1 files changed, 110 insertions, 0 deletions
diff --git a/test/fetch/relative-url.js b/test/fetch/relative-url.js
new file mode 100644
index 0000000..1a4f819
--- /dev/null
+++ b/test/fetch/relative-url.js
@@ -0,0 +1,110 @@
+'use strict'
+
+const { test, afterEach } = require('tap')
+const { createServer } = require('http')
+const { once } = require('events')
+const {
+  getGlobalOrigin,
+  setGlobalOrigin,
+  Response,
+  Request,
+  fetch
+} = require('../..')
+
+afterEach(() => setGlobalOrigin(undefined))
+
+test('setGlobalOrigin & getGlobalOrigin', (t) => {
+  t.equal(getGlobalOrigin(), undefined)
+
+  setGlobalOrigin('http://localhost:3000')
+  t.same(getGlobalOrigin(), new URL('http://localhost:3000'))
+
+  setGlobalOrigin(undefined)
+  t.equal(getGlobalOrigin(), undefined)
+
+  setGlobalOrigin(new URL('http://localhost:3000'))
+  t.same(getGlobalOrigin(), new URL('http://localhost:3000'))
+
+  t.throws(() => {
+    setGlobalOrigin('invalid.url')
+  }, TypeError)
+
+  t.throws(() => {
+    setGlobalOrigin('wss://invalid.protocol')
+  }, TypeError)
+
+  t.throws(() => setGlobalOrigin(true))
+
+  t.end()
+})
+
+test('Response.redirect', (t) => {
+  t.throws(() => {
+    Response.redirect('/relative/path', 302)
+  }, TypeError('Failed to parse URL from /relative/path'))
+
+  t.doesNotThrow(() => {
+    setGlobalOrigin('http://localhost:3000')
+    Response.redirect('/relative/path', 302)
+  })
+
+  setGlobalOrigin('http://localhost:3000')
+  const response = Response.redirect('/relative/path', 302)
+  // See step #7 of https://fetch.spec.whatwg.org/#dom-response-redirect
+  t.equal(response.headers.get('location'), 'http://localhost:3000/relative/path')
+
+  t.end()
+})
+
+test('new Request', (t) => {
+  t.throws(
+    () => new Request('/relative/path'),
+    TypeError('Failed to parse URL from /relative/path')
+  )
+
+  t.doesNotThrow(() => {
+    setGlobalOrigin('http://localhost:3000')
+    // eslint-disable-next-line no-new
+    new Request('/relative/path')
+  })
+
+  setGlobalOrigin('http://localhost:3000')
+  const request = new Request('/relative/path')
+  t.equal(request.url, 'http://localhost:3000/relative/path')
+
+  t.end()
+})
+
+test('fetch', async (t) => {
+  await t.rejects(async () => {
+    await fetch('/relative/path')
+  }, TypeError('Failed to parse URL from /relative/path'))
+
+  t.test('Basic fetch', async (t) => {
+    const server = createServer((req, res) => {
+      t.equal(req.url, '/relative/path')
+      res.end()
+    }).listen(0)
+
+    setGlobalOrigin(`http://localhost:${server.address().port}`)
+    t.teardown(server.close.bind(server))
+    await once(server, 'listening')
+
+    await t.resolves(fetch('/relative/path'))
+  })
+
+  t.test('fetch return', async (t) => {
+    const server = createServer((req, res) => {
+      t.equal(req.url, '/relative/path')
+      res.end()
+    }).listen(0)
+
+    setGlobalOrigin(`http://localhost:${server.address().port}`)
+    t.teardown(server.close.bind(server))
+    await once(server, 'listening')
+
+    const response = await fetch('/relative/path')
+
+    t.equal(response.url, `http://localhost:${server.address().port}/relative/path`)
+  })
+})