diff options
Diffstat (limited to 't/test-lib-functions.sh')
| -rw-r--r-- | t/test-lib-functions.sh | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index 4dc027d406..04b1a43ef2 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -224,6 +224,32 @@ test_set_prereq () { satisfied_prereq="$satisfied_prereq$1 " } satisfied_prereq=" " +lazily_testable_prereq= lazily_tested_prereq= + +# Usage: test_lazy_prereq PREREQ 'script' +test_lazy_prereq () { + lazily_testable_prereq="$lazily_testable_prereq$1 " + eval test_prereq_lazily_$1=\$2 +} + +test_run_lazy_prereq_ () { + script=' +mkdir -p "$TRASH_DIRECTORY/prereq-test-dir" && +( + cd "$TRASH_DIRECTORY/prereq-test-dir" &&'"$2"' +)' + say >&3 "checking prerequisite: $1" + say >&3 "$script" + test_eval_ "$script" + eval_ret=$? + rm -rf "$TRASH_DIRECTORY/prereq-test-dir" + if test "$eval_ret" = 0; then + say >&3 "prerequisite $1 ok" + else + say >&3 "prerequisite $1 not satisfied" + fi + return $eval_ret +} test_have_prereq () { # prerequisites can be concatenated with ',' @@ -238,6 +264,22 @@ test_have_prereq () { for prerequisite do + case " $lazily_tested_prereq " in + *" $prerequisite "*) + ;; + *) + case " $lazily_testable_prereq " in + *" $prerequisite "*) + eval "script=\$test_prereq_lazily_$prerequisite" && + if test_run_lazy_prereq_ "$prerequisite" "$script" + then + test_set_prereq $prerequisite + fi + lazily_tested_prereq="$lazily_tested_prereq$prerequisite " + esac + ;; + esac + total_prereq=$(($total_prereq + 1)) case "$satisfied_prereq" in *" $prerequisite "*) |