refactor!: Remove deployment conf field from VaadinSession

flow-data/src/test/java/com/vaadin/flow/data/provider/DataCommunicatorAsyncTest.java

@@ -17,10 +17,12 @@
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
 import org.mockito.Mock;
+import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
 import com.vaadin.flow.component.UI;
 import com.vaadin.flow.dom.Element;
+import com.vaadin.flow.function.DeploymentConfiguration;
 import com.vaadin.flow.internal.Range;
 import com.vaadin.flow.server.VaadinRequest;
 import com.vaadin.flow.server.VaadinService;
@@ -253,8 +255,10 @@ protected void init(VaadinRequest request) {
         private static VaadinSession findOrcreateSession() {
             VaadinSession session = VaadinSession.getCurrent();
             if (session == null) {
+                DeploymentConfiguration config = Mockito
+                        .mock(DeploymentConfiguration.class);
                 session = new AlwaysLockedVaadinSession(
-                        new VaadinServletService(new VaadinServlet(), null));
+                        new VaadinServletService(new VaadinServlet(), config));
                 VaadinSession.setCurrent(session);
             }
             return session;

flow-server/src/main/java/com/vaadin/flow/server/VaadinService.java

@@ -936,8 +936,6 @@ private VaadinSession createAndRegisterSession(VaadinRequest request) {
         // Initial WebBrowser data comes from the request
         session.setBrowser(new WebBrowser(request));
 
-        session.setConfiguration(getDeploymentConfiguration());
-
         // Initial locale comes from the request
         if (getInstantiator().getI18NProvider() != null) {
             setLocale(request, session);

flow-server/src/main/java/com/vaadin/flow/server/VaadinSession.java

@@ -78,11 +78,6 @@ public class VaadinSession implements HttpSessionBindingListener, Serializable {
 
     volatile boolean sessionClosedExplicitly = false;
 
-    /**
-     * Configuration for the session.
-     */
-    private DeploymentConfiguration configuration;
-
     /**
      * Default locale of the session.
      */
@@ -145,6 +140,14 @@ public class VaadinSession implements HttpSessionBindingListener, Serializable {
      */
     public VaadinSession(VaadinService service) {
         this.service = service;
+
+        if (service != null) {
+            sessionLockCheckStrategy = getConfiguration().isProductionMode()
+                    ? getConfiguration().getSessionLockCheckStrategy()
+                    : SessionLockCheckStrategy.THROW;
+            assert sessionLockCheckStrategy != null;
+        }
+
         resourceRegistry = createStreamResourceRegistry();
     }
 
@@ -344,33 +347,14 @@ private void refreshLock() {
         lock = service.getSessionLock(session);
     }
 
-    public void setConfiguration(DeploymentConfiguration configuration) {
-        checkHasLock();
-        if (configuration == null) {
-            throw new IllegalArgumentException("Can not set to null");
-        }
-        checkSetConfiguration();
-        this.configuration = configuration;
-
-        sessionLockCheckStrategy = configuration.isProductionMode()
-                ? configuration.getSessionLockCheckStrategy()
-                : SessionLockCheckStrategy.THROW;
-        assert sessionLockCheckStrategy != null;
-    }
-
-    protected void checkSetConfiguration() {
-        assert this.configuration == null
-                : "Configuration can only be set once";
-    }
-
     /**
-     * Gets the configuration for this session.
+     * Gets the deployment configuration. Delegates the call to
+     * {@link VaadinService#getDeploymentConfiguration()}
      *
      * @return the deployment configuration
      */
     public DeploymentConfiguration getConfiguration() {
-        checkHasLock();
-        return configuration;
+        return service.getDeploymentConfiguration();
     }
 
     /**
@@ -1117,6 +1101,12 @@ public void refreshTransients(WrappedSession wrappedSession,
             VaadinService vaadinService) {
         session = wrappedSession;
         service = vaadinService;
+
+        sessionLockCheckStrategy = getConfiguration().isProductionMode()
+                ? getConfiguration().getSessionLockCheckStrategy()
+                : SessionLockCheckStrategy.THROW;
+        assert sessionLockCheckStrategy != null;
+
         refreshLock();
     }
 

flow-server/src/test/java/com/vaadin/flow/component/InvalidUrlTest.java

@@ -80,18 +80,19 @@ private static void initUI(UI ui, String initialLocation,
             public VaadinContext getContext() {
                 return new MockVaadinContext();
             }
+
+            @Override
+            public DeploymentConfiguration getDeploymentConfiguration() {
+                DeploymentConfiguration config = Mockito
+                        .mock(DeploymentConfiguration.class);
+                Mockito.when(config.isProductionMode()).thenReturn(false);
+                return config;
+            }
         };
         service.setCurrentInstances(request, response);
 
