feat: adding option to pass in if test step failed

giving a better message when test step fails to run
also `results.passed === 0` doesn't seem to be true when step fails from compile error

action.yml

@@ -16,6 +16,10 @@ inputs:
     description: "Report title"
     required: false
     default: "Test Report"
+  failed:
+    description: "did the test step fail"
+    required: false
+    default: "false"
 runs:
   using: "node12"
   main: "dist/index.js"

src/main.ts

@@ -1,26 +1,33 @@
 import { setFailed, getInput } from "@actions/core";
 import { GitHub, context } from "@actions/github";
-import { readResults, Annotation } from "./nunit";
+import { readResults, Annotation, TestResult } from "./nunit";
 
 function generateSummary(annotation: Annotation): string {
   return `* ${annotation.title}\n   ${annotation.message}`;
 }
 
+function resultCount(results: TestResult, failed: boolean): string {
+  if (results.failed > 0) return `${results.failed} tests failed`;
+
+  // failed without results, could be from compile error
+  if (failed) return `Failed to run tests`;
+
+  return `${results.passed} tests passed`;
+}
+
 async function run(): Promise<void> {
   try {
     const path = getInput("path");
     const numFailures = parseInt(getInput("numFailures"));
     const accessToken = getInput("access-token");
     const title = getInput("reportTitle");
+    const failed = getInput("failed").toLowerCase() === "true";
 
     const results = await readResults(path);
 
     const octokit = new GitHub(accessToken);
 
-    const summary =
-      results.failed > 0
-        ? `${results.failed} tests failed`
-        : `${results.passed} tests passed`;
+    const summary = resultCount(results, failed);
 
     let details =
       results.failed === 0
@@ -42,14 +49,19 @@ async function run(): Promise<void> {
     }
 
     const pr = context.payload.pull_request;
+
+    const conclusion =
+      failed || results.failed > 0 || results.passed === 0
+        ? "failure"
+        : "success";
+
     await octokit.checks.create({
       head_sha: (pr && pr["head"] && pr["head"].sha) || context.sha,
       name: `Tests Report: ${title}`,
       owner: context.repo.owner,
       repo: context.repo.repo,
       status: "completed",
-      conclusion:
-        results.failed > 0 || results.passed === 0 ? "failure" : "success",
+      conclusion,
       output: {
         title,
         summary,