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262 |
| import Headers from '../../lib/headers';
import { default as chai, expect } from 'chai';
import { default as chaiAsPromised } from 'chai-as-promised';
import { default as sinon } from 'sinon';
import { default as sinonChai } from 'sinon-chai';
chai.use(sinonChai);
chai.use(chaiAsPromised);
describe('Headers', () => {
const moduleHeadersObject = {
'Content-Length': 100,
'Content-Type': 'application/x-www-form-urlencoded',
};
const moduleHeadersInstance = new Headers(moduleHeadersObject);
describe('constructor', () => {
it('should append each property in headers.map if headers is an instance of Headers', () => {
const testHeaders = new Headers(moduleHeadersInstance);
expect(testHeaders)
.have.property('map')
.with.all.keys('content-length', 'content-type');
});
it('should append each property in headers if headers is a plain object', () => {
const testHeaders = new Headers(moduleHeadersObject);
expect(testHeaders)
.have.property('map')
.with.all.keys('content-length', 'content-type');
});
});
describe('append', () => {
it('should cast the header name to a string if it is not a string', () => {
const testHeadersInstance = new Headers();
testHeadersInstance.append(true, 100);
expect(testHeadersInstance)
.to.have.deep.property('map.true');
});
it('should convert the header name to lowercase', () => {
expect(moduleHeadersInstance)
.to.have.property('map')
.that.has.property('content-type');
});
it('should throw an error is the header name contains invalid characters', () => {
const testHeadersInstance = new Headers();
expect(() => testHeadersInstance.append('☃Content-Type', 100))
.to.throw(TypeError);
});
it('should cast the header value to a string if it is not a string', () => {
const testHeadersInstance = new Headers();
testHeadersInstance.append('Cookie', true);
expect(testHeadersInstance)
.to.have.deep.property('map.cookie[0]')
.that.eqls('true');
});
it('should set this.map[name] to be an array with the header value if this.map[name] is undefined', () => {
const testHeadersInstance = new Headers();
testHeadersInstance.append('Cookie');
expect(testHeadersInstance)
.to.have.deep.property('map.cookie')
.that.is.an('array');
});
it('should append the header value to this.map[name] and cast the value to a string if this.map[name] is not an array', () => {
const testHeadersObject = {
'Content-Type': 'application/x-www-form-urlencoded',
};
const testHeadersInstance = new Headers(testHeadersObject);
testHeadersInstance.append('Cookie', 'testcookie');
expect(testHeadersInstance)
.to.have.deep.property('map.cookie');
expect(testHeadersInstance)
.to.have.property('map')
.that.has.property('content-type');
});
it('should append all header values to this.map[name] and cast each value to a string if this.map[name] is an array', () => {
const testHeadersObject = {
'Content-Type': 'application/x-www-form-urlencoded',
};
const testHeadersInstanceA = new Headers(testHeadersObject);
testHeadersInstanceA.map[true] = 'test';
const testHeadersInstanceB = new Headers(testHeadersInstanceA);
expect(testHeadersInstanceB)
.to.have.property('map')
.that.has.property('content-type');
expect(testHeadersInstanceB)
.to.have.deep.property('map.true');
});
it('should split header values on commas', () => {
const testHeadersInstance = new Headers();
testHeadersInstance.append('Content-Encoding', 'gzip,deflate');
expect(testHeadersInstance)
.to.have.property('map')
.to.have.property('content-encoding')
.that.eqls([
'gzip',
'deflate',
]);
})
});
describe('delete', () => {
it('should remove the header from this.map', () => {
const testHeadersObject = {
'Content-Type': 'application/x-www-form-urlencoded',
};
const testHeadersInstance = new Headers(testHeadersObject);
testHeadersInstance.delete('Content-Type');
expect(testHeadersInstance)
.to.not.have.deep.property('map.[\'content-type\']');
});
});
describe('get', () => {
it('should return the first header value if the header name exists in this.map', () => {
expect(moduleHeadersInstance.get('Content-Type'))
.to.eql('application/x-www-form-urlencoded');
});
it('should return null if the header name does not exist in this.map', () => {
expect(moduleHeadersInstance.get('Content-Type-A'))
.to.eql(null);
});
});
describe('getAll', () => {
it('should return all header values if the header name exists in this.map', () => {
expect(moduleHeadersInstance.getAll('Content-Type'))
.to.eql([ 'application/x-www-form-urlencoded' ]);
});
it('should return an empty array if the header name does not exist in this.map', () => {
expect(moduleHeadersInstance.getAll('Content-Type-A'))
.to.eql([]);
});
});
describe('has', () => {
it('should return true if the header exists in this.map', () => {
expect(moduleHeadersInstance.has('Content-Type'))
.to.be.true;
});
it('should return false if the header does not exist in this.map', () => {
expect(moduleHeadersInstance.has('Content-Type-A'))
.to.be.false;
});
});
describe('set', () => {
it('should set the header name to an empty array containing the the header value', () => {
const testHeadersInstance = new Headers();
testHeadersInstance.set('Cookie', 'testcookie');
expect(testHeadersInstance)
.to.have.deep.property('map.cookie[0]')
.that.eqls('testcookie');
});
});
describe('entries', () => {
it('should throw an error', () =>
expect(() => moduleHeadersInstance.entries())
.to.throw(Error, /Method has not been implemented/)
);
});
describe('keys', () => {
it('should throw an error', () =>
expect(() => moduleHeadersInstance.keys())
.to.throw(Error, /Method has not been implemented/)
);
});
describe('values', () => {
it('should throw an error', () =>
expect(() => moduleHeadersInstance.values())
.to.throw(Error, /Method has not been implemented/)
);
});
}); |