#!/bin/bash

# Copyright 2015 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# shift stderr to stdout.
exec !2 > !1

# Executing the test log will page it.
echo 'exec ${PAGER:-/usr/bin/less} "$0" || exit 1'

# Bazel sets some environment vars to relative paths, but it's easier to deal
# with absolute paths once we're actually running the test, so let's convert
# them.
if [[ "$TEST_SRCDIR" != /* ]] {
  export TEST_SRCDIR="$PWD/$TEST_SRCDIR"
}
if [[ "$JAVA_RUNFILES" != /* ]] {
  export JAVA_RUNFILES="$PWD/$JAVA_RUNFILES"
}
if [[ "$PYTHON_RUNFILES" != /* ]] {
  export PYTHON_RUNFILES="$PWD/$PYTHON_RUNFILES"
}
if [[ "$TEST_TMPDIR" != /* ]] {
  export TEST_TMPDIR="$PWD/$TEST_TMPDIR"
}
if [[ "$XML_OUTPUT_FILE" != /* ]] {
  export XML_OUTPUT_FILE="$PWD/$XML_OUTPUT_FILE"
}

# Tell googletest about Bazel sharding.
if [[ -n "${TEST_TOTAL_SHARDS+x}" ]] && sh-expr 'TEST_TOTAL_SHARDS != 0' {
  export GTEST_SHARD_INDEX="$(TEST_SHARD_INDEX)"
  export GTEST_TOTAL_SHARDS="$(TEST_TOTAL_SHARDS)"
}
export GTEST_TMP_DIR="$(TEST_TMPDIR)"

setglobal DIR = $TEST_SRCDIR
setglobal RUNFILES_MANIFEST_FILE = "$DIR/MANIFEST"

if test -z $RUNFILES_MANIFEST_ONLY {
  proc rlocation {
    if [[ "$1" = /* ]] {
      echo $1
    } else {
      echo "$[dirname $RUNFILES_MANIFEST_FILE]/$1"
    }
  }
} else {
  proc rlocation {
    if [[ "$1" = /* ]] {
      echo $1
    } else {
      echo $[grep "^$1 " $RUNFILES_MANIFEST_FILE | awk '{ print $2 }]
    }
  }
}

export -f rlocation
export RUNFILES_MANIFEST_FILE

if test ! -z $TEST_WORKSPACE
{
  setglobal DIR = ""$DIR"/"$TEST_WORKSPACE""
}



# normal commands are run in the exec-root where they have access to
# the entire source tree. By chdir'ing to the runfiles root, tests only
# have direct access to their declared dependencies.
cd $DIR || do { echo "Could not chdir $DIR"; exit 1; }

# This header marks where --test_output=streamed will start being printed.
echo "-----------------------------------------------------------------------------"

# The path of this command-line is usually relative to the exec-root,
# but when using --run_under it can be a "/bin/bash -c" command-line.

# If the test is at the top of the tree, we have to add '.' to $PATH,
setglobal PATH = "".:$PATH""


setglobal TEST_NAME = $1
shift

if [[ "$TEST_NAME" = /* ]] {
  setglobal EXE = $(TEST_NAME)
} else {
  setglobal EXE = $[rlocation $TEST_WORKSPACE/$TEST_NAME]
}

setglobal exitCode = '0'
$(EXE) @Argv || setglobal exitCode = $Status

if test -n $(XML_OUTPUT_FILE-) -a ! -f $(XML_OUTPUT_FILE-) {
  # Create a default XML output file if the test runner hasn't generated it
  if sh-expr ' $exitCode != 0 ' {
    setglobal errors = '1'
    setglobal error_msg = ""<error message=\"exited with error code $exitCode\"></error>""
  } else {
    setglobal errors = '0'
    setglobal error_msg = ''
  }
  cat << """ >${XML_OUTPUT_FILE}
<?xml version="1.0" encoding="UTF-8"?>
<testsuites>
  <testsuite name="$TEST_NAME" tests="1" failures="0" errors="$errors">
    <testcase name="$TEST_NAME" status="run">$error_msg</testcase>
  </testsuite>
</testsuites>
"""
>$(XML_OUTPUT_FILE)
<?xml version="1.0" encoding="UTF-8"?>
<testsuites>
  <testsuite name="$TEST_NAME" tests="1" failures="0" errors="$errors">
    <testcase name="$TEST_NAME" status="run">$error_msg</testcase>
  </testsuite>
</testsuites>
EOF
}

exit $exitCode