Create mocks for jest

Author: suphero

.npmignore

@@ -4,5 +4,6 @@ images
 CONTRIBUTING.md
 coverage
 __tests__
+__mocks__
 .eslintrc.cjs
 CONTRIBUTING.md

__mocks__/fs.ts

@@ -0,0 +1,6 @@
+const fsMock = {
+  readFileSync: jest.fn(),
+  createReadStream: jest.fn(),
+};
+
+export = fsMock;

__mocks__/http.ts

@@ -0,0 +1,10 @@
+const httpMock = {
+  IncomingMessage: jest.fn(),
+  ServerResponse: jest.fn(() => ({
+    writeHead: jest.fn(),
+    write: jest.fn(),
+    end: jest.fn(),
+  })),
+};
+
+export = httpMock;

__tests__/context.test.ts

@@ -3,21 +3,8 @@ import fs from "fs";
 import Context from "../src/context";
 import { Socket } from "net";
 
-jest.mock('http', () => {
-    return {
-        IncomingMessage: jest.fn(),
-        ServerResponse: jest.fn(() => ({
-            writeHead: jest.fn(),
-            write: jest.fn(),
-            end: jest.fn()
-        })),
-    };
-});
-
-jest.mock('fs', () => ({
-    readFileSync: jest.fn(),
-    createReadStream: jest.fn()
-}));
+jest.mock("http");
+jest.mock("fs");
 
 const { IncomingMessage, ServerResponse } = http;
 const mockIncomingMessage = new IncomingMessage(new Socket());

__tests__/middleware-manager.test.ts

@@ -3,16 +3,7 @@ import http from "http";
 import { Socket } from "net";
 import { MiddlewareManager } from "../src/middleware";
 
-jest.mock('http', () => {
-    return {
-        IncomingMessage: jest.fn(),
-        ServerResponse: jest.fn(() => ({
-            writeHead: jest.fn(),
-            write: jest.fn(),
-            end: jest.fn()
-        })),
-    };
-});
+jest.mock('http');
 
 const { IncomingMessage, ServerResponse } = http;
 const mockIncomingMessage = new IncomingMessage(new Socket());
@@ -36,7 +27,7 @@ describe("Middleware Manager", () => {
             context.send("1");
             next();
         })
-        
+
         const context = new Context(mockIncomingMessage, mockServerResponse, '/');
         manager.run(context);
 

__tests__/middleware-utils.test.ts

@@ -3,16 +3,7 @@ import { runMiddleware } from "../src/middleware/utils";
 import http from "http";
 import { Socket } from "net";
 
-jest.mock('http', () => {
-    return {
-        IncomingMessage: jest.fn(),
-        ServerResponse: jest.fn(() => ({
-            writeHead: jest.fn(),
-            write: jest.fn(),
-            end: jest.fn()
-        })),
-    };
-});
+jest.mock("http");
 
 const { IncomingMessage, ServerResponse } = http;
 const mockIncomingMessage = new IncomingMessage(new Socket());

tsconfig.json

@@ -106,6 +106,6 @@
     // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
     "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
   },
-  "include": ["src", "__tests__"],
+  "include": ["src", "__tests__", "__mocks__"],
   "exclude": ["node_modules", "dist", "examples"],
 }