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git/t/t4211-line-log.sh
Johannes Schindelin c1496934cf t4211: ensure that log respects --output=<file>
The test script t4202-log.sh is already pretty long, and it is a good
idea to test --output with a more obscure option, anyway. So let's
test it in conjunction with line-log.

The most important part of this test, of course, is to ensure that the
file is not closed after writing the diff, but only at the very end
of the log output. That is the entire reason why the test tries to
generate a log that covers more than one commit.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-24 15:20:47 -07:00

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#!/bin/sh
test_description='test log -L'
. ./test-lib.sh
test_expect_success 'setup (import history)' '
git fast-import < "$TEST_DIRECTORY"/t4211/history.export &&
git reset --hard
'
canned_test_1 () {
test_expect_$1 "$2" "
git log $2 >actual &&
test_cmp \"\$TEST_DIRECTORY\"/t4211/expect.$3 actual
"
}
canned_test () {
canned_test_1 success "$@"
}
canned_test_failure () {
canned_test_1 failure "$@"
}
test_bad_opts () {
test_expect_success "invalid args: $1" "
test_must_fail git log $1 2>errors &&
grep '$2' errors
"
}
canned_test "-L 4,12:a.c simple" simple-f
canned_test "-L 4,+9:a.c simple" simple-f
canned_test "-L '/long f/,/^}/:a.c' simple" simple-f
canned_test "-L :f:a.c simple" simple-f-to-main
canned_test "-L '/main/,/^}/:a.c' simple" simple-main
canned_test "-L :main:a.c simple" simple-main-to-end
canned_test "-L 1,+4:a.c simple" beginning-of-file
canned_test "-L 20:a.c simple" end-of-file
canned_test "-L '/long f/',/^}/:a.c -L /main/,/^}/:a.c simple" two-ranges
canned_test "-L 24,+1:a.c simple" vanishes-early
canned_test "-M -L '/long f/,/^}/:b.c' move-support" move-support-f
canned_test "-M -L ':f:b.c' parallel-change" parallel-change-f-to-main
canned_test "-L 4,12:a.c -L :main:a.c simple" multiple
canned_test "-L 4,18:a.c -L ^:main:a.c simple" multiple-overlapping
canned_test "-L :main:a.c -L 4,18:a.c simple" multiple-overlapping
canned_test "-L 4:a.c -L 8,12:a.c simple" multiple-superset
canned_test "-L 8,12:a.c -L 4:a.c simple" multiple-superset
test_bad_opts "-L" "switch.*requires a value"
test_bad_opts "-L b.c" "argument not .start,end:file"
test_bad_opts "-L 1:" "argument not .start,end:file"
test_bad_opts "-L 1:nonexistent" "There is no path"
test_bad_opts "-L 1:simple" "There is no path"
test_bad_opts "-L '/foo:b.c'" "argument not .start,end:file"
test_bad_opts "-L 1000:b.c" "has only.*lines"
test_bad_opts "-L 1,1000:b.c" "has only.*lines"
test_bad_opts "-L :b.c" "argument not .start,end:file"
test_bad_opts "-L :foo:b.c" "no match"
test_expect_success '-L X (X == nlines)' '
n=$(wc -l <b.c) &&
git log -L $n:b.c
'
test_expect_success '-L X (X == nlines + 1)' '
n=$(expr $(wc -l <b.c) + 1) &&
test_must_fail git log -L $n:b.c
'
test_expect_success '-L X (X == nlines + 2)' '
n=$(expr $(wc -l <b.c) + 2) &&
test_must_fail git log -L $n:b.c
'
test_expect_success '-L ,Y (Y == nlines)' '
n=$(printf "%d" $(wc -l <b.c)) &&
git log -L ,$n:b.c
'
test_expect_success '-L ,Y (Y == nlines + 1)' '
n=$(expr $(wc -l <b.c) + 1) &&
test_must_fail git log -L ,$n:b.c
'
test_expect_success '-L ,Y (Y == nlines + 2)' '
n=$(expr $(wc -l <b.c) + 2) &&
test_must_fail git log -L ,$n:b.c
'
test_expect_success '-L with --first-parent and a merge' '
git checkout parallel-change &&
git log --first-parent -L 1,1:b.c
'
test_expect_success '-L with --output' '
git checkout parallel-change &&
git log --output=log -L :main:b.c >output &&
test ! -s output &&
test_line_count = 70 log
'
test_done