1 files changed, 112 insertions, 0 deletions
diff --git a/test/node-fetch/mock.js b/test/node-fetch/mock.js
new file mode 100644
index 0000000..a53f464
--- /dev/null
+++ b/test/node-fetch/mock.js
@@ -0,0 +1,112 @@
+/* eslint no-unused-expressions: "off" */
+
+// Test tools
+const chai = require('chai')
+
+const {
+  fetch,
+  MockAgent,
+  setGlobalDispatcher,
+  Headers
+} = require('../../index.js')
+
+const { expect } = chai
+
+describe('node-fetch with MockAgent', () => {
+  it('should match the url', async () => {
+    const mockAgent = new MockAgent()
+    setGlobalDispatcher(mockAgent)
+    const mockPool = mockAgent.get('http://localhost:3000')
+
+    mockPool
+      .intercept({
+        path: '/test',
+        method: 'GET'
+      })
+      .reply(200, { success: true })
+      .persist()
+
+    const res = await fetch('http://localhost:3000/test', {
+      method: 'GET'
+    })
+
+    expect(res.status).to.equal(200)
+    expect(await res.json()).to.deep.equal({ success: true })
+  })
+
+  it('should match the body', async () => {
+    const mockAgent = new MockAgent()
+    setGlobalDispatcher(mockAgent)
+    const mockPool = mockAgent.get('http://localhost:3000')
+
+    mockPool
+      .intercept({
+        path: '/test',
+        method: 'POST',
+        body: (value) => {
+          return value === 'request body'
+        }
+      })
+      .reply(200, { success: true })
+      .persist()
+
+    const res = await fetch('http://localhost:3000/test', {
+      method: 'POST',
+      body: 'request body'
+    })
+
+    expect(res.status).to.equal(200)
+    expect(await res.json()).to.deep.equal({ success: true })
+  })
+
+  it('should match the headers', async () => {
+    const mockAgent = new MockAgent()
+    setGlobalDispatcher(mockAgent)
+    const mockPool = mockAgent.get('http://localhost:3000')
+
+    mockPool
+      .intercept({
+        path: '/test',
+        method: 'GET',
+        headers: (h) => {
+          return h['user-agent'] === 'undici'
+        }
+      })
+      .reply(200, { success: true })
+      .persist()
+
+    const res = await fetch('http://localhost:3000/test', {
+      method: 'GET',
+      headers: new Headers({ 'User-Agent': 'undici' })
+    })
+    expect(res.status).to.equal(200)
+    expect(await res.json()).to.deep.equal({ success: true })
+  })
+
+  it('should match the headers with a matching function', async () => {
+    const mockAgent = new MockAgent()
+    setGlobalDispatcher(mockAgent)
+    const mockPool = mockAgent.get('http://localhost:3000')
+
+    mockPool
+      .intercept({
+        path: '/test',
+        method: 'GET',
+        headers (headers) {
+          expect(headers).to.be.an('object')
+          expect(headers).to.have.property('user-agent', 'undici')
+          return true
+        }
+      })
+      .reply(200, { success: true })
+      .persist()
+
+    const res = await fetch('http://localhost:3000/test', {
+      method: 'GET',
+      headers: new Headers({ 'User-Agent': 'undici' })
+    })
+
+    expect(res.status).to.equal(200)
+    expect(await res.json()).to.deep.equal({ success: true })
+  })
+})