feat: port first half of fetch tests to node test runner (#2569)

Author: anurag-roy

package.json

@@ -78,7 +78,7 @@
     "test": "node scripts/generate-pem && npm run test:tap && npm run test:node-fetch && npm run test:fetch && npm run test:cookies && npm run test:wpt && npm run test:websocket && npm run test:jest && npm run test:typescript && npm run test:node-test",
     "test:cookies": "borp --coverage -p \"test/cookie/*.js\"",
     "test:node-fetch": "mocha --exit test/node-fetch",
-    "test:fetch": "npm run build:node && tap --expose-gc test/fetch/*.js && borp --coverage -p \"test/webidl/*.js\"",
+    "test:fetch": "npm run build:node && borp --expose-gc --coverage -p \"test/fetch/*.js\" && borp --coverage -p \"test/webidl/*.js\"",
     "test:jest": "jest",
     "test:tap": "tap test/*.js test/diagnostics-channel/*.js",
     "test:node-test": "borp --coverage -p \"test/node-test/*.js\"",
@@ -102,7 +102,7 @@
     "@types/node": "^18.0.3",
     "abort-controller": "^3.0.0",
     "atomic-sleep": "^1.0.0",
-    "borp": "^0.4.2",
+    "borp": "^0.5.0",
     "chai": "^4.3.4",
     "chai-as-promised": "^7.1.1",
     "chai-iterator": "^3.0.2",

test/fetch/407-statuscode-window-null.js

@@ -3,18 +3,19 @@
 const { fetch } = require('../..')
 const { createServer } = require('http')
 const { once } = require('events')
-const { test } = require('tap')
+const { test } = require('node:test')
+const assert = require('node:assert')
 
 test('Receiving a 407 status code w/ a window option present should reject', async (t) => {
   const server = createServer((req, res) => {
     res.statusCode = 407
     res.end()
   }).listen(0)
 
-  t.teardown(server.close.bind(server))
+  t.after(server.close.bind(server))
   await once(server, 'listening')
 
   // if init.window exists, the spec tells us to set request.window to 'no-window',
   // which later causes the request to be rejected if the status code is 407
-  await t.rejects(fetch(`http://localhost:${server.address().port}`, { window: null }))
+  await assert.rejects(fetch(`http://localhost:${server.address().port}`, { window: null }))
 })

test/fetch/abort.js

@@ -1,6 +1,8 @@
 'use strict'
 
-const { test } = require('tap')
+const { test } = require('node:test')
+const assert = require('node:assert')
+const { tspl } = require('@matteo.collina/tspl')
 const { fetch } = require('../..')
 const { createServer } = require('http')
 const { once } = require('events')
@@ -17,7 +19,7 @@ test('Allow the usage of custom implementation of AbortController', async (t) =>
     res.end(JSON.stringify(body))
   })
 
-  t.teardown(server.close.bind(server))
+  t.after(server.close.bind(server))
 
   server.listen(0)
   await once(server, 'listening')
@@ -31,43 +33,42 @@ test('Allow the usage of custom implementation of AbortController', async (t) =>
       signal
     })
   } catch (e) {
-    t.equal(e.code, DOMException.ABORT_ERR)
+    assert.strictEqual(e.code, DOMException.ABORT_ERR)
   }
 })
 
 test('allows aborting with custom errors', async (t) => {
   const server = createServer().listen(0)
 
-  t.teardown(server.close.bind(server))
+  t.after(server.close.bind(server))
   await once(server, 'listening')
 
-  t.test('Using AbortSignal.timeout with cause', async (t) => {
-    t.plan(2)
-
+  await t.test('Using AbortSignal.timeout with cause', async () => {
+    const { strictEqual } = tspl(t, { plan: 2 })
     try {
       await fetch(`http://localhost:${server.address().port}`, {
         signal: AbortSignal.timeout(50)
       })
-      t.fail('should throw')
+      assert.fail('should throw')
     } catch (err) {
       if (err.name === 'TypeError') {
         const cause = err.cause
-        t.equal(cause.name, 'HeadersTimeoutError')
-        t.equal(cause.code, 'UND_ERR_HEADERS_TIMEOUT')
+        strictEqual(cause.name, 'HeadersTimeoutError')
+        strictEqual(cause.code, 'UND_ERR_HEADERS_TIMEOUT')
       } else if (err.name === 'TimeoutError') {
-        t.equal(err.code, DOMException.TIMEOUT_ERR)
-        t.equal(err.cause, undefined)
+        strictEqual(err.code, DOMException.TIMEOUT_ERR)
+        strictEqual(err.cause, undefined)
       } else {
-        t.error(err)
+        throw err
       }
     }
   })
 
-  t.test('Error defaults to an AbortError DOMException', async (t) => {
+  t.test('Error defaults to an AbortError DOMException', async () => {
     const ac = new AbortController()
     ac.abort() // no reason
 
-    await t.rejects(
+    await assert.rejects(
       fetch(`http://localhost:${server.address().port}`, {
         signal: ac.signal
       }),

test/fetch/abort2.js

@@ -1,6 +1,7 @@
 'use strict'
 
