test: Move test support files to separate dir and keep tests in /test

Signed-off-by: Jacques de Laval <jacques@de-laval.se>

test/tenv/lib.sh

@@ -0,0 +1,123 @@
+#!/bin/sh
+
+assert_num_children() {
+    assert "$1 services are running" "$(texec pgrep -P 1 "$2" | wc -l)" -eq "$1"
+}
+
+texec() {
+    # shellcheck disable=SC2154
+    "$TEST_DIR/tenv/exec.sh" "$finit_pid" "$@"
+}
+
+pause() {
+    echo "Press any key to continue... "
+    read -r REPLY
+}
+
+toggle_finit_debug() {
+    say 'Toggle finit debug'
+    texec initctl debug
+    sleep 0.5
+}
+
+color_reset='\e[0m'
+fg_red='\e[1;31m'
+fg_green='\e[1;32m'
+fg_yellow='\e[1;33m'
+log() {
+    printf "< %s > %b%b%b %s\n" "$0" "$1" "$2" "$color_reset" "$3"
+}
+
+assert() {
+    __assert_msg=$1
+    shift
+    if [ ! "$@" ]; then
+        log "$fg_red" ✘ "$__assert_msg ($*)"
+        return 1
+    fi
+    log "$fg_green" ✔ "$__assert_msg"
+}
+
+retry() {
+    __retry_cmd=$1
+    shift
+    case "$#" in
+        2)
+            __retry_n=$1
+            __retry_sleep=$2
+            ;;
+        1)
+            __retry_n=$1
+            __retry_sleep=0.1
+            ;;
+        *)
+            __retry_n=50
+            __retry_sleep=0.1
+            ;;
+    esac
+
+    for _ in $(seq 1 "$__retry_n"); do
+        sleep "$__retry_sleep"
+        __retry_cmd_out=$(eval "$__retry_cmd") && \
+            echo "$__retry_cmd_out" && \
+            return 0
+    done
+    __retry_cmd_exit="$?"
+    echo "$__retry_cmd_out"
+    return "$__retry_cmd_exit"
+}
+
+say() {
+    log "$fg_yellow" • "$@"
+}
+
+teardown() {
+    test_status="$?"
+
+    if type test_teardown > /dev/null 2>&1 ; then
+	test_teardown
+    fi
+
+    log "$color_reset" '--' ''
+    if [ "$test_status" -eq 0 ]; then
+        log "$fg_green" 'TEST PASS' ''
+    else
+        log "$fg_red" 'TEST FAIL' ''
+    fi
+    if [ -n "${finit_pid+x}" ]; then
+        texec kill -SIGUSR2 1
+    fi
+
+    wait
+
+    if [ -d "$TENV_ROOT/var/lock" ]; then
+        chmod +r "$TENV_ROOT/var/lock"
+    fi
+    rm -f "$TENV_ROOT"/running_test.pid
+}
+
+trap teardown EXIT
+
+TENV_ROOT="${TENV_ROOT:-$(pwd)/${TEST_DIR}/tenv-root}"
+export TENV_ROOT
+
+# shellcheck source=/dev/null
+. "$TENV_ROOT/../test.env"
+
+# Setup test environment
+if [ -n "${DEBUG:-}" ]; then
+    FINIT_ARGS="${FINIT_ARGS:-} finit.debug=on"
+fi
+# shellcheck disable=2086
+"$TEST_DIR/tenv/start.sh" finit ${FINIT_ARGS:-} &
+finit_ppid=$!
+echo "$finit_ppid" > "$TENV_ROOT"/running_test.pid
+
+>&2 echo "Hint: Execute 'TENV_ROOT=$TENV_ROOT $TEST_DIR/tenv/enter.sh' to enter the test namespace"
+log "$color_reset" 'Setup of test environment done' ''
+
+finit_pid=$(retry "pgrep -P $finit_ppid")
+
+tty=/dev/$(texec cat /sys/class/tty/console/active)
+texec cat "$tty" &
+sleep 1