unclejamal

curl -v -H "Accept: text/plain" http://localhost:6666/time

HTTP/1.1 200 OK
Content-Type: text/plain
Content-Length: 21
Server: Jetty(9.0.5.v20130815)
It's currently 20:59

unclejamal

    @Test
    public void saysTheCurrentTime() {
        givenTheCurrentTimeIs("20:15");
        whenAUserChecksTheTime();
        thenTheUserSees("It's currently 20:15!");
    }

unclejamal

public class FixedClock implements Clock {
    private Date fixedNow;

    @Override
    public Date now() {
        return fixedNow;
    }

    public void setNow(Date fixedNow) {
        this.fixedNow = fixedNow;

unclejamal

@Before
public void startApplication() {
    clock = new FixedClock();
    timeExpert = new TimeExpertServer(clock);
    timeExpert.start();
}

unclejamal

@Test
public void saysTheCurrentTime() throws Exception {
    givenTheCurrentTimeIs("20:15");
    whenAUserChecksTheTime();
    thenTheUserSees("It's currently 20:15!");
}

private void givenTheCurrentTimeIs(String currentTime) throws ParseException {
    Date currentTimeAsDate = new SimpleDateFormat("HH:mm").parse(currentTime);
    clock.setNow(currentTimeAsDate);

unclejamal

@Path("time")
public class TimeResource {

    private final Clock clock;

    public TimeResource(Clock clock) {
        this.clock = clock;
    }

    @GET

unclejamal

public void start() {
    server = new Server(6666);
    ServletContextHandler handler = new ServletContextHandler();
    handler.setContextPath("");
    // adds Jersey Servlet with a customized ResourceConfig
    handler.addServlet(new ServletHolder(new ServletContainer(resourceConfig())), "/*");
    server.setHandler(handler);
    try {
        server.start();
    } catch (Exception e) {

unclejamal

public class Main {

    public static void main(String[] args) {
        new Main().startTimeExpert();
    }

    private void startTimeExpert() {
        final TimeExpertServer timeExpert = new TimeExpertServer(new RealClock());
        try {
            timeExpert.start();

unclejamal

require_relative 'music'

describe "music kata" do
  it "models octaves" do
    Notes.c(:simple, 1).pitch.should == 4
    Notes.c(:simple, 2).pitch.should == 16
    Notes.c(:simple, 8).pitch.should == 88
  
    Notes.e(:simple, 1).pitch.should == 8
  end

unclejamal

module Roots
  def self.rootn(x,n)
    Math.exp(Math.log(x)/n)
  end
end

module Notes
  def self.c accidental, octave
    Note.new(4, octave, accidental)
  end