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_funcname () {
  34         lang=${2-java}
  35         test_expect_code 1 git diff --no-index -U1 \
  36                 "Beer.$lang" "Beer-correct.$lang" >diff &&
  37         grep "^@@.*@@ $1" diff
  38 }
  39
  40 diffpatterns="
  41         ada
  42         bibtex
  43         cpp
  44         csharp
  45         fortran
  46         html
  47         java
  48         matlab
  49         objc
  50         pascal
  51         perl
  52         php
  53         python
  54         ruby
  55         tex
  56 "
  57
  58 for p in $diffpatterns
  59 do
  60         test_expect_success "builtin $p pattern compiles" '
  61                 echo "*.java diff=$p" >.gitattributes &&
  62                 test_expect_code 1 git diff --no-index \
  63                         Beer.java Beer-correct.java 2>msg &&
  64                 ! grep fatal msg &&
  65                 ! grep error msg
  66         '
  67         test_expect_success "builtin $p wordRegex pattern compiles" '
  68                 echo "*.java diff=$p" >.gitattributes &&
  69                 test_expect_code 1 git diff --no-index --word-diff \
  70                         Beer.java Beer-correct.java 2>msg &&
  71                 ! grep fatal msg &&
  72                 ! grep error msg
  73         '
  74 done
  75
  76 test_expect_success 'set up .gitattributes declaring drivers to test' '
  77         cat >.gitattributes <<-\EOF
  78         *.java diff=java
  79         EOF
  80 '
  81
  82 test_expect_success 'preset java pattern' '
  83         test_expect_funcname "public static void main("
  84 '
  85
  86 test_expect_success 'custom pattern' '
  87         test_config diff.java.funcname "!static
  88 !String
  89 [^      ].*s.*" &&
  90         test_expect_funcname "int special;\$"
  91 '
  92
  93 test_expect_success 'last regexp must not be negated' '
  94         test_config diff.java.funcname "!static" &&
  95         test_expect_code 128 git diff --no-index Beer.java Beer-correct.java 2>msg &&
  96         grep ": Last expression must not be negated:" msg
  97 '
  98
  99 test_expect_success 'pattern which matches to end of line' '
 100         test_config diff.java.funcname "Beer\$" &&
 101         test_expect_funcname "Beer\$"
 102 '
 103
 104 test_expect_success 'alternation in pattern' '
 105         test_config diff.java.funcname "Beer$" &&
 106         test_config diff.java.xfuncname "^[     ]*((public|static).*)$" &&
 107         test_expect_funcname "public static void main("
 108 '
 109
 110 test_expect_success 'setup hunk header tests' '
 111         for i in $diffpatterns
 112         do
 113                 echo "$i-* diff=$i"
 114         done > .gitattributes &&
 115
 116         # add all test files to the index
 117         (
 118                 cd "$TEST_DIRECTORY"/t4018 &&
 119                 git --git-dir="$TRASH_DIRECTORY/.git" add .
 120         ) &&
 121
 122         # place modified files in the worktree
 123         for i in $(git ls-files)
 124         do
 125                 sed -e "s/ChangeMe/IWasChanged/" <"$TEST_DIRECTORY/t4018/$i" >"$i" || return 1
 126         done
 127 '
 128
 129 # check each individual file
 130 for i in $(git ls-files)
 131 do
 132         if grep broken "$i" >/dev/null 2>&1
 133         then
 134                 result=failure
 135         else
 136                 result=success
 137         fi
 138         test_expect_$result "hunk header: $i" "
 139                 test_when_finished 'cat actual' &&      # for debugging only
 140                 git diff -U1 $i >actual &&
 141                 grep '@@ .* @@.*RIGHT' actual
 142         "
 143 done
 144
 145 test_done