git/t/t4019-diff-wserror.sh
Junio C Hamano 49e703afda core.whitespace: add test for diff whitespace error highlighting
This tests seletive enabling/disabling of whitespace error
highlighting done by colored diff output.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-11-02 17:58:09 -07:00

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#!/bin/sh
test_description='diff whitespace error detection'
. ./test-lib.sh
test_expect_success setup '
git config diff.color.whitespace "blue reverse" &&
>F &&
git add F &&
echo " Eight SP indent" >>F &&
echo " HT and SP indent" >>F &&
echo "With trailing SP " >>F &&
echo "No problem" >>F
'
blue_grep='7;34m' ;# ESC [ 7 ; 3 4 m
test_expect_success default '
git diff --color >output
grep "$blue_grep" output >error
grep -v "$blue_grep" output >normal
grep Eight normal >/dev/null &&
grep HT error >/dev/null &&
grep With error >/dev/null &&
grep No normal >/dev/null
'
test_expect_success 'without -trail' '
git config core.whitespace -trail
git diff --color >output
grep "$blue_grep" output >error
grep -v "$blue_grep" output >normal
grep Eight normal >/dev/null &&
grep HT error >/dev/null &&
grep With normal >/dev/null &&
grep No normal >/dev/null
'
test_expect_success 'without -space' '
git config core.whitespace -space
git diff --color >output
grep "$blue_grep" output >error
grep -v "$blue_grep" output >normal
grep Eight normal >/dev/null &&
grep HT normal >/dev/null &&
grep With error >/dev/null &&
grep No normal >/dev/null
'
test_expect_success 'with indent-non-tab only' '
git config core.whitespace indent,-trailing,-space
git diff --color >output
grep "$blue_grep" output >error
grep -v "$blue_grep" output >normal
grep Eight error >/dev/null &&
grep HT normal >/dev/null &&
grep With normal >/dev/null &&
grep No normal >/dev/null
'
test_done