fix: files not found causing tests to not be reported

Fixes #2

Author: connor4312

src/runner-worker.ts

@@ -108,12 +108,13 @@ async function doWork(prefix: string, queue: ITestRunFile[]) {
     }
 
     await new Promise<void>((resolve) => {
+      server.output(`${prefix}starting ${ansiColors.underline(next.path)}`);
+
       const args = ["--require", join(__dirname, "runner-loader.js")];
       for (const include of next.include || []) {
         args.push("--test-name-pattern", `^${escapeRegex(include)}$`);
       }
       args.push(next.path);
-      server.output(`${prefix}starting ${ansiColors.underline(next.path)}`);
 
       const stderr: Buffer[] = [];
       const cp = spawn(process.argv0, args, {

src/source-map-store.ts

@@ -1,6 +1,6 @@
 import { promises as fs } from "fs";
 import * as vscode from "vscode";
-import { IMappingAccessor, parseSourceMap } from "./source-map";
+import { identityMapping, IMappingAccessor, parseSourceMap } from "./source-map";
 
 export interface ISourceMapMaintainer {
   value: Promise<IMappingAccessor> | undefined;
@@ -35,7 +35,10 @@ export class SourceMapStore {
       },
       async refresh(contents) {
         const contentsProm = fs.readFile(uri.fsPath, "utf8") || Promise.resolve(contents);
-        return (rec.accessor = contentsProm.then((c) => parseSourceMap(uri, c)));
+        return (rec.accessor = contentsProm.then(
+          (c) => parseSourceMap(uri, c),
+          () => identityMapping(uri)
+        ));
       },
       dispose() {
         if (--rec.rc === 0) {

src/source-map.ts

@@ -14,7 +14,7 @@ export interface IMappingAccessor {
   originalPositionFor(line: number, col: number): vscode.Location;
 }
 
-const identityMapping = (file: vscode.Uri): IMappingAccessor => ({
+export const identityMapping = (file: vscode.Uri): IMappingAccessor => ({
   originalPositionFor(line, col) {
     // VS Code positions are base 0, adjust the line
     return new vscode.Location(file, new vscode.Position(line - 1, col));

testCases/simple/workspace/withADashTheOtherWay-test.js

@@ -2,5 +2,5 @@ const { test } = require("node:test");
 const { strictEqual } = require("node:assert");
 
 test("addition", () => {
-  strictEqual(1 + 1, 2);
+  require('node:fs').readFileSync('does not exist');
 });