clang/tools/scan-build-py/tests/functional/cases/test_exec_anatomy.py

   1 # -*- coding: utf-8 -*-
   2 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   3 # See https://llvm.org/LICENSE.txt for license information.
   4 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   5
   6 import libear
   7 import unittest
   8
   9 import os.path
  10 import subprocess
  11 import json
  12
  13
  14 def run(source_dir, target_dir):
  15     def execute(cmd):
  16         return subprocess.check_call(
  17             cmd, cwd=target_dir, stdout=subprocess.PIPE, stderr=subprocess.STDOUT
  18         )
  19
  20     execute(["cmake", source_dir])
  21     execute(["make"])
  22
  23     result_file = os.path.join(target_dir, "result.json")
  24     expected_file = os.path.join(target_dir, "expected.json")
  25     execute(["intercept-build", "--cdb", result_file, "./exec", expected_file])
  26     return (expected_file, result_file)
  27
  28
  29 class ExecAnatomyTest(unittest.TestCase):
  30     def assertEqualJson(self, expected, result):
  31         def read_json(filename):
  32             with open(filename) as handler:
  33                 return json.load(handler)
  34
  35         lhs = read_json(expected)
  36         rhs = read_json(result)
  37         for item in lhs:
  38             self.assertTrue(rhs.count(item))
  39         for item in rhs:
  40             self.assertTrue(lhs.count(item))
  41
  42     def test_all_exec_calls(self):
  43         this_dir, _ = os.path.split(__file__)
  44         source_dir = os.path.abspath(os.path.join(this_dir, "..", "exec"))
  45         with libear.TemporaryDirectory() as tmp_dir:
  46             expected, result = run(source_dir, tmp_dir)
  47             self.assertEqualJson(expected, result)