#!/usr/bin/env python
#
# Copyright 2016 WebAssembly Community Group participants
#
# 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.
#

import os
import re

SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))


def FindTestFiles(directory, ext, filter_pattern_re):
  tests = []
  for root, dirs, files in os.walk(directory):
    for f in files:
      path = os.path.join(root, f)
      if os.path.splitext(f)[1] == ext:
        tests.append(os.path.relpath(path, SCRIPT_DIR))
  tests.sort()
  return [test for test in tests if re.match(filter_pattern_re, test)]