adding helper

Author: camillobruni

tests/helper.mjs

@@ -0,0 +1,89 @@
+import { styleText } from "node:util";
+import core from "@actions/core";
+import commandLineUsage from "command-line-usage";
+
+export const GITHUB_ACTIONS_OUTPUT = "GITHUB_ACTIONS_OUTPUT" in process.env;
+
+export function log(...args) {
+  if (GITHUB_ACTIONS_OUTPUT)
+    core.info(args.join(" "));
+  else
+    console.log(...args);
+}
+
+export function logInfo(...args) {
+  const text = args.join(" ")
+  if (GITHUB_ACTIONS_OUTPUT)
+    core.info(styleText("yellow", text));
+  else
+    console.log(styleText("yellow", text));
+}
+
+export function logError(...args) {
+  let error;
+  if (args.length == 1 && args[0] instanceof Error)
+    error = args[0];
+  const text = args.join(" ");
+  if (GITHUB_ACTIONS_OUTPUT) {
+    if (error?.stack)
+      core.error(error.stack);
+    else
+      core.error(styleText("red", text));
+  } else {
+    if (error?.stack)
+      console.error(styleText("red", error.stack));
+    else
+      console.error(styleText("red", text));
+  }
+}
+
+export async function logGroup(name, body) {
+  if (GITHUB_ACTIONS_OUTPUT) {
+    core.startGroup(name);
+  } else {
+    logInfo("=".repeat(80));
+    logInfo(name);
+    logInfo(".".repeat(80));
+  }
+  try {
+    return await body();
+  } finally {
+    if (GITHUB_ACTIONS_OUTPUT)
+      core.endGroup();
+  } 
+}
+
+
+export function printHelp(message = "", optionDefinitions) {
+  const usage = commandLineUsage([
+      {
+          header: "Run all tests",
+      },
+      {
+          header: "Options",
+          optionList: optionDefinitions,
+      },
+  ]);
+  if (!message) {
+      console.log(usage);
+      process.exit(0);
+  } else {
+      console.error(message);
+      console.error();
+      console.error(usage);
+      process.exit(1);
+  }
+}
+
+
+export async function runTest(label, testFunction) {
+    try {
+      await logGroup(label, testFunction);
+      logInfo("✅ Test completed!");
+    } catch(e) {
+      logError("❌ Test failed!");
+      logError(e);
+      return false;
+    }
+    return true;
+}