Add properties utils tests

kstreamplify-core/src/test/java/com/michelin/kstreamplify/properties/PropertiesUtilsTest.java

@@ -0,0 +1,28 @@
+package com.michelin.kstreamplify.properties;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.Properties;
+import org.junit.jupiter.api.Test;
+
+class PropertiesUtilsTest {
+
+    @Test
+    void shouldLoadProperties() {
+        Properties properties = PropertiesUtils.loadProperties();
+
+        assertTrue(properties.containsKey("server.port"));
+        assertTrue(properties.containsValue(8080));
+
+        assertTrue(properties.containsKey("kafka.properties.application.id"));
+        assertTrue(properties.containsValue("appId"));
+    }
+
+    @Test
+    void shouldLoadKafkaProperties() {
+        Properties properties = PropertiesUtils.loadKafkaProperties(PropertiesUtils.loadProperties());
+
+        assertTrue(properties.containsKey("application.id"));
+        assertTrue(properties.containsValue("appId"));
+    }
+}

kstreamplify-core/src/test/resources/application.yml

@@ -0,0 +1,5 @@
+server:
+  port: 8080
+kafka:
+  properties:
+    application.id: appId