New unit test format

lagom/weather-api/src/main/java/org/baeldung/lagom/helloworld/weather/api/WeatherService.java

@@ -0,0 +1,28 @@
+package org.baeldung.lagom.helloworld.weather.api;
+
+import static com.lightbend.lagom.javadsl.api.Service.named;
+import static com.lightbend.lagom.javadsl.api.Service.*;
+
+import com.lightbend.lagom.javadsl.api.Descriptor;
+import com.lightbend.lagom.javadsl.api.Service;
+import com.lightbend.lagom.javadsl.api.ServiceCall;
+import com.lightbend.lagom.javadsl.api.transport.Method;
+
+import akka.NotUsed;
+
+/**
+ * WeatherService Interface.
+ */
+public interface WeatherService extends Service {
+
+    // Fetch Today's Weather Stats service call
+    public ServiceCall<NotUsed, WeatherStats> weatherStatsForToday();
+
+    @Override
+    default Descriptor descriptor() {
+      return named("weatherservice").withCalls(
+          restCall(Method.GET, "/api/weather", this::weatherStatsForToday)
+        ).withAutoAcl(true);
+    }
+
+}

lagom/weather-api/src/main/java/org/baeldung/lagom/helloworld/weather/api/WeatherStats.java

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+package org.baeldung.lagom.helloworld.weather.api;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+
+public enum WeatherStats {
+
+    STATS_RAINY("Going to Rain, Take Umbrella"), STATS_HUMID("Going to be very humid, Take Water");
+
+    private final String message;
+
+    private static final List<WeatherStats> VALUES = Collections.unmodifiableList(Arrays.asList(values()));
+
+    private static final int SIZE = VALUES.size();
+
+    private static final Random RANDOM = new Random();
+
+    WeatherStats(String msg) {
+        this.message = msg;
+    }
+
+    public static WeatherStats forToday() {
+        return VALUES.get(RANDOM.nextInt(SIZE));
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+}

lagom/weather-api/src/main/resources/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>