blocks|key|2509041|text|我也有同样的问题。虽然这并不理想，但您可以这样做：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2509042|try+{
++++$I->see('message');
++++//+Continue+to+do+this+if+it's+present
++++//+...
}+catch+(Exception+$e)+{
++++//+Do+this+if+it's+not+present.
++++//+...
}|code-block|syntax|javascript|2509043|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I had this same issue. Although it's not ideal, you can do this:

<pre><code>try {
 $I-&gt;see('message');
 // Continue to do this if it's present
 // ...
} catch (Exception $e) {
 // Do this if it's not present.
 // ...
}
</code></pre>

blocks|key|2719424|text|在tests/_support/AcceptanceHelper.php中添加附加方法|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2719425|function+seePageHasElement($element)
{
++++try+{
++++++++$this->getModule('WebDriver')->_findElements($element);
++++}+catch+(\PHPUnit_Framework_AssertionFailedError+$f)+{
++++++++return+false;
++++}
++++return+true;
}|code-block|syntax|javascript|2719426|然后，要在验收测试中进行测试，请使用：|2719427|if+($I->seePageHasElement("input[name=address]"))+{
++++$I->fillField("input[name=address]",+"IM");
}|2719428|entityMap^0|1|Z|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|T|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|U|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|O|3|-4|5|6|7|W|8|@]|D|@]|E|$]]]|P|$]]

In <code>tests/_support/AcceptanceHelper.php</code> add additional method

<pre><code>function seePageHasElement($element)
{
 try {
 $this-&gt;getModule('WebDriver')-&gt;_findElements($element);
 } catch (\PHPUnit_Framework_AssertionFailedError $f) {
 return false;
 }
 return true;
}
</code></pre>

Then to test in your acceptance test use:

<pre><code>if ($I-&gt;seePageHasElement("input[name=address]")) {
 $I-&gt;fillField("input[name=address]", "IM");
}
</code></pre>

blocks|key|2508884|text|您可以使用类似这样的解决方法或类似的组合：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2508885|$tmp+=+$I->grabTextFrom('SELECTOR');
if+($tmp+==+'your+text')+{

$I->click('button_close');

}|code-block|syntax|javascript|2508886|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

You can use a workaround like this or similar combinations:

<pre><code>$tmp = $I-&gt;grabTextFrom('SELECTOR');
if ($tmp == 'your text') {

$I-&gt;click('button_close');

}
</code></pre>

blocks|key|38952|text|终极解决方案！|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|38953|最后，Codeception现在有了函数performOn，，它完全按照我的要求来做！！|CODE|38954|版本2.2.9|38955|http://codeception.com/docs/modules/WebDriver#performOn|38956|回答我的例子：|38957|$I->performOn('.message',+['click'+=>+'#button_close'],+30);|code-block|syntax|javascript|38958|等待30秒以查看class='message‘的元素，然后单击id='button_close’的元素。|38959|entityMap|0|LINK|mutability|MUTABLE|url^0|0|7|0|K|9|K|9|0|0|0|1J|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@$9|13|A|14|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|15|8|@$9|16|A|17|B|C]|$9|18|A|19|B|H]]|D|@]|E|$]]|$1|I|3|J|5|6|7|1A|8|@]|D|@]|E|$]]|$1|K|3|L|5|6|7|1B|8|@]|D|@$9|1C|A|1D|1|1E]]|E|$]]|$1|M|3|N|5|6|7|1F|8|@]|D|@]|E|$]]|$1|O|3|P|5|Q|7|1G|8|@]|D|@]|E|$R|S]]|$1|T|3|U|5|6|7|1H|8|@]|D|@]|E|$]]|$1|V|3|-4|5|6|7|1I|8|@]|D|@]|E|$]]]|W|$X|$5|Y|Z|10|E|$11|L]]]]

ULTIMATE SOLUTION!

Finally Codeception now has the function <code>performOn</code>, wich does exactly what I asked for!! 

