1 files changed, 62 insertions, 0 deletions
diff --git a/test/lib/test.sh b/test/lib/test.sh
new file mode 100644
index 0000000..ee35b05
--- /dev/null
+++ b/test/lib/test.sh
@@ -0,0 +1,62 @@
+# Copyright (c) 2026 Egor Tensin <egor@tensin.name>
+# This file is part of the "linux-status" project.
+# For details, see https://github.com/egor-tensin/linux-status
+# Distributed under the MIT License.
+
+test_should_fail=
+test_root_dir=
+
+test_server_port=35605
+test_server_pid=
+
+_test_run_server() {
+    log "Starting up server..."
+    log_run "$script_dir/../src/server.py" --port "$test_server_port"
+    "$script_dir/../src/server.py" --port "$test_server_port" >&2 &
+    test_server_pid="$!"
+    log "Server's PID: $test_server_pid"
+    sleep 5
+}
+
+_test_kill_server() {
+    if [ -n "$test_server_pid" ]; then
+        log "Stopping server: $test_server_pid"
+        kill "$test_server_pid"
+        log "Waiting for it to terminate..."
+        wait "$test_server_pid" || true
+    fi
+}
+
+test_setup() {
+    test_root_dir="$( mktemp -d )"
+    _test_run_server
+}
+
+test_cleanup_default() {
+    if [ -n "$test_root_dir" ]; then
+        log "Removing test's root directory: $test_root_dir"
+        rm -rf -- "$test_root_dir"
+    fi
+    _test_kill_server
+}
+
+test_check_output() {
+    if [ "$#" -lt 1 ]; then
+        log "usage: ${FUNCNAME[0]} PATH [KEYWORD...]"
+        return 1
+    fi
+
+    local path="$1"
+    shift
+
+    local keyword
+    for keyword; do
+        if ! grep --fixed-strings --quiet -- "$keyword" "$path"; then
+            fail "The following pattern hasn't been found in $path:"
+            fail_details "$keyword"
+            log "Output:"
+            cat -- "$path" >&2
+            return 1
+        fi
+    done
+}