Drop ContentContainingCondition in favor of Assertions.contentOf

Closes gh-15429

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/restdocs/ContentContainingCondition.java

@@ -1,54 +0,0 @@
-/*
- * 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
- *
- *      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.boot.test.autoconfigure.restdocs;
-
-import java.io.File;
-import java.io.FileReader;
-import java.io.IOException;
-import java.io.Reader;
-
-import org.assertj.core.api.Condition;
-import org.assertj.core.description.TextDescription;
-
-import org.springframework.util.FileCopyUtils;
-
-/**
- * A {@link Condition} to assert that a file's contents contain a given string.
- *
- * @author Andy Wilkinson
- */
-class ContentContainingCondition extends Condition<File> {
-
-	private final String toContain;
-
-	ContentContainingCondition(String toContain) {
-		super(new TextDescription("content containing %s", toContain));
-		this.toContain = toContain;
-	}
-
-	@Override
-	public boolean matches(File value) {
-		try (Reader reader = new FileReader(value)) {
-			String content = FileCopyUtils.copyToString(reader);
-			return content.contains(this.toContain);
-		}
-		catch (IOException ex) {
-			throw new IllegalStateException(ex);
-		}
-	}
-
-}

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/restdocs/MockMvcRestDocsAutoConfigurationAdvancedConfigurationIntegrationTests.java

@@ -18,7 +18,6 @@ package org.springframework.boot.test.autoconfigure.restdocs;
 
 import java.io.File;
 
-import org.assertj.core.api.Condition;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -37,6 +36,7 @@ import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.util.FileSystemUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.contentOf;
 import static org.springframework.restdocs.hypermedia.HypermediaDocumentation.linkWithRel;
 import static org.springframework.restdocs.hypermedia.HypermediaDocumentation.links;
 import static org.springframework.restdocs.payload.PayloadDocumentation.fieldWithPath;
@@ -77,16 +77,12 @@ public class MockMvcRestDocsAutoConfigurationAdvancedConfigurationIntegrationTes
 				linkWithRel("self").description("Canonical location of this resource"))));
 		File defaultSnippetsDir = new File(this.generatedSnippets, "snippet-generation");
 		assertThat(defaultSnippetsDir).exists();
-		assertThat(new File(defaultSnippetsDir, "curl-request.md"))
-				.has(contentContaining("'http://localhost:8080/'"));
+		assertThat(contentOf(new File(defaultSnippetsDir, "curl-request.md")))
+				.contains("'http://localhost:8080/'");
 		assertThat(new File(defaultSnippetsDir, "links.md")).isFile();
 		assertThat(new File(defaultSnippetsDir, "response-fields.md")).isFile();
 	}
 
-	private Condition<File> contentContaining(String toContain) {
-		return new ContentContainingCondition(toContain);
-	}
-
 	@TestConfiguration
 	public static class CustomizationConfiguration {
 

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/restdocs/MockMvcRestDocsAutoConfigurationIntegrationTests.java

@@ -18,7 +18,6 @@ package org.springframework.boot.test.autoconfigure.restdocs;
 
 import java.io.File;
 
-import org.assertj.core.api.Condition;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -31,6 +30,7 @@ import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.util.FileSystemUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.contentOf;
 import static org.springframework.restdocs.mockmvc.MockMvcRestDocumentation.document;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 
@@ -61,15 +61,11 @@ public class MockMvcRestDocsAutoConfigurationIntegrationTests {
 		this.mvc.perform(get("/")).andDo(document("default-snippets"));
 		File defaultSnippetsDir = new File(this.generatedSnippets, "default-snippets");
 		assertThat(defaultSnippetsDir).exists();
-		assertThat(new File(defaultSnippetsDir, "curl-request.adoc"))
-				.has(contentContaining("'https://api.example.com/'"));
-		assertThat(new File(defaultSnippetsDir, "http-request.adoc"))
-				.has(contentContaining("api.example.com"));
+		assertThat(contentOf(new File(defaultSnippetsDir, "curl-request.adoc")))
+				.contains("'https://api.example.com/'");
+		assertThat(contentOf(new File(defaultSnippetsDir, "http-request.adoc")))
+				.contains("api.example.com");
 		assertThat(new File(defaultSnippetsDir, "http-response.adoc")).isFile();
 	}
 
