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-rw-r--r--t/lib-t6000.sh136
1 files changed, 136 insertions, 0 deletions
diff --git a/t/lib-t6000.sh b/t/lib-t6000.sh
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index 0000000..fba6778
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+++ b/t/lib-t6000.sh
@@ -0,0 +1,136 @@
+: included from 6002 and others
+
+>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 update-ref "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\""
+}