MVEL executor tests

application/src/test/java/org/thingsboard/server/service/script/MvelInvokeServiceTest.java

@@ -0,0 +1,128 @@
+/**
+ * Copyright © 2016-2022 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.server.service.script;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.junit.Assert;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.test.context.TestPropertySource;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.script.api.ScriptType;
+import org.thingsboard.script.api.mvel.MvelInvokeService;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.controller.AbstractControllerTest;
+import org.thingsboard.server.dao.service.DaoSqlTest;
+
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+@DaoSqlTest
+@TestPropertySource(properties = {
+        "mvel.max_script_body_size=100",
+        "mvel.max_total_args_size=50",
+        "mvel.max_result_size=50",
+        "mvel.max_errors=2",
+})
+class MvelInvokeServiceTest extends AbstractControllerTest {
+
+    @Autowired
+    private MvelInvokeService invokeService;
+
+    @Value("${mvel.max_errors}")
+    private int maxJsErrors;
+
+    @Test
+    void givenSimpleScriptTestPerformance() throws ExecutionException, InterruptedException {
+        int iterations = 100000;
+        UUID scriptId = evalScript("return msg.temperature > 20");
+        // warmup
+        ObjectNode msg = JacksonUtil.newObjectNode();
+        for (int i = 0; i < 100; i++) {
+            msg.put("temperature", i);
+            boolean expected = i > 20;
+            boolean result = Boolean.valueOf(invokeScript(scriptId, JacksonUtil.toString(msg)));
+            Assert.assertEquals(expected, result);
+        }
+        long startTs = System.currentTimeMillis();
+        for (int i = 0; i < iterations; i++) {
+            msg.put("temperature", i);
+            boolean expected = i > 20;
+            boolean result = Boolean.valueOf(invokeScript(scriptId, JacksonUtil.toString(msg)));
+            Assert.assertEquals(expected, result);
+        }
+        long duration = System.currentTimeMillis() - startTs;
+        System.out.println(iterations + " invocations took: " + duration + "ms");
+        Assert.assertTrue(duration < TimeUnit.MINUTES.toMillis(1));
+    }
+
+    @Test
+    void givenTooBigScriptForEval_thenReturnError() {
+        String hugeScript = "var a = 'qwertyqwertywertyqwabababerqwertyqwertywertyqwabababerqwertyqwertywertyqwabababerqwertyqwertywertyqwabababerqwertyqwertywertyqwabababer'; return {a: a};";
+
+        assertThatThrownBy(() -> {
+            evalScript(hugeScript);
+        }).hasMessageContaining("body exceeds maximum allowed size");
+    }
+
+    @Test
+    void givenTooBigScriptInputArgs_thenReturnErrorAndReportScriptExecutionError() throws Exception {
+        String script = "return { msg: msg };";
+        String hugeMsg = "{\"input\":\"123456781234349\"}";
+        UUID scriptId = evalScript(script);
+
+        for (int i = 0; i < maxJsErrors; i++) {
+            assertThatThrownBy(() -> {
+                invokeScript(scriptId, hugeMsg);
+            }).hasMessageContaining("input arguments exceed maximum");
+        }
+        assertThatScriptIsBlocked(scriptId);
+    }
+
+    @Test
+    void whenScriptInvocationResultIsTooBig_thenReturnErrorAndReportScriptExecutionError() throws Exception {
+        String script = "s = 'a'; for(int i=0; i<50; i++){ s +='a';} return { s: s};";
+        UUID scriptId = evalScript(script);
+
+        for (int i = 0; i < maxJsErrors; i++) {
+            assertThatThrownBy(() -> {
+                invokeScript(scriptId, "{}");
+            }).hasMessageContaining("result exceeds maximum allowed size");
+        }
+        assertThatScriptIsBlocked(scriptId);
+    }
+
+    private void assertThatScriptIsBlocked(UUID scriptId) {
+        assertThatThrownBy(() -> {
+            invokeScript(scriptId, "{}");
+        }).hasMessageContaining("invocation is blocked due to maximum error");
+    }
+
+    private UUID evalScript(String script) throws ExecutionException, InterruptedException {
+        return invokeService.eval(TenantId.SYS_TENANT_ID, ScriptType.RULE_NODE_SCRIPT, script, "msg", "metadata", "msgType").get();
+    }
+
+    private String invokeScript(UUID scriptId, String str) throws ExecutionException, InterruptedException {
+        var msg = JacksonUtil.fromString(str, Map.class);
+        return invokeService.invokeScript(TenantId.SYS_TENANT_ID, null, scriptId, msg, "{}", "POST_TELEMETRY_REQUEST").get().toString();
+    }
+
+}

application/src/test/java/org/thingsboard/server/service/script/NashornJsInvokeServiceTest.java

