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https://issues.apache.org/jira/browse/SUREFIRE-1857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17222541#comment-17222541
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Tibor Digana commented on SUREFIRE-1857:
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If the message is null we just ignore it, but i think you are right because we
forget to transfer the message if the error happened.
This call refused to observe the message, see the [line
133|https://github.com/apache/maven-surefire/blob/master/surefire-providers/surefire-junit-platform/src/main/java/org/apache/maven/surefire/junitplatform/RunListenerAdapter.java#L133].
I think you can contribute and provide a fix. It looks simple!
> JUnit 5 report does not contain assertion failure message
> ---------------------------------------------------------
>
> Key: SUREFIRE-1857
> URL: https://issues.apache.org/jira/browse/SUREFIRE-1857
> Project: Maven Surefire
> Issue Type: Bug
> Components: JUnit 5.x support
> Affects Versions: 3.0.0-M4, 3.0.0-M5
> Reporter: Niklas Krieger
> Priority: Major
>
> Since JUnit 5, if a test fails due to an assertion, the xml report does not
> contain the assertion message. According to the report specification, the
> message should be included:
> {code:java}
> <xs:element name="failure" nillable="true" minOccurs="0"
> maxOccurs="unbounded">
> <xs:complexType>
> <xs:simpleContent>
> <xs:extension base="xs:string">
> <xs:attribute name="message" type="xs:string"/>
> <xs:attribute name="type" type="xs:string" use="required"/>
> </xs:extension>
> </xs:simpleContent>
> </xs:complexType>
> </xs:element>{code}
>
> Pom contains:
> {code:java}
> <build>
> <plugins>
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-surefire-plugin</artifactId>
> <version>3.0.0-M5</version>
> </plugin>
> </plugins>
> </build>
> {code}
> Test:
> {code:java}
> package com.example;
> import org.junit.jupiter.api.Assertions;
> import org.junit.jupiter.api.Test;
> public class MyTest {
> @Test
> public void test() {
> Assertions.assertEquals(1, 2, "two is not one");
> }
> }
> {code}
> Generated report:
> {code:java}
> <testcase name="test" classname="com.example.MyTest" time="0.018">
> <failure
> type="org.opentest4j.AssertionFailedError"><![CDATA[org.opentest4j.AssertionFailedError:
> five is not six ==> expected: <5> but was: <6>
> at TestProject/com.example.MyTest.test(MyTest.java:9)
> ]]></failure>
> </testcase>
> {code}
>
> Possible reason for this behavior:
> In version m3, RunListenerAdapter uses SimpleReportEntry.withException to
> generate the entry if the test failed due to an assertion
> Since Version m4, a constructor of SimpleReportEntry is used, however it gets
> null as message
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