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+# Copyright 2014 Andrew Gregory <andrew.gregory.8@gmail.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+#
+# Project URL: http://github.com/andrewgregory/tap.sh
+
+declare -i tap_planned=0 tap_run=0 tap_failed=0 tap_passed=0
+declare tap_todo=''
+
+tap_plan() {
+ tap_planned=$1
+ printf "1..%d\n" "$tap_planned"
+}
+
+tap_done_testing() {
+ tap_plan $tap_run
+}
+
+tap_skip_all() {
+ printf "1..0 # SKIP"
+ _tap_print_reason " " "$@"
+ printf "\n"
+}
+
+tap_diag() {
+ if [[ -n $tap_todo ]]; then
+ tap_note "$@"
+ else
+ tap_note "$@" 1>&2
+ fi
+}
+
+tap_note() {
+ printf "# "
+ printf -- "$@"
+ printf "\n"
+}
+
+tap_bail() {
+ printf "Bail out!"
+ _tap_print_reason " " "$@"
+ printf "\n"
+}
+
+tap_finish() {
+ local tap_todo=''
+ if (( tap_planned != tap_run )); then
+ tap_note "Looks like you planned %d tests but ran %d." "$tap_planned" "$tap_run"
+ elif (( tap_planned == tap_run && tap_failed == 0 )); then
+ tap_note "All %d tests successfully run." "$tap_planned"
+ else
+ tap_note "Failed %d of %d tests." "$tap_failed" "$tap_planned"
+ fi
+ (( tap_planned == tap_run && tap_failed == 0 ))
+}
+
+tap_skip() {
+ local -i count="$1"; shift
+ while (( count-- )); do
+ (( tap_run++ ))
+ printf "ok %d # SKIP" "$tap_run"
+ _tap_print_reason " " "$@"
+ printf "\n"
+ done
+}
+
+_tap_print_reason() {
+ local sep="$1"; shift
+ if [[ $# -gt 0 ]]; then
+ printf "%s" "$sep"
+ printf -- "$@"
+ fi
+}
+
+tap_ok() {
+ local ok="$1"; shift
+ (( tap_run++ ))
+ if [[ $ok -eq 0 ]]; then
+ (( tap_passed++ ))
+ printf "ok %d" "$tap_run"
+ else
+ (( tap_failed++ ))
+ printf "not ok %d" "$tap_run"
+ fi
+ _tap_print_reason " - " "$@"
+ if [[ -n $tap_todo ]]; then
+ printf " # TODO %s" "$tap_todo"
+ fi
+ printf "\n"
+ if [[ $ok -ne 0 ]]; then
+ local line func file
+ local -i i=0
+
+ read line func file < <(caller $i)
+ while [[ -n $func && $func == tap_* ]]; do
+ (( i++ ))
+ read line func file < <(caller $i)
+ done
+
+ if [[ -n $file ]]; then
+ file=${file##*/}
+ if [[ -n $tap_todo ]]; then
+ tap_diag " Failed (TODO) test at %s line %d." "${file}" "$line"
+ else
+ tap_diag " Failed test at %s line %d." "${file}" "$line"
+ fi
+ fi
+ fi
+ return $ok
+}
+
+tap_is_str() {
+ local got="$1" expected="$2"; shift 2
+ [[ $got == $expected ]]
+ local ret=$?
+ if ! tap_ok $ret "$@"; then
+ tap_diag " got: '%s'" "$got"
+ tap_diag " expected: '%s'" "$expected"
+ fi
+ return $ret
+}
+
+tap_is_int() {
+ local got="$1" expected="$2"; shift 2
+ [[ $got -eq $expected ]]
+ local ret=$?
+ if ! tap_ok $ret "$@"; then
+ tap_diag " got: '%s'" "$got"
+ tap_diag " expected: '%s'" "$expected"
+ fi
+ return $ret
+}
+
+tap_diff() {
+ local got="$1" expected="$2"; shift 2
+ local output ret
+ output="$(diff -u --label got --label expected "$got" "$expected" 2>&1)"
+ ret=$?
+ if ! tap_ok $ret "$@"; then
+ while IFS= read line; do
+ tap_diag "$line"
+ done <<<"$output"
+ fi
+ return $ret
+}
+
+# vim: ft=sh