# @generated
# Copyright 2016 The Bazel Go Rules Authors. All rights reserved.
# Copyright 2016 The Closure Rules 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.
"""Tests that two files contain the same data."""
def _impl(ctx):
if ctx.file.golden == ctx.file.actual:
fail("GOLDEN and ACTUAL should be different files")
ctx.actions.write(
output=ctx.outputs.executable,
content="\n".join([
"#!/bin/bash",
"function checksum() {",
" if command -v openssl >/dev/null; then",
" openssl sha1 $1 | cut -f 2 -d ' '",
" elif command -v sha256sum >/dev/null; then",
" sha256sum $1 | cut -f 1 -d ' '",
" elif command -v shasum >/dev/null; then",
" cat $1 | shasum -a 256 | cut -f 1 -d ' '",
" else",
" echo please install openssl >&2",
" exit 1",
" fi",
"}",
"SUM1=$(checksum %s)" % _runpath(ctx.file.golden),
"SUM2=$(checksum %s)" % _runpath(ctx.file.actual),
"if [[ ${SUM1} != ${SUM2} ]]; then",
" echo ERROR: %s >&2" % ctx.attr.error_message,
" echo %s ${SUM1} >&2" % _runpath(ctx.file.golden),
" echo %s ${SUM2} >&2" % _runpath(ctx.file.actual),
" exit 1",
"fi",
]),
is_executable=True)
return struct(runfiles=ctx.runfiles([ctx.file.golden,
ctx.file.actual]))
def _runpath(f):
"""Figures out the proper runfiles path for a file, using voodoo"""
if f.path.startswith('bazel-out/'):
return f.short_path
else:
return f.path
files_equal_test = rule(
attrs = {
"golden": attr.label(
mandatory = True,
allow_files = True,
single_file = True),
"actual": attr.label(
mandatory = True,
allow_files = True,
single_file = True),
"error_message": attr.string(
default="FILES DO NOT HAVE EQUAL CONTENTS"),
},
implementation = _impl,
test = True)