#837 - Moved sample code for fundamentals into test cases.

src/docs/java/org/springframework/hateoas/FundamentalsTest.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.hateoas;
+
+import static org.assertj.core.api.Assertions.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.Test;
+
+/**
+ * @author Oliver Drotbohm
+ */
+public class FundamentalsTest {
+
+	@Test
+	public void links() {
+
+		// tag::links[]
+		Link link = new Link("/something");
+		assertThat(link.getHref()).isEqualTo("/something");
+		assertThat(link.getRel()).isEqualTo(IanaLinkRelations.SELF);
+
+		link = new Link("/something", "my-rel");
+		assertThat(link.getHref()).isEqualTo("/something");
+		assertThat(link.getRel()).isEqualTo(LinkRelation.of("my-rel"));
+		// end::links[]
+	}
+
+	@Test
+	public void templatedLinks() {
+
+		// tag::templatedLinks[]
+		Link link = new Link("/{segment}/something{?parameter}");
+		assertThat(link.isTemplated()).isTrue(); // <1>
+		assertThat(link.getVariableNames()).contains("segment", "parameter"); // <2>
+
+		Map<String, Object> values = new HashMap<>();
+		values.put("segment", "path");
+		values.put("parameter", 42);
+
+		assertThat(link.expand(values).getHref()) // <3>
+				.isEqualTo("/path/something?parameter=42");
+		// end::templatedLinks[]
+	}
+}