Updated docs (#48)

* Added docs + tests for spec
* Updated WireMock tests for docs
* Made wiremock tests dynamic

samples/wiremock-jetty/src/test/java/com/example/WiremockForDocsClassRuleTests.java

@@ -0,0 +1,56 @@
+package com.example;
+
+import org.junit.Before;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.cloud.contract.wiremock.AutoConfigureWireMock;
+import org.springframework.cloud.contract.wiremock.WireMockSpring;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.github.tomakehurst.wiremock.junit.WireMockClassRule;
+
+import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
+import static com.github.tomakehurst.wiremock.client.WireMock.get;
+import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
+import static org.assertj.core.api.Assertions.assertThat;
+
+@ActiveProfiles("classrule")
+@DirtiesContext
+//tag::wiremock_test1[]
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+@AutoConfigureWireMock
+public class WiremockForDocsClassRuleTests {
+
+	// Start WireMock on some dynamic port
+	@ClassRule
+	public static WireMockClassRule wiremock = new WireMockClassRule(
+			WireMockSpring.options().dynamicPort());
+//end::wiremock_test1[]
+	@Before
+	public void setup() {
+		this.service.setBase("http://localhost:" + wiremock.port());
+	}
+//tag::wiremock_test2[]
+	// A service that calls out over HTTP to localhost:${wiremock.port}
+	@Autowired
+	private Service service;
+
+	// Using the WireMock APIs in the normal way:
+	@Test
+	public void contextLoads() throws Exception {
+		// Stubbing WireMock
+		wiremock.stubFor(get(urlEqualTo("/resource"))
+				.willReturn(aResponse().withHeader("Content-Type", "text/plain").withBody("Hello World!")));
+		// We're asserting if WireMock responded properly
+		assertThat(this.service.go()).isEqualTo("Hello World!");
+	}
+
+}
+//end::wiremock_test2[]