-	private Condition<File> contentContaining(String toContain) {
-		return new ContentContainingCondition(toContain);
-	}
-
 }

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/restdocs/RestAssuredRestDocsAutoConfigurationAdvancedConfigurationIntegrationTests.java

@@ -19,7 +19,6 @@ package org.springframework.boot.test.autoconfigure.restdocs;
 import java.io.File;
 
 import io.restassured.specification.RequestSpecification;
-import org.assertj.core.api.Condition;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -39,6 +38,7 @@ import org.springframework.util.FileSystemUtils;
 
 import static io.restassured.RestAssured.given;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.contentOf;
 import static org.hamcrest.CoreMatchers.is;
 import static org.springframework.restdocs.operation.preprocess.Preprocessors.modifyUris;
 import static org.springframework.restdocs.operation.preprocess.Preprocessors.preprocessRequest;
@@ -81,18 +81,14 @@ public class RestAssuredRestDocsAutoConfigurationAdvancedConfigurationIntegratio
 				.when().port(this.port).get("/").then().assertThat().statusCode(is(200));
 		File defaultSnippetsDir = new File(this.generatedSnippets, "default-snippets");
 		assertThat(defaultSnippetsDir).exists();
-		assertThat(new File(defaultSnippetsDir, "curl-request.md"))
-				.has(contentContaining("'https://api.example.com/'"));
-		assertThat(new File(defaultSnippetsDir, "http-request.md"))
-				.has(contentContaining("api.example.com"));
+		assertThat(contentOf(new File(defaultSnippetsDir, "curl-request.md")))
+				.contains("'https://api.example.com/'");
+		assertThat(contentOf(new File(defaultSnippetsDir, "http-request.md")))
+				.contains("api.example.com");
 		assertThat(new File(defaultSnippetsDir, "http-response.md")).isFile();
 		assertThat(new File(defaultSnippetsDir, "response-fields.md")).isFile();
 	}
 
-	private Condition<File> contentContaining(String toContain) {
-		return new ContentContainingCondition(toContain);
-	}
-
 	@TestConfiguration
 	public static class CustomizationConfiguration {
 

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/restdocs/RestAssuredRestDocsAutoConfigurationIntegrationTests.java

@@ -19,7 +19,6 @@ package org.springframework.boot.test.autoconfigure.restdocs;
 import java.io.File;
 
 import io.restassured.specification.RequestSpecification;
-import org.assertj.core.api.Condition;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -34,6 +33,7 @@ import org.springframework.util.FileSystemUtils;
 
 import static io.restassured.RestAssured.given;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.contentOf;
 import static org.hamcrest.CoreMatchers.is;
 import static org.springframework.restdocs.operation.preprocess.Preprocessors.modifyUris;
 import static org.springframework.restdocs.operation.preprocess.Preprocessors.preprocessRequest;
@@ -73,15 +73,11 @@ public class RestAssuredRestDocsAutoConfigurationIntegrationTests {
 				.when().port(this.port).get("/").then().assertThat().statusCode(is(200));
 		File defaultSnippetsDir = new File(this.generatedSnippets, "default-snippets");
 		assertThat(defaultSnippetsDir).exists();
-		assertThat(new File(defaultSnippetsDir, "curl-request.adoc"))
-				.has(contentContaining("'https://api.example.com/'"));
-		assertThat(new File(defaultSnippetsDir, "http-request.adoc"))
-				.has(contentContaining("api.example.com"));
+		assertThat(contentOf(new File(defaultSnippetsDir, "curl-request.adoc")))
+				.contains("'https://api.example.com/'");
+		assertThat(contentOf(new File(defaultSnippetsDir, "http-request.adoc")))
+				.contains("api.example.com");
 		assertThat(new File(defaultSnippetsDir, "http-response.adoc")).isFile();
 	}
 
