Add queries to build.bat and test.bat. (#81)

Full builds and tests are not yet enabled due to lingering compilation errors.

Author: Ian Sturdy

WORKSPACE

@@ -67,14 +67,24 @@ new_http_archive(
     strip_prefix = "benchmark-master",
     build_file_content =
 """
+config_setting(
+    name = "windows",
+    values = {"cpu": "x64_windows"},
+    visibility = [ "//visibility:private" ],
+)
+
 cc_library(
     name = "benchmark",
     srcs = glob([
         "src/*.h",
         "src/*.cc",
     ]),
     hdrs = glob(["include/benchmark/*.h"]),
-    copts = ["-DHAVE_POSIX_REGEX"],  # HAVE_STD_REGEX didn't work.
+    copts = select({
+        "//:windows": ["-DHAVE_STD_REGEX"],
+        # HAVE_STD_REGEX didn't work.
+        "//conditions:default": ["-DHAVE_POSIX_REGEX"],
+    }),
     includes = ["include"],
     visibility = ["//visibility:public"],
 )

opencensus/copts.bzl

@@ -33,12 +33,16 @@ load(
 
 DEFAULT_COPTS = select({
     "//opencensus:llvm_compiler": LLVM_FLAGS,
-    "//opencensus:windows": MSVC_FLAGS,
+    # Disable "not all control paths return a value"; functions that return
+    # out of a switch on an enum cause build errors otherwise.
+    "//opencensus:windows": MSVC_FLAGS + ["/wd4715"],
     "//conditions:default": GCC_FLAGS,
 })
 
 TEST_COPTS = DEFAULT_COPTS + select({
     "//opencensus:llvm_compiler": LLVM_TEST_FLAGS,
-    "//opencensus:windows": MSVC_TEST_FLAGS,
+    # Disable "not all control paths return a value"; functions that return
+    # out of a switch on an enum cause build errors otherwise.    
+    "//opencensus:windows": MSVC_TEST_FLAGS + ["/wd4715"],
     "//conditions:default": GCC_TEST_FLAGS,
 })

tools/appveyor/build.bat

@@ -12,11 +12,19 @@ REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 REM See the License for the specific language governing permissions and
 REM limitations under the License.
 
-REM TODO: Get everything to build on Windows:
-REM bazel build //...
+REM We need this to append a variable within a loop.
+setlocal enabledelayedexpansion
+
+REM TODO: Is there an easier way to convert lines to a space-separated list?
+SET BUILDABLES=
+FOR /F usebackq %%T IN (`bazel query "kind(rule, //...)" ^| FINDSTR /C:"\:_" /V`) DO (
+    SET BUILDABLES=!BUILDABLES! %%T
+)
 
 REM TODO: Remove --output_user_root after https://github.com/bazelbuild/bazel/issues/4149 is fixed.
-bazel --output_user_root=c:/t/ build //opencensus/trace
+REM TODO: enable the full build when errors are resolved.
+bazel --output_user_root=c:/t/ build //opencensus/trace //opencensus/stats
+REM bazel --output_user_root=c:/t/ build %BUILDABLES%
 
 IF %ERRORLEVEL% NEQ 0 EXIT /b %ERRORLEVEL%
 EXIT /b 0

tools/appveyor/test.bat

@@ -12,12 +12,18 @@ REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 REM See the License for the specific language governing permissions and
 REM limitations under the License.
 
-REM TODO: Make all tests pass on Windows:
-REM bazel test //...
+REM We need this to append a variable within a loop.
+setlocal enabledelayedexpansion
+
+REM TODO: Is there an easier way to convert lines to a space-separated list?
+SET TESTS=
+FOR /F usebackq %%T IN (`bazel query "kind(test, //...)  except attr('tags', 'manual|noci', //...)" ^| FINDSTR /C:"\:_" /V`) DO (
+    SET TESTS=!TESTS! %%T
+)
 
 REM TODO: Remove --output_user_root after https://github.com/bazelbuild/bazel/issues/4149 is fixed.
-REM bazel --output_user_root=c:/t/ test //opencensus/trace:all
 echo TODO: Make all tests pass on Windows.
+REM bazel --output_user_root=c:/t/ test --test_output=errors %TESTS%
 
 IF %ERRORLEVEL% NEQ 0 EXIT /b %ERRORLEVEL%
 EXIT /b 0