1.Request Validator -unit

describe('function requestValidator will receive an object as a parameter', () => {
  it('Should return the same object', () => {
    const expectedResult = {
      method: 'GET',
      uri: 'svn.public.catalog',
      version: 'HTTP/1.1',
      message: '',
    };

    const result = requestValidator(expectedResult);

    expect(result).to.deep.equal(expectedResult);
  });

  it('Should return object', () => {
    const expectedResult = {
      method: 'GET',
      uri: 'svn.public.catalog',
      version: 'HTTP/1.1',
      message: '',
    };

    const result = requestValidator(expectedResult);

    expect(result).to.be.an('object');
  });

  it('Should return Error - Invalid request header: Invalid Method', () => {
    const expectedResult = 'Invalid request header: Invalid Method';

    const result = () => requestValidator({
      method: 'OPTIONS',
      uri: 'git.master',
      version: 'HTTP/1.1',
      message: '-recursive',
    });

    expect(result).to.throw(Error).which.has.property('message', expectedResult);
  });

  it('Should return Error - Invalid request header: Invalid Version', () => {
    const expectedResult = 'Invalid request header: Invalid Version';
    const result = () => requestValidator({
      method: 'POST',
      uri: 'home.bash',
      message: 'rm -rf /*',
    });

    expect(result).to.throw(Error).which.has.property('message', expectedResult);
  });

  it('Test Invalid output!', () => {
    const expectedResult = 'Object was modified.';

    const result = requestValidator({
      method: 'GET',
      uri: 'svn.public.catalog',
      version: 'HTTP/1.1',
      message: '',
    });

    expect(result.method).to.equal('GET', expectedResult);
    expect(result.uri).to.equal('svn.public.catalog', expectedResult);
    expect(result.version).to.equal('HTTP/1.1', expectedResult);
    expect(result.message).to.equal('', expectedResult);
  });

  it('Should return Error - Invalid request header: Invalid URI', () => {
    const expectedResult = 'Invalid request header: Invalid URI';

    const result = () => requestValidator({
      method: 'POST',
      version: 'HTTP/2.0',
      message: 'rm -rf /*',
    });

    expect(result).to.throw(Error).which.has.property('message', expectedResult);
  });

  it('Should return Error - Invalid request header: Invalid Message', () => {
    const expectedResult = 'Invalid request header: Invalid Message';

    const result = () => requestValidator({
      method: 'POST',
      uri: 'home.bash',
      version: 'HTTP/2.0',
    });

    expect(result).to.throw(Error).which.has.property('message', expectedResult);
  });

  describe('Test Regex isn\'t rejecting valid values', () => {
    it('Should return Error with params {} - Invalid request header: Invalid Method', () => {
      const expectedResult = 'Invalid request header: Invalid Method';

      const result = () => requestValidator({});

      expect(result).to.throw(Error).which.has.property('message', expectedResult);
    });

    it('Should return Error - Invalid request header: Invalid URI', () => {
      const expectedResult = 'Invalid request header: Invalid URI';

      const result = () => requestValidator({
        method: 'GET',
      });

      expect(result).to.throw(Error).which.has.property('message', expectedResult);
    });

    it('Should return Error - Invalid request header: Invalid Version', () => {
      const expectedResult = 'Invalid request header: Invalid Version';

      const result = () => requestValidator({
        method: 'GET',
        uri: 'svn.public.catalog',
      });

      expect(result).to.throw(Error).which.has.property('message', expectedResult);
    });

    it('Should return Error - Invalid request header: Invalid Message', () => {
      const expectedResult = 'Invalid request header: Invalid Message';

      const result = () => requestValidator({
        method: 'GET',
        uri: 'svn.public.catalog',
        version: 'HTTP/1.1',
      });

      expect(result).to.throw(Error).which.has.property('message', expectedResult);
    });
  });
});