         MockVaadinSession session = new AlwaysLockedVaadinSession(service);
 
-        DeploymentConfiguration config = Mockito
-                .mock(DeploymentConfiguration.class);
-        Mockito.when(config.isProductionMode()).thenReturn(false);
-
-        session.lock();
-        session.setConfiguration(config);
-
         ui.getInternals().setSession(session);
 
         RouteConfiguration routeConfiguration = RouteConfiguration

flow-server/src/test/java/com/vaadin/flow/component/LocationObserverTest.java

@@ -71,9 +71,7 @@ private static VaadinSession createMockSession(Router router) {
             MockVaadinServletService service = new MockVaadinServletService();
             service.setRouter(router);
 
-            VaadinSession session = new AlwaysLockedVaadinSession(service);
-            session.setConfiguration(service.getDeploymentConfiguration());
-            return session;
+            return new AlwaysLockedVaadinSession(service);
         }
 
         @Override

flow-server/src/test/java/com/vaadin/flow/component/UITest.java

@@ -230,18 +230,19 @@ private static void initUI(UI ui, String initialLocation,
             public VaadinContext getContext() {
                 return new MockVaadinContext();
             }
+
+            @Override
+            public DeploymentConfiguration getDeploymentConfiguration() {
+                DeploymentConfiguration config = Mockito
+                        .mock(DeploymentConfiguration.class);
+                Mockito.when(config.isProductionMode()).thenReturn(false);
+                return config;
+            }
         };
         service.setCurrentInstances(request, response);
 
         MockVaadinSession session = new AlwaysLockedVaadinSession(service);
-
-        DeploymentConfiguration config = Mockito
-                .mock(DeploymentConfiguration.class);
-        Mockito.when(config.isProductionMode()).thenReturn(false);
-
         session.lock();
-        session.setConfiguration(config);
-
         ui.getInternals().setSession(session);
 
         RouteConfiguration routeConfiguration = RouteConfiguration

flow-server/src/test/java/com/vaadin/flow/component/internal/UIInternalsTest.java

@@ -39,6 +39,7 @@
 import com.vaadin.flow.shared.Registration;
 import com.vaadin.flow.shared.communication.PushMode;
 import com.vaadin.tests.util.AlwaysLockedVaadinSession;
+import com.vaadin.tests.util.MockDeploymentConfiguration;
 
 public class UIInternalsTest {
 
@@ -118,6 +119,10 @@ public void init() {
         Element body = new Element("body");
         Mockito.when(ui.getElement()).thenReturn(body);
 
+        MockDeploymentConfiguration config = new MockDeploymentConfiguration();
+        Mockito.when(vaadinService.getDeploymentConfiguration())
+                .thenReturn(config);
+
         internals = new UIInternals(ui);
         AlwaysLockedVaadinSession session = new AlwaysLockedVaadinSession(
                 vaadinService);

flow-server/src/test/java/com/vaadin/flow/component/webcomponent/WebComponentWrapperTest.java

@@ -23,6 +23,7 @@
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
+import org.mockito.Mockito;
 
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.Tag;
@@ -36,6 +37,7 @@
 import com.vaadin.flow.server.VaadinSession;
 import com.vaadin.flow.server.webcomponent.WebComponentBinding;
 import com.vaadin.tests.util.AlwaysLockedVaadinSession;
+import com.vaadin.tests.util.MockDeploymentConfiguration;
 
 import elemental.json.Json;
 import static org.mockito.Mockito.mock;
@@ -242,9 +244,13 @@ private static WebComponentUI constructWebComponentUI(
         Element body = new Element("body");
         when(ui.getElement()).thenReturn(body);
 
