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_expect_success 'setup' '
  34         # a non-trivial custom pattern
  35         git config diff.custom1.funcname "!static
  36 !String
  37 [^      ].*s.*" &&
  38
  39         # a custom pattern which matches to end of line
  40         git config diff.custom2.funcname "......Beer\$" &&
  41
  42         # alternation in pattern
  43         git config diff.custom3.funcname "Beer$" &&
  44         git config diff.custom3.xfuncname "^[   ]*((public|static).*)$"
  45 '
  46
  47 diffpatterns="
  48         ada
  49         bibtex
  50         cpp
  51         csharp
  52         fortran
  53         html
  54         java
  55         matlab
  56         objc
  57         pascal
  58         perl
  59         php
  60         python
  61         ruby
  62         tex
  63         custom1
  64         custom2
  65         custom3
  66 "
  67
  68 for p in $diffpatterns
  69 do
  70         test_expect_success "builtin $p pattern compiles" '
  71                 echo "*.java diff=$p" >.gitattributes &&
  72                 test_expect_code 1 git diff --no-index \
  73                         Beer.java Beer-correct.java 2>msg &&
  74                 ! grep fatal msg &&
  75                 ! grep error msg
  76         '
  77         test_expect_success "builtin $p wordRegex pattern compiles" '
  78                 echo "*.java diff=$p" >.gitattributes &&
  79                 test_expect_code 1 git diff --no-index --word-diff \
  80                         Beer.java Beer-correct.java 2>msg &&
  81                 ! grep fatal msg &&
  82                 ! grep error msg
  83         '
  84 done
  85
  86 test_expect_success 'set up .gitattributes declaring drivers to test' '
  87         cat >.gitattributes <<-\EOF
  88         *.java diff=java
  89         EOF
  90 '
  91
  92 test_expect_success 'last regexp must not be negated' '
  93         test_config diff.java.funcname "!static" &&
  94         test_expect_code 128 git diff --no-index Beer.java Beer-correct.java 2>msg &&
  95         grep ": Last expression must not be negated:" msg
  96 '
  97
  98 test_expect_success 'setup hunk header tests' '
  99         for i in $diffpatterns
 100         do
 101                 echo "$i-* diff=$i"
 102         done > .gitattributes &&
 103
 104         # add all test files to the index
 105         (
 106                 cd "$TEST_DIRECTORY"/t4018 &&
 107                 git --git-dir="$TRASH_DIRECTORY/.git" add .
 108         ) &&
 109
 110         # place modified files in the worktree
 111         for i in $(git ls-files)
 112         do
 113                 sed -e "s/ChangeMe/IWasChanged/" <"$TEST_DIRECTORY/t4018/$i" >"$i" || return 1
 114         done
 115 '
 116
 117 # check each individual file
 118 for i in $(git ls-files)
 119 do
 120         if grep broken "$i" >/dev/null 2>&1
 121         then
 122                 result=failure
 123         else
 124                 result=success
 125         fi
 126         test_expect_$result "hunk header: $i" "
 127                 test_when_finished 'cat actual' &&      # for debugging only
 128                 git diff -U1 $i >actual &&
 129                 grep '@@ .* @@.*RIGHT' actual
 130         "
 131 done
 132
 133 test_done