"""Lit configuration to drive test in this repo."""
# Copyright 2020 The TensorFlow 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.

# -*- Python -*-
# pylint: disable=undefined-variable

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import os

import lit.formats
from lit.llvm import llvm_config
from lit.llvm.subst import ToolSubst
import lit.util

# Configuration file for the 'lit' test runner.

# name: The name of this test suite.
config.name = 'MLIR_HLO_OPT'

config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)

# suffixes: A list of file extensions to treat as test files.
config.suffixes = ['.mlir', '.mlir.py']

# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)

# test_exec_root: The root path where tests should be run.
config.test_exec_root = os.path.join(config.mlir_hlo_obj_root, 'test')

config.substitutions.append(('%PATH%', config.environment['PATH']))
config.substitutions.append(('%shlibext', config.llvm_shlib_ext))

llvm_config.with_system_environment(['HOME', 'INCLUDE', 'LIB', 'TMP', 'TEMP'])

llvm_config.use_default_substitutions()

# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
# subdirectories contain auxiliary inputs for various tests in their parent
# directories.
config.excludes = [
    'Inputs', 'Examples', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt'
]

# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)

# test_exec_root: The root path where tests should be run.
config.test_exec_root = os.path.join(config.mlir_hlo_obj_root, 'test')
config.mlir_hlo_tools_dir = os.path.join(config.mlir_hlo_obj_root, 'tools')

# Tweak the PATH to include the tools dir.
llvm_config.with_environment('PATH', config.llvm_tools_dir, append_path=True)

tool_dirs = [
    os.path.join(config.mlir_hlo_tools_dir, 'mlir-hlo-opt'),
    config.llvm_tools_dir,
]
tools = [
    'mlir-hlo-opt',
    'mlir-cpu-runner',
    ToolSubst(
        '%mlir_runner_utils_dir',
        config.mlir_runner_utils_dir,
        unresolved='ignore'),
]

llvm_config.add_tool_substitutions(tools, tool_dirs)