Update log levels to use test runner v3 features (#2491)

* Update log levels to use test runner v3 features

* fixed typo in display name

Author: aldotele

exercises/concept/log-levels/build.gradle

@@ -1,23 +1,22 @@
-apply plugin: "java"
-apply plugin: "eclipse"
-apply plugin: "idea"
-
-// set default encoding to UTF-8
-compileJava.options.encoding = "UTF-8"
-compileTestJava.options.encoding = "UTF-8"
+plugins {
+  id "java"
+}
 
 repositories {
   mavenCentral()
 }
 
 dependencies {
-  testImplementation "junit:junit:4.13"
+  testImplementation platform("org.junit:junit-bom:5.10.0")
+  testImplementation "org.junit.jupiter:junit-jupiter"
   testImplementation "org.assertj:assertj-core:3.15.0"
 }
 
 test {
+  useJUnitPlatform()
+
   testLogging {
-    exceptionFormat = 'full'
+    exceptionFormat = "full"
     showStandardStreams = true
     events = ["passed", "failed", "skipped"]
   }

exercises/concept/log-levels/src/test/java/LogLevelsTest.java

@@ -1,62 +1,86 @@
-import org.junit.Test;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Tag;
+import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.*;
 
 public class LogLevelsTest {
     @Test
+    @Tag("task:1")
+    @DisplayName("The message method returns the log line's message of an error log")
     public void error_message() {
         assertThat(LogLevels.message("[ERROR]: Stack overflow")).isEqualTo("Stack overflow");
     }
 
     @Test
+    @Tag("task:1")
+    @DisplayName("The message method returns the log line's message of a warning log")
     public void warning_message() {
         assertThat(LogLevels.message("[WARNING]: Disk almost full")).isEqualTo("Disk almost full");
     }
 
     @Test
+    @Tag("task:1")
+    @DisplayName("The message method returns the log line's message of an info log")
     public void info_message() {
         assertThat(LogLevels.message("[INFO]: File moved")).isEqualTo("File moved");
     }
 
     @Test
+    @Tag("task:1")
+    @DisplayName("The message method returns the log line's message after removing leading and trailing spaces")
     public void message_with_leading_and_trailing_white_space() {
         assertThat(LogLevels.message("[WARNING]:   \tTimezone not set  \r\n")).isEqualTo("Timezone not set");
     }
 
     @Test
+    @Tag("task:2")
+    @DisplayName("The logLevel method returns the log level of an error log line")
     public void error_log_level() {
         assertThat(LogLevels.logLevel("[ERROR]: Disk full")).isEqualTo("error");
     }
 
     @Test
+    @Tag("task:2")
+    @DisplayName("The logLevel method returns the log level of a warning log line")
     public void warning_log_level() {
         assertThat(LogLevels.logLevel("[WARNING]: Unsafe password")).isEqualTo("warning");
     }
 
     @Test
+    @Tag("task:2")
+    @DisplayName("The logLevel method returns the log level of an info log line")
     public void info_log_level() {
         assertThat(LogLevels.logLevel("[INFO]: Timezone changed")).isEqualTo("info");
     }
 
     @Test
+    @Tag("task:3")
+    @DisplayName("The reformat method correctly reformats an error log line")
     public void error_reformat() {
         assertThat(LogLevels.reformat("[ERROR]: Segmentation fault"))
             .isEqualTo("Segmentation fault (error)");
     }
 
     @Test
+    @Tag("task:3")
+    @DisplayName("The reformat method correctly reformats a warning log line")
     public void warning_reformat() {
         assertThat(LogLevels.reformat("[WARNING]: Decreased performance"))
             .isEqualTo("Decreased performance (warning)");        
     }
 
     @Test
+    @Tag("task:3")
+    @DisplayName("The reformat method correctly reformats an info log line")
     public void info_reformat() {
         assertThat(LogLevels.reformat("[INFO]: Disk defragmented"))
             .isEqualTo("Disk defragmented (info)");        
     }
 
     @Test
+    @Tag("task:3")
+    @DisplayName("The reformat method correctly reformats an error log line removing spaces")
     public void reformat_with_leading_and_trailing_white_space() {
         assertThat(LogLevels.reformat("[ERROR]: \t Corrupt disk\t \t \r\n"))
             .isEqualTo("Corrupt disk (error)");