# -*- Python -*-
# Copyright 2021 The IREE Authors
#
# Licensed under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

import os
import platform
import re
import subprocess
import tempfile

import lit.formats
import lit.util

from lit.llvm import llvm_config
from lit.llvm.subst import ToolSubst
from lit.llvm.subst import FindTool

# Configuration file for the 'lit' test runner.

# name: The name of this test suite.
config.name = "IREE_DIALECTS"

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

# suffixes: A list of file extensions to treat as test files.
config.suffixes = [".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.iree_dialects_obj_root, "test")

config.substitutions.append(("%PATH%", config.environment["PATH"]))
config.substitutions.append(("%shlibext", config.llvm_shlib_ext))
config.substitutions.append(
    ("%resources_dir", os.path.join(config.iree_dialects_obj_root, "resources"))
)

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",
    "lit.cfg.py",
    "lit.site.cfg.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.iree_dialects_obj_root, "test")
config.standalone_tools_dir = os.path.join(config.iree_dialects_obj_root, "bin")

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

tool_dirs = [config.llvm_tools_binary_dir]
tools = [
    ToolSubst("%PYTHON", config.python_executable, unresolved="ignore"),
    ToolSubst("iree-dialects-opt"),
]

llvm_config.add_tool_substitutions(tools, tool_dirs)

if config.enable_bindings_python:
    llvm_config.with_environment(
        "PYTHONPATH",
        [
            os.path.join(
                config.iree_dialects_obj_root, "python_packages", "iree_dialects"
            ),
        ],
        append_path=True,
    )