fix(ClientRequest): mock the TLSSocket.getCipher method (#688)

Co-authored-by: Artem Zakharchenko <kettanaito@gmail.com>

Author: jonathansamines

src/interceptors/ClientRequest/MockHttpSocket.ts

@@ -146,6 +146,7 @@ export class MockHttpSocket extends MockSocket {
       Reflect.set(this, 'getProtocol', () => 'TLSv1.3')
       Reflect.set(this, 'getSession', () => undefined)
       Reflect.set(this, 'isSessionReused', () => false)
+      Reflect.set(this, 'getCipher', () => ({ name: 'AES256-SHA', standardName: 'TLS_RSA_WITH_AES_256_CBC_SHA', version: 'TLSv1.3' }))
     }
   }
 
@@ -258,6 +259,7 @@ export class MockHttpSocket extends MockSocket {
         'getProtocol',
         'getSession',
         'isSessionReused',
+        'getCipher'
       ]
 
       tlsProperties.forEach((propertyName) => {

test/modules/http/compliance/http-ssl-socket.test.ts

@@ -41,6 +41,7 @@ it('emits a correct TLS Socket instance for a handled HTTPS request', async () =
   expect(socket.getSession()).toBeUndefined()
   expect(socket.getProtocol()).toBe('TLSv1.3')
   expect(socket.isSessionReused()).toBe(false)
+  expect(socket.getCipher()).toEqual({ name: 'AES256-SHA', standardName: 'TLS_RSA_WITH_AES_256_CBC_SHA', version: 'TLSv1.3' })
 })
 
 it('emits a correct TLS Socket instance for a bypassed HTTPS request', async () => {
@@ -58,5 +59,5 @@ it('emits a correct TLS Socket instance for a bypassed HTTPS request', async ()
 
   expect(socket.getSession()).toBeUndefined()
   expect(socket.getProtocol()).toBe('TLSv1.3')
-  expect(socket.isSessionReused()).toBe(false)
+  expect(socket.getCipher()).toEqual({ name: 'AES256-SHA', standardName: 'TLS_RSA_WITH_AES_256_CBC_SHA', version: 'TLSv1.3' })
 })