Felix Trepanier coderunner

Building systems

coderunner / inject_example.java

Created August 11, 2011 17:18

inject example

	//create the injector builder
	Injector.Builder builder = new Injector.Builder();

	//add the bindings
	builder.addClassBinding(ConsoleWriter.class, SystemOutConsoleWriter.class);
	builder.addSingletonMapping(MessageFormatter.class, MessageFormatter.class);
	builder.addObjectMapping(String.class, "Inject Says");

	//create the injector
	Injector inject = builder.build();

coderunner / gist:1141302

Created August 12, 2011 02:21

dependency examples

	public class ExampleClass
	{
	private final DependencyInterface dependency;

	//no dependency injection
	public ExampleClass()
	{
	//this makes the class hard to test
	this.dependency = new Dependency();
	//...

coderunner / gist:1141345

Created August 12, 2011 03:01

manual vs di

	import org.inject.Injector;

	public class MainClass
	{
	private Injector injector;

	/ MANUAL OBJECT TREE SETUP /
	public void manualObjectTreeSetup()
	{
	//create the dependency tree

coderunner / gist:1161530

Created August 22, 2011 02:24

nondeterministic

	public class CurrentTimeFormatter
	{
	private static String FORMAT = "Current time in millis is : ";

	//Not testable since can not predict value of
	//System.currentTimeMillis()
	public String formatCurrentTime_notTestable()
	{
	return FORMAT + System.currentTimeMillis();
	}

coderunner / gist:1192099

Created September 4, 2011 01:59

request handler interface

	public interface RequestHandler
	{
	public HttpResponse handle(HttpRequest request, Context context);
	}

	public interface HttpRequest
	{
	public String getPath();
	public Map<String, String> getHeaders();
	}

coderunner / gist:1192128

Created September 4, 2011 02:19

test with easymock

	public class TestRequestHandler
	{
	private static final String STORE_BODY = "stored body";
	private static final String CASE_HEADER = "case";
	private static final String UPPERCASE = "uppercase";
	private static final String REQUEST_PATH = "path";

	private ExampleRequestHandler requestHandler;
	private HttpRequest request;
	private Context context;

coderunner / gist:1192139

Created September 4, 2011 02:33

only behavior 1 easymock

	@Test
	public void shouldReturnedStoredText()
	{
	//record mode
	//record behavior and expected calls
	reset(request, context, monitoring, store, headers);
	expect(context.getMonitoring()).andReturn(monitoring);
	monitoring.incrementRequestCounter();
	expect(request.getPath()).andReturn(REQUEST_PATH);
	expect(request.getHeaders()).andReturn(headers);

coderunner / gist:1193799

Created September 5, 2011 00:46

test with mockito

	public class TestExampleRequestHandler_Mockito
	{
	private static final String STORE_BODY = "stored body";
	private static final String CASE_HEADER = "case";
	private static final String UPPERCASE = "uppercase";
	private static final String REQUEST_PATH = "path";

	private ExampleRequestHandler requestHandler;
	private HttpRequest request;
	private Context context;

coderunner / gist:1210300

Created September 11, 2011 23:42

abstract logger

	public abstract class Logger
	{
	private final String name;
	private int logCount = 0;

	public Logger(String name)
	{
	this.name = name;
	}

coderunner / gist:1210314

Created September 11, 2011 23:52

abstract logger setup

	public class TestLogger
	{
	private static final String LOGGER_NAME = "logger_name";
	private static final Level LEVEL = Level.INFO;
	private static final String MESSAGE = "message";
	private static final String FORMATTED_LOG = LOGGER_NAME + " - " + LEVEL + " : " + MESSAGE;

	private Logger logger;

	@Before