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Add ProblemDetailJacksonMixin

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Closes gh-28665
This commit is contained in:
rstoyanchev
2022-07-12 13:04:15 +01:00
parent 1c03aaaddc
commit 380aedb12a
9 changed files with 179 additions and 30 deletions
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17
spring-web/src/test/java/org/springframework/http/converter/json/Jackson2ObjectMapperBuilderTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2021 the original author or authors.
* Copyright 2002-2022 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.
@@ -82,6 +82,7 @@ import kotlin.ranges.IntRange;
import org.junit.jupiter.api.Test;
import org.springframework.beans.FatalBeanException;
import org.springframework.http.ProblemDetail;
import org.springframework.util.StringUtils;
import static org.assertj.core.api.Assertions.assertThat;
@@ -348,12 +349,13 @@ class Jackson2ObjectMapperBuilderTests {
Class<?> target = String.class;
Class<?> mixInSource = Object.class;
ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json()
ObjectMapper mapper = Jackson2ObjectMapperBuilder.json()
.modules().mixIn(target, mixInSource)
.build();
assertThat(objectMapper.mixInCount()).isEqualTo(1);
assertThat(objectMapper.findMixInClassFor(target)).isSameAs(mixInSource);
assertThat(mapper.mixInCount()).isEqualTo(2);
assertThat(mapper.findMixInClassFor(ProblemDetail.class)).isAssignableFrom(ProblemDetailJacksonMixin.class);
assertThat(mapper.findMixInClassFor(target)).isSameAs(mixInSource);
}
@Test
@@ -363,12 +365,13 @@ class Jackson2ObjectMapperBuilderTests {
Map<Class<?>, Class<?>> mixIns = new HashMap<>();
mixIns.put(target, mixInSource);
ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json()
ObjectMapper mapper = Jackson2ObjectMapperBuilder.json()
.modules().mixIns(mixIns)
.build();
assertThat(objectMapper.mixInCount()).isEqualTo(1);
assertThat(objectMapper.findMixInClassFor(target)).isSameAs(mixInSource);
assertThat(mapper.mixInCount()).isEqualTo(2);
assertThat(mapper.findMixInClassFor(ProblemDetail.class)).isAssignableFrom(ProblemDetailJacksonMixin.class);
assertThat(mapper.findMixInClassFor(target)).isSameAs(mixInSource);
}
@Test

10
spring-web/src/test/java/org/springframework/http/converter/json/Jackson2ObjectMapperFactoryBeanTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2021 the original author or authors.
* Copyright 2002-2022 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.
@@ -60,6 +60,7 @@ import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import org.junit.jupiter.api.Test;
import org.springframework.beans.FatalBeanException;
import org.springframework.http.ProblemDetail;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
@@ -241,10 +242,11 @@ public class Jackson2ObjectMapperFactoryBeanTests {
this.factory.setModules(Collections.emptyList());
this.factory.setMixIns(mixIns);
this.factory.afterPropertiesSet();
ObjectMapper objectMapper = this.factory.getObject();
ObjectMapper mapper = this.factory.getObject();
assertThat(objectMapper.mixInCount()).isEqualTo(1);
assertThat(objectMapper.findMixInClassFor(target)).isSameAs(mixinSource);
assertThat(mapper.mixInCount()).isEqualTo(2);
assertThat(mapper.findMixInClassFor(ProblemDetail.class)).isAssignableFrom(ProblemDetailJacksonMixin.class);
assertThat(mapper.findMixInClassFor(target)).isSameAs(mixinSource);
}
@Test

86
spring-web/src/test/java/org/springframework/http/converter/json/ProblemDetailJacksonMixinTests.java Normal file
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@@ -0,0 +1,86 @@
/*
* Copyright 2002-2022 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.http.converter.json;
import java.net.URI;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.jupiter.api.Test;
import org.springframework.http.HttpStatus;
import org.springframework.http.ProblemDetail;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for serializing a {@link org.springframework.http.ProblemDetail} through
* the Jackson library.
*
* @author Rossen Stoyanchev
* @since 6.0
*/
public class ProblemDetailJacksonMixinTests {
private final ObjectMapper mapper = new Jackson2ObjectMapperBuilder().build();
@Test
void writeStatusAndHeaders() throws Exception {
testWrite(
ProblemDetail.forStatusAndDetail(HttpStatus.BAD_REQUEST, "Missing header"),
"{\"type\":\"about:blank\"," +
"\"title\":\"Bad Request\"," +
"\"status\":400," +
"\"detail\":\"Missing header\"}");
}
@Test
void writeCustomProperty() throws Exception {
ProblemDetail problemDetail = ProblemDetail.forStatusAndDetail(HttpStatus.BAD_REQUEST, "Missing header");
problemDetail.setProperty("host", "abc.org");
testWrite(problemDetail,
"{\"type\":\"about:blank\"," +
"\"title\":\"Bad Request\"," +
"\"status\":400," +
"\"detail\":\"Missing header\"," +
"\"host\":\"abc.org\"}");
}
@Test
void readCustomProperty() throws Exception {
ProblemDetail problemDetail = this.mapper.readValue(
"{\"type\":\"about:blank\"," +
"\"title\":\"Bad Request\"," +
"\"status\":400," +
"\"detail\":\"Missing header\"," +
"\"host\":\"abc.org\"}", ProblemDetail.class);
assertThat(problemDetail.getType()).isEqualTo(URI.create("about:blank"));
assertThat(problemDetail.getTitle()).isEqualTo("Bad Request");
assertThat(problemDetail.getStatus()).isEqualTo(HttpStatus.BAD_REQUEST.value());
assertThat(problemDetail.getDetail()).isEqualTo("Missing header");
assertThat(problemDetail.getProperties()).containsEntry("host", "abc.org");
}
private void testWrite(ProblemDetail problemDetail, String expected) throws Exception {
String output = this.mapper.writeValueAsString(problemDetail);
assertThat(output).isEqualTo(expected);
}
}