git/t/t6023-merge-file.sh
Junio C Hamano 3af828634f tests: do not use implicit "git diff --no-index"
As a general principle, we should not use "git diff" to validate the
results of what git command that is being tested has done.  We would not
know if we are testing the command in question, or locating a bug in the
cute hack of "git diff --no-index".

Rather use test_cmp for that purpose.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-05-24 00:01:56 -07:00

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#!/bin/sh
test_description='RCS merge replacement: merge-file'
. ./test-lib.sh
cat > orig.txt << EOF
Dominus regit me,
et nihil mihi deerit.
In loco pascuae ibi me collocavit,
super aquam refectionis educavit me;
animam meam convertit,
deduxit me super semitas jusitiae,
propter nomen suum.
EOF
cat > new1.txt << EOF
Dominus regit me,
et nihil mihi deerit.
In loco pascuae ibi me collocavit,
super aquam refectionis educavit me;
animam meam convertit,
deduxit me super semitas jusitiae,
propter nomen suum.
Nam et si ambulavero in medio umbrae mortis,
non timebo mala, quoniam tu mecum es:
virga tua et baculus tuus ipsa me consolata sunt.
EOF
cat > new2.txt << EOF
Dominus regit me, et nihil mihi deerit.
In loco pascuae ibi me collocavit,
super aquam refectionis educavit me;
animam meam convertit,
deduxit me super semitas jusitiae,
propter nomen suum.
EOF
cat > new3.txt << EOF
DOMINUS regit me,
et nihil mihi deerit.
In loco pascuae ibi me collocavit,
super aquam refectionis educavit me;
animam meam convertit,
deduxit me super semitas jusitiae,
propter nomen suum.
EOF
cat > new4.txt << EOF
Dominus regit me, et nihil mihi deerit.
In loco pascuae ibi me collocavit,
super aquam refectionis educavit me;
animam meam convertit,
deduxit me super semitas jusitiae,
EOF
printf "propter nomen suum." >> new4.txt
cp new1.txt test.txt
test_expect_success "merge without conflict" \
"git merge-file test.txt orig.txt new2.txt"
cp new1.txt test2.txt
test_expect_success "merge without conflict (missing LF at EOF)" \
"git merge-file test2.txt orig.txt new2.txt"
test_expect_success "merge result added missing LF" \
"test_cmp test.txt test2.txt"
cp test.txt backup.txt
test_expect_success "merge with conflicts" \
"! git merge-file test.txt orig.txt new3.txt"
cat > expect.txt << EOF
<<<<<<< test.txt
Dominus regit me, et nihil mihi deerit.
=======
DOMINUS regit me,
et nihil mihi deerit.
>>>>>>> new3.txt
In loco pascuae ibi me collocavit,
super aquam refectionis educavit me;
animam meam convertit,
deduxit me super semitas jusitiae,
propter nomen suum.
Nam et si ambulavero in medio umbrae mortis,
non timebo mala, quoniam tu mecum es:
virga tua et baculus tuus ipsa me consolata sunt.
EOF
test_expect_success "expected conflict markers" "test_cmp test.txt expect.txt"
cp backup.txt test.txt
test_expect_success "merge with conflicts, using -L" \
"! git merge-file -L 1 -L 2 test.txt orig.txt new3.txt"
cat > expect.txt << EOF
<<<<<<< 1
Dominus regit me, et nihil mihi deerit.
=======
DOMINUS regit me,
et nihil mihi deerit.
>>>>>>> new3.txt
In loco pascuae ibi me collocavit,
super aquam refectionis educavit me;
animam meam convertit,
deduxit me super semitas jusitiae,
propter nomen suum.
Nam et si ambulavero in medio umbrae mortis,
non timebo mala, quoniam tu mecum es:
virga tua et baculus tuus ipsa me consolata sunt.
EOF
test_expect_success "expected conflict markers, with -L" \
"test_cmp test.txt expect.txt"
sed "s/ tu / TU /" < new1.txt > new5.txt
test_expect_success "conflict in removed tail" \
"! git merge-file -p orig.txt new1.txt new5.txt > out"
cat > expect << EOF
Dominus regit me,
et nihil mihi deerit.
In loco pascuae ibi me collocavit,
super aquam refectionis educavit me;
animam meam convertit,
deduxit me super semitas jusitiae,
propter nomen suum.
<<<<<<< orig.txt
=======
Nam et si ambulavero in medio umbrae mortis,
non timebo mala, quoniam TU mecum es:
virga tua et baculus tuus ipsa me consolata sunt.
>>>>>>> new5.txt
EOF
test_expect_success "expected conflict markers" "test_cmp expect out"
test_expect_success 'binary files cannot be merged' '
! git merge-file -p orig.txt ../test4012.png new1.txt 2> merge.err &&
grep "Cannot merge binary files" merge.err
'
sed -e "s/deerit.$/deerit;/" -e "s/me;$/me./" < new5.txt > new6.txt
sed -e "s/deerit.$/deerit,/" -e "s/me;$/me,/" < new5.txt > new7.txt
test_expect_success 'MERGE_ZEALOUS simplifies non-conflicts' '
! git merge-file -p new6.txt new5.txt new7.txt > output &&
test 1 = $(grep ======= < output | wc -l)
'
sed -e 's/deerit./&\n\n\n\n/' -e "s/locavit,/locavit;/" < new6.txt > new8.txt
sed -e 's/deerit./&\n\n\n\n/' -e "s/locavit,/locavit --/" < new7.txt > new9.txt
test_expect_success 'ZEALOUS_ALNUM' '
! git merge-file -p new8.txt new5.txt new9.txt > merge.out &&
test 1 = $(grep ======= < merge.out | wc -l)
'
test_done