Remove testsupport.assertj package

See gh-17557

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionEvaluationReportTests.java

@@ -34,7 +34,6 @@ import org.springframework.boot.autoconfigure.logging.ConditionEvaluationReportM
 import org.springframework.boot.autoconfigure.web.servlet.MultipartAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
 import org.springframework.boot.test.util.TestPropertyValues;
-import org.springframework.boot.testsupport.assertj.Matched;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Condition;
@@ -47,8 +46,6 @@ import org.springframework.core.type.AnnotatedTypeMetadata;
 import org.springframework.util.ClassUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.Matchers.containsString;
-import static org.hamcrest.Matchers.nullValue;
 
 /**
  * Tests for {@link ConditionEvaluationReport}.
@@ -86,7 +83,7 @@ class ConditionEvaluationReportTests {
 
 	@Test
 	void get() {
-		assertThat(this.report).isNotEqualTo(nullValue());
+		assertThat(this.report).isNotNull();
 		assertThat(this.report).isSameAs(ConditionEvaluationReport.get(this.beanFactory));
 	}
 
@@ -95,8 +92,8 @@ class ConditionEvaluationReportTests {
 		this.beanFactory.setParentBeanFactory(new DefaultListableBeanFactory());
 		ConditionEvaluationReport.get((ConfigurableListableBeanFactory) this.beanFactory.getParentBeanFactory());
 		assertThat(this.report).isSameAs(ConditionEvaluationReport.get(this.beanFactory));
-		assertThat(this.report).isNotEqualTo(nullValue());
-		assertThat(this.report.getParent()).isNotEqualTo(nullValue());
+		assertThat(this.report).isNotNull();
+		assertThat(this.report.getParent()).isNotNull();
 		ConditionEvaluationReport.get((ConfigurableListableBeanFactory) this.beanFactory.getParentBeanFactory());
 		assertThat(this.report).isSameAs(ConditionEvaluationReport.get(this.beanFactory));
 		assertThat(this.report.getParent()).isSameAs(ConditionEvaluationReport
@@ -184,7 +181,7 @@ class ConditionEvaluationReportTests {
 		outcomes.add(this.condition1, new ConditionOutcome(true, "Message 1"));
 		outcomes.add(this.condition2, new ConditionOutcome(true, "Message 2"));
 		outcomes.add(this.condition3, new ConditionOutcome(true, "Message 2"));
-		assertThat(getNumberOfOutcomes(outcomes)).isEqualTo(2);
+		assertThat(outcomes).hasSize(2);
 	}
 
 	@Test
@@ -193,15 +190,15 @@ class ConditionEvaluationReportTests {
 		ConditionEvaluationReport report = ConditionEvaluationReport.get(context.getBeanFactory());
 		String autoconfigKey = MultipartAutoConfiguration.class.getName();
 		ConditionAndOutcomes outcomes = report.getConditionAndOutcomesBySource().get(autoconfigKey);
-		assertThat(outcomes).isNotEqualTo(nullValue());
-		assertThat(getNumberOfOutcomes(outcomes)).isEqualTo(2);
+		assertThat(outcomes).isNotNull();
+		assertThat(outcomes).hasSize(2);
 		List<String> messages = new ArrayList<>();
 		for (ConditionAndOutcome outcome : outcomes) {
 			messages.add(outcome.getOutcome().getMessage());
 		}
-		assertThat(messages).areAtLeastOne(Matched.by(containsString("@ConditionalOnClass found required classes "
+		assertThat(messages).anyMatch((message) -> message.contains("@ConditionalOnClass found required classes "
 				+ "'javax.servlet.Servlet', 'org.springframework.web.multipart."
-				+ "support.StandardServletMultipartResolver', 'javax.servlet.MultipartConfigElement'")));
+				+ "support.StandardServletMultipartResolver', 'javax.servlet.MultipartConfigElement'"));
 		context.close();
 	}
 
@@ -252,16 +249,6 @@ class ConditionEvaluationReportTests {
 		context.close();
 	}
 
-	private int getNumberOfOutcomes(ConditionAndOutcomes outcomes) {
-		Iterator<ConditionAndOutcome> iterator = outcomes.iterator();
-		int numberOfOutcomesAdded = 0;
-		while (iterator.hasNext()) {
-			numberOfOutcomesAdded++;
-			iterator.next();
-		}
-		return numberOfOutcomesAdded;
-	}
-
 	@Configuration(proxyBeanMethods = false)
 	@Import(WebMvcAutoConfiguration.class)
 	static class Config {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/ResourcePropertiesTests.java

@@ -21,11 +21,9 @@ import java.time.Duration;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.autoconfigure.web.ResourceProperties.Cache;
-import org.springframework.boot.testsupport.assertj.Matched;
 import org.springframework.http.CacheControl;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.Matchers.endsWith;
 
 /**
  * Tests for {@link ResourceProperties}.
@@ -62,7 +60,7 @@ class ResourcePropertiesTests {
 
 	@Test
 	void defaultStaticLocationsAllEndWithTrailingSlash() {
-		assertThat(this.properties.getStaticLocations()).are(Matched.by(endsWith("/")));
+		assertThat(this.properties.getStaticLocations()).allMatch((location) -> location.endsWith("/"));
 	}
 
 	@Test

spring-boot-project/spring-boot-cli/src/test/java/org/springframework/boot/cli/command/install/GroovyGrabDependencyResolverTests.java