[Version 2.2.9]

<a href="http://codeception.com/docs/modules/WebDriver#performOn" rel="nofollow noreferrer">http://codeception.com/docs/modules/WebDriver#performOn</a>

Answering my example:

<pre><code>$I-&gt;performOn('.message', ['click' =&gt; '#button_close'], 30);
</code></pre>

Waits up to 30 seconds to see the element with class='message', then click the element with id='button_close'.

blocks|key|2719445|text|断言不适用于条件语句的原因是Codeception首先执行IF括号中的断言，如果断言不是真的，它会立即测试失败。我克服这个问题的方法是使用软断言TryTo，如果失败，Codeception将忽略它：https://codeception.com/docs/08-Customization#Step-Decorators|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2719446|if+($I->tryToSee('message')){

++++$I->click('button_close');

}```|code-block|syntax|javascript|2719447|entityMap|0|LINK|mutability|MUTABLE|url|https://codeception.com/docs/08-Customization#Step-Decorators^0|20|5|2R|1P|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@$9|V|A|W|1|X]]|E|$]]|$1|F|3|G|5|H|7|Y|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R]]]]

The reason why the assertion doesn't work with conditional statements is that Codeception first executes the assertion inside the IF brackets, and in case it is not true - it fails the test right away. My way of overcoming this is using the SOFT assertions <code>TryTo</code> which will be ignored by Codeception if fails: <a href="https://codeception.com/docs/08-Customization#Step-Decorators" rel="nofollow noreferrer">https://codeception.com/docs/08-Customization#Step-Decorators</a>
<pre><code>if ($I-&gt;tryToSee('message')){

 $I-&gt;click('button_close');

}```
</code></pre>

blocks|key|38861|text|Codeception现在有了tryTo...，例如，tryToSee()+trytoClick()等，所以不需要Try/Catch块。我发现它比performOn()更具可读性。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|38862|您需要在acceptance.suite.yml或codeception.yml中启用它：|38863|#+enable+conditional+$I+actions+like+$I->tryToSee()
step_decorators:
++++-+\Codeception\Step\TryTo
++++-+\Codeception\Step\ConditionalAssertion`|code-block|syntax|javascript|38864|您可以使用以下命令单击可能存在也可能不存在的内容：|38865|$I->tryToClick('#save_button`);|38866|如果没有按钮，代码将继续运行，不会显示错误消息。这也可以用于在检查树之前单击节点以展开树的一部分，但前提是该部分是关闭的(应该总是有一个类只有在关闭时才在那里)。|38867|另一种方法是在if语句中。tryTo...方法在成功时都返回true，失败时都返回false，所以您可以这样做，有些人可能认为这比上面的更清楚(不会抛出错误)：|38868|if+($I->tryToSee('some_locator'))+{
++++$I->click('some_locator');
}|38869|如果要基于某个条件执行一系列操作，则此表单也很有用，else是可选的。|38870|if+($I->tryToSee('some_locator'))+{
++++$I->fillField('username',+'myname');
++++$I->fillfield('password',+'mypassword);
++++$I->click('Submit');
}+else+{
+++/*+Do+something+else+*/
}|38871|entityMap^0|F|8|R|A|12|C|21|B|0|0|0|0|0|0|7|2|D|8|0|0|Q|4|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@$9|13|A|14|B|C]|$9|15|A|16|B|C]|$9|17|A|18|B|C]|$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1B|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|1C|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|1D|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|1E|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|1F|8|@]|D|@]|E|$]]|$1|S|3|T|5|6|7|1G|8|@$9|1H|A|1I|B|C]|$9|1J|A|1K|B|C]]|D|@]|E|$]]|$1|U|3|V|5|J|7|1L|8|@]|D|@]|E|$K|L]]|$1|W|3|X|5|6|7|1M|8|@$9|1N|A|1O|B|C]]|D|@]|E|$]]|$1|Y|3|Z|5|J|7|1P|8|@]|D|@]|E|$K|L]]|$1|10|3|-4|5|6|7|1Q|8|@]|D|@]|E|$]]]|11|$]]

Codeception now has <code>tryTo...</code>, e.g, <code>tryToSee()</code> <code>trytoClick()</code>, etc., so there's no need for a Try/Catch block. I find it more readable than <code>performOn()</code>.
You need to enable it with this in acceptance.suite.yml or codeception.yml:
<pre><code># enable conditional $I actions like $I-&gt;tryToSee()
step_decorators:
 - \Codeception\Step\TryTo
 - \Codeception\Step\ConditionalAssertion`
</code></pre>
You can click on something that may or may not be there with:
<pre><code>$I-&gt;tryToClick('#save_button`);
</code></pre>
If there's no button, the code goes on with no error message. This could also be used to click on the node to expand a section of a tree before examining it, but only if that section is closed (there should always be a class that's only there when it's closed).
Another way to go is in an <code>if</code> statement. The <code>tryTo...</code> methods all return true on success and false on failure, so you can do this, which some might consider clearer than the above (no error will be thrown):
<pre><code>if ($I-&gt;tryToSee('some_locator')) {
 $I-&gt;click('some_locator');
}
</code></pre>
This form is also useful if there is a sequence of actions you want to perform based on a condition, the <code>else</code> is optional.
<pre><code>if ($I-&gt;tryToSee('some_locator')) {
 $I-&gt;fillField('username', 'myname');
 $I-&gt;fillfield('password', 'mypassword);
 $I-&gt;click('Submit');
} else {
 /* Do something else */
}
</code></pre>

