Windows,tests: port bazel_build_event_stream_test

//src/test/shell/bazel:bazel_build_event_stream_test
now runs on Windows.

See https://github.com/bazelbuild/bazel/issues/4292

Closes #5560.

Change-Id: Ica3d59fb6f557c85d2fd646cf005ffd831046119
PiperOrigin-RevId: 203945734

2 files changed, 52 insertions, 10 deletions

diff --git a/src/test/shell/bazel/BUILD b/src/test/shell/bazel/BUILD
index b7d28b6146..89cc328ef3 100644
--- a/src/test/shell/bazel/BUILD
+++ b/src/test/shell/bazel/BUILD
@@ -82,7 +82,9 @@ sh_test(
     data = [
         ":test-deps",
     ],
-    tags = ["no_windows"],
+    tags = [
+        "no_windows",  # darwin-specific test
+    ],
 )
 
 sh_test(
@@ -93,7 +95,9 @@ sh_test(
         ":test-deps",
         "//:workspace-file",
     ],
-    tags = ["no_windows"],
+    tags = [
+        "no_windows",  # objc-specific test
+    ],
 )
 
 sh_test(
@@ -101,7 +105,9 @@ sh_test(
     size = "medium",
     srcs = ["bazel_embedded_skylark_test.sh"],
     data = [":test-deps"],
-    tags = ["no_windows"],
+    tags = [
+        "no_windows",  # TODO(laszlocsomor): make this run on Windows
+    ],
 )
 
 sh_test(
@@ -120,14 +126,21 @@ sh_test(
     timeout = "eternal",
     srcs = ["bazel_java_test.sh"],
     data = [":test-deps"],
-    tags = ["no_windows"],
+    tags = [
+        # TODO(laszlocsomor): make this run on Windows. Currently fails because
+        # the java_common provider doesn't work on Windows.
+        "no_windows",
+    ],
 )
 
 sh_test(
     name = "bazel_build_event_stream_test",
     size = "medium",
     srcs = ["bazel_build_event_stream_test.sh"],
-    data = [":test-deps"],
+    data = [
+        ":test-deps",
+        "@bazel_tools//tools/bash/runfiles",
+    ],
     tags = ["no_windows"],
 )
 
diff --git a/src/test/shell/bazel/bazel_build_event_stream_test.sh b/src/test/shell/bazel/bazel_build_event_stream_test.sh
index 909586f637..3d1f93b5ad 100755
--- a/src/test/shell/bazel/bazel_build_event_stream_test.sh
+++ b/src/test/shell/bazel/bazel_build_event_stream_test.sh
@@ -16,20 +16,49 @@
 #
 # An end-to-end test for bazel-specific parts of the build-event stream.
 
-# Load the test setup defined in the parent directory
-CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-source "${CURRENT_DIR}/../integration_test_setup.sh" \
+set -euo pipefail
+# --- begin runfiles.bash initialization ---
+if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
+  if [[ -f "$0.runfiles_manifest" ]]; then
+    export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
+  elif [[ -f "$0.runfiles/MANIFEST" ]]; then
+    export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
+  elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
+    export RUNFILES_DIR="$0.runfiles"
+  fi
+fi
+if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
+  source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
+elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
+  source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
+            "$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
+else
+  echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
+  exit 1
+fi
+# --- end runfiles.bash initialization ---
+
+source "$(rlocation "io_bazel/src/test/shell/integration_test_setup.sh")" \
   || { echo "integration_test_setup.sh not found!" >&2; exit 1; }
 
 #### SETUP #############################################################
 
-set -e
+export MSYS_NO_PATHCONV=1
+export MSYS2_ARG_CONV_EXCL="*"
 
 function set_up() {
   mkdir -p pkg
   touch remote_file
+  if is_windows; then
+    # Windows needs "file:///c:/foo/bar".
+    FILE_URL="file:///$(cygpath -m "$PWD")/remote_file"
+  else
+    # Non-Windows needs "file:///foo/bar".
+    FILE_URL="file://${PWD}/remote_file"
+  fi
+
   cat > WORKSPACE <<EOF
-http_file(name="remote", urls=["file://`pwd`/remote_file"])
+http_file(name="remote", urls=["${FILE_URL}"])
 EOF
   cat > pkg/BUILD <<'EOF'
 genrule(