adding tests for null state store

Signed-off-by: salaboy <Salaboy@gmail.com>

Author: salaboy

testcontainers-dapr/src/main/java/io/dapr/testcontainers/WorkflowDashboardContainer.java

@@ -65,12 +65,14 @@ public WorkflowDashboardContainer(String image) {
   @Override
   protected void configure() {
     super.configure();
-    if (stateStoreComponent != null) {
-      String componentYaml = COMPONENT_CONVERTER.convert(stateStoreComponent);
-      withCopyToContainer(Transferable.of(componentYaml), "/app/components/" + stateStoreComponent.getName() + ".yaml");
-      withEnv("COMPONENT_FILE", "/app/components/" + stateStoreComponent.getName() + ".yaml");
+    if (stateStoreComponent == null) {
+      throw new IllegalStateException("State store component cannot be null");
     }
 
+    String componentYaml = COMPONENT_CONVERTER.convert(stateStoreComponent);
+    withCopyToContainer(Transferable.of(componentYaml), "/app/components/" + stateStoreComponent.getName() + ".yaml");
+    withEnv("COMPONENT_FILE", "/app/components/" + stateStoreComponent.getName() + ".yaml");
+
   }
 
   public static DockerImageName getDefaultImageName() {

testcontainers-dapr/src/test/java/io/dapr/testcontainers/DaprWorkflowDashboardTest.java

@@ -38,6 +38,20 @@ public void dashboardTest() {
       assertEquals(WorkflowDashboardContainer.DEFAULT_IMAGE_NAME, dashboard.getDefaultImageName());
       assertEquals(8080, dashboard.getExposedPorts().get(0));
       assertEquals(stateStoreComponent, dashboard.getStateStoreComponent());
+      assertEquals("/app/components/kvstore.yaml", dashboard.getEnvMap().get("COMPONENT_FILE"));
     }
   }
+
+  @Test
+  public void dashboardNoStateStoreTest() {
+    Exception expectedException = null;
+    try{
+      WorkflowDashboardContainer dashboard =
+          new WorkflowDashboardContainer(WorkflowDashboardContainer.DEFAULT_IMAGE_NAME);
+      dashboard.configure();
+    } catch(IllegalStateException ex){
+      expectedException = ex;
+    }
+    assertNotNull(expectedException);
+  }
 }