@@ -15,10 +15,13 @@
  */
 package org.thingsboard.server.service.script;
 
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.junit.Assert;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.test.context.TestPropertySource;
+import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.script.api.ScriptType;
 import org.thingsboard.script.api.js.NashornJsInvokeService;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -27,6 +30,7 @@ import org.thingsboard.server.dao.service.DaoSqlTest;
 
 import java.util.UUID;
 import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
 
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
@@ -37,14 +41,38 @@ import static org.assertj.core.api.Assertions.assertThatThrownBy;
         "js.max_result_size=50",
         "js.local.max_errors=2"
 })
-class LocalJsInvokeServiceTest extends AbstractControllerTest {
+class NashornJsInvokeServiceTest extends AbstractControllerTest {
 
     @Autowired
-    private NashornJsInvokeService jsInvokeService;
+    private NashornJsInvokeService invokeService;
 
     @Value("${js.local.max_errors}")
     private int maxJsErrors;
 
+    @Test
+    void givenSimpleScriptTestPerformance() throws ExecutionException, InterruptedException {
+        int iterations = 1000;
+        UUID scriptId = evalScript("return msg.temperature > 20");
+        // warmup
+        ObjectNode msg = JacksonUtil.newObjectNode();
+        for (int i = 0; i < 100; i++) {
+            msg.put("temperature", i);
+            boolean expected = i > 20;
+            boolean result = Boolean.valueOf(invokeScript(scriptId, JacksonUtil.toString(msg)));
+            Assert.assertEquals(expected, result);
+        }
+        long startTs = System.currentTimeMillis();
+        for (int i = 0; i < iterations; i++) {
+            msg.put("temperature", i);
+            boolean expected = i > 20;
+            boolean result = Boolean.valueOf(invokeScript(scriptId, JacksonUtil.toString(msg)));
+            Assert.assertEquals(expected, result);
+        }
+        long duration = System.currentTimeMillis() - startTs;
+        System.out.println(iterations + " invocations took: " + duration + "ms");
+        Assert.assertTrue(duration < TimeUnit.MINUTES.toMillis(1));
+    }
+
     @Test
     void givenTooBigScriptForEval_thenReturnError() {
         String hugeScript = "var a = 'qwertyqwertywertyqwabababer'; return {a: a};";
@@ -88,11 +116,11 @@ class LocalJsInvokeServiceTest extends AbstractControllerTest {
     }
 
     private UUID evalScript(String script) throws ExecutionException, InterruptedException {
-        return jsInvokeService.eval(TenantId.SYS_TENANT_ID, ScriptType.RULE_NODE_SCRIPT, script).get();
+        return invokeService.eval(TenantId.SYS_TENANT_ID, ScriptType.RULE_NODE_SCRIPT, script).get();
     }
 
     private String invokeScript(UUID scriptId, String msg) throws ExecutionException, InterruptedException {
-        return jsInvokeService.invokeScript(TenantId.SYS_TENANT_ID, null, scriptId, msg, "{}", "POST_TELEMETRY_REQUEST").get().toString();
+        return invokeService.invokeScript(TenantId.SYS_TENANT_ID, null, scriptId, msg, "{}", "POST_TELEMETRY_REQUEST").get().toString();
     }
 
 }

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

@@ -267,6 +267,11 @@ public abstract class AbstractScriptInvokeService implements ScriptInvokeService
         for (Object arg : args) {
             if (arg instanceof CharSequence) {
                 totalArgsSize += ((CharSequence) arg).length();
+            } else {
+                var str = JacksonUtil.toString(arg);
+                if (str != null) {
+                    totalArgsSize += str.length();
+                }
             }
         }
         return totalArgsSize > getMaxTotalArgsSize();