git/t/lib-t6000.sh
David Turner cbc5cf7ce5 t: make many tests depend less on the refs being files
Many tests are very focused on the file system representation of the
loose and packed refs code. As there are plans to implement other
ref storage systems, let's migrate these tests to a form that test
the intent of the refs storage system instead of it internals.

This will make clear to readers that these tests do not depend on
which ref backend is used.

The internals of the loose refs backend are still tested in
t1400-update-ref.sh, whereas the tests changed in this patch focus
on testing other aspects.

This patch just takes care of many low hanging fruits. It does not
try to completely solves the issue.

Helped-by: Stefan Beller <sbeller@google.com>
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-23 14:59:38 +09:00

138 lines
2.9 KiB
Bash

: included from 6002 and others
mkdir -p .git/refs/tags
>sed.script
# Answer the sha1 has associated with the tag. The tag must exist under refs/tags
tag () {
_tag=$1
git rev-parse --verify "refs/tags/$_tag" ||
error "tag: \"$_tag\" does not exist"
}
# Generate a commit using the text specified to make it unique and the tree
# named by the tag specified.
unique_commit () {
_text=$1
_tree=$2
shift 2
echo "$_text" | git commit-tree $(tag "$_tree") "$@"
}
# Save the output of a command into the tag specified. Prepend
# a substitution script for the tag onto the front of sed.script
save_tag () {
_tag=$1
test -n "$_tag" || error "usage: save_tag tag commit-args ..."
shift 1
"$@" >".git/refs/tags/$_tag"
echo "s/$(tag $_tag)/$_tag/g" >sed.script.tmp
cat sed.script >>sed.script.tmp
rm sed.script
mv sed.script.tmp sed.script
}
# Replace unhelpful sha1 hashes with their symbolic equivalents
entag () {
sed -f sed.script
}
# Execute a command after first saving, then setting the GIT_AUTHOR_EMAIL
# tag to a specified value. Restore the original value on return.
as_author () {
_author=$1
shift 1
_save=$GIT_AUTHOR_EMAIL
GIT_AUTHOR_EMAIL="$_author"
export GIT_AUTHOR_EMAIL
"$@"
if test -z "$_save"
then
unset GIT_AUTHOR_EMAIL
else
GIT_AUTHOR_EMAIL="$_save"
export GIT_AUTHOR_EMAIL
fi
}
commit_date () {
_commit=$1
git cat-file commit $_commit |
sed -n "s/^committer .*> \([0-9]*\) .*/\1/p"
}
# Assign the value of fake date to a variable, but
# allow fairly common "1971-08-16 00:00" to be omittd
assign_fake_date () {
case "$2" in
??:??:??) eval "$1='1971-08-16 $2'" ;;
??:??) eval "$1='1971-08-16 00:$2'" ;;
??) eval "$1='1971-08-16 00:00:$2'" ;;
*) eval "$1='$2'" ;;
esac
}
on_committer_date () {
assign_fake_date GIT_COMMITTER_DATE "$1"
export GIT_COMMITTER_DATE
shift 1
"$@"
}
on_dates () {
assign_fake_date GIT_COMMITTER_DATE "$1"
assign_fake_date GIT_AUTHOR_DATE "$2"
export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
shift 2
"$@"
}
# Execute a command and suppress any error output.
hide_error () {
"$@" 2>/dev/null
}
check_output () {
_name=$1
shift 1
if eval "$*" | entag >"$_name.actual"
then
test_cmp "$_name.expected" "$_name.actual"
else
return 1
fi
}
# Turn a reasonable test description into a reasonable test name.
# All alphanums translated into -'s which are then compressed and stripped
# from front and back.
name_from_description () {
perl -pe '
s/[^A-Za-z0-9.]/-/g;
s/-+/-/g;
s/-$//;
s/^-//;
y/A-Z/a-z/;
'
}
# Execute the test described by the first argument, by eval'ing
# command line specified in the 2nd argument. Check the status code
# is zero and that the output matches the stream read from
# stdin.
test_output_expect_success()
{
_description=$1
_test=$2
test $# -eq 2 ||
error "usage: test_output_expect_success description test <<EOF ... EOF"
_name=$(echo $_description | name_from_description)
cat >"$_name.expected"
test_expect_success "$_description" "check_output $_name \"$_test\""
}