-const { test } = require('tap')
+const { test } = require('node:test')
+const assert = require('node:assert')
 const { fetch } = require('../..')
 const { createServer } = require('http')
 const { once } = require('events')
@@ -18,7 +19,7 @@ test('parallel fetch with the same AbortController works as expected', async (t)
     res.end(JSON.stringify(body))
   })
 
-  t.teardown(server.close.bind(server))
+  t.after(server.close.bind(server))
 
   const abortController = new AbortController()
 
@@ -49,11 +50,9 @@ test('parallel fetch with the same AbortController works as expected', async (t)
     return a
   }, { resolved: [], rejected: [] })
 
-  t.equal(rejected.length, 9) // out of 10 requests, only 1 should succeed
-  t.equal(resolved.length, 1)
+  assert.strictEqual(rejected.length, 9) // out of 10 requests, only 1 should succeed
+  assert.strictEqual(resolved.length, 1)
 
-  t.ok(rejected.every(rej => rej.reason?.code === DOMException.ABORT_ERR))
-  t.same(resolved[0].value, body)
-
-  t.end()
+  assert.ok(rejected.every(rej => rej.reason?.code === DOMException.ABORT_ERR))
+  assert.deepStrictEqual(resolved[0].value, body)
 })

test/fetch/about-uri.js

@@ -1,21 +1,20 @@
 'use strict'
 
-const { test } = require('tap')
+const { test } = require('node:test')
+const assert = require('node:assert')
 const { fetch } = require('../..')
 
 test('fetching about: uris', async (t) => {
-  t.test('about:blank', async (t) => {
-    await t.rejects(fetch('about:blank'))
+  await t.test('about:blank', async () => {
+    await assert.rejects(fetch('about:blank'))
   })
 
-  t.test('All other about: urls should return an error', async (t) => {
+  await t.test('All other about: urls should return an error', async () => {
     try {
       await fetch('about:config')
-      t.fail('fetching about:config should fail')
+      assert.fail('fetching about:config should fail')
     } catch (e) {
-      t.ok(e, 'this error was expected')
-    } finally {
-      t.end()
+      assert.ok(e, 'this error was expected')
     }
   })
 })

test/fetch/blob-uri.js

@@ -1,6 +1,7 @@
 'use strict'
 
-const { test } = require('tap')
+const { test } = require('node:test')
+const assert = require('node:assert')
 const { fetch } = require('../..')
 const { Blob } = require('buffer')
 
@@ -16,85 +17,73 @@ test('fetching blob: uris', async (t) => {
     objectURL = URL.createObjectURL(blob)
   })
 
-  t.test('a normal fetch request works', async (t) => {
+  await t.test('a normal fetch request works', async () => {
     const res = await fetch(objectURL)
 
-    t.equal(blobContents, await res.text())
-    t.equal(blob.type, res.headers.get('Content-Type'))
-    t.equal(`${blob.size}`, res.headers.get('Content-Length'))
-    t.end()
+    assert.strictEqual(blobContents, await res.text())
+    assert.strictEqual(blob.type, res.headers.get('Content-Type'))
+    assert.strictEqual(`${blob.size}`, res.headers.get('Content-Length'))
   })
 
-  t.test('non-GET method to blob: fails', async (t) => {
+  await t.test('non-GET method to blob: fails', async () => {
     try {
       await fetch(objectURL, {
         method: 'POST'
       })
-      t.fail('expected POST to blob: uri to fail')
+      assert.fail('expected POST to blob: uri to fail')
     } catch (e) {
-      t.ok(e, 'Got the expected error')
-    } finally {
-      t.end()
+      assert.ok(e, 'Got the expected error')
     }
   })
 
   // https://github.com/web-platform-tests/wpt/blob/7b0ebaccc62b566a1965396e5be7bb2bc06f841f/FileAPI/url/resources/fetch-tests.js#L36-L41
-  t.test('fetching revoked URL should fail', async (t) => {
+  await t.test('fetching revoked URL should fail', async () => {
     URL.revokeObjectURL(objectURL)
 
     try {
       await fetch(objectURL)
-      t.fail('expected revoked blob: url to fail')
+      assert.fail('expected revoked blob: url to fail')
     } catch (e) {
-      t.ok(e, 'Got the expected error')
-    } finally {
-      t.end()
+      assert.ok(e, 'Got the expected error')
     }
   })
 
   // https://github.com/web-platform-tests/wpt/blob/7b0ebaccc62b566a1965396e5be7bb2bc06f841f/FileAPI/url/resources/fetch-tests.js#L28-L34
-  t.test('works with a fragment', async (t) => {
+  await t.test('works with a fragment', async () => {
     const res = await fetch(objectURL + '#fragment')
 
-    t.equal(blobContents, await res.text())
-    t.end()
+    assert.strictEqual(blobContents, await res.text())
   })
 
