AbstractScriptInvokeService: validate script refactored

common/script/script-api/src/main/java/org/thingsboard/script/api/AbstractScriptInvokeService.java

@@ -134,19 +134,29 @@ public abstract class AbstractScriptInvokeService implements ScriptInvokeService
         }
     }
 
-    @Override
-    public ListenableFuture<UUID> eval(TenantId tenantId, ScriptType scriptType, String scriptBody, String... argNames) {
+    public String validate(TenantId tenantId, String scriptBody) {
         if (isExecEnabled(tenantId)) {
             if (scriptBodySizeExceeded(scriptBody)) {
-                return error(format("Script body exceeds maximum allowed size of %s symbols", getMaxScriptBodySize()));
+                return format("Script body exceeds maximum allowed size of %s symbols", getMaxScriptBodySize());
             }
-            UUID scriptId = UUID.randomUUID();
-            requestsCounter.increment();
-            return withTimeoutAndStatsCallback(scriptId, null,
-                    doEvalScript(tenantId, scriptType, scriptBody, scriptId, argNames), evalCallback, getMaxEvalRequestsTimeout());
         } else {
-            return error("Script Execution is disabled due to API limits!");
+            return "Script Execution is disabled due to API limits!";
         }
+
+        return null;
+    }
+
+    @Override
+    public ListenableFuture<UUID> eval(TenantId tenantId, ScriptType scriptType, String scriptBody, String... argNames) {
+        String validationError = validate(tenantId, scriptBody);
+        if (validationError != null) {
+            return error(validationError);
+        }
+
+        UUID scriptId = UUID.randomUUID();
+        requestsCounter.increment();
+        return withTimeoutAndStatsCallback(scriptId, null,
+                doEvalScript(tenantId, scriptType, scriptBody, scriptId, argNames), evalCallback, getMaxEvalRequestsTimeout());
     }
 
     @Override

common/script/script-api/src/main/java/org/thingsboard/script/api/js/AbstractJsInvokeService.java

@@ -96,18 +96,12 @@ public abstract class AbstractJsInvokeService extends AbstractScriptInvokeServic
     }
 
     @Override
-    public ListenableFuture<UUID> eval(TenantId tenantId, ScriptType scriptType, String scriptBody, String... argNames) {
-        if (!isExecEnabled(tenantId)) {
-            return error("Script Execution is disabled due to API limits!");
+    public String validate(TenantId tenantId, String scriptBody) {
+        String errorMessage = super.validate(tenantId, scriptBody);
+        if (errorMessage == null) {
+            return JsValidator.validate(scriptBody);
         }
-        if (scriptBodySizeExceeded(scriptBody)) {
-            return error(format("Script body exceeds maximum allowed size of %s symbols", getMaxScriptBodySize()));
-        }
-        final String validationIssue = JsValidator.validate(scriptBody);
-        if (validationIssue != null ) {
-            return error(validationIssue);
-        }
-        return super.eval(tenantId, scriptType, scriptBody, argNames);
+        return errorMessage;
     }
 
     protected abstract ListenableFuture<UUID> doEval(UUID scriptId, JsScriptInfo jsInfo, String scriptBody);

common/script/script-api/src/test/java/org/thingsboard/script/api/AbstractScriptInvokeServiceTest.java

