git/t/t4126-apply-empty.sh
Junio C Hamano 4f4b18497a Merge branch 'es/test-chain-lint'
Broken &&-chains in the test scripts have been corrected.

* es/test-chain-lint:
  t6000-t9999: detect and signal failure within loop
  t5000-t5999: detect and signal failure within loop
  t4000-t4999: detect and signal failure within loop
  t0000-t3999: detect and signal failure within loop
  tests: simplify by dropping unnecessary `for` loops
  tests: apply modern idiom for exiting loop upon failure
  tests: apply modern idiom for signaling test failure
  tests: fix broken &&-chains in `{...}` groups
  tests: fix broken &&-chains in `$(...)` command substitutions
  tests: fix broken &&-chains in compound statements
  tests: use test_write_lines() to generate line-oriented output
  tests: simplify construction of large blocks of text
  t9107: use shell parameter expansion to avoid breaking &&-chain
  t6300: make `%(raw:size) --shell` test more robust
  t5516: drop unnecessary subshell and command invocation
  t4202: clarify intent by creating expected content less cleverly
  t1020: avoid aborting entire test script when one test fails
  t1010: fix unnoticed failure on Windows
  t/lib-pager: use sane_unset() to avoid breaking &&-chain
2022-01-03 16:24:15 -08:00

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#!/bin/sh
test_description='apply empty'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success setup '
>empty &&
git add empty &&
test_tick &&
git commit -m initial &&
git commit --allow-empty -m "empty commit" &&
git format-patch --always HEAD~ >empty.patch &&
test_write_lines a b c d e >empty &&
cat empty >expect &&
git diff |
sed -e "/^diff --git/d" \
-e "/^index /d" \
-e "s|a/empty|empty.orig|" \
-e "s|b/empty|empty|" >patch0 &&
sed -e "s|empty|missing|" patch0 >patch1 &&
>empty &&
git update-index --refresh
'
test_expect_success 'apply empty' '
rm -f missing &&
test_when_finished "git reset --hard" &&
git apply patch0 &&
test_cmp expect empty
'
test_expect_success 'apply empty patch fails' '
test_when_finished "git reset --hard" &&
test_must_fail git apply empty.patch &&
test_must_fail git apply - </dev/null
'
test_expect_success 'apply with --allow-empty succeeds' '
test_when_finished "git reset --hard" &&
git apply --allow-empty empty.patch &&
git apply --allow-empty - </dev/null
'
test_expect_success 'apply --index empty' '
rm -f missing &&
test_when_finished "git reset --hard" &&
git apply --index patch0 &&
test_cmp expect empty &&
git diff --exit-code
'
test_expect_success 'apply create' '
rm -f missing &&
test_when_finished "git reset --hard" &&
git apply patch1 &&
test_cmp expect missing
'
test_expect_success 'apply --index create' '
rm -f missing &&
test_when_finished "git reset --hard" &&
git apply --index patch1 &&
test_cmp expect missing &&
git diff --exit-code
'
test_done