+        VaadinService vaadinService = Mockito.mock(VaadinService.class);
+        MockDeploymentConfiguration config = new MockDeploymentConfiguration();
+        Mockito.when(vaadinService.getDeploymentConfiguration())
+                .thenReturn(config);
+
         UIInternals internals = new UIInternals(ui);
-        internals.setSession(
-                new AlwaysLockedVaadinSession(mock(VaadinService.class)));
+        internals.setSession(new AlwaysLockedVaadinSession(vaadinService));
         when(ui.getInternals()).thenReturn(internals);
 
         Component parent = new Parent();

flow-server/src/test/java/com/vaadin/flow/router/RouteConfigurationTest.java

@@ -31,6 +31,7 @@
 import com.vaadin.flow.server.VaadinServletService;
 import com.vaadin.flow.server.VaadinSession;
 import com.vaadin.flow.server.startup.ApplicationRouteRegistry;
+import com.vaadin.tests.util.MockDeploymentConfiguration;
 
 @NotThreadSafe
 public class RouteConfigurationTest {
@@ -50,6 +51,9 @@ public void init() {
         vaadinService = Mockito.mock(MockService.class);
         Mockito.when(vaadinService.getRouteRegistry()).thenReturn(registry);
         Mockito.when(vaadinService.getContext()).thenReturn(vaadinContext);
+        MockDeploymentConfiguration config = new MockDeploymentConfiguration();
+        Mockito.when(vaadinService.getDeploymentConfiguration())
+                .thenReturn(config);
 
         VaadinService.setCurrent(vaadinService);
 

flow-server/src/test/java/com/vaadin/flow/router/RouterConfigurationUrlResolvingTest.java

@@ -52,7 +52,6 @@ public void init() throws NoSuchFieldException, IllegalAccessException {
         super.init();
         ui = new RouterTestMockUI(router);
         ui.getSession().lock();
-        ui.getSession().setConfiguration(configuration);
 
         VaadinService.setCurrent(service);
 

flow-server/src/test/java/com/vaadin/flow/router/RouterTest.java

@@ -1825,7 +1825,6 @@ public void init() throws NoSuchFieldException, SecurityException,
         super.init();
         ui = new RouterTestMockUI(router);
         ui.getSession().lock();
-        ui.getSession().setConfiguration(configuration);
 
         VaadinService.setCurrent(service);
 

flow-server/src/test/java/com/vaadin/flow/router/internal/ErrorStateRendererTest.java

@@ -46,7 +46,6 @@
 import com.vaadin.flow.server.VaadinContext;
 import com.vaadin.flow.server.startup.ApplicationRouteRegistry;
 import com.vaadin.tests.util.AlwaysLockedVaadinSession;
-import com.vaadin.tests.util.MockDeploymentConfiguration;
 import com.vaadin.tests.util.MockUI;
 
 import elemental.json.Json;
@@ -221,7 +220,6 @@ public VaadinContext getContext() {
         };
 
         MockVaadinSession session = new AlwaysLockedVaadinSession(service);
-        session.setConfiguration(new MockDeploymentConfiguration());
 
         MockUI ui = new MockUI(session);
         return ui;

flow-server/src/test/java/com/vaadin/flow/router/internal/NavigationStateRendererTest.java

@@ -68,7 +68,6 @@
 import com.vaadin.flow.server.ServiceException;
 import com.vaadin.flow.server.startup.ApplicationRouteRegistry;
 import com.vaadin.tests.util.AlwaysLockedVaadinSession;
-import com.vaadin.tests.util.MockDeploymentConfiguration;
 import com.vaadin.tests.util.MockUI;
 
 import elemental.json.Json;
@@ -287,7 +286,6 @@ public void handle_preserveOnRefreshAndWindowNameKnown_componentIsCachedRetrieve
 
         // given a locked session
         MockVaadinSession session = new AlwaysLockedVaadinSession(service);
-        session.setConfiguration(new MockDeploymentConfiguration());
 
         // given a UI that contain a window name ROOT.123
         MockUI ui1 = new MockUI(session);
@@ -356,7 +354,6 @@ public void handle_preserveOnRefresh_refreshIsFlaggedInEvent() {
 
         // given a locked session
         MockVaadinSession session = new AlwaysLockedVaadinSession(service);
-        session.setConfiguration(new MockDeploymentConfiguration());
 
