Added UriTemplate class

2009-02-22 14:54:09 +00:00
parent ca535bb1d0
commit b2fdd7f1fe
2 changed files with 356 additions and 0 deletions
--- a/org.springframework.web/src/test/java/org/springframework/web/util/UriTemplateTests.java
+++ b/org.springframework.web/src/test/java/org/springframework/web/util/UriTemplateTests.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2002-2009 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.web.util;
+
+import java.net.URI;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static org.junit.Assert.*;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * @author Arjen Poutsma
+ */
+public class UriTemplateTests {
+
+	private UriTemplate template;
+
+	@Before
+	public void create() {
+		template = new UriTemplate("http://example.com/hotels/{hotel}/bookings/{booking}");
+	}
+
+	@Test
+	public void getVariableNames() throws Exception {
+		List<String> variableNames = template.getVariableNames();
+		assertEquals("Invalid variable names", Arrays.asList("hotel", "booking"), variableNames);
+	}
+
+	@Test
+	public void expandVarArgs() throws Exception {
+		URI result = template.expand("1", "42");
+		assertEquals("Invalid expanded template", new URI("http://example.com/hotels/1/bookings/42"), result);
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void expandVarArgsInvalidAmountVariables() throws Exception {
+		template.expand("1", "42", "100");
+	}
+
+	@Test
+	public void expandMapDuplicateVariables() throws Exception {
+		template = new UriTemplate("/order/{c}/{c}/{c}");
+		assertEquals("Invalid variable names", Arrays.asList("c", "c", "c"), template.getVariableNames());
+		URI result = template.expand(Collections.singletonMap("c", "cheeseburger"));
+		assertEquals("Invalid expanded template", new URI("/order/cheeseburger/cheeseburger/cheeseburger"), result);
+	}
+
+	@Test
+	public void expandMap() throws Exception {
+		Map<String, String> uriVariables = new HashMap<String, String>(2);
+		uriVariables.put("booking", "42");
+		uriVariables.put("hotel", "1");
+		URI result = template.expand(uriVariables);
+		assertEquals("Invalid expanded template", new URI("http://example.com/hotels/1/bookings/42"), result);
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void expandMapInvalidAmountVariables() throws Exception {
+		template.expand(Collections.singletonMap("hotel", "1"));
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void expandMapUnboundVariables() throws Exception {
+		Map<String, String> uriVariables = new HashMap<String, String>(2);
+		uriVariables.put("booking", "42");
+		uriVariables.put("bar", "1");
+		template.expand(uriVariables);
+	}
+
+	@Test
+	public void matches() throws Exception {
+		assertTrue("UriTemplate does not match", template.matches("http://example.com/hotels/1/bookings/42"));
+		assertFalse("UriTemplate matches", template.matches("http://example.com/hotels/bookings"));
+		assertFalse("UriTemplate matches", template.matches(""));
+		assertFalse("UriTemplate matches", template.matches(null));
+	}
+
+	@Test
+	public void match() throws Exception {
+		Map<String, String> expected = new HashMap<String, String>(2);
+		expected.put("booking", "42");
+		expected.put("hotel", "1");
+
+		Map<String, String> result = template.match("http://example.com/hotels/1/bookings/42");
+		assertEquals("Invalid match", expected, result);
+	}
+
+	@Test
+	public void matchDuplicate() throws Exception {
+		template = new UriTemplate("/order/{c}/{c}/{c}");
+		Map<String, String> result = template.match("/order/cheeseburger/cheeseburger/cheeseburger");
+		Map<String, String> expected = Collections.singletonMap("c", "cheeseburger");
+		assertEquals("Invalid match", expected, result);
+	}
+}