Polish XmlExpectationsHelper[Tests]

spring-test/src/main/java/org/springframework/test/util/XmlExpectationsHelper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 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.

spring-test/src/test/java/org/springframework/test/util/XmlExpectationsHelperTests.java

@@ -27,60 +27,54 @@ import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  */
 class XmlExpectationsHelperTests {
 
+	private static final String CONTROL = "<root><field1>f1</field1><field2>f2</field2></root>";
+
+	private final XmlExpectationsHelper xmlHelper = new XmlExpectationsHelper();
+
+
 	@Test
 	void assertXmlEqualForEqual() throws Exception {
-		String control = "<root><field1>f1</field1><field2>f2</field2></root>";
 		String test = "<root><field1>f1</field1><field2>f2</field2></root>";
-		XmlExpectationsHelper xmlHelper = new XmlExpectationsHelper();
-		xmlHelper.assertXmlEqual(control, test);
+		xmlHelper.assertXmlEqual(CONTROL, test);
 	}
 
 	@Test
 	void assertXmlEqualExceptionForIncorrectValue() {
-		String control = "<root><field1>f1</field1><field2>f2</field2></root>";
 		String test = "<root><field1>notf1</field1><field2>f2</field2></root>";
-		XmlExpectationsHelper xmlHelper = new XmlExpectationsHelper();
-		assertThatExceptionOfType(AssertionError.class).isThrownBy(() ->
-				xmlHelper.assertXmlEqual(control, test))
-			.withMessageStartingWith("Body content Expected child 'field1'");
+		assertThatExceptionOfType(AssertionError.class)
+				.isThrownBy(() -> xmlHelper.assertXmlEqual(CONTROL, test))
+				.withMessageStartingWith("Body content Expected child 'field1'");
 	}
 
 	@Test
 	void assertXmlEqualForOutOfOrder() throws Exception {
-		String control = "<root><field1>f1</field1><field2>f2</field2></root>";
 		String test = "<root><field2>f2</field2><field1>f1</field1></root>";
-		XmlExpectationsHelper xmlHelper = new XmlExpectationsHelper();
-		xmlHelper.assertXmlEqual(control, test);
+		xmlHelper.assertXmlEqual(CONTROL, test);
 	}
 
 	@Test
 	void assertXmlEqualExceptionForMoreEntries() {
-		String control = "<root><field1>f1</field1><field2>f2</field2></root>";
 		String test = "<root><field1>f1</field1><field2>f2</field2><field3>f3</field3></root>";
-		XmlExpectationsHelper xmlHelper = new XmlExpectationsHelper();
-		assertThatExceptionOfType(AssertionError.class).isThrownBy(() ->
-				xmlHelper.assertXmlEqual(control, test))
-			.withMessageContaining("Expected child nodelist length '2' but was '3'");
+		assertThatExceptionOfType(AssertionError.class)
+				.isThrownBy(() -> xmlHelper.assertXmlEqual(CONTROL, test))
+				.withMessageContaining("Expected child nodelist length '2' but was '3'");
 
 	}
 
 	@Test
-	void assertXmlEqualExceptionForLessEntries() {
+	void assertXmlEqualExceptionForFewerEntries() {
 		String control = "<root><field1>f1</field1><field2>f2</field2><field3>f3</field3></root>";
 		String test = "<root><field1>f1</field1><field2>f2</field2></root>";
-		XmlExpectationsHelper xmlHelper = new XmlExpectationsHelper();
-		assertThatExceptionOfType(AssertionError.class).isThrownBy(() ->
-				xmlHelper.assertXmlEqual(control, test))
-			.withMessageContaining("Expected child nodelist length '3' but was '2'");
+		assertThatExceptionOfType(AssertionError.class)
+				.isThrownBy(() -> xmlHelper.assertXmlEqual(control, test))
+				.withMessageContaining("Expected child nodelist length '3' but was '2'");
 	}
 
 	@Test
 	void assertXmlEqualExceptionWithFullDescription() {
-		String control = "<root><field1>f1</field1><field2>f2</field2></root>";
 		String test = "<root><field2>f2</field2><field3>f3</field3></root>";
-		XmlExpectationsHelper xmlHelper = new XmlExpectationsHelper();
-		assertThatExceptionOfType(AssertionError.class).isThrownBy(() ->
-						xmlHelper.assertXmlEqual(control, test))
+		assertThatExceptionOfType(AssertionError.class)
+				.isThrownBy(() -> xmlHelper.assertXmlEqual(CONTROL, test))
 				.withMessageContaining("Expected child 'field1' but was 'null'")
 				.withMessageContaining("Expected child 'null' but was 'field3'");
 	}