iSharkFly-Docs
/
java-tutorials
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

BAEL-3960 (#9070) 

Bael-3960, asserting log messages with junit code.
This commit is contained in:
marc06210 2020-05-04 18:03:21 +02:00 committed by GitHub
parent 93074cdabc
commit b3f1413445
7 changed files with 173 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
testing-modules/pom.xml
View File

@ -33,6 +33,7 @@
<module>selenium-junit-testng</module>
<module>spring-testing</module>
<module>test-containers</module>
<module>testing-assertions</module>
<module>testng</module>
<module>junit-5-basics</module>
<module>easymock</module>

28
testing-modules/testing-assertions/pom.xml Normal file
View File

@ -0,0 +1,28 @@
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>testing-assertions</artifactId>
<version>0.0.1-SNAPSHOT</version>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>3.15.0</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

16
testing-modules/testing-assertions/src/main/java/com/baeldung/junit/log/BusinessWorker.java Normal file
View File

@ -0,0 +1,16 @@
package com.baeldung.junit.log;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BusinessWorker {
private static Logger LOGGER = LoggerFactory.getLogger(BusinessWorker.class);
public void generateLogs(String msg) {
LOGGER.trace(msg);
LOGGER.debug(msg);
LOGGER.info(msg);
LOGGER.warn(msg);
LOGGER.error(msg);
}
}

16
testing-modules/testing-assertions/src/main/resources/logback.xml Normal file
View File

@ -0,0 +1,16 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<layout class="ch.qos.logback.classic.PatternLayout">
<Pattern>
%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n
</Pattern>
</layout>
</appender>
<logger name="com.baeldung.junit.log" level="debug" additivity="false">
<appender-ref ref="CONSOLE"/>
</logger>
<root level="error">
<appender-ref ref="CONSOLE"/>
</root>
</configuration>

48
testing-modules/testing-assertions/src/test/java/com/baeldung/junit/log/BusinessWorkerUnitTest.java Normal file
View File

@ -0,0 +1,48 @@
package com.baeldung.junit.log;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
public class BusinessWorkerUnitTest {
private static MemoryAppender memoryAppender;
private static final String LOGGER_NAME = "com.baeldung.junit.log";
private static final String MSG = "This is a test message!!!";
@Before
public void setup() {
Logger logger = (Logger) LoggerFactory.getLogger(LOGGER_NAME);
memoryAppender = new MemoryAppender();
memoryAppender.setContext((LoggerContext) LoggerFactory.getILoggerFactory());
logger.setLevel(Level.DEBUG);
logger.addAppender(memoryAppender);
memoryAppender.start();
}
@After
public void cleanUp() {
memoryAppender.reset();
memoryAppender.stop();
}
@Test
public void test() {
BusinessWorker worker = new BusinessWorker();
worker.generateLogs(MSG);
// I check that I only have 4 messages (all but trace)
assertThat(memoryAppender.countEventsForLogger(LOGGER_NAME)).isEqualTo(4);
// I look for a specific message at a specific level, and I only have 1
assertThat(memoryAppender.search(MSG, Level.INFO).size()).isEqualTo(1);
// I check that the entry that is not present is the trace level
assertThat(memoryAppender.contains(MSG, Level.TRACE)).isFalse();
}
}

51
testing-modules/testing-assertions/src/test/java/com/baeldung/junit/log/MemoryAppender.java Normal file
View File

@ -0,0 +1,51 @@
package com.baeldung.junit.log;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.read.ListAppender;
/**
* In memory slf4j appender<br/>
* Convenient appender to be able to check slf4j invocations
*/
public class MemoryAppender extends ListAppender<ILoggingEvent> {
public void reset() {
this.list.clear();
}
public boolean contains(String string, Level level) {
return this.list.stream()
.anyMatch(event -> event.getMessage().toString().contains(string)
&& event.getLevel().equals(level));
}
public int countEventsForLogger(String loggerName) {
return (int) this.list.stream()
.filter(event -> event.getLoggerName().contains(loggerName)).count();
}
public List<ILoggingEvent> search(String string) {
return this.list.stream()
.filter(event -> event.getMessage().toString().contains(string))
.collect(Collectors.toList());
}
public List<ILoggingEvent> search(String string, Level level) {
return this.list.stream()
.filter(event -> event.getMessage().toString().contains(string)
&& event.getLevel().equals(level))
.collect(Collectors.toList());
}
public int getSize() {
return this.list.size();
}
public List<ILoggingEvent> getLoggedEvents() {
return Collections.unmodifiableList(this.list);
}
}

13
testing-modules/testing-assertions/src/test/resources/logback.xml Normal file
View File

@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<layout class="ch.qos.logback.classic.PatternLayout">
<Pattern>
%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n
</Pattern>
</layout>
</appender>
<root level="error">
<appender-ref ref="CONSOLE"/>
</root>
</configuration>