tests/composition.py

   1 class C:
   2
   3     def test(self) -> None:
   4         with patch("black.out", print):
   5             self.assertEqual(
   6                 unstyle(str(report)), "1 file reformatted, 1 file failed to reformat."
   7             )
   8             self.assertEqual(
   9                 unstyle(str(report)),
  10                 "1 file reformatted, 1 file left unchanged, 1 file failed to reformat.",
  11             )
  12             self.assertEqual(
  13                 unstyle(str(report)),
  14                 "2 files reformatted, 1 file left unchanged, "
  15                 "1 file failed to reformat.",
  16             )
  17             self.assertEqual(
  18                 unstyle(str(report)),
  19                 "2 files reformatted, 2 files left unchanged, "
  20                 "2 files failed to reformat.",
  21             )
  22             for i in (a,):
  23                 if (
  24                     # Rule 1
  25                     i % 2 == 0
  26                     # Rule 2
  27                     and i % 3 == 0
  28                 ):
  29                     while (
  30                         # Just a comment
  31                         call()
  32                         # Another
  33                     ):
  34                         print(i)
  35
  36     def omitting_trailers(self) -> None:
  37         get_collection(
  38             hey_this_is_a_very_long_call, it_has_funny_attributes, really=True
  39         )[OneLevelIndex]
  40         get_collection(
  41             hey_this_is_a_very_long_call, it_has_funny_attributes, really=True
  42         )[OneLevelIndex][TwoLevelIndex][ThreeLevelIndex][FourLevelIndex]
  43         d[0][1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][
  44             22
  45         ]
  46
  47     def easy_asserts(self) -> None:
  48         assert {
  49             key1: value1,
  50             key2: value2,
  51             key3: value3,
  52             key4: value4,
  53             key5: value5,
  54             key6: value6,
  55             key7: value7,
  56             key8: value8,
  57             key9: value9,
  58         } == expected, "Not what we expected"
  59
  60         assert expected == {
  61             key1: value1,
  62             key2: value2,
  63             key3: value3,
  64             key4: value4,
  65             key5: value5,
  66             key6: value6,
  67             key7: value7,
  68             key8: value8,
  69             key9: value9,
  70         }, "Not what we expected"
  71
  72         assert expected == {
  73             key1: value1,
  74             key2: value2,
  75             key3: value3,
  76             key4: value4,
  77             key5: value5,
  78             key6: value6,
  79             key7: value7,
  80             key8: value8,
  81             key9: value9,
  82         }
  83
  84     def tricky_asserts(self) -> None:
  85         assert {
  86             key1: value1,
  87             key2: value2,
  88             key3: value3,
  89             key4: value4,
  90             key5: value5,
  91             key6: value6,
  92             key7: value7,
  93             key8: value8,
  94             key9: value9,
  95         } == expected(
  96             value, is_going_to_be="too long to fit in a single line", srsly=True
  97         ), "Not what we expected"
  98
  99         assert {
 100             key1: value1,
 101             key2: value2,
 102             key3: value3,
 103             key4: value4,
 104             key5: value5,
 105             key6: value6,
 106             key7: value7,
 107             key8: value8,
 108             key9: value9,
 109         } == expected, (
 110             "Not what we expected and the message is too long to fit in one line"
 111         )
 112
 113         assert expected(
 114             value, is_going_to_be="too long to fit in a single line", srsly=True
 115         ) == {
 116             key1: value1,
 117             key2: value2,
 118             key3: value3,
 119             key4: value4,
 120             key5: value5,
 121             key6: value6,
 122             key7: value7,
 123             key8: value8,
 124             key9: value9,
 125         }, "Not what we expected"
 126
 127         assert expected == {
 128             key1: value1,
 129             key2: value2,
 130             key3: value3,
 131             key4: value4,
 132             key5: value5,
 133             key6: value6,
 134             key7: value7,
 135             key8: value8,
 136             key9: value9,
 137         }, (
 138             "Not what we expected and the message is too long to fit "
 139             "in one line because it's too long"
 140         )
 141
 142         # This is weird but true.
 143         assert expectedexpectedexpectedexpectedexpectedexpectedexpectedexpectedexpect == {
 144             key1: value1,
 145             key2: value2,
 146             key3: value3,
 147             key4: value4,
 148             key5: value5,
 149             key6: value6,
 150             key7: value7,
 151             key8: value8,
 152             key9: value9,
 153         }