Add DefaultMessageCodesResolverTests

Add unit test for DefaultMessageCodesResolver

spring-context/src/test/java/org/springframework/validation/DefaultMessageCodesResolverTests.java

@@ -0,0 +1,123 @@
+/*
+ * Copyright 2002-2012 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.validation;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+import org.junit.Test;
+import org.springframework.beans.TestBean;
+
+/**
+ * Tests for {@link DefaultMessageCodesResolver}.
+ *
+ * @author Phillip Webb
+ */
+public class DefaultMessageCodesResolverTests {
+
+	private DefaultMessageCodesResolver resolver = new DefaultMessageCodesResolver();
+
+	@Test
+	public void shouldResolveMessageCode() throws Exception {
+		String[] codes = resolver.resolveMessageCodes("errorCode", "objectName");
+		assertThat(codes, is(equalTo(new String[] {
+				"errorCode.objectName",
+				"errorCode" })));
+	}
+
+	@Test
+	public void shouldResolveFieldMessageCode() throws Exception {
+		String[] codes = resolver.resolveMessageCodes("errorCode", "objectName", "field",
+				TestBean.class);
+		assertThat(codes, is(equalTo(new String[] {
+				"errorCode.objectName.field",
+				"errorCode.field",
+				"errorCode.org.springframework.beans.TestBean",
+				"errorCode" })));
+	}
+
+	@Test
+	public void shouldResolveIndexedFieldMessageCode() throws Exception {
+		String[] codes = resolver.resolveMessageCodes("errorCode", "objectName", "a.b[3].c[5].d",
+				TestBean.class);
+		assertThat(codes, is(equalTo(new String[] {
+				"errorCode.objectName.a.b[3].c[5].d",
+				"errorCode.objectName.a.b[3].c.d",
+				"errorCode.objectName.a.b.c.d",
+				"errorCode.a.b[3].c[5].d",
+				"errorCode.a.b[3].c.d",
+				"errorCode.a.b.c.d",
+				"errorCode.d",
+				"errorCode.org.springframework.beans.TestBean",
+				"errorCode" })));
+	}
+
+	@Test
+	public void shouldResolveMessageCodeWithPrefix() throws Exception {
+		resolver.setPrefix("prefix.");
+		String[] codes = resolver.resolveMessageCodes("errorCode", "objectName");
+		assertThat(codes, is(equalTo(new String[] {
+				"prefix.errorCode.objectName",
+				"prefix.errorCode" })));
+	}
+
+	@Test
+	public void shouldResolveFieldMessageCodeWithPrefix() throws Exception {
+		resolver.setPrefix("prefix.");
+		String[] codes = resolver.resolveMessageCodes("errorCode", "objectName", "field",
+				TestBean.class);
+		assertThat(codes, is(equalTo(new String[] {
+				"prefix.errorCode.objectName.field",
+				"prefix.errorCode.field",
+				"prefix.errorCode.org.springframework.beans.TestBean",
+				"prefix.errorCode" })));
+	}
+
+	@Test
+	public void shouldSupportNullPrefix() throws Exception {
+		resolver.setPrefix(null);
+		String[] codes = resolver.resolveMessageCodes("errorCode", "objectName", "field",
+				TestBean.class);
+		assertThat(codes, is(equalTo(new String[] {
+				"errorCode.objectName.field",
+				"errorCode.field",
+				"errorCode.org.springframework.beans.TestBean",
+				"errorCode" })));
+	}
+
+	@Test
+	public void shouldSupportMalformedIndexField() throws Exception {
+		String[] codes = resolver.resolveMessageCodes("errorCode", "objectName", "field[",
+				TestBean.class);
+		assertThat(codes, is(equalTo(new String[] {
+				"errorCode.objectName.field[",
+				"errorCode.field[",
+				"errorCode.org.springframework.beans.TestBean",
+				"errorCode" })));
+	}
+
+	@Test
+	public void shouldSupportNullFieldType() throws Exception {
+		String[] codes = resolver.resolveMessageCodes("errorCode", "objectName", "field",
+				null);
+		assertThat(codes, is(equalTo(new String[] {
+				"errorCode.objectName.field",
+				"errorCode.field",
+				"errorCode" })));
+		}
+}