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In this lecture, we are going to talk about sitars in our intent to start a the course selectors sardars

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is the heart and soul of an AI automation testing tool.

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The easier it is to identify a control, the better it will be for test automation, engineers or the

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softwares to work with.

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I'm saying software here is nothing but the tools which are extending these automation testing tools.

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So playwrite, if it is extended by any other third party testing tool, then it will be very easy for

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that particular tool to use playwright's identification mechanism for identifying a control and work

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with it.

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So that is very, very important.

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And these are some of the most important thing right now with the ever changing technology landscape.

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And because everything is changing at the moment in the automation testing world, the way the structures

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needs to be identified is also needs to be more, more easier and effective while identifying a controller

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itself.

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And there are various ladders exist in the market.

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Some of the most common structures that we always use while automating an application is the see as

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a selector.

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So I'm saying default here because playwrite uses the SEALs as little engine as the default engine to

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select and control.

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And then we have XPath selectors and then text Slatyer ID and name.

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So these are the most important control that is available on the market and this is how we try to select

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the control from the UI and then we work with it.

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So this is something very, very important.

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And if we know how to work with this Lakhtar, if we know how to identify a control using the parte

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or text or ID, then it is going to be very, very easier.

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And there are many different tools available on the market which are very, very useful to work with

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radars and identifier controls.

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You can use the chromed tool itself to identify the controls.

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Nowadays they are getting very, very easy and highly sophisticated to identify a control.

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I would probably walk through a few of them and we'll talk about them in this particular course as well.

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And the playwright's engine by default user a engine, as I told you.

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But if any selector starts with a double slash or a double dot, then the engine consider them as an

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expat.

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So that is very, very important.

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If you if you have ever worked with a puppeteer.

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And that is a different course.

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When I talked about puppeteer, where I need to write some sort of customization to identify and work

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with the next part, but here in playwrite, the next part is something in and it is available for you

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directly and then you can start working with it.

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That's a very, very straightforward way with playwrite.

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So it automatically identifies if it is double's or double dot, then it knows that it is basically

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an XPath.

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Similarly, shallow arms are also supported by default and playwrite using the CCCC light engine.

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So this is also one of the most coolest thing because most of the time few tools don't even support

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the shattered arms.

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I mean, nowadays most of the tool does support shattered arms, so it's not a big deal at all.

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Playwrite also supports shattered arms, which is pretty cool.

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And the Sears's engines with extensions is another new thing which is available with the playwright

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where the engine and the fire control, apart from the normal way of identifying certain elements.

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But it also put a suffix like visible text or light, something like that, to identify a controller.

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So, for example, if there is a full operation, as you can see over here, but I'm trying to do username

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Callon visible and then admin.

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What I'm trying to say here is if I need to fill a value like admin for a text box username, then make

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sure that it's also visible.

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I mean, those things are going to be taken care by you automatically or automatically by playwrite

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using actionability ability.

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I mean, I talk about the actionability ability later in this section.

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But yes, that is something like an auto with our auto action mechanism, which is available in the

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playwright the engine automatically to identify a control if it is visible or not.

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But you can explicitly specify in some circumstances where the control is super dynamic and you wonder

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that dynamic element to be always visible before you perform an operation, something like that.

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You can use this call and visible option as well.

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You can specify Callon text on any of the control, let's say, if there is a log in text.

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But if there is a space or something like that, like I have just given it big space over here, this

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will also work similar to this particular click, as you can see over here.

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So because the text, as you can see here, it'll automatically removes all the spaces from from the

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text that you are trying to identify.

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And then it works automatically, but is also on the colting.

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Suddenly the light is something which is used for identifying a shadow dom.

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And stuff.

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So these are some of the cool things is available within the CSA tower engine, within playwrite and

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then XPath engine.

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I already talked about it.

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If Assadullah starts to double slash our double dot, then it is going to identify a control using the

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XPath.

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And you can see the below example is one of the example of the expired threat.

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One point ninety five controllers in the non-aligned space and performing direct operation assembly

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text engine is another good thing, which is older than playwrite, where you can specify a visible

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text wherever it is, and then you can perform a click operation or enter operation, something like

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that, or type operation using the test engine.

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So the text engine is like you're going to specify text is equal to create new, then it's going to

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click that particular create new text.

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Similarly for the login text and for the employee employer list text, you can perform an operation

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using text itself, which is also another thing that you can do with the text engine.

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So let's quickly see all these ID operation in much, much detail as a demo in our next video.