Best answer: How do I write a test case in node JS?

How do you write a test case for REST API in node JS?

Writing test cases :

  1. 1 : Install mocha. npm install –save-dev mocha.
  2. 2 : Install should. npm install –save-dev should.
  3. 3 : Install supertest. npm install –save-dev supertest. After running above commands your package. json should look this. { “name”: “MochaTest”, “version”: “0.0.1”, “dependencies”: {

How do you write test cases using mocha and chai in node JS?

With Node installed, open up a terminal or command line in your project’s directory.

  1. If you want to test code in the browser, run npm install mocha chai –save-dev.
  2. If you want to test Node.js code, in addition to the above, run npm install -g mocha.

How do I run node JS?

Run the test. js file using Node command > node test. js in command prompt. You are done with installation.

Installation of NodeJS and NPM

  1. Download the installer from NodeJS WebSite.
  2. Run the installer.
  3. Follow the installer steps, agree the license agreement and click the next button.
  4. Restart your system/machine.

Where can I test code?

10 Websites to Test Your Codes Online

  1. JSBin. In a similar fashion as above, jsbin is a simple JavaScript debugging console. …
  2. jsFiddle. Anybody who has browsed through Stack Overflow must know about jsFiddle. …
  3. CodePen. …
  4. CodeSandbox. …
  5. WebMaker. …
  6. CSSDesk. …
  7. IDEOne. …
  8. JSLint.
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How do I start unit testing?

Create a new project and define a few of the fundamental classes based on the system design (that way I can at least get some intellisense) create a unit tests project and start writing unit tests to satisfy the functionality i’m trying to implement.

How do I test NPM?

Basic setup

  1. Make a new project directory $ mkdir test-example; cd test-example.
  2. Ask npm to create a new project file for you: $ npm init and accept all defaults by hitting Enter on all the prompts. This will create package. …
  3. Try and start the test feature with $ npm test This will fail, which is expected.

How do I test node js app?

Debugging and Testing of a Node Application

  1. Step 1: Create a project folder. …
  2. Step 2: Add your logic to be tested in a separate file in root folder. …
  3. Step 3: Now implement tests of the above logic we use MOCHA and CHAI:
  4. Step 4: Create a new folder called test in the root directory: …
  5. Step 5: set up the node server.

How do you write a mocha test case?

Installed Mocha ( Run command: “npm install -g mocha” )

We will use express framework for nodeJs to write our API in easy way.

  1. STEP 1: Create your package.json by using following command: “npm init” …
  2. STEP 2: install the dependencies: …
  3. STEP 3: Create your server.js file. …
  4. STEP 4: Run the server: …
  5. STEP 5: Test the APIs:

What is done () in mocha?

This “done” parameter, when present in your callback function, tells Mocha that you are writing an asynchronous test.

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What does NPM test do?

npm test is a shortened version of npm run test ; npm is running the test command as defined in the package. json configuration file. So to answer your question, no it’s not the same thing. npm isn’t doing any testing on it’s own; it is merely running the mocha command for you.

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