test: Add a test for preview env key

garageScript · Sep 26, 2022 · bd435cd · bd435cd
1 parent 2e1990f
commit bd435cd
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/__tests__/pages/api/graphql.test.js b/__tests__/pages/api/graphql.test.js
@@ -25,8 +25,12 @@ session.mockImplementation(() => {
 })
 
 describe('Graphql Api', () => {
+  const OLD_ENV = process.env
   let apolloServerInput
+
   beforeEach(() => {
+    process.env = { ...OLD_ENV, VERCEL_ENV: 'preview' }
+
     nextConnect.mockImplementation(() => {
       return {
         use: returnHandler,
@@ -42,6 +46,10 @@ describe('Graphql Api', () => {
     }
   })
 
+  afterEach(() => {
+    process.env = OLD_ENV
+  })
+
   test('Should have correct config object', async () => {
     const { config } = require('../../../pages/api/graphql.ts')
     expect(config).toEqual({
@@ -51,6 +59,13 @@ describe('Graphql Api', () => {
     })
   })
 
+  test('Should have correct config object when deployed as a preview deployment', async () => {
+    require('../../../pages/api/graphql.ts')
+    expect(
+      apolloServerInput.playground && apolloServerInput.introspection
+    ).toBeTruthy()
+  })
+
   test('Should call context', () => {
     const contextInput = { req: {} }
     require('../../../pages/api/graphql.ts')