t/t4018-diff-funcname.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Johannes E. Schindelin
   4 #
   5
   6 test_description='Test custom diff function name patterns'
   7
   8 . ./test-lib.sh
   9
  10 LF='
  11 '
  12 cat >Beer.java <<\EOF
  13 public class Beer
  14 {
  15         int special;
  16         public static void main(String args[])
  17         {
  18                 String s=" ";
  19                 for(int x = 99; x > 0; x--)
  20                 {
  21                         System.out.print(x + " bottles of beer on the wall "
  22                                 + x + " bottles of beer\n"
  23                                 + "Take one down, pass it around, " + (x - 1)
  24                                 + " bottles of beer on the wall.\n");
  25                 }
  26                 System.out.print("Go to the store, buy some more,\n"
  27                         + "99 bottles of beer on the wall.\n");
  28         }
  29 }
  30 EOF
  31 sed 's/beer\\/beer,\\/' <Beer.java >Beer-correct.java
  32
  33 test_config () {
  34         git config "$1" "$2" &&
  35         test_when_finished "git config --unset $1"
  36 }
  37
  38 test_expect_funcname () {
  39         test_expect_code 1 git diff --no-index \
  40                 Beer.java Beer-correct.java >diff &&
  41         grep "^@@.*@@ $1" diff
  42 }
  43
  44 for p in bibtex cpp csharp fortran html java objc pascal perl php python ruby tex
  45 do
  46         test_expect_success "builtin $p pattern compiles" '
  47                 echo "*.java diff=$p" >.gitattributes &&
  48                 test_expect_code 1 git diff --no-index \
  49                         Beer.java Beer-correct.java 2>msg &&
  50                 ! grep fatal msg &&
  51                 ! grep error msg
  52         '
  53         test_expect_success "builtin $p wordRegex pattern compiles" '
  54                 echo "*.java diff=$p" >.gitattributes &&
  55                 test_expect_code 1 git diff --no-index --word-diff \
  56                         Beer.java Beer-correct.java 2>msg &&
  57                 ! grep fatal msg &&
  58                 ! grep error msg
  59         '
  60 done
  61
  62 test_expect_success 'default behaviour' '
  63         rm -f .gitattributes &&
  64         test_expect_funcname "public class Beer\$"
  65 '
  66
  67 test_expect_success 'set up .gitattributes declaring drivers to test' '
  68         echo "*.java diff=java" >.gitattributes
  69 '
  70
  71 test_expect_success 'preset java pattern' '
  72         test_expect_funcname "public static void main("
  73 '
  74
  75 test_expect_success 'custom pattern' '
  76         test_config diff.java.funcname "!static
  77 !String
  78 [^      ].*s.*" &&
  79         test_expect_funcname "int special;\$"
  80 '
  81
  82 test_expect_success 'last regexp must not be negated' '
  83         test_config diff.java.funcname "!static" &&
  84         test_expect_code 128 git diff --no-index Beer.java Beer-correct.java 2>msg &&
  85         grep ": Last expression must not be negated:" msg
  86 '
  87
  88 test_expect_success 'pattern which matches to end of line' '
  89         test_config diff.java.funcname "Beer\$" &&
  90         test_expect_funcname "Beer\$"
  91 '
  92
  93 test_expect_success 'alternation in pattern' '
  94         test_config diff.java.funcname "Beer$" &&
  95         test_config diff.java.xfuncname "^[     ]*((public|static).*)$" &&
  96         test_expect_funcname "public static void main("
  97 '
  98
  99 test_done