From 796edd206b0781545376bbf4741efa71962c596a Mon Sep 17 00:00:00 2001
From: Alexey Vinogradov <vinogradov.a.i.93@gmail.com>
Date: Mon, 16 May 2022 18:20:28 +0700
Subject: [PATCH] test(protocol-jackson): create test cases for nullable
 variable value

---
 .../protocol/impl/JsonSerializableToJsonTest.java    | 12 ++++++++++++
 .../camunda/zeebe/test/util/WorkloadGenerator.java   |  1 +
 2 files changed, 13 insertions(+)

diff --git a/protocol-impl/src/test/java/io/camunda/zeebe/protocol/impl/JsonSerializableToJsonTest.java b/protocol-impl/src/test/java/io/camunda/zeebe/protocol/impl/JsonSerializableToJsonTest.java
index 9b632d32bb14..d0435ae9e797 100644
--- a/protocol-impl/src/test/java/io/camunda/zeebe/protocol/impl/JsonSerializableToJsonTest.java
+++ b/protocol-impl/src/test/java/io/camunda/zeebe/protocol/impl/JsonSerializableToJsonTest.java
@@ -441,6 +441,18 @@ final var record = new DeploymentDistributionRecord();
         "{'type':'','processDefinitionVersion':-1,'elementId':'','bpmnProcessId':'','processDefinitionKey':-1,'processInstanceKey':-1,'elementInstanceKey':-1,'variables':{},'worker':'','retries':-1,'retryBackoff':0,'recurringTime':-1,'errorMessage':'','errorCode':'','customHeaders':{},'deadline':-1}"
       },
       /////////////////////////////////////////////////////////////////////////////////////////////
+      ///////////////////////////////////// JobRecord with nullable variable //////////////////////
+      /////////////////////////////////////////////////////////////////////////////////////////////
+      {
+        "JobRecordWithNullableVariable",
+        (Supplier<UnifiedRecordValue>)
+            () ->
+                new JobRecord()
+                    .setVariables(
+                        new UnsafeBuffer(MsgPackConverter.convertToMsgPack("{'foo':null}"))),
+        "{'type':'','errorMessage':'','bpmnProcessId':'','processDefinitionKey':-1,'processInstanceKey':-1,'elementId':'','elementInstanceKey':-1,'variables':{'foo':null},'deadline':-1,'worker':'','retries':-1,'retryBackoff':0,'recurringTime':-1,'errorCode':'','processDefinitionVersion':-1,'customHeaders':{}}"
+      },
+      /////////////////////////////////////////////////////////////////////////////////////////////
       ///////////////////////////////// MessageRecord /////////////////////////////////////////////
       /////////////////////////////////////////////////////////////////////////////////////////////
       {
diff --git a/test-util/src/main/java/io/camunda/zeebe/test/util/WorkloadGenerator.java b/test-util/src/main/java/io/camunda/zeebe/test/util/WorkloadGenerator.java
index 67b9d0a89980..787b33dad103 100644
--- a/test-util/src/main/java/io/camunda/zeebe/test/util/WorkloadGenerator.java
+++ b/test-util/src/main/java/io/camunda/zeebe/test/util/WorkloadGenerator.java
@@ -59,6 +59,7 @@ public static void performSampleWorkload(final ZeebeClient client) {
     variables.put("orderId", "foo-bar-123");
     variables.put("largeValue", "x".repeat(8192));
     variables.put("unicode", "Á");
+    variables.put("nullable", null);
 
     final long processInstanceKey =
         client