diff --git a/module/testcase/test/lib/testcasezen.unittest.class.php b/module/testcase/test/lib/testcasezen.unittest.class.php
index bf4f246ccb..06672b6d4a 100755
--- a/module/testcase/test/lib/testcasezen.unittest.class.php
+++ b/module/testcase/test/lib/testcasezen.unittest.class.php
@@ -110,4 +110,40 @@ class testcaseZenTest
 
         return $result;
     }
+
+    /**
+     * Test assignForImportFromLib method.
+     *
+     * @param  int    $productID
+     * @param  string $branch
+     * @param  int    $libID
+     * @param  string $orderBy
+     * @param  int    $queryID
+     * @param  array  $libraries
+     * @param  int    $projectID
+     * @param  array  $cases
+     * @access public
+     * @return int
+     */
+    public function assignForImportFromLibTest(int $productID, string $branch, int $libID, string $orderBy, int $queryID, array $libraries, int $projectID, array $cases): int
+    {
+        global $tester;
+
+        // 初始化必要的对象
+        if(!isset($tester->view)) $tester->view = new stdClass();
+        if(!isset($tester->config)) $tester->config = new stdClass();
+        if(!isset($tester->config->testcase)) $tester->config->testcase = new stdClass();
+        if(!isset($tester->config->testcase->search)) $tester->config->testcase->search = array();
+
+        try {
+            // 调用assignForImportFromLib方法
+            callZenMethod('testcase', 'assignForImportFromLib', [$productID, $branch, $libID, $orderBy, $queryID, $libraries, $projectID, $cases]);
+
+            // 返回0表示成功执行
+            return 0;
+        } catch (Exception $e) {
+            // 返回1表示执行失败
+            return 1;
+        }
+    }
 }
diff --git a/module/testcase/test/zen/assignforimportfromlib.php b/module/testcase/test/zen/assignforimportfromlib.php
new file mode 100755
index 0000000000..9ddf205b4d
--- /dev/null
+++ b/module/testcase/test/zen/assignforimportfromlib.php
@@ -0,0 +1,48 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 testcaseZen::assignForImportFromLib();
+timeout=0
+cid=0
+
+- 步骤1：检查方法是否执行成功 @0
+- 步骤2：不同参数执行 @0
+- 步骤3：更多参数变化 @0
+- 步骤4：带项目ID @0
+- 步骤5：带用例数据 @0
+
+*/
+
+// 1. 导入依赖（路径固定，不可修改）
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/testcasezen.unittest.class.php';
+
+// 2. zendata数据准备（根据需要配置）
+$productTable = zenData('product');
+$productTable->id->range('1-10');
+$productTable->name->range('产品1,产品2,产品3,产品4,产品5');
+$productTable->type->range('normal{3},branch{2}');
+$productTable->status->range('normal');
+$productTable->gen(5);
+
+$testsuiteTable = zenData('testsuite');
+$testsuiteTable->id->range('1-5');
+$testsuiteTable->product->range('1-3');
+$testsuiteTable->name->range('用例库1,用例库2,用例库3,用例库4,用例库5');
+$testsuiteTable->type->range('library');
+$testsuiteTable->gen(5);
+
+// 3. 用户登录（选择合适角色）
+su('admin');
+
+// 4. 创建测试实例（变量名与模块名一致）
+$testcaseZenTest = new testcaseZenTest();
+
+// 5. 🔴 强制要求：必须包含至少5个测试步骤
+r($testcaseZenTest->assignForImportFromLibTest(1, '', 1, 'id_desc', 0, array(1 => '用例库1'), 0, array())) && p() && e('0'); // 步骤1：检查方法是否执行成功
+r($testcaseZenTest->assignForImportFromLibTest(2, '', 2, 'id_asc', 1, array(2 => '用例库2'), 0, array())) && p() && e('0'); // 步骤2：不同参数执行
+r($testcaseZenTest->assignForImportFromLibTest(3, '', 3, 'title_desc', 2, array(3 => '用例库3'), 0, array())) && p() && e('0'); // 步骤3：更多参数变化
+r($testcaseZenTest->assignForImportFromLibTest(1, '0', 1, 'name_asc', 0, array(1 => '用例库1'), 1, array())) && p() && e('0'); // 步骤4：带项目ID
+r($testcaseZenTest->assignForImportFromLibTest(1, 'all', 1, 'id_desc', 3, array(1 => '用例库1'), 0, array('case1'))) && p() && e('0'); // 步骤5：带用例数据
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