1 files changed, 81 insertions, 0 deletions
diff --git a/test/MSVC/msvc_cache_force_defaults.py b/test/MSVC/msvc_cache_force_defaults.py
new file mode 100644
index 0000000..a964405
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+++ b/test/MSVC/msvc_cache_force_defaults.py
@@ -0,0 +1,81 @@
+# MIT License
+#
+# Copyright The SCons Foundation
+#
+# 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.
+
+"""
+Test SCONS_CACHE_MSVC_FORCE_DEFAULTS system environment variable.
+"""
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.skip_if_not_msvc()
+
+import textwrap
+
+from SCons.Tool.MSCommon.vc import get_installed_vcs_components
+
+installed_versions = get_installed_vcs_components()
+
+default_version = installed_versions[0]
+
+if default_version.msvc_vernum >= 14.0:
+    # VS2015 and later
+
+    # force SDK version and toolset version as msvc batch file arguments
+    test.write('SConstruct', textwrap.dedent(
+        """
+        import os
+        import json
+
+        cache_file = 'MSCACHE.json'
+
+        os.environ['SCONS_CACHE_MSVC_CONFIG']=cache_file
+        os.environ['SCONS_CACHE_MSVC_FORCE_DEFAULTS']='1'
+
+        DefaultEnvironment(tools=[])
+        env = Environment(tools=['msvc'])
+
+        envcache_keys = [] 
+        with open(cache_file, 'r') as file:
+            envcache_list = json.load(file)
+            envcache_keys = [tuple(d['key']) for d in envcache_list]
+
+        if envcache_keys:
+            # key = (script, arguments)
+            print("SCRIPT_ARGS: {}".format(envcache_keys[0][-1]))
+        """
+    ))
+    test.run(arguments = "-Q -s", status=0, stdout=None)
+
+    cache_arg = test.stdout().strip()
+
+    if default_version.msvc_verstr == '14.0':
+        # VS2015: target_arch msvc_sdk_version
+        expect = r'^SCRIPT_ARGS: .* [0-9.]+$'
+    else:
+        # VS2017+ msvc_sdk_version msvc_toolset_version
+        expect = r'^SCRIPT_ARGS: [0-9.]+ -vcvars_ver=[0-9.]+$'
+
+    test.must_contain_all(cache_arg, expect, find=TestSCons.match_re)
+