added logging functionality

Author: scmacdon

kotlin/services/polly/build.gradle.kts

@@ -34,6 +34,8 @@ dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter:5.9.0")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
     implementation("com.googlecode.soundlibs:jlayer:1.0.1.4")
+    implementation("org.slf4j:slf4j-api:2.0.15")
+    implementation("org.slf4j:slf4j-simple:2.0.15")
 }
 tasks.withType<KotlinCompile> {
     kotlinOptions.jvmTarget = "17"

kotlin/services/polly/src/test/kotlin/PollyKotlinTest.kt

@@ -10,31 +10,34 @@ import org.junit.jupiter.api.Order
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
 import org.junit.jupiter.api.TestMethodOrder
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 @TestMethodOrder(OrderAnnotation::class)
 class PollyKotlinTest {
+    private val logger: Logger = LoggerFactory.getLogger(PollyKotlinTest::class.java)
     @Test
     @Order(1)
     fun pollyDemo() =
         runBlocking {
             talkPolly()
-            println("Test 1 passed")
+            logger.info("Test 1 passed")
         }
 
     @Test
     @Order(2)
     fun describeVoicesSample() =
         runBlocking {
             describeVoice()
-            println("Test 2 passed")
+            logger.info("Test 2 passed")
         }
 
     @Test
     @Order(3)
     fun listLexiconsTest() =
         runBlocking {
             listLexicons()
-            println("Test 3 passed")
+            logger.info("Test 3 passed")
         }
 }

kotlin/services/polly/src/test/resources/logback.xml

@@ -0,0 +1,11 @@
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="info">
+        <appender-ref ref="STDOUT"/>
+    </root>
+</configuration>