         // given a UI that contain a window name ROOT.123
         MockUI ui = new MockUI(session);
@@ -409,7 +406,6 @@ public void handle_preserveOnRefresh_otherUIChildrenAreMoved() {
 
         // given a locked session
         MockVaadinSession session = new AlwaysLockedVaadinSession(service);
-        session.setConfiguration(new MockDeploymentConfiguration());
 
         // given a NavigationStateRenderer mapping to PreservedView
         NavigationStateRenderer renderer = new NavigationStateRenderer(
@@ -456,7 +452,6 @@ public void handle_preserveOnRefreshView_routerLayoutIsPreserved_oldUiIsClosed()
 
         // given a locked session
         MockVaadinSession session = new AlwaysLockedVaadinSession(service);
-        session.setConfiguration(new MockDeploymentConfiguration());
 
         // given a NavigationStateRenderer mapping to PreservedNestedView
         Router router = session.getService().getRouter();
@@ -510,7 +505,6 @@ public void handle_preserveOnRefresh_sameUI_uiIsNotClosed_childrenAreNotRemoved(
 
         // given a locked session
         MockVaadinSession session = new AlwaysLockedVaadinSession(service);
-        session.setConfiguration(new MockDeploymentConfiguration());
 
         // given a NavigationStateRenderer mapping to PreservedView
         NavigationStateRenderer renderer = new NavigationStateRenderer(
@@ -582,7 +576,6 @@ public void handle_variousInputs_checkPushStateShouldBeCalledOrNot() {
 
         // given a locked session
         MockVaadinSession session = new AlwaysLockedVaadinSession(service);
-        session.setConfiguration(new MockDeploymentConfiguration());
 
         // given a NavigationStateRenderer mapping to RegularView
         new NavigationStateBuilder(router).withTarget(RegularView.class)

flow-server/src/test/java/com/vaadin/flow/server/CustomUIClassLoaderTest.java

@@ -10,7 +10,6 @@
 import com.vaadin.flow.component.UI;
 import com.vaadin.flow.function.DeploymentConfiguration;
 import com.vaadin.flow.server.startup.ApplicationConfiguration;
-import com.vaadin.tests.util.AlwaysLockedVaadinSession;
 
 import org.junit.Test;
 import org.mockito.Mockito;
@@ -52,9 +51,6 @@ protected synchronized Class<?> loadClass(String name, boolean resolve)
      */
     @Test
     public void testWithDefaultClassLoader() throws Exception {
-        VaadinSession application = createStubApplication();
-        application.setConfiguration(createConfigurationMock());
-
         Class<? extends UI> uiClass = BootstrapHandler
                 .getUIClass(createRequestMock(getClass().getClassLoader()));
 
@@ -113,13 +109,4 @@ public void testWithClassLoader() throws Exception {
                 loggingClassLoader.requestedClasses.get(0));
 
     }
-
-    private VaadinSession createStubApplication() {
-        return new AlwaysLockedVaadinSession(new MockVaadinServletService()) {
-            @Override
-            public DeploymentConfiguration getConfiguration() {
-                return createConfigurationMock();
-            }
-        };
-    }
 }

flow-server/src/test/java/com/vaadin/flow/server/ErrorHandlerUtilTest.java

@@ -44,6 +44,7 @@
 import com.vaadin.flow.router.RouterLayout;
 import com.vaadin.flow.server.startup.ApplicationRouteRegistry;
 import com.vaadin.tests.util.AlwaysLockedVaadinSession;
+import com.vaadin.tests.util.MockDeploymentConfiguration;
 
 @NotThreadSafe
 public class ErrorHandlerUtilTest {
@@ -129,6 +130,10 @@ public void init() {
         Mockito.when(ui.getUI()).thenReturn(Optional.of(ui));
         Mockito.when(ui.getInternals()).thenReturn(internals);
 
+        MockDeploymentConfiguration config = new MockDeploymentConfiguration();
+        Mockito.when(vaadinService.getDeploymentConfiguration())
+                .thenReturn(config);
+
         session = new AlwaysLockedVaadinSession(vaadinService);
         VaadinContext context = new MockVaadinContext();
         Mockito.when(vaadinService.getContext()).thenReturn(context);