summaryrefslogtreecommitdiffstats
path: root/tools/checkdeps/checkdeps_test.py
blob: 2ce80fab9c93e7e107aa3a93ce54a8cbbd57b8f9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
#!/usr/bin/env python
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Tests for checkdeps.
"""

import os
import unittest


import checkdeps
import results


class CheckDepsTest(unittest.TestCase):

  def setUp(self):
    self.deps_checker = checkdeps.DepsChecker(being_tested=True)

  def ImplTestRegularCheckDepsRun(self, ignore_temp_rules, skip_tests):
    self.deps_checker._ignore_temp_rules = ignore_temp_rules
    self.deps_checker._skip_tests = skip_tests
    self.deps_checker.CheckDirectory(
        os.path.join(self.deps_checker.base_directory,
                     'tools/checkdeps/testdata'))

    problems = self.deps_checker.results_formatter.GetResults()
    if skip_tests:
      self.failUnlessEqual(3, len(problems))
    else:
      self.failUnlessEqual(4, len(problems))

    def VerifySubstringsInProblems(key_path, substrings_in_sequence):
      """Finds the problem in |problems| that contains |key_path|,
      then verifies that each of |substrings_in_sequence| occurs in
      that problem, in the order they appear in
      |substrings_in_sequence|.
      """
      found = False
      key_path = os.path.normpath(key_path)
      for problem in problems:
        index = problem.find(key_path)
        if index != -1:
          for substring in substrings_in_sequence:
            index = problem.find(substring, index + 1)
            self.failUnless(index != -1, '%s in %s' % (substring, problem))
          found = True
          break
      if not found:
        self.fail('Found no problem for file %s' % key_path)

    if ignore_temp_rules:
      VerifySubstringsInProblems('testdata/allowed/test.h',
                                 ['-tools/checkdeps/testdata/disallowed',
                                  'temporarily_allowed.h',
                                  '-third_party/explicitly_disallowed',
                                  'Because of no rule applying'])
    else:
      VerifySubstringsInProblems('testdata/allowed/test.h',
                                 ['-tools/checkdeps/testdata/disallowed',
                                  '-third_party/explicitly_disallowed',
                                  'Because of no rule applying'])

    VerifySubstringsInProblems('testdata/disallowed/test.h',
                               ['-third_party/explicitly_disallowed',
                                'Because of no rule applying',
                                'Because of no rule applying'])
    VerifySubstringsInProblems('disallowed/allowed/test.h',
                               ['-third_party/explicitly_disallowed',
                                'Because of no rule applying',
                                'Because of no rule applying'])

    if not skip_tests:
      VerifySubstringsInProblems('allowed/not_a_test.cc',
                                 ['-tools/checkdeps/testdata/disallowed'])

  def testRegularCheckDepsRun(self):
    self.ImplTestRegularCheckDepsRun(False, False)

  def testRegularCheckDepsRunIgnoringTempRules(self):
    self.ImplTestRegularCheckDepsRun(True, False)

  def testRegularCheckDepsRunSkipTests(self):
    self.ImplTestRegularCheckDepsRun(False, True)

  def testRegularCheckDepsRunIgnoringTempRulesSkipTests(self):
    self.ImplTestRegularCheckDepsRun(True, True)

  def CountViolations(self, ignore_temp_rules):
    self.deps_checker._ignore_temp_rules = ignore_temp_rules
    self.deps_checker.results_formatter = results.CountViolationsFormatter()
    self.deps_checker.CheckDirectory(
        os.path.join(self.deps_checker.base_directory,
                     'tools/checkdeps/testdata'))
    return self.deps_checker.results_formatter.GetResults()

  def testCountViolations(self):
    self.failUnlessEqual('10', self.CountViolations(False))

  def testCountViolationsIgnoringTempRules(self):
    self.failUnlessEqual('11', self.CountViolations(True))

  def testTempRulesGenerator(self):
    self.deps_checker.results_formatter = results.TemporaryRulesFormatter()
    self.deps_checker.CheckDirectory(
        os.path.join(self.deps_checker.base_directory,
                     'tools/checkdeps/testdata/allowed'))
    temp_rules = self.deps_checker.results_formatter.GetResults()
    expected = [u'  "!third_party/explicitly_disallowed/bad.h",',
                u'  "!third_party/no_rule/bad.h",',
                u'  "!tools/checkdeps/testdata/disallowed/bad.h",',
                u'  "!tools/checkdeps/testdata/disallowed/teststuff/bad.h",']
    self.failUnlessEqual(expected, temp_rules)

  def testCheckAddedIncludesAllGood(self):
    problems = self.deps_checker.CheckAddedCppIncludes(
      [['tools/checkdeps/testdata/allowed/test.cc',
        ['#include "tools/checkdeps/testdata/allowed/good.h"',
         '#include "tools/checkdeps/testdata/disallowed/allowed/good.h"']
      ]])
    self.failIf(problems)

  def testCheckAddedIncludesManyGarbageLines(self):
    garbage_lines = ["My name is Sam%d\n" % num for num in range(50)]
    problems = self.deps_checker.CheckAddedCppIncludes(
      [['tools/checkdeps/testdata/allowed/test.cc', garbage_lines]])
    self.failIf(problems)

  def testCheckAddedIncludesNoRule(self):
    problems = self.deps_checker.CheckAddedCppIncludes(
      [['tools/checkdeps/testdata/allowed/test.cc',
        ['#include "no_rule_for_this/nogood.h"']
      ]])
    self.failUnless(problems)

  def testCheckAddedIncludesSkippedDirectory(self):
    problems = self.deps_checker.CheckAddedCppIncludes(
      [['tools/checkdeps/testdata/disallowed/allowed/skipped/test.cc',
        ['#include "whatever/whocares.h"']
      ]])
    self.failIf(problems)

  def testCheckAddedIncludesTempAllowed(self):
    problems = self.deps_checker.CheckAddedCppIncludes(
      [['tools/checkdeps/testdata/allowed/test.cc',
        ['#include "tools/checkdeps/testdata/disallowed/temporarily_allowed.h"']
      ]])
    self.failUnless(problems)


if __name__ == '__main__':
  unittest.main()