diff --git a/module/bug/test/lib/zen.class.php b/module/bug/test/lib/zen.class.php
index ea05ecb851..3a311a0131 100644
--- a/module/bug/test/lib/zen.class.php
+++ b/module/bug/test/lib/zen.class.php
@@ -111,4 +111,51 @@ class bugZenTest extends baseTest
             'lanePairs'     => !empty($instance->view->lanePairs) ? count($instance->view->lanePairs) : 0,
         );
     }
+
+    /**
+     * Test assignProductRelatedVars method.
+     *
+     * @param  array $bugs
+     * @param  array $products
+     * @access public
+     * @return array
+     */
+    public function assignProductRelatedVarsTest(array $bugs, array $products): array
+    {
+        $instance = $this->getInstance($this->moduleName, $this->className);
+
+        try
+        {
+            $branchTagOption = $this->invokeArgs('assignProductRelatedVars', [$bugs, $products]);
+        }
+        catch(Throwable $e)
+        {
+            return array(
+                'error'             => $e->getMessage(),
+                'branchProduct'     => false,
+                'modulesCount'      => 0,
+                'productBugOptions' => 0,
+                'branchTagOption'   => 0,
+            );
+        }
+
+        if(dao::isError()) return array('error' => dao::getError());
+
+        $branchCount = 0;
+        if(!empty($branchTagOption))
+        {
+            foreach($branchTagOption as $productID => $branches)
+            {
+                $branchCount += count($branches);
+            }
+        }
+
+        return array(
+            'branchProduct'       => !empty($instance->view->branchProduct) ? 1 : 0,
+            'modulesCount'        => !empty($instance->view->modules) ? count($instance->view->modules) : 0,
+            'productBugOptions'   => !empty($instance->view->productBugOptions) ? count($instance->view->productBugOptions) : 0,
+            'branchTagOptionView' => !empty($instance->view->branchTagOption) ? count($instance->view->branchTagOption) : 0,
+            'returnValue'         => $branchCount,
+        );
+    }
 }
diff --git a/module/bug/test/zen/assignproductrelatedvars.php b/module/bug/test/zen/assignproductrelatedvars.php
new file mode 100755
index 0000000000..5d008c8b96
--- /dev/null
+++ b/module/bug/test/zen/assignproductrelatedvars.php
@@ -0,0 +1,74 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 bugZen::assignProductRelatedVars();
+timeout=0
+cid=0
+
+- 步骤1:空数据
+ - 属性branchProduct @0
+ - 属性modulesCount @0
+- 步骤2:正常产品类型无bugs
+ - 属性branchProduct @0
+ - 属性modulesCount @3
+- 步骤3:分支产品类型
+ - 属性branchProduct @1
+ - 属性modulesCount @2
+- 步骤4:混合产品类型
+ - 属性branchProduct @1
+ - 属性modulesCount @2
+- 步骤5:多个分支产品
+ - 属性branchProduct @1
+ - 属性modulesCount @3
+
+*/
+
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/zen.class.php';
+
+zenData('product')->loadYaml('product_assignproductrelatedvars', false, 2)->gen(10);
+zenData('bug')->loadYaml('bug_assignproductrelatedvars', false, 2)->gen(20);
+zenData('branch')->loadYaml('branch_assignproductrelatedvars', false, 2)->gen(10);
+zenData('module')->gen(20);
+zenData('productplan')->gen(10);
+
+su('admin');
+
+$bugTest = new bugZenTest();
+
+$emptyBugs = array();
+$emptyProducts = array();
+
+$normalProducts = array(
+    (object)array('id' => 1, 'name' => '产品1', 'type' => 'normal'),
+    (object)array('id' => 2, 'name' => '产品2', 'type' => 'normal'),
+    (object)array('id' => 3, 'name' => '产品3', 'type' => 'normal')
+);
+
+$branchProducts = array(
+    (object)array('id' => 6, 'name' => 'Product6', 'type' => 'branch'),
+    (object)array('id' => 7, 'name' => 'Product7', 'type' => 'branch')
+);
+
+$mixedProducts = array(
+    (object)array('id' => 1, 'name' => '产品1', 'type' => 'normal'),
+    (object)array('id' => 6, 'name' => 'Product6', 'type' => 'branch')
+);
+
+$singleNormalProduct = array(
+    (object)array('id' => 1, 'name' => '产品1', 'type' => 'normal')
+);
+
+$multipleBranchProducts = array(
+    (object)array('id' => 6, 'name' => 'Product6', 'type' => 'branch'),
+    (object)array('id' => 7, 'name' => 'Product7', 'type' => 'branch'),
+    (object)array('id' => 8, 'name' => 'Product8', 'type' => 'platform')
+);
+
+r($bugTest->assignProductRelatedVarsTest($emptyBugs, $emptyProducts)) && p('branchProduct,modulesCount') && e('0,0'); // 步骤1:空数据
+r($bugTest->assignProductRelatedVarsTest($emptyBugs, $normalProducts)) && p('branchProduct,modulesCount') && e('0,3'); // 步骤2:正常产品类型无bugs
+r($bugTest->assignProductRelatedVarsTest($emptyBugs, $branchProducts)) && p('branchProduct,modulesCount') && e('1,2'); // 步骤3:分支产品类型
+r($bugTest->assignProductRelatedVarsTest($emptyBugs, $mixedProducts)) && p('branchProduct,modulesCount') && e('1,2'); // 步骤4:混合产品类型
+r($bugTest->assignProductRelatedVarsTest($emptyBugs, $multipleBranchProducts)) && p('branchProduct,modulesCount') && e('1,3'); // 步骤5:多个分支产品
\ No newline at end of file