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git/t/t7101-reset.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
#
# Copyright (c) 2006 Shawn Pearce
#
test_description='git-reset should cull empty subdirs'
. ./test-lib.sh
test_expect_success \
'creating initial files' \
'mkdir path0 &&
cp ../../COPYING path0/COPYING &&
git add path0/COPYING &&
git-commit -m add -a'
test_expect_success \
'creating second files' \
'mkdir path1 &&
mkdir path1/path2 &&
cp ../../COPYING path1/path2/COPYING &&
cp ../../COPYING path1/COPYING &&
cp ../../COPYING COPYING &&
cp ../../COPYING path0/COPYING-TOO &&
git add path1/path2/COPYING &&
git add path1/COPYING &&
git add COPYING &&
git add path0/COPYING-TOO &&
git-commit -m change -a'
test_expect_success \
'resetting tree HEAD^' \
'git-reset --hard HEAD^'
test_expect_success \
'checking initial files exist after rewind' \
'test -d path0 &&
test -f path0/COPYING'
test_expect_success \
'checking lack of path1/path2/COPYING' \
'! test -f path1/path2/COPYING'
test_expect_success \
'checking lack of path1/COPYING' \
'! test -f path1/COPYING'
test_expect_success \
'checking lack of COPYING' \
'! test -f COPYING'
test_expect_success \
'checking checking lack of path1/COPYING-TOO' \
'! test -f path0/COPYING-TOO'
test_expect_success \
'checking lack of path1/path2' \
'! test -d path1/path2'
test_expect_success \
'checking lack of path1' \
'! test -d path1'
test_done