git-commit-vandalism/t/t0017-env-helper.sh
Ævar Arnfjörð Bjarmason 4a1baacd46 env-helper: move this built-in to "test-tool env-helper"
Since [1] there has been no reason for keeping "git env--helper" a
built-in. The reason it was a built-in to begin with was to support
the GIT_TEST_GETTEXT_POISON mode removed in that commit. I.e. unlike
the rest of "test-tool" it would potentially be called by the
installed git via "git-sh-i18n.sh".

As none of that applies since [1] we should stop carrying this
technical debt, and move it to t/helper/*. As this mostly move-only
change shows this has the nice bonus that we'll stop wasting time
translating the internal-only strings it emits.

Even though this was a built-in, it was intentionally never
documented, see its introduction in [2]. It never saw use outside of
the test suite, except for the "GIT_TEST_GETTEXT_POISON" use-case
noted above.

1. d162b25f95 (tests: remove support for GIT_TEST_GETTEXT_POISON,
   2021-01-20)
2. b4f207f339 (env--helper: new undocumented builtin wrapping
   git_env_*(), 2019-06-21)

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-14 18:07:11 -08:00

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#!/bin/sh
test_description='test test-tool env-helper'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'test-tool env-helper usage' '
test_must_fail test-tool env-helper &&
test_must_fail test-tool env-helper --type=bool &&
test_must_fail test-tool env-helper --type=ulong &&
test_must_fail test-tool env-helper --type=bool &&
test_must_fail test-tool env-helper --type=bool --default &&
test_must_fail test-tool env-helper --type=bool --default= &&
test_must_fail test-tool env-helper --defaultxyz
'
test_expect_success 'test-tool env-helper bad default values' '
test_must_fail test-tool env-helper --type=bool --default=1xyz MISSING &&
test_must_fail test-tool env-helper --type=ulong --default=1xyz MISSING
'
test_expect_success 'test-tool env-helper --type=bool' '
# Test various --default bool values
echo true >expected &&
test-tool env-helper --type=bool --default=1 MISSING >actual &&
test_cmp expected actual &&
test-tool env-helper --type=bool --default=yes MISSING >actual &&
test_cmp expected actual &&
test-tool env-helper --type=bool --default=true MISSING >actual &&
test_cmp expected actual &&
echo false >expected &&
test_must_fail test-tool env-helper --type=bool --default=0 MISSING >actual &&
test_cmp expected actual &&
test_must_fail test-tool env-helper --type=bool --default=no MISSING >actual &&
test_cmp expected actual &&
test_must_fail test-tool env-helper --type=bool --default=false MISSING >actual &&
test_cmp expected actual &&
# No output with --exit-code
test-tool env-helper --type=bool --default=true --exit-code MISSING >actual.out 2>actual.err &&
test_must_be_empty actual.out &&
test_must_be_empty actual.err &&
test_must_fail test-tool env-helper --type=bool --default=false --exit-code MISSING >actual.out 2>actual.err &&
test_must_be_empty actual.out &&
test_must_be_empty actual.err &&
# Existing variable
EXISTS=true test-tool env-helper --type=bool --default=false --exit-code EXISTS >actual.out 2>actual.err &&
test_must_be_empty actual.out &&
test_must_be_empty actual.err &&
test_must_fail \
env EXISTS=false \
test-tool env-helper --type=bool --default=true --exit-code EXISTS >actual.out 2>actual.err &&
test_must_be_empty actual.out &&
test_must_be_empty actual.err
'
test_expect_success 'test-tool env-helper --type=ulong' '
echo 1234567890 >expected &&
test-tool env-helper --type=ulong --default=1234567890 MISSING >actual.out 2>actual.err &&
test_cmp expected actual.out &&
test_must_be_empty actual.err &&
echo 0 >expected &&
test_must_fail test-tool env-helper --type=ulong --default=0 MISSING >actual &&
test_cmp expected actual &&
test-tool env-helper --type=ulong --default=1234567890 --exit-code MISSING >actual.out 2>actual.err &&
test_must_be_empty actual.out &&
test_must_be_empty actual.err &&
EXISTS=1234567890 test-tool env-helper --type=ulong --default=0 EXISTS --exit-code >actual.out 2>actual.err &&
test_must_be_empty actual.out &&
test_must_be_empty actual.err &&
echo 1234567890 >expected &&
EXISTS=1234567890 test-tool env-helper --type=ulong --default=0 EXISTS >actual.out 2>actual.err &&
test_cmp expected actual.out &&
test_must_be_empty actual.err
'
test_expect_success 'test-tool env-helper reads config thanks to trace2' '
mkdir home &&
git config -f home/.gitconfig include.path cycle &&
git config -f home/cycle include.path .gitconfig &&
test_must_fail \
env HOME="$(pwd)/home" \
git config -l 2>err &&
grep "exceeded maximum include depth" err &&
test_must_fail \
env HOME="$(pwd)/home" GIT_TEST_ENV_HELPER=true \
test-tool -C cycle env-helper --type=bool --default=0 --exit-code GIT_TEST_ENV_HELPER 2>err &&
grep "exceeded maximum include depth" err
'
test_done