t / t4032-diff-inter-hunk-context.shon commit difftool: print list of valid tools with '--tool-help' (bf73fc2)
   1#!/bin/sh
   2
   3test_description='diff hunk fusing'
   4
   5. ./test-lib.sh
   6
   7f() {
   8        echo $1
   9        i=1
  10        while test $i -le $2
  11        do
  12                echo $i
  13                i=$(expr $i + 1)
  14        done
  15        echo $3
  16}
  17
  18t() {
  19        case $# in
  20        4) hunks=$4; cmd="diff -U$3";;
  21        5) hunks=$5; cmd="diff -U$3 --inter-hunk-context=$4";;
  22        esac
  23        label="$cmd, $1 common $2"
  24        file=f$1
  25        expected=expected.$file.$3.$hunks
  26
  27        if ! test -f $file
  28        then
  29                f A $1 B >$file
  30                git add $file
  31                git commit -q -m. $file
  32                f X $1 Y >$file
  33        fi
  34
  35        test_expect_success "$label: count hunks ($hunks)" "
  36                test $(git $cmd $file | grep '^@@ ' | wc -l) = $hunks
  37        "
  38
  39        test -f $expected &&
  40        test_expect_success "$label: check output" "
  41                git $cmd $file | grep -v '^index ' >actual &&
  42                test_cmp $expected actual
  43        "
  44}
  45
  46cat <<EOF >expected.f1.0.1 || exit 1
  47diff --git a/f1 b/f1
  48--- a/f1
  49+++ b/f1
  50@@ -1,3 +1,3 @@
  51-A
  52+X
  53 1
  54-B
  55+Y
  56EOF
  57
  58cat <<EOF >expected.f1.0.2 || exit 1
  59diff --git a/f1 b/f1
  60--- a/f1
  61+++ b/f1
  62@@ -1 +1 @@
  63-A
  64+X
  65@@ -3 +3 @@ A
  66-B
  67+Y
  68EOF
  69
  70# common lines  ctx     intrctx hunks
  71t 1 line        0               2
  72t 1 line        0       0       2
  73t 1 line        0       1       1
  74t 1 line        0       2       1
  75t 1 line        1               1
  76
  77t 2 lines       0               2
  78t 2 lines       0       0       2
  79t 2 lines       0       1       2
  80t 2 lines       0       2       1
  81t 2 lines       1               1
  82
  83t 3 lines       1               2
  84t 3 lines       1       0       2
  85t 3 lines       1       1       1
  86t 3 lines       1       2       1
  87
  88t 9 lines       3               2
  89t 9 lines       3       2       2
  90t 9 lines       3       3       1
  91
  92test_done