blocks|key|38621|text|我的项目将在每周发布|type|unstyled|depth|inlineStyleRanges|entityRanges|data|38622|/**
+*+https://stackoverflow.com/questions/26183792/use-codeception-assertion-in-conditional-if-statement
+*+@param+$element
+*+@return+bool
+*+@throws+\Codeception\Exception\ModuleException
+*/
public+function+seePageHasElement($element)
{
++++$findElement+=+$this->getModule('WebDriver')->_findElements($element);
++++return+count($findElement)+>+0;
}|code-block|syntax|javascript|38623|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Release for my project comes on weeken

<pre><code>/**
 * https://stackoverflow.com/questions/26183792/use-codeception-assertion-in-conditional-if-statement
 * @param $element
 * @return bool
 * @throws \Codeception\Exception\ModuleException
 */
public function seePageHasElement($element)
{
 $findElement = $this-&gt;getModule('WebDriver')-&gt;_findElements($element);
 return count($findElement) &gt; 0;
}
</code></pre>

blocks|key|38613|text|100%25工作解决方案!！稍后再感谢我;)|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|38614|在test/_support/AcceptanceHelper.php中添加其他方法|38615|public+function+seePageHasElement($element)
{
++++try+{
++++++++$this->getModule('WebDriver')->_findElements($element);
++++}+catch+(\PHPUnit_Framework_AssertionFailedError+$f)+{
++++++++return+false;
++++}
++++return+true;
}|code-block|syntax|javascript|38616|然后，要在验收测试中进行测试，请使用：|38617|if+($I->seePageHasElement($element))+{
++++$I->fillField($element);
}|38618|在这种情况下WebDriver的'seeElement'函数不起作用，所以需要稍微修改一下函数，因为我已经使用了一个+.Please，在完成任何更改之后，不要忘记构建您的角色。|38619|entityMap^0|0|K|0|0|0|0|0|G|C|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|X|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|Y|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|Z|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|10|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|11|8|@$9|12|A|13|B|C]]|D|@]|E|$]]|$1|S|3|-4|5|6|7|14|8|@]|D|@]|E|$]]]|T|$]]

100% working solution !! Thanx me later ;)

In tests/_support/AcceptanceHelper.php add additional method

<pre><code>public function seePageHasElement($element)
{
 try {
 $this-&gt;getModule('WebDriver')-&gt;_findElements($element);
 } catch (\PHPUnit_Framework_AssertionFailedError $f) {
 return false;
 }
 return true;
}
</code></pre>

Then to test in your acceptance test use:

<pre><code>if ($I-&gt;seePageHasElement($element)) {
 $I-&gt;fillField($element);
}
</code></pre>

The 'seeElement' function of WebDriver doesnot work on this case so needs little modified function as i have used one '_findElements' .Please donot forget to build your actors after any changes done.

I'm totally new with CodeCeption.

I want to do an action/assertion depending on another assertion result, like this:

<pre><code>if ($I-&gt;see('message')){

 $I-&gt;click('button_close');

}
</code></pre>

Is something like that possible? I tried, but doesn't work.
Probably the assertion result doesn't apply to IF, but is there any alternative?

Thanks in advance!

<h2>IMPORTANT UPDATE:</h2>

Finally Codeception now has the function <code>performOn</code>!!
<a href="http://codeception.com/docs/modules/WebDriver#performOn" rel="noreferrer">http://codeception.com/docs/modules/WebDriver#performOn</a>

Use CodeCeption assertion in conditional (if) statement

验收测试

我对CodeCeption完全是新手。我想根据另一个断言结果执行操作/断言，如下所示：if ($I->see('message')){    $I->click('button_close');}这样的事情有可能发生吗？我试过了，但没用。可能断言结果不适用于IF，但是否有其他选择？提前感谢！重要更新：最后，Codeception现在有了函数performOn!！

问在条件(if)语句中使用CodeCeption断言
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