1 files changed, 143 insertions, 0 deletions
diff --git a/src/main.sh b/src/main.sh
new file mode 100755
index 0000000..ff5aeac
--- /dev/null
+++ b/src/main.sh
@@ -0,0 +1,143 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2026 Egor Tensin <egor@tensin.name>
+# This file is part of the "test-harness" project.
+# For details, see https://github.com/egor-tensin/test-harness
+# Distributed under the MIT License.
+
+set -o errexit -o nounset -o pipefail
+shopt -s inherit_errexit 2> /dev/null || true
+shopt -s lastpipe
+
+_script_name="$( basename -- "${BASH_SOURCE[0]}" )"
+readonly _script_name
+_script_path="$( realpath -e -- "${BASH_SOURCE[0]}" )"
+readonly _script_path
+_script_dir="$( dirname -- "$_script_path" )"
+_script_dir="$( cd -- "$_script_dir" && pwd )"
+readonly _script_dir
+
+source "$_script_dir/log.sh"
+
+_test_run_file() {
+    local test_file
+    for test_file; do
+        source "$_script_dir/test.sh"
+
+        local lib_file
+        find "$tests_dir/lib" \
+            -mindepth 1 \
+            -maxdepth 1 \
+            -type f \
+            -name '*.sh' \
+            -print0 \
+            | sort -z \
+            | \
+        while IFS= read -d '' -r lib_file; do
+            source "$lib_file"
+        done
+
+        source "$tests_dir/$test_file"
+
+        _log_test_start "$test_file"
+
+        set +e
+        (
+            set -o errexit -o nounset -o pipefail
+            shopt -s inherit_errexit 2> /dev/null || true
+            shopt -s lastpipe
+
+            trap _test_cleanup_global EXIT
+            _test_setup_global
+            test_run
+        )
+        local ret="$?"
+        set -e
+
+        _log_test_finish "$test_file" "$ret"
+    done
+}
+
+_test_usage() {
+    local msg
+    for msg; do
+        echo "$_script_name: $msg"
+    done
+
+    echo "usage: $_script_name [-h|--help] [-d|--dir DIR] [-f|--filter NAME_PATTERN]
+  -h,--help      show this message and exit
+  -d,--dir       directory with tests
+  -f,--filter    only run tests with names matching the pattern (uses fnmatch(3))"
+}
+
+_test_parse_args() {
+    tests_dir="$_script_dir/../.."
+    _test_pattern='*'
+
+    while [ "$#" -gt 0 ]; do
+        local key="$1"
+        shift
+
+        case "$key" in
+            -h|--help)
+                _test_usage
+                exit 0
+                ;;
+            -d|--dir|-f|--filter)
+                ;;
+            *)
+                _test_usage "unrecognized parameter: $key" >&2
+                return 1
+                ;;
+        esac
+
+        if [ "$#" -eq 0 ]; then
+            _test_usage "missing argument for parameter: $key" >&2
+            return 1
+        fi
+
+        local value="$1"
+        shift
+
+        case "$key" in
+            -d|--dir)
+                tests_dir="$value"
+                ;;
+            -f|--filter)
+                _test_pattern="$value"
+                ;;
+            *)
+                _test_usage "unrecognized parameter: $key" >&2
+                return 1
+                ;;
+        esac
+    done
+
+    tests_dir="$( realpath -e -- "$tests_dir" )"
+}
+
+_test_main() {
+    _test_parse_args "$@"
+
+    local -a test_files=()
+    local test_file
+
+    find "$tests_dir" \
+        -mindepth 1 \
+        -maxdepth 1 \
+        -type f \
+        -regex '.*/tst-.*\.sh$' \
+        -regextype posix-basic \
+        -name "$_test_pattern" \
+        -printf '%P\0' \
+        | sort -z \
+        | \
+    while IFS= read -d '' -r test_file; do
+        test_files+=("$test_file")
+    done
+
+    _test_run_file ${test_files[@]+"${test_files[@]}"}
+    _log_tests_summary
+}
+
+_test_main "$@"