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git/t/t5530-upload-pack-error.sh
Junio C Hamano 41ac414ea2 Sane use of test_expect_failure
Originally, test_expect_failure was designed to be the opposite
of test_expect_success, but this was a bad decision.  Most tests
run a series of commands that leads to the single command that
needs to be tested, like this:

    test_expect_{success,failure} 'test title' '
	setup1 &&
        setup2 &&
        setup3 &&
        what is to be tested
    '

And expecting a failure exit from the whole sequence misses the
point of writing tests.  Your setup$N that are supposed to
succeed may have failed without even reaching what you are
trying to test.  The only valid use of test_expect_failure is to
check a trivial single command that is expected to fail, which
is a minority in tests of Porcelain-ish commands.

This large-ish patch rewrites all uses of test_expect_failure to
use test_expect_success and rewrites the condition of what is
tested, like this:

    test_expect_success 'test title' '
	setup1 &&
        setup2 &&
        setup3 &&
        ! this command should fail
    '

test_expect_failure is redefined to serve as a reminder that
that test *should* succeed but due to a known breakage in git it
currently does not pass.  So if git-foo command should create a
file 'bar' but you discovered a bug that it doesn't, you can
write a test like this:

    test_expect_failure 'git-foo should create bar' '
        rm -f bar &&
        git foo &&
        test -f bar
    '

This construct acts similar to test_expect_success, but instead
of reporting "ok/FAIL" like test_expect_success does, the
outcome is reported as "FIXED/still broken".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-02-01 20:49:34 -08:00

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#!/bin/sh
test_description='errors in upload-pack'
. ./test-lib.sh
D=`pwd`
corrupt_repo () {
object_sha1=$(git rev-parse "$1") &&
ob=$(expr "$object_sha1" : "\(..\)") &&
ject=$(expr "$object_sha1" : "..\(..*\)") &&
rm -f ".git/objects/$ob/$ject"
}
test_expect_success 'setup and corrupt repository' '
echo file >file &&
git add file &&
git rev-parse :file &&
git commit -a -m original &&
test_tick &&
echo changed >file &&
git commit -a -m changed &&
corrupt_repo HEAD:file
'
test_expect_success 'fsck fails' '
! git fsck
'
test_expect_success 'upload-pack fails due to error in pack-objects' '
! echo "0032want $(git rev-parse HEAD)
00000009done
0000" | git-upload-pack . > /dev/null 2> output.err &&
grep "pack-objects died" output.err
'
test_expect_success 'corrupt repo differently' '
git hash-object -w file &&
corrupt_repo HEAD^^{tree}
'
test_expect_success 'fsck fails' '
! git fsck
'
test_expect_success 'upload-pack fails due to error in rev-list' '
! echo "0032want $(git rev-parse HEAD)
00000009done
0000" | git-upload-pack . > /dev/null 2> output.err &&
grep "waitpid (async) failed" output.err
'
test_expect_success 'create empty repository' '
mkdir foo &&
cd foo &&
git init
'
test_expect_success 'fetch fails' '
! git fetch .. master
'
test_done