IF ELSE在机器人框架中,变量赋值为

时间:2017-01-04 12:44:50

标签: python if-statement automated-tests robotframework

我需要在机器人框架中有条件地执行一些关键字,但我不知道该怎么做,它不起作用。我尝试了很多选项,但我想我有#34; IF-ELSE"声明完全错误..

Choose Particular Filter ${FILTER} And Uncheck All Values
    ${bool}=   is filter opened   ${AVAILABLE FILTERS}   ${FILTER}
    ${uncheck_all_button}=    run keyword  if    "${bool}" == "True"   uncheck all in filter  ${AVAILABLE FILTERS}   ${FILTER}
    ...                       click element   ${uncheck_all_button}
    ...                       ELSE
    ...                       Set variable    ${particular_filter}:    find particular filter   ${AVAILABLE FILTERS}  ${FILTER}
    ...                       click element   ${particular_filter}
    ...                       Set variable    ${uncheck_all_button}:   uncheck all in filter  ${AVAILABLE FILTERS}   ${FILTER}
    ...                       click element   ${uncheck_all_button}

失败了:Variable '${particular_filter}' not found. 但是如果我运行它,它甚至不应该去ELSE分支,因为$ {bool}是真的... 我的自定义函数is filter opened只检查过滤器是否已经打开 - 如果是,则返回True。 我的自定义函数uncheck all in filter只返回&#34的XPATH;取消选中所有"按钮。 我的自定义函数find particular filter返回XPATH"过滤器下拉列表"按钮。 在整个关键字中,我需要检查过滤器下拉列表是否已经打开 - 如果是,那么我必须直接点击${uncheck_all_button},否则如果过滤器下拉列表尚未打开,我需要先点击过滤器本身${particular_filter}然后我可以点击${uncheck_all_button}

我还尝试了"运行关键字"行有这样的:

${uncheck_all_button}=    run keyword  if    "${bool}" == "True"    Set Variable    uncheck all in filter    ${AVAILABLE FILTERS}    ${FILTER}

或者这个:

run keyword  if    "${bool}" == "True"   ${uncheck_all_button}=    uncheck all in filter    ${AVAILABLE FILTERS}    ${FILTER}

我还尝试使用${bool} == "True"${bool} == True

但是没有什么真的有用,仍然是同样的错误:(

非常感谢您的帮助!

5 个答案:

答案 0 :(得分:10)

在每个块中使用多个语句的IF / THEN / ELSE在Robot中不起作用(或者你必须使用“运行关键字”,但这将变得不可读)。所以我会以这种方式重构你的代码:

Choose Particular Filter ${FILTER} And Uncheck All Values
    ${is_filter_opened}=   is filter opened   ${AVAILABLE FILTERS}   ${FILTER}
    run keyword  if    ${is_filter_opened}    actions_when_unchecked
    ...                ELSE  actions_when_checked

actions_when_unchecked
    uncheck all in filter  ${AVAILABLE FILTERS}   ${FILTER}
    click element   ${uncheck_all_button}

actions_when_checked    
    ${particular_filter}:    find particular filter   ${AVAILABLE FILTERS}  ${FILTER}
    click element   ${particular_filter}
    ${uncheck_all_button}:   uncheck all in filter  ${AVAILABLE FILTERS}   ${FILTER}
    click element   ${uncheck_all_button}   

希望这有帮助。

答案 1 :(得分:9)

根据以下语法,更新您的代码并检查它。

IF-ELSE的语法:

   Run Keyword If    '${Condition}'== 'True'    Run Keywords    <Keyword 1>     <Keyword 2>
   ...    ELSE    <Keyword 1>

&#34;语法设置变量&#34;根据条件:

 ${Status}=    Run Keyword If    '${Condition}'== 'True'    Set Variable    <Yes>    <No>

根据您在IF部分的代码,

如果&#34; bool = true&#34;,它将只执行自定义关键字&#34;取消选中过滤器&#34;但不是&#34; Click元素&#34;关键词。如果您希望根据条件执行这两个关键字,请使用&#34;运行关键字&#34; IF-ELSE语法中提到的关键字。

答案 2 :(得分:1)

非常感谢Laurent,你的解决方案是对的! 我只需做一些小改动就可以了:

Choose Particular Filter ${FILTER} And Uncheck All Values
${is_filter_opened}=   is filter opened   ${AVAILABLE FILTERS}   ${FILTER}
run keyword if      ${is_filter_opened}    actions_when_unchecked ${FILTER}
...                ELSE  actions_when_checked ${FILTER}

actions_when_unchecked ${FILTER}
${uncheck_all_button}=  uncheck all in filter  ${AVAILABLE FILTERS}   ${FILTER}
click element   ${uncheck_all_button}

actions_when_checked ${FILTER}
${particular_filter}=    find particular filter   ${AVAILABLE FILTERS}  ${FILTER}
click element   ${particular_filter}
${uncheck_all_button}=   uncheck all in filter  ${AVAILABLE FILTERS}   ${FILTER}
click element   ${uncheck_all_button}

答案 3 :(得分:0)

${error_status} Set Variable    False       
log ${error_status}         
Run Keyword If  ${error_status} calltrue    ELSE    login_sucessful

calltrue and login_sucessful are keywords it can be any keyword of your choice. so in this case login_sucessful  keyword is executed. if error_status is set to true then calltrue function will get executed.

请注意一个空格会弄乱执行流程的缩进

答案 4 :(得分:0)

从4以上版本开始,机器人框架支持IF-Else内部赋值 参考:https://robocorp.com/docs/languages-and-frameworks/robot-framework/conditional-execution

IF    ${random} == ${NUMBER_TO_PASS_ON}
${var} = set variable 10
ELSE IF    ${random} > ${NUMBER_TO_PASS_ON}
${var} = set variable ${random}
ELSE
${var} = set variable ${NUMBER_TO_PASS_ON}
END