Add speed option for actions

[AlexanderMoskovkin]

Proposal

This affects to delay between action parts (for example between mousedown and mouseup in click, or between each symbol typing in typeText), to the cursor speed. This option you can use if you need to emulate human-behavior (it can be useful for cases when your scripts work properly only if you do actions no too fast).

Now we have the following options: Mouse Action Options, Click Action Options, Typing Action Options.
I suppose it should be a new type of options:

Action Options: { speed: <number> }

Mouse, Click and Typing options extend it.
So, we add options argument to Select Text, Type Text and Press Key actions.

Multiply

If the test run speed options is set to some value1 and action option is set to the value2 - it will be multiplied and the action will be executing with speed value1 * value2

[inikulin]

Note that factors should multiply, so if we have 0.5 set in test controller and 0.5 for action the resulting speed should be 0.25

[inikulin]

Also I guess it should be between 0.1 and 1

[AlexanderMoskovkin]

I've updated the first post with the feature proposal. What do you think about it?

\cc @inikulin @VasilyStrelyaev @DevExpress/testcafe

[inikulin]

@AlexanderMoskovkin I don't think we need test controller option. There should be CLI and programmatical API option. Also, min value should be 0.01

[georgiy-abbasov]

Multiply

Imho, there should be action speed option priority upon testController speed option and they should be independent.
Is possible a scenario where all actions are slow and one should be executed quickly ? :

test `my test` (async t => {
    t.speed = 0.5;
    // ... bunch of slow actions
    await t.click({ speed: 1 });
    // ... bunch of slow actions
});

[helen-dikareva]

I don't really like idea to multiply factors. May be just use speed factor specified for action, if we don't have it - use factor specified for test controller.

[helen-dikareva]

By default it will be slow mode? speed === 1?

[AlexanderMoskovkin]

By default it will be slow mode? speed === 1

1 - fast, 0.01 - slow

[helen-dikareva]

Sure, sorry

[AlexanderMoskovkin]

I don't think we need test controller option. There should be CLI and programmatical API option.

Yes, I'm agree

[kirovboris]

I think the speed option for one action is almost useless, because it's hard to support and requires to much attention for separate actions. It's almost the same as random placed t.wait actions. In my opinion, the speed option is usefull, when i want to make slower test if it's requires more time between actions or to see what's going on at during test time.

[miherlosev]

I don't like idea to multiply factors too.

[AlexanderMoskovkin]

I think the speed option for one action is almost useless

For example some ASPx controls doesn't work properly when you type (or click, dblclick, drag) too fast like a robot (some script expect human-behavior with some delays between actions) . With this option you can run only several actions in slow mode but run the others fast (it will decrease tests duration)

[AlexanderMoskovkin]

Is possible a scenario where all actions are slow and one should be executed quickly ?

Can you give a real case when this may be useful. I can't

[AlexanderMoskovkin]

Ok, it was discussed in private, I'll update the top post a little later

[VasilyStrelyaev]

I'll update the top post a little later

@AlexanderMoskovkin Taking into account the discussion, the top post doesn't seem to be up-to-date yet. Have you already decided on all the things? Can you pls update it?

[AlexanderMoskovkin]

Have you already decided on all the things?

Not yet. I'll notify you

[AlexanderMoskovkin]

I've updated the top post. Here describes api changes. /cc @inikulin @VasilyStrelyaev

[sirgallifrey]

+1 to having ability to delay or speed up certain actions.

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