t/t4125-apply-ws-fuzz.sh

   1 #!/bin/sh
   2
   3 test_description='applying patch that has broken whitespaces in context'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 test_expect_success setup '
   9
  10         >file &&
  11         git add file &&
  12
  13         # file-0 is full of whitespace breakages
  14         printf "%s \n" a bb c d eeee f ggg h >file-0 &&
  15
  16         # patch-0 creates a whitespace broken file
  17         cat file-0 >file &&
  18         git diff >patch-0 &&
  19         git add file &&
  20
  21         # file-1 is still full of whitespace breakages,
  22         # but has one line updated, without fixing any
  23         # whitespaces.
  24         # patch-1 records that change.
  25         sed -e "s/d/D/" file-0 >file-1 &&
  26         cat file-1 >file &&
  27         git diff >patch-1 &&
  28
  29         # patch-all is the effect of both patch-0 and patch-1
  30         >file &&
  31         git add file &&
  32         cat file-1 >file &&
  33         git diff >patch-all &&
  34
  35         # patch-2 is the same as patch-1 but is based
  36         # on a version that already has whitespace fixed,
  37         # and does not introduce whitespace breakages.
  38         sed -e "s/ \$//" patch-1 >patch-2 &&
  39
  40         # If all whitespace breakages are fixed the contents
  41         # should look like file-fixed
  42         sed -e "s/ \$//" file-1 >file-fixed
  43
  44 '
  45
  46 test_expect_success nofix '
  47
  48         >file &&
  49         git add file &&
  50
  51         # Baseline.  Applying without fixing any whitespace
  52         # breakages.
  53         git apply --whitespace=nowarn patch-0 &&
  54         git apply --whitespace=nowarn patch-1 &&
  55
  56         # The result should obviously match.
  57         test_cmp file-1 file
  58 '
  59
  60 test_expect_success 'withfix (forward)' '
  61
  62         >file &&
  63         git add file &&
  64
  65         # The first application will munge the context lines
  66         # the second patch depends on.  We should be able to
  67         # adjust and still apply.
  68         git apply --whitespace=fix patch-0 &&
  69         git apply --whitespace=fix patch-1 &&
  70
  71         test_cmp file-fixed file
  72 '
  73
  74 test_expect_success 'withfix (backward)' '
  75
  76         >file &&
  77         git add file &&
  78
  79         # Now we have a whitespace breakages on our side.
  80         git apply --whitespace=nowarn patch-0 &&
  81
  82         # And somebody sends in a patch based on image
  83         # with whitespace already fixed.
  84         git apply --whitespace=fix patch-2 &&
  85
  86         # The result should accept the whitespace fixed
  87         # postimage.  But the line with "h" is beyond context
  88         # horizon and left unfixed.
  89
  90         sed -e /h/d file-fixed >fixed-head &&
  91         sed -e /h/d file >file-head &&
  92         test_cmp fixed-head file-head &&
  93
  94         sed -n -e /h/p file-fixed >fixed-tail &&
  95         sed -n -e /h/p file >file-tail &&
  96
  97         ! test_cmp fixed-tail file-tail
  98
  99 '
 100
 101 test_done