git/t/t5553-set-upstream.sh
Jeff King 63ec97faf7 t5553: use local url for invalid fetch
We test how "fetch --set-upstream" behaves when given an invalid URL,
using the bogus URL "http://nosuchdomain.example.com". But finding out
that it is invalid requires an actual DNS lookup.

Reduce our dependency on external factors by using an invalid local
filesystem URL, which works just as well for our purposes.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2024-06-26 14:31:17 -07:00

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#!/bin/sh
test_description='"git fetch/pull --set-upstream" basic tests.'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
check_config () {
printf "%s\n" "$2" "$3" >"expect.$1" &&
{
git config "branch.$1.remote" && git config "branch.$1.merge"
} >"actual.$1" &&
test_cmp "expect.$1" "actual.$1"
}
check_config_missing () {
test_expect_code 1 git config "branch.$1.remote" &&
test_expect_code 1 git config "branch.$1.merge"
}
clear_config () {
for branch in "$@"; do
test_might_fail git config --unset-all "branch.$branch.remote"
test_might_fail git config --unset-all "branch.$branch.merge"
done
}
ensure_fresh_upstream () {
rm -rf parent && git init --bare parent
}
test_expect_success 'setup bare parent fetch' '
ensure_fresh_upstream &&
git remote add upstream parent
'
test_expect_success 'setup commit on main and other fetch' '
test_commit one &&
git push upstream main &&
git checkout -b other &&
test_commit two &&
git push upstream other
'
# tests for fetch --set-upstream
test_expect_success 'fetch --set-upstream does not set upstream w/o branch' '
clear_config main other &&
git checkout main &&
git fetch --set-upstream upstream &&
check_config_missing main &&
check_config_missing other
'
test_expect_success 'fetch --set-upstream upstream main sets branch main but not other' '
clear_config main other &&
git fetch --set-upstream upstream main &&
check_config main upstream refs/heads/main &&
check_config_missing other
'
test_expect_success 'fetch --set-upstream upstream other sets branch other' '
clear_config main other &&
git fetch --set-upstream upstream other &&
check_config main upstream refs/heads/other &&
check_config_missing other
'
test_expect_success 'fetch --set-upstream main:other does not set the branch other2' '
clear_config other2 &&
git fetch --set-upstream upstream main:other2 &&
check_config_missing other2
'
test_expect_success 'fetch --set-upstream ./does-not-exist fails with invalid url' '
# main explicitly not cleared, we check that it is not touched from previous value
clear_config other other2 &&
test_must_fail git fetch --set-upstream ./does-not-exist &&
check_config main upstream refs/heads/other &&
check_config_missing other &&
check_config_missing other2
'
test_expect_success 'fetch --set-upstream with valid URL sets upstream to URL' '
clear_config other other2 &&
url="file://$PWD" &&
git fetch --set-upstream "$url" &&
check_config main "$url" HEAD &&
check_config_missing other &&
check_config_missing other2
'
test_expect_success 'fetch --set-upstream with a detached HEAD' '
git checkout HEAD^0 &&
test_when_finished "git checkout -" &&
cat >expect <<-\EOF &&
warning: could not set upstream of HEAD to '"'"'main'"'"' from '"'"'upstream'"'"' when it does not point to any branch.
EOF
git fetch --set-upstream upstream main 2>actual.raw &&
grep ^warning: actual.raw >actual &&
test_cmp expect actual
'
# tests for pull --set-upstream
test_expect_success 'setup bare parent pull' '
git remote rm upstream &&
ensure_fresh_upstream &&
git remote add upstream parent
'
test_expect_success 'setup commit on main and other pull' '
test_commit three &&
git push --tags upstream main &&
test_commit four &&
git push upstream other
'
test_expect_success 'pull --set-upstream upstream main sets branch main but not other' '
clear_config main other &&
git pull --no-rebase --set-upstream upstream main &&
check_config main upstream refs/heads/main &&
check_config_missing other
'
test_expect_success 'pull --set-upstream main:other2 does not set the branch other2' '
clear_config other2 &&
git pull --no-rebase --set-upstream upstream main:other2 &&
check_config_missing other2
'
test_expect_success 'pull --set-upstream upstream other sets branch main' '
clear_config main other &&
git pull --no-rebase --set-upstream upstream other &&
check_config main upstream refs/heads/other &&
check_config_missing other
'
test_expect_success 'pull --set-upstream upstream tag does not set the tag' '
clear_config three &&
git pull --no-rebase --tags --set-upstream upstream three &&
check_config_missing three
'
test_expect_success 'pull --set-upstream ./does-not-exist fails with invalid url' '
# main explicitly not cleared, we check that it is not touched from previous value
clear_config other other2 three &&
test_must_fail git pull --set-upstream ./does-not-exist &&
check_config main upstream refs/heads/other &&
check_config_missing other &&
check_config_missing other2 &&
check_config_missing three
'
test_expect_success 'pull --set-upstream upstream HEAD sets branch HEAD' '
clear_config main other &&
git pull --no-rebase --set-upstream upstream HEAD &&
check_config main upstream HEAD &&
git checkout other &&
git pull --no-rebase --set-upstream upstream HEAD &&
check_config other upstream HEAD
'
test_expect_success 'pull --set-upstream upstream with more than one branch does nothing' '
clear_config main three &&
git pull --no-rebase --set-upstream upstream main three &&
check_config_missing main &&
check_config_missing three
'
test_expect_success 'pull --set-upstream with valid URL sets upstream to URL' '
clear_config main other other2 &&
git checkout main &&
url="file://$PWD" &&
git pull --set-upstream "$url" &&
check_config main "$url" HEAD &&
check_config_missing other &&
check_config_missing other2
'
test_expect_success 'pull --set-upstream with valid URL and branch sets branch' '
clear_config main other other2 &&
git checkout main &&
url="file://$PWD" &&
git pull --set-upstream "$url" main &&
check_config main "$url" refs/heads/main &&
check_config_missing other &&
check_config_missing other2
'
test_expect_success 'pull --set-upstream with a detached HEAD' '
git checkout HEAD^0 &&
test_when_finished "git checkout -" &&
cat >expect <<-\EOF &&
warning: could not set upstream of HEAD to '"'"'main'"'"' from '"'"'upstream'"'"' when it does not point to any branch.
EOF
git pull --no-rebase --set-upstream upstream main 2>actual.raw &&
grep ^warning: actual.raw >actual &&
test_cmp expect actual
'
test_done