tools/lint/test/test_clang_format.py

   1 import mozunit
   2 from conftest import build
   3
   4 LINTER = "clang-format"
   5 fixed = 0
   6
   7
   8 def test_good(lint, config, paths):
   9     results = lint(paths("good/"), root=build.topsrcdir, use_filters=False)
  10     print(results)
  11     assert len(results) == 0
  12
  13     results = lint(paths("good/"), root=build.topsrcdir, use_filters=False, fix=True)
  14     assert fixed == len(results)
  15
  16
  17 def test_basic(lint, config, paths):
  18     results = lint(paths("bad/bad.cpp"), root=build.topsrcdir, use_filters=False)
  19     print(results)
  20     assert len(results) == 1
  21
  22     assert "Reformat C/C++" in results[0].message
  23     assert results[0].level == "warning"
  24     assert results[0].lineno == 1
  25     assert results[0].column == 0
  26     assert "bad.cpp" in results[0].path
  27     assert (
  28         results[0].diff
  29         == """\
  30 -int  main ( ) {
  31 -
  32 -return 0;
  33 -
  34 -
  35 -}
  36 +int main() { return 0; }
  37 """  # noqa
  38     )
  39
  40
  41 def test_dir(lint, config, paths):
  42     results = lint(paths("bad/"), root=build.topsrcdir, use_filters=False)
  43     print(results)
  44     assert len(results) == 5
  45
  46     assert "Reformat C/C++" in results[0].message
  47     assert results[0].level == "warning"
  48     assert results[0].lineno == 1
  49     assert results[0].column == 0
  50     assert "bad.cpp" in results[0].path
  51     assert (
  52         results[0].diff
  53         == """\
  54 -int  main ( ) {
  55 -
  56 -return 0;
  57 -
  58 -
  59 -}
  60 +int main() { return 0; }
  61 """  # noqa
  62     )
  63
  64     assert "Reformat C/C++" in results[1].message
  65     assert results[1].level == "warning"
  66     assert results[1].lineno == 1
  67     assert results[1].column == 0
  68     assert "bad2.c" in results[1].path
  69     assert (
  70         results[1].diff
  71         == """\
  72 -#include "bad2.h"
  73 -
  74 -
  75 -int bad2() {
  76 +#include "bad2.h"
  77 +
  78 +int bad2() {
  79 """
  80     )
  81
  82     assert "Reformat C/C++" in results[2].message
  83     assert results[2].level == "warning"
  84     assert results[2].lineno == 5
  85     assert results[2].column == 0
  86     assert "bad2.c" in results[2].path
  87     assert (
  88         results[2].diff
  89         == """\
  90 -  int a =2;
  91 +  int a = 2;
  92 """
  93     )
  94
  95     assert "Reformat C/C++" in results[3].message
  96     assert results[3].level == "warning"
  97     assert results[3].lineno == 6
  98     assert results[3].column == 0
  99     assert "bad2.c" in results[3].path
 100     assert (
 101         results[3].diff
 102         == """\
 103 -  return a;
 104 -
 105 -}
 106 +  return a;
 107 +}
 108 """
 109     )
 110
 111     assert "Reformat C/C++" in results[4].message
 112     assert results[4].level == "warning"
 113     assert results[4].lineno == 1
 114     assert results[4].column == 0
 115     assert "bad2.h" in results[4].path
 116     assert (
 117         results[4].diff
 118         == """\
 119 -int bad2(void );
 120 +int bad2(void);
 121 """
 122     )
 123
 124
 125 def test_fixed(lint, create_temp_file):
 126     contents = """int  main ( ) { \n
 127 return 0; \n
 128
 129 }"""
 130
 131     path = create_temp_file(contents, "ignore.cpp")
 132     lint([path], use_filters=False, fix=True)
 133
 134     assert fixed == 1
 135
 136
 137 if __name__ == "__main__":
 138     mozunit.main()