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-rw-r--r--tests/lib.sh122
1 files changed, 122 insertions, 0 deletions
diff --git a/tests/lib.sh b/tests/lib.sh
new file mode 100644
index 0000000..649c61d
--- /dev/null
+++ b/tests/lib.sh
@@ -0,0 +1,122 @@
+#!/bin/sh
+
+
+export TMPDIR="${TMPDIR:-$XDG_RUNTIME_DIR}"
+
+end="\033[0m"
+red="\033[0;31m"
+green="\033[0;32m"
+yellow="\033[0;33m"
+
+N=
+OUT=
+ERR=
+STATUS=
+
+ERROR() {
+ # shellcheck disable=2059
+ printf "${red}ERROR${end}"
+}
+
+print_debug_info() {
+ # shellcheck disable=2016
+ printf 'LINENO: %s\n$OUT: %s\n$ERR: %s\n' \
+ "$N" "$OUT" "$ERR" >&2
+}
+
+assert_status() {
+ if [ "$STATUS" != "$1" ]; then
+ printf '\n%s: Bad status.\n\nexpected: %s\ngot: %s\n' \
+ "$(ERROR)" "$1" "$STATUS" >&2
+ print_debug_info
+ exit 1
+ fi
+}
+
+assert_usage() {
+ if ! grep -Fq 'Usage' "$1"; then
+ echo 'Expected to find "Usage" text, it was missing:' >&2
+ cat "$1" >&2
+ print_debug_info
+ exit 1
+ fi
+}
+
+assert_empty_stream() {
+ if [ -s "$2" ]; then
+ FMT='\n%s: Expected %s (%s) to be empty, but has content:\n%s\n'
+ # shellcheck disable=2059
+ printf "$FMT" \
+ "$(ERROR)" "$1" "$2" "$(cat "$2")" >&2
+ print_debug_info
+ exit 1
+ fi
+}
+
+assert_empty_stdout() {
+ assert_empty_stream STDOUT "$OUT"
+}
+
+assert_empty_stderr() {
+ assert_empty_stream STDERR "$ERR"
+}
+
+assert_stream() {
+ if [ "$(cat "$2")" != "$3" ]; then
+ printf '\n%s: Bad %s (%s)\n\nexpected: %s\ngot: %s\n' \
+ "$(ERROR)" "$1" "$2" "$3" "$(cat "$2")" >&2
+ print_debug_info
+ exit 1
+ fi
+}
+
+assert_stdout() {
+ assert_stream STDOUT "$OUT" "$1"
+}
+
+assert_stderr() {
+ assert_stream STDERR "$ERR" "$1"
+}
+
+assert_grep_stream() {
+ if ! grep -qE "$3" "$2"; then
+ printf '\n%s: Bad %s (%s)\n\ngrepping: %s\nin:\n%s\n' \
+ "$(ERROR)" "$1" "$2" "$3" "$(cat "$2")" >&2
+ print_debug_info
+ exit 1
+ fi
+}
+
+assert_grep_stdout() {
+ assert_grep_stream STDOUT "$OUT" "$1"
+}
+
+assert_grep_stderr() {
+ assert_grep_stream STDERR "$ERR" "$1"
+}
+
+assert_fgrep_stream() {
+ if ! grep -Fq -- "$3" "$2"; then
+ printf '\n%s: Bad %s (%s)\n\ngrepping: %s\nin:\n%s\n' \
+ "$(ERROR)" "$1" "$2" "$3" "$(cat "$2")" >&2
+ print_debug_info
+ exit 1
+ fi
+}
+
+assert_fgrep_stdout() {
+ assert_fgrep_stream STDOUT "$OUT" "$1"
+}
+
+assert_fgrep_stderr() {
+ assert_fgrep_stream STDERR "$ERR" "$1"
+}
+
+testing() {
+ printf "${yellow}testing${end}: %s..." "$1" >&2
+}
+
+test_ok() {
+ # shellcheck disable=2059
+ printf " ${green}OK${end}.\n" >&2
+}