@@ -23,7 +23,6 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import org.assertj.core.api.Condition;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
@@ -31,11 +30,8 @@ import org.springframework.boot.cli.compiler.GroovyCompilerConfiguration;
 import org.springframework.boot.cli.compiler.GroovyCompilerScope;
 import org.springframework.boot.cli.compiler.RepositoryConfigurationFactory;
 import org.springframework.boot.cli.compiler.grape.RepositoryConfiguration;
-import org.springframework.boot.testsupport.assertj.Matched;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.Matchers.hasItems;
-import static org.hamcrest.Matchers.startsWith;
 
 /**
  * Tests for {@link GroovyGrabDependencyResolver}.
@@ -104,12 +100,13 @@ class GroovyGrabDependencyResolverTests {
 	}
 
 	@Test
-	@SuppressWarnings({ "unchecked", "rawtypes" })
 	void resolveShorthandArtifactWithDependencies() throws Exception {
 		List<File> resolved = this.resolver.resolve(Arrays.asList("spring-beans"));
 		assertThat(resolved).hasSize(3);
-		assertThat(getNames(resolved)).has((Condition) Matched
-				.by(hasItems(startsWith("spring-core-"), startsWith("spring-beans-"), startsWith("spring-jcl-"))));
+		Set<String> names = getNames(resolved);
+		assertThat(names).anyMatch((name) -> name.startsWith("spring-core-"));
+		assertThat(names).anyMatch((name) -> name.startsWith("spring-beans-"));
+		assertThat(names).anyMatch((name) -> name.startsWith("spring-jcl-"));
 	}
 
 	@Test

spring-boot-project/spring-boot-tools/spring-boot-test-support/pom.xml

@@ -47,10 +47,6 @@
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-core</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.hamcrest</groupId>
-			<artifactId>hamcrest</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>org.assertj</groupId>
 			<artifactId>assertj-core</artifactId>

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/assertj/Matched.java

-/*
- * Copyright 2012-2017 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
- *
- *      https://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.boot.testsupport.assertj;
-
-import org.assertj.core.api.Condition;
-import org.hamcrest.Matcher;
-import org.hamcrest.StringDescription;
-
-import org.springframework.util.Assert;
-
-/**
- * Adapter class allowing a Hamcrest {@link Matcher} to be used as an AssertJ
- * {@link Condition}.
- *
- * @param <T> the type of object that the condition accepts
- * @author Phillip Webb
- * @since 2.0.0
- */
-public final class Matched<T> extends Condition<T> {
-
-	private final Matcher<? extends T> matcher;
-
-	private Matched(Matcher<? extends T> matcher) {
-		Assert.notNull(matcher, "Matcher must not be null");
-		this.matcher = matcher;
-	}
-
-	@Override
-	public boolean matches(T value) {
-		if (this.matcher.matches(value)) {
-			return true;
-		}
-		StringDescription description = new StringDescription();
-		this.matcher.describeTo(description);
-		describedAs(description.toString());
-		return false;
-	}
-
-	public static <T> Condition<T> when(Matcher<? extends T> matcher) {
-		return by(matcher);
-	}
-
-	public static <T> Condition<T> by(Matcher<? extends T> matcher) {
-		return new Matched<>(matcher);
-	}
-
-}

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/assertj/package-info.java

-/*
- * Copyright 2012-2017 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
- *
- *      https://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.
- */
-
-/**
- * Utilities and helpers for AssertJ.
- */
-package org.springframework.boot.testsupport.assertj;

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/test/java/org/springframework/boot/testsupport/assertj/MatchedTests.java

-/*
- * Copyright 2012-2019 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
- *
- *      https://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.boot.testsupport.assertj;
-
-import org.junit.jupiter.api.Test;
-
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
-import static org.hamcrest.Matchers.startsWith;
-
-/**
- * Tests for {@link Matched}.
- *
- * @author Phillip Webb
- */
-class MatchedTests {
-
-	@Test
-	void byMatcherMatches() {
-		assertThat("1234").is(Matched.by(startsWith("12")));
-	}
-
-	@Test
-	void byMatcherDoesNotMatch() {
-		assertThatExceptionOfType(AssertionError.class)
-				.isThrownBy(() -> assertThat("1234").is(Matched.by(startsWith("23"))))
-				.withMessageContaining("a string starting with \"23\"");
-	}
-
-	@Test
-	void whenMatcherMatches() {
-		assertThat("1234").is(Matched.when(startsWith("12")));
-	}
-
-	@Test
-	void whenMatcherDoesNotMatch() {
-		assertThatExceptionOfType(AssertionError.class)
-				.isThrownBy(() -> assertThat("1234").is(Matched.when(startsWith("23"))))
-				.withMessageContaining("a string starting with \"23\"");
-	}
-
-}

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/type/classreading/ConcurrentReferenceCachingMetadataReaderFactoryTests.java

@@ -22,7 +22,6 @@ import org.springframework.core.io.Resource;
 import org.springframework.core.type.classreading.MetadataReader;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.Matchers.sameInstance;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
@@ -53,7 +52,7 @@ class ConcurrentReferenceCachingMetadataReaderFactoryTests {
 		MetadataReader metadataReader1 = factory.getMetadataReader(getClass().getName());
 		factory.clearCache();
 		MetadataReader metadataReader2 = factory.getMetadataReader(getClass().getName());
-		assertThat(metadataReader1).isNotEqualTo(sameInstance(metadataReader2));
+		assertThat(metadataReader1).isNotSameAs(metadataReader2);
 		verify(factory, times(2)).createMetadataReader(any(Resource.class));
 	}