Robotframework Robot FW：内置库：设置套件变量：如何将当前测试范围内的变量传递到新的测试范围？

根据：

1如果当前范围内已存在变量，则该值可以保留为空，并且新范围内的变量将获取当前范围内的值

目标是实现语句1的一个示例

以下是一个尝试：

(Test 1/2) Use "Set Suite Variable" : Set Locally Scoped Variable As Suite Scoped
       [Documentation]     If a variable already exists within the current scope 
       ...                 (i.e. Test 1/2), the value can be left empty and
       ...                 the variable within the new scope (i.e. Test 2/2) gets 
       ...                 the value within the current scope (i.e Test 1/2)

       ${local_to_suite_scoped} =     Set Test Variable   ${3}
       # intentionally not setting any value to comply with the statement (1)
       Set Suite Variable      ${local_to_suite_scoped} 

(Test 2/2) Use "Set Suite Variable" : Use local_to_suite_scoped in this test
       Variable Should Exist   ${local_to_suite_scoped}
       Should Be Equal         ${local_to_suite_scoped}     ${3}  # fails with None != 3, expected 3 == 3

测试2/2失败，但原因是什么？语句1是否不正确，或者测试用例的实现是否不正确？如果测试用例的实现不正确，您能提供正确的实现吗？

像Set Suite Variable一样设置测试变量-关键字要求第一个参数是变量的名称。第二个变量将是该变量的值。所以不是

${local_to_suite_scoped} =     Set Test Variable   ${3}

做

更多信息请访问

Set Test Variable    ${local_to_suite_scoped}    ${3}