@@ -0,0 +1,122 @@
+/**
+ * Copyright © 2016-2025 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.script.api;
+
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+import org.springframework.test.util.ReflectionTestUtils;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.stats.StatsCounter;
+
+import java.util.UUID;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.doCallRealMethod;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
+class AbstractScriptInvokeServiceTest {
+
+    AbstractScriptInvokeService service;
+    final UUID id = UUID.randomUUID();
+    final String scriptBody = "return true;";
+    final TenantId tenantId = TenantId.fromUUID(UUID.fromString("2ed9a658-45a5-4812-b212-9931f5749f30"));
+
+    @BeforeEach
+    void setUp() {
+        service = mock(AbstractScriptInvokeService.class, Mockito.RETURNS_DEEP_STUBS);
+
+        // Make sure core checks always pass
+        doReturn(true).when(service).isExecEnabled(any());
+        doReturn(50000L).when(service).getMaxScriptBodySize();
+
+        // Use real implementations
+        doCallRealMethod().when(service).scriptBodySizeExceeded(anyString());
+        doCallRealMethod().when(service).eval(any(), any(), any(), any(String[].class));
+        doCallRealMethod().when(service).error(anyString());
+        doCallRealMethod().when(service).validate(any(), anyString());
+    }
+
+    @Test
+    void evalWithValidationCallTest() throws ExecutionException, InterruptedException, TimeoutException {
+        ReflectionTestUtils.setField(service, "requestsCounter", mock(StatsCounter.class));
+        ReflectionTestUtils.setField(service, "evalCallback", mock(FutureCallback.class));
+
+        doReturn(Futures.immediateFuture(id)).when(service).doEvalScript(any(), any(), anyString(), any(), any(String[].class));
+
+        var future = service.eval(tenantId, ScriptType.RULE_NODE_SCRIPT, scriptBody, "x", "y");
+
+        assertThat(future.get(30, TimeUnit.SECONDS)).isEqualTo(id);
+        verify(service).validate(any(), anyString());
+        verify(service).validate(tenantId, scriptBody);
+        verify(service, never()).error(anyString());
+    }
+
+    @Test
+    void evalWithValidationCallErrorTest() throws ExecutionException, InterruptedException, TimeoutException {
+        doReturn(false).when(service).isExecEnabled(any());
+        var future = service.eval(tenantId, ScriptType.RULE_NODE_SCRIPT, scriptBody, "x", "y");
+
+        ExecutionException ex = assertThrows(ExecutionException.class, future::get);
+        assertThat(ex.getCause().getMessage()).isEqualTo("Script Execution is disabled due to API limits!");
+        assertThat(ex.getCause()).isInstanceOf(RuntimeException.class);
+
+        verify(service).validate(any(), anyString());
+        verify(service).validate(tenantId, scriptBody);
+        verify(service).error(anyString());
+    }
+
+    @Test
+    void validateScriptBodyTestExecEnabledTest() {
+        assertNull(service.validate(tenantId, scriptBody));
+        verify(service).isExecEnabled(tenantId);
+    }
+
+    @Test
+    void validateScriptBodyTestExecDisabledTest() {
+        doReturn(false).when(service).isExecEnabled(tenantId);
+        assertThat(service.validate(tenantId, scriptBody)).isEqualTo("Script Execution is disabled due to API limits!");
+        verify(service).isExecEnabled(tenantId);
+    }
+
+    @Test
+    void validateScriptBodySizeOKTest() {
+        assertNull(service.validate(tenantId, scriptBody));
+        verify(service).isExecEnabled(tenantId);
+        verify(service).scriptBodySizeExceeded(scriptBody);
+    }
+
+    @Test
+    void validateScriptBodySizeExceededTest() {
+        doReturn(10L).when(service).getMaxScriptBodySize();
+        assertThat(service.validate(tenantId, scriptBody)).isEqualTo("Script body exceeds maximum allowed size of 10 symbols");
+        verify(service).isExecEnabled(tenantId);
+        verify(service).scriptBodySizeExceeded(scriptBody);
+    }
+
+}

common/script/script-api/src/test/java/org/thingsboard/script/api/js/AbstractJsInvokeServiceTest.java

@@ -60,9 +60,10 @@ class AbstractJsInvokeServiceTest {
         doReturn(false).when(service).scriptBodySizeExceeded(anyString());
         doReturn(Futures.immediateFuture(id)).when(service).doEvalScript(any(), any(), anyString(), any(), any(String[].class));
 
-        // Use real implementation of eval()
+        // Use real implementations
         doCallRealMethod().when(service).eval(any(), any(), any(), any(String[].class));
         doCallRealMethod().when(service).error(anyString());
+        doCallRealMethod().when(service).validate(any(), anyString());
     }
 
     @Test
@@ -83,9 +84,8 @@ class AbstractJsInvokeServiceTest {
         var result = service.eval(TenantId.SYS_TENANT_ID, ScriptType.RULE_NODE_SCRIPT, validScript, "x", "y");
 
         assertThat(result.get(30, TimeUnit.SECONDS)).isEqualTo(id);
-        // two times, non-optimal
-        verify(service, times(2)).isExecEnabled(any());
-        verify(service, times(2)).scriptBodySizeExceeded(any());
+        verify(service, times(1)).isExecEnabled(any());
+        verify(service, times(1)).scriptBodySizeExceeded(any());
     }
 
 }