initial structure and tests

2023-12-26 23:46:46 -03:00
parent e5e8ecf27d
commit de84049dc0
5 changed files with 156 additions and 0 deletions
@@ -0,0 +1,42 @@
+
+import com.baeldung.structuredlogging.User;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static net.logstash.logback.argument.StructuredArguments.kv;
+
+public class StructuredLog4jExampleUnitTest {
+
+    Logger logger = LoggerFactory.getLogger("logger_name_example");
+
+    @Test
+    void whenInfoLoggingData_thenFormatItCorrectly() {
+        User user = new User("1", "John Doe", "123456");
+
+        logger.atInfo().setMessage("Processed user succesfully")
+                .addKeyValue("user_info", user)
+                .log();
+    }
+
+    @Test
+    void givenStructuredLog_whenUseLog4j_thenExtractCorrectInformation() {
+        User user = new User("1", "John Doe", "123456");
+
+        try {
+            throwExceptionMethod();
+        } catch (RuntimeException ex) {
+            logger.atError().addKeyValue("user_info", user)
+                    .setMessage("Error processing given user")
+                    .addKeyValue("exception_class", ex.getClass().getSimpleName())
+                    .addKeyValue("error_message", ex.getMessage())
+                    .log();
+        }
+    }
+
+    private void throwExceptionMethod() {
+        throw new RuntimeException("Error saving user data", new AssertionError());
+    }
+}
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="INFO">
+    <Appenders>
+        <Console name="ConsoleAppender" target="SYSTEM_OUT">
+            <JsonLayout compact="true" eventEol="true" objectMessageAsJsonObject="true" properties="true"/>
+        </Console>
+    </Appenders>
+
+    <Loggers>
+        <Root level="INFO">
+            <AppenderRef ref="stdout"/>
+        </Root>
+    </Loggers>
+</Configuration>