Upload Kmake

test/fixtures/test-runner/custom_reporters/coverage.mjs

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+import { Transform } from 'node:stream';
+
+export default class CoverageReporter extends Transform {
+  constructor(options) {
+    super({ ...options, writableObjectMode: true });
+  }
+
+  _transform(event, _encoding, callback) {
+    if (event.type === 'test:coverage') {
+      callback(null, JSON.stringify(event.data, null, 2));
+    } else {
+      callback(null);
+    }
+  }
+}

test/fixtures/test-runner/custom_reporters/custom.cjs

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+const { Transform } = require('node:stream');
+
+const customReporter = new Transform({
+  writableObjectMode: true,
+  transform(event, encoding, callback) {
+    this.counters ??= {};
+    this.counters[event.type] = (this.counters[event.type] ?? 0) + 1;
+    callback();
+  },
+  flush(callback) {
+    this.push('custom.cjs ')
+    this.push(JSON.stringify(this.counters));
+    callback();
+  }
+});
+
+module.exports = customReporter;

test/fixtures/test-runner/custom_reporters/custom.js

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+const assert = require('assert');
+const path = require('path');
+
+module.exports = async function * customReporter(source) {
+  const counters = {};
+  for await (const event of source) {
+    if (event.data.file) {
+      assert.strictEqual(event.data.file, path.resolve(__dirname, '../reporters.js'));
+    }
+    counters[event.type] = (counters[event.type] ?? 0) + 1;
+  }
+  yield "custom.js ";
+  yield JSON.stringify(counters);
+};

test/fixtures/test-runner/custom_reporters/custom.mjs

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+export default async function * customReporter(source) {
+  const counters = {};
+  for await (const event of source) {
+    counters[event.type] = (counters[event.type] ?? 0) + 1;
+  }
+  yield "custom.mjs ";
+  yield JSON.stringify(counters);
+}

test/fixtures/test-runner/custom_reporters/throwing-async.js

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+'use strict';
+
+module.exports = async function * customReporter() {
+  yield 'Going to throw an error\n';
+  setImmediate(() => {
+    throw new Error('Reporting error');
+  });
+};

test/fixtures/test-runner/custom_reporters/throwing.js

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+'use strict';
+
+module.exports = async function * customReporter() {
+  yield 'Going to throw an error\n';
+  throw new Error('Reporting error');
+};