-	private Condition<File> contentContaining(String toContain) {
-		return new ContentContainingCondition(toContain);
-	}
-
 }

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/restdocs/WebTestClientRestDocsAutoConfigurationAdvancedConfigurationIntegrationTests.java

@@ -18,7 +18,6 @@ package org.springframework.boot.test.autoconfigure.restdocs;
 
 import java.io.File;
 
-import org.assertj.core.api.Condition;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -37,6 +36,7 @@ import org.springframework.test.web.reactive.server.WebTestClient;
 import org.springframework.util.FileSystemUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.contentOf;
 import static org.springframework.restdocs.payload.PayloadDocumentation.fieldWithPath;
 import static org.springframework.restdocs.payload.PayloadDocumentation.responseFields;
 import static org.springframework.restdocs.webtestclient.WebTestClientRestDocumentation.document;
@@ -70,18 +70,14 @@ public class WebTestClientRestDocsAutoConfigurationAdvancedConfigurationIntegrat
 				.expectBody().consumeWith(document("default-snippets"));
 		File defaultSnippetsDir = new File(this.generatedSnippets, "default-snippets");
 		assertThat(defaultSnippetsDir).exists();
-		assertThat(new File(defaultSnippetsDir, "curl-request.md"))
-				.has(contentContaining("'https://api.example.com/'"));
-		assertThat(new File(defaultSnippetsDir, "http-request.md"))
-				.has(contentContaining("api.example.com"));
+		assertThat(contentOf(new File(defaultSnippetsDir, "curl-request.md")))
+				.contains("'https://api.example.com/'");
+		assertThat(contentOf(new File(defaultSnippetsDir, "http-request.md")))
+				.contains("api.example.com");
 		assertThat(new File(defaultSnippetsDir, "http-response.md")).isFile();
 		assertThat(new File(defaultSnippetsDir, "response-fields.md")).isFile();
 	}
 
-	private Condition<File> contentContaining(String toContain) {
-		return new ContentContainingCondition(toContain);
-	}
-
 	@TestConfiguration
 	public static class CustomizationConfiguration {
 

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/restdocs/WebTestClientRestDocsAutoConfigurationIntegrationTests.java

@@ -18,7 +18,6 @@ package org.springframework.boot.test.autoconfigure.restdocs;
 
 import java.io.File;
 
-import org.assertj.core.api.Condition;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -32,6 +31,7 @@ import org.springframework.test.web.reactive.server.WebTestClient;
 import org.springframework.util.FileSystemUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.contentOf;
 import static org.springframework.restdocs.webtestclient.WebTestClientRestDocumentation.document;
 
 /**
@@ -63,15 +63,11 @@ public class WebTestClientRestDocsAutoConfigurationIntegrationTests {
 				.expectBody().consumeWith(document("default-snippets"));
 		File defaultSnippetsDir = new File(this.generatedSnippets, "default-snippets");
 		assertThat(defaultSnippetsDir).exists();
-		assertThat(new File(defaultSnippetsDir, "curl-request.adoc"))
-				.has(contentContaining("'https://api.example.com/'"));
-		assertThat(new File(defaultSnippetsDir, "http-request.adoc"))
-				.has(contentContaining("api.example.com"));
+		assertThat(contentOf(new File(defaultSnippetsDir, "curl-request.adoc")))
+				.contains("'https://api.example.com/'");
+		assertThat(contentOf(new File(defaultSnippetsDir, "http-request.adoc")))
+				.contains("api.example.com");
 		assertThat(new File(defaultSnippetsDir, "http-response.adoc")).isFile();
 	}
 
-	private Condition<File> contentContaining(String toContain) {
-		return new ContentContainingCondition(toContain);
-	}
-
 }