Add a sanity check to make sure vsprojects stays usable.

templates/tools/dockerfile/test/sanity/Dockerfile.template

@@ -40,7 +40,8 @@
         automake ${"\\"}
         libtool ${"\\"}
         curl ${"\\"}
-        python-virtualenv
+        python-virtualenv ${"\\"}
+        python-lxml
   RUN pip install simplejson mako
 
   #===================

tools/distrib/check_vsprojects.py

+#!/usr/bin/env python2.7
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import os
+import re
+import sys
+
+from lxml import etree
+
+
+def main():
+  root_dir = os.path.abspath(
+      os.path.join(os.path.dirname(sys.argv[0]), '../..'))
+  os.chdir(root_dir)
+
+  project_re = re.compile('Project\(.*\) = ".+", "(.+)", "(.+)"')
+
+  known_projects = {}
+  with open(os.path.join('vsprojects', 'grpc.sln')) as f:
+    for line in f.readlines():
+      m = project_re.match(line)
+      if not m:
+        continue
+
+      vcxproj_path, project_guid = m.groups()
+      if os.name != 'nt':
+        vcxproj_path = vcxproj_path.replace('\\', '/')
+
+      known_projects[project_guid] = vcxproj_path
+
+  ok = True
+  for vcxproj_path in known_projects.values():
+    with open(os.path.join(root_dir, 'vsprojects', vcxproj_path)) as f:
+      tree = etree.parse(f)
+
+    namespaces = {'ns': 'http://schemas.microsoft.com/developer/msbuild/2003'}
+    referenced_projects = tree.getroot().xpath('/ns:Project/ns:ItemGroup'
+                                               '/ns:ProjectReference'
+                                               '/ns:Project',
+                                               namespaces=namespaces)
+    for referenced_project in referenced_projects:
+      # Project tag under ProjectReference is a GUID reference.
+      if referenced_project.text not in known_projects:
+        target_vcxproj = referenced_project.getparent().attrib['Include']
+        guid = referenced_project.text
+        print ('In project "%s", dependency "%s" (with GUID "%s") is not in '
+               'grpc.sln' % (vcxproj_path, target_vcxproj, guid))
+        ok = False
+
+  if not ok:
+    exit(1)
+
+
+if __name__ == '__main__':
+  main()
+

tools/dockerfile/test/sanity/Dockerfile

@@ -71,7 +71,8 @@ RUN apt-get update && apt-get install -y \
       automake \
       libtool \
       curl \
-      python-virtualenv
+      python-virtualenv \
+      python-lxml
 RUN pip install simplejson mako
 
 #===================

tools/run_tests/sanity/sanity_tests.yaml

@@ -5,6 +5,7 @@
 - script: tools/buildgen/generate_projects.sh -j 3
   cpu_cost: 3
 - script: tools/distrib/check_copyright.py
+- script: tools/distrib/check_vsprojects.py
 - script: tools/distrib/clang_format_code.sh
 - script: tools/distrib/check_trailing_newlines.sh
 - script: tools/distrib/check_nanopb_output.sh