1 files changed, 140 insertions, 0 deletions
diff --git a/packages/webapi/test/fetch.js b/packages/webapi/test/fetch.js
new file mode 100644
index 000000000..08d7c9297
--- /dev/null
+++ b/packages/webapi/test/fetch.js
@@ -0,0 +1,140 @@
+import { assert, test } from '../run/test.setup.js'
+import { polyfill } from '../mod.js'
+
+test(() => {
+	return [
+		{
+			name: 'Fetch functionality',
+			test() {
+				const target = {}
+	
+				polyfill(target)
+	
+				assert.equal(Reflect.has(target, 'fetch'), true)
+				assert.equal(typeof target.fetch, 'function')
+			},
+		},
+		{
+			name: 'Fetch with https',
+			async test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const { fetch } = target
+
+				const response = await fetch('https://api.openbrewerydb.org/breweries')
+
+				assert.equal(response.constructor, target.Response)
+
+				const json = await response.json()
+
+				assert.equal(Array.isArray(json), true)
+			},
+		},
+		{
+			name: 'Fetch with file',
+			async test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const { fetch } = target
+
+				const url = new URL('../package.json', import.meta.url)
+
+				const response = await fetch(url)
+
+				assert.equal(response.constructor, target.Response)
+
+				assert.equal(response.status, 200)
+				assert.equal(response.statusText, '')
+				assert.equal(response.headers.has('date'), true)
+				assert.equal(response.headers.has('content-length'), true)
+				assert.equal(response.headers.has('last-modified'), true)
+
+				const json = await response.json()
+
+				assert.equal(json.name, '@astrojs/webapi')
+			},
+		},
+		{
+			name: 'Fetch with missing file',
+			async test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const { fetch } = target
+
+				const url = new URL('../missing.json', import.meta.url)
+
+				const response = await fetch(url)
+
+				assert.equal(response.constructor, target.Response)
+
+				assert.equal(response.status, 404)
+				assert.equal(response.statusText, '')
+				assert.equal(response.headers.has('date'), true)
+				assert.equal(response.headers.has('content-length'), false)
+				assert.equal(response.headers.has('last-modified'), false)
+			},
+		},
+		{
+			name: 'Fetch with (file) Request',
+			async test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const { Request, fetch } = target
+
+				const request = new Request(new URL('../package.json', import.meta.url))
+
+				const response = await fetch(request)
+
+				assert.equal(response.constructor, target.Response)
+
+				const json = await response.json()
+
+				assert.equal(json.name, '@astrojs/webapi')
+			},
+		},
+		{
+			name: 'Fetch with relative file',
+			async test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const { fetch } = target
+
+				const response = await fetch('package.json')
+
+				const json = await response.json()
+
+				assert.equal(json.name, '@astrojs/webapi')
+			},
+		},
+		{
+			name: 'Fetch with data',
+			async test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const { fetch } = target
+
+				const jsonURI = `data:application/json,${encodeURIComponent(JSON.stringify({
+					name: '@astrojs/webapi'
+				}))}`
+
+				const response = await fetch(jsonURI)
+
+				const json = await response.json()
+
+				assert.equal(json.name, '@astrojs/webapi')
+			},
+		},
+	]
+})