Windows,tests: port ui_test

//src/test/shell/integration:ui_test
now runs on Windows.

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

Change-Id: I6667e55f26b9f87437234ba949a521760cfaaa18

Closes #5872.

Change-Id: I6667e55f26b9f87437234ba949a521760cfaaa18
PiperOrigin-RevId: 208476786

2 files changed, 57 insertions, 16 deletions

diff --git a/src/test/shell/integration/BUILD b/src/test/shell/integration/BUILD
index 4b3b7f28f2..d9c867d1cc 100644
--- a/src/test/shell/integration/BUILD
+++ b/src/test/shell/integration/BUILD
@@ -250,8 +250,10 @@ sh_test(
     name = "ui_test",
     size = "medium",
     srcs = ["ui_test.sh"],
-    data = [":test-deps"],
-    tags = ["no_windows"],
+    data = [
+        ":test-deps",
+        "@bazel_tools//tools/bash/runfiles",
+    ],
 )
 
 sh_test(
diff --git a/src/test/shell/integration/ui_test.sh b/src/test/shell/integration/ui_test.sh
index 4fb046d932..de227c92e8 100755
--- a/src/test/shell/integration/ui_test.sh
+++ b/src/test/shell/integration/ui_test.sh
@@ -16,23 +16,57 @@
 #
 # An end-to-end test that Bazel's experimental UI produces reasonable output.
 
-# Load the test setup defined in the parent directory
-CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-source "${CURRENT_DIR}/../integration_test_setup.sh" \
+# --- begin runfiles.bash initialization ---
+# Copy-pasted from Bazel's Bash runfiles library (tools/bash/runfiles/runfiles.bash).
+set -euo pipefail
+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 #############################################################
+case "$(uname -s | tr [:upper:] [:lower:])" in
+msys*|mingw*|cygwin*)
+  declare -r is_windows=true
+  ;;
+*)
+  declare -r is_windows=false
+  ;;
+esac
 
-set -e
+if "$is_windows"; then
+  export MSYS_NO_PATHCONV=1
+  export MSYS2_ARG_CONV_EXCL="*"
+fi
 
-function set_up() {
-  mkdir -p pkg
-  cat > pkg/true.sh <<EOF
+#### SETUP #############################################################
+
+function create_pkg() {
+  local -r pkg=$1
+  mkdir -p $pkg
+  cat > $pkg/true.sh <<EOF
 #!/bin/sh
 exit 0
 EOF
-  chmod 755 pkg/true.sh
-  cat > pkg/BUILD <<EOF
+  chmod 755 $pkg/true.sh
+  cat > $pkg/BUILD <<EOF
 sh_test(
   name = "true",
   srcs = ["true.sh"],
@@ -43,7 +77,9 @@ EOF
 #### TESTS #############################################################
 
 function test_basic_progress() {
-  bazel test --curses=yes --color=yes pkg:true 2>$TEST_log || fail "bazel test failed"
+  local -r pkg=$FUNCNAME
+  create_pkg $pkg
+  bazel test --curses=yes --color=yes $pkg:true 2>$TEST_log || fail "bazel test failed"
   # some progress indicator is shown
   expect_log '\[[0-9,]* / [0-9,]*\]'
   # something is written in green
@@ -53,7 +89,9 @@ function test_basic_progress() {
 }
 
 function test_line_wrapping() {
-  bazel test --curses=yes --color=yes --terminal_columns=5 pkg:true 2>$TEST_log || fail "bazel test failed"
+  local -r pkg=$FUNCNAME
+  create_pkg $pkg
+  bazel test --curses=yes --color=yes --terminal_columns=5 $pkg:true 2>$TEST_log || fail "bazel test failed"
   # curses are used to delete at least one line
   expect_log $'\x1b\[1A\x1b\[K'
   # something is written in green
@@ -63,7 +101,9 @@ function test_line_wrapping() {
 }
 
 function test_noline_wrapping_color_nocurses() {
-  bazel test --curses=no --color=yes --terminal_columns=5 pkg:true 2>$TEST_log || fail "bazel test failed"
+  local -r pkg=$FUNCNAME
+  create_pkg $pkg
+  bazel test --curses=no --color=yes --terminal_columns=5 $pkg:true 2>$TEST_log || fail "bazel test failed"
   # something is written in green
   expect_log $'\x1b\[32m'
   # no lines are deleted
@@ -73,5 +113,4 @@ function test_noline_wrapping_color_nocurses() {
   expect_not_log '\\$'
 }
 
-
 run_suite "Basic integration tests for the standard UI"