tests: create some generic tests

test/SupabaseAuthClient.test.ts

@@ -0,0 +1,15 @@
+import { SupabaseAuthClient } from '../src/lib/SupabaseAuthClient'
+
+const DEFAULT_OPTIONS = {
+  schema: 'public',
+  autoRefreshToken: true,
+  persistSession: true,
+  detectSessionInUrl: true,
+  headers: {},
+}
+const settings = { ...DEFAULT_OPTIONS }
+
+test('it should create a new instance of the class', () => {
+  const authClient = new SupabaseAuthClient(settings)
+  expect(authClient).toBeInstanceOf(SupabaseAuthClient)
+})

test/client.test.ts

@@ -1,13 +1,18 @@
-import { createClient } from '../src/index'
+import { createClient, SupabaseClient } from '../src/index'
 
 const URL = 'http://localhost:3000'
 const KEY = 'some.fake.key'
 
 const supabase = createClient(URL, KEY)
 
-test('Build to succeed', async () => {
-  // Basic test to ensure TS build is working.
-  expect(true).toEqual(true)
+test('it should create the client connection', async () => {
+  expect(supabase).toBeDefined()
+  expect(supabase).toBeInstanceOf(SupabaseClient)
+})
+
+test('it should throw an error if no valid params are provided', async () => {
+  expect(() => createClient('', KEY)).toThrowError('supabaseUrl is required.')
+  expect(() => createClient(URL, '')).toThrowError('supabaseKey is required.')
 })
 
 // Socket should close when there are no open connections

test/constants.test.ts

@@ -0,0 +1,12 @@
+import { DEFAULT_HEADERS } from '../src/lib/constants'
+import { version } from '../src/lib/version'
+
+test('it has the correct type of returning with the correct value', () => {
+  const expected = {
+    'X-Client-Info': `supabase-js/${version}`,
+  }
+  expect(DEFAULT_HEADERS).toEqual(expected)
+  expect(typeof DEFAULT_HEADERS).toBe('object')
+  expect(typeof DEFAULT_HEADERS['X-Client-Info']).toBe('string')
+  expect(Object.keys(DEFAULT_HEADERS).length).toBe(1)
+})