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Can’t you just screen scrape the views, given that they are supposed to drive the screen?

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From: testdrivendevelopment@... [mailto:testdrivendevelopment@...]
Sent: Friday, May 30, 2014 6:23 PM
To: testdrivendevelopment@...
Subject: [TDD] Testing Views - iOS

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I've essentially broken my GUI logic out into a rough MVP pattern and while I find testing the Models and Presenters straightforward, I haven't come up with a repeatable process to test drive the code in the Views.

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Granted, my views are dumb and have no real business logic - but for instance, if something is disabled, I could test that certain fields are set to 'readonly', or greyed out, etc.

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I generally use mocks and inject dependencies everywhere else in the app - but that isn't as feasible in the views. Buttons, toggles and segemented controls aren't something the parent view can just swap out, replace and layout correctly. Injection doesn't feel right and so, because Views are so 