   // https://github.com/web-platform-tests/wpt/blob/7b0ebaccc62b566a1965396e5be7bb2bc06f841f/FileAPI/url/resources/fetch-tests.js#L52-L56
-  t.test('Appending a query string to blob: url should cause fetch to fail', async (t) => {
+  await t.test('Appending a query string to blob: url should cause fetch to fail', async () => {
     try {
       await fetch(objectURL + '?querystring')
-      t.fail('expected ?querystring blob: url to fail')
+      assert.fail('expected ?querystring blob: url to fail')
     } catch (e) {
-      t.ok(e, 'Got the expected error')
-    } finally {
-      t.end()
+      assert.ok(e, 'Got the expected error')
     }
   })
 
   // https://github.com/web-platform-tests/wpt/blob/7b0ebaccc62b566a1965396e5be7bb2bc06f841f/FileAPI/url/resources/fetch-tests.js#L58-L62
-  t.test('Appending a path should cause fetch to fail', async (t) => {
+  await t.test('Appending a path should cause fetch to fail', async () => {
     try {
       await fetch(objectURL + '/path')
-      t.fail('expected /path blob: url to fail')
+      assert.fail('expected /path blob: url to fail')
     } catch (e) {
-      t.ok(e, 'Got the expected error')
-    } finally {
-      t.end()
+      assert.ok(e, 'Got the expected error')
     }
   })
 
   // https://github.com/web-platform-tests/wpt/blob/7b0ebaccc62b566a1965396e5be7bb2bc06f841f/FileAPI/url/resources/fetch-tests.js#L64-L70
-  t.test('these http methods should fail', async (t) => {
+  await t.test('these http methods should fail', async () => {
     for (const method of ['HEAD', 'POST', 'DELETE', 'OPTIONS', 'PUT', 'CUSTOM']) {
       try {
         await fetch(objectURL, { method })
-        t.fail(`${method} fetch should have failed`)
+        assert.fail(`${method} fetch should have failed`)
       } catch (e) {
-        t.ok(e, `${method} blob url - test succeeded`)
+        assert.ok(e, `${method} blob url - test succeeded`)
       }
     }
-
-    t.end()
   })
 })

test/fetch/bundle.js

@@ -1,26 +1,25 @@
 'use strict'
 
-const { test } = require('tap')
+const { test } = require('node:test')
+const assert = require('node:assert')
 
 const { Response, Request, FormData, Headers } = require('../../undici-fetch')
 
-test('bundle sets constructor.name and .name properly', (t) => {
-  t.equal(new Response().constructor.name, 'Response')
-  t.equal(Response.name, 'Response')
+test('bundle sets constructor.name and .name properly', () => {
+  assert.strictEqual(new Response().constructor.name, 'Response')
+  assert.strictEqual(Response.name, 'Response')
 
-  t.equal(new Request('http://a').constructor.name, 'Request')
-  t.equal(Request.name, 'Request')
+  assert.strictEqual(new Request('http://a').constructor.name, 'Request')
+  assert.strictEqual(Request.name, 'Request')
 
-  t.equal(new Headers().constructor.name, 'Headers')
-  t.equal(Headers.name, 'Headers')
+  assert.strictEqual(new Headers().constructor.name, 'Headers')
+  assert.strictEqual(Headers.name, 'Headers')
 
-  t.equal(new FormData().constructor.name, 'FormData')
-  t.equal(FormData.name, 'FormData')
-
-  t.end()
+  assert.strictEqual(new FormData().constructor.name, 'FormData')
+  assert.strictEqual(FormData.name, 'FormData')
 })
 
-test('regression test for https://github.com/nodejs/node/issues/50263', (t) => {
+test('regression test for https://github.com/nodejs/node/issues/50263', () => {
   const request = new Request('https://a', {
     headers: {
       test: 'abc'
@@ -30,6 +29,5 @@ test('regression test for https://github.com/nodejs/node/issues/50263', (t) => {
 
   const request1 = new Request(request, { body: 'does not matter' })
 
-  t.equal(request1.headers.get('test'), 'abc')
-  t.end()
+  assert.strictEqual(request1.headers.get('test'), 'abc')
 })

test/fetch/client-error-stack-trace.js

@@ -1,21 +1,22 @@
 'use strict'
 
-const { test } = require('tap')
+const { test } = require('node:test')
+const assert = require('node:assert')
 const { fetch } = require('../..')
 const { fetch: fetchIndex } = require('../../index-fetch')
 
 test('FETCH: request errors and prints trimmed stack trace', async (t) => {
   try {
     await fetch('http://a.com')
   } catch (error) {
-    t.match(error.stack, `at Test.<anonymous> (${__filename}`)
+    assert.ok(error.stack.includes(`at async TestContext.<anonymous> (${__filename}`))
   }
 })
 
 test('FETCH-index: request errors and prints trimmed stack trace', async (t) => {
   try {
     await fetchIndex('http://a.com')
   } catch (error) {
-    t.match(error.stack, `at Test.<anonymous> (${__filename}`)
+    assert.ok(error.stack.includes(`at async TestContext.<anonymous> (${__filename}`))
   }
 })