlib.is_windows() or mesonlib.is_cygwin()),
         ('java', 'java', backend is not Backend.ninja or mesonlib.is_osx() or not have_java()),
         ('C#', 'csharp', backend is not Backend.ninja or not shutil.which('mcs')),
         ('vala', 'vala', backend is not Backend.ninja or not shutil.which('valac')),
@@ -436,7 +435,15 @@ def detect_tests_to_run():
         ('swift', 'swift', backend not in (Backend.ninja, Backend.xcode) or not shutil.which('swiftc')),
         ('python3', 'python3', backend is not Backend.ninja),
     ]
-    return [(name, gather_tests('test cases/' + subdir), skip) for name, subdir, skip in all_tests]
+    gathered_tests = [(name, gather_tests('test cases/' + subdir), skip) for name, subdir, skip in all_tests]
+    if mesonlib.is_windows():
+        # TODO: Set BOOST_ROOT in .appveyor.yml
+        gathered_tests += [('framework', ['test cases/frameworks/1 boost'], 'BOOST_ROOT' not in os.environ)]
+    elif mesonlib.is_osx() or mesonlib.is_cygwin():
+        gathered_tests += [('framework', gather_tests('test cases/frameworks'), True)]
+    else:
+        gathered_tests += [('framework', gather_tests('test cases/frameworks'), False)]
+    return gathered_tests
 
 def run_tests(all_tests, log_name_base, extra_args):
     global stop, executor, futures

run_unittests.py

@@ -1316,6 +1316,19 @@ class FailureTests(BasePlatformTests):
         self.assertMesonRaises("dependency('llvm', modules : 'fail')",
                                "(required.*fail|{})".format(self.dnf))
 
+    def test_boost_notfound_dependency(self):
+        # Can be run even if Boost is found or not
+        self.assertMesonRaises("dependency('boost', modules : 1)",
+                               "module.*not a string")
+        self.assertMesonRaises("dependency('boost', modules : 'fail')",
+                               "(fail.*not found|{})".format(self.dnf))
+
+    def test_boost_BOOST_ROOT_dependency(self):
+        # Test BOOST_ROOT; can be run even if Boost is found or not
+        os.environ['BOOST_ROOT'] = 'relative/path'
+        self.assertMesonRaises("dependency('boost')",
+                               "(BOOST_ROOT.*absolute|{})".format(self.dnf))
+
 
 class WindowsTests(BasePlatformTests):
     '''