Simplified unit testing of templates

Cumulocity-IoT · Jul 1, 2024 · be2f128 · be2f128
1 parent 4d6a6af
commit be2f128
Showing 1 changed file with 36 additions and 7 deletions.
diff --git a/java/lora-ns-objenious/src/test/java/lora/ns/objenious/ObjeniousIntegrationServiceTest.java b/java/lora-ns-objenious/src/test/java/lora/ns/objenious/ObjeniousIntegrationServiceTest.java
@@ -1,25 +1,40 @@
 package lora.ns.objenious;
+
+import static org.hamcrest.MatcherAssert.*;
+import static org.hamcrest.Matchers.*;
+
 import java.util.HashMap;
 import java.util.Map;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.is;
-
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Spy;
+import org.mockito.junit.jupiter.MockitoExtension;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.support.StaticApplicationContext;
+import org.thymeleaf.spring5.SpringTemplateEngine;
+import org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver;
+import org.thymeleaf.templatemode.TemplateMode;
 
 import io.restassured.path.json.JsonPath;
+import lora.rest.LoraContextService;
 
-@SpringBootTest
+@ExtendWith(MockitoExtension.class)
 public class ObjeniousIntegrationServiceTest {
     private final Logger logger = LoggerFactory.getLogger(ObjeniousIntegrationServiceTest.class);
 
-    @Autowired
+    @Mock
+    protected LoraContextService loraContextService;
+
+    @InjectMocks
     private ObjeniousIntegrationService is;
 
+    @Spy
+    private SpringTemplateEngine mMessageTemplateEngine = createTemplateEngine();
+
     public static final String DEVEUI = "0123456789ABCDEF";
     public static final String DEVICE_NAME = "My device";
     public static final String PAYLOAD = "0123456";
@@ -37,4 +52,18 @@ void testPayload() {
         assertThat(payloadJsonPath.getString("device_properties.external_id"), is(DEVICE_NAME));
         assertThat(payloadJsonPath.getString("payload_cleartext"), is(PAYLOAD));
     }
+
+    private SpringTemplateEngine createTemplateEngine() {
+        SpringResourceTemplateResolver templateResolver = new SpringResourceTemplateResolver();
+        templateResolver.setApplicationContext(new StaticApplicationContext());
+        templateResolver.setPrefix("classpath:/templates/");
+        templateResolver.setSuffix(".xml");
+        templateResolver.setTemplateMode(TemplateMode.HTML);
+
+        var templateEngine = new SpringTemplateEngine();
+        templateEngine.setEnableSpringELCompiler(true);
+        templateEngine.setTemplateResolver(templateResolver);
+
+        return templateEngine;
+    }
 }