chai-connect-middleware

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chai-connect-middleware

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Helpers for testing Connect middleware with the Chai assertion library.

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# chai-connect-middleware

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Helpers for testing [Connect](http://www.senchalabs.org/connect/) middleware
with the [Chai](http://chaijs.com/) assertion library.

## Install

$ npm install chai-connect-middleware

## Usage

#### Use Plugin

Use this plugin as you would all other Chai plugins:

```javascript
var chai = require('chai');

chai.use(require('chai-connect-middleware'));
```

#### Implement Test Cases

Once used, the `chai.connect.use` helper function will be available to set up
test cases for Connect middleware.

The helper function can be called from a hook to setup the test case.  The
helper returns a wrapper on which callbacks are registered to be executed
when the middleware invokes `next` or `end`s the response.  If the middleware
finishes in an unexpected way, the test helper will automatically throw an
exception.

The following demonstrates a [Mocha](http://mochajs.org/) test
case.

```javascript
describe('middleware test', function() {
  var res;
    
  before(function(done) {
    chai.connect.use(middleware)
      .req(function(req) {
        req.query = { hello: 'Bob' };
      })
      .end(function(r) {
        res = r;
        done();
      })
      .dispatch();
  });

it('should send correct body', function() {
    expect(res.body).to.equal('Hello, Bob');
  });
});
```

## License

[The MIT License](http://opensource.org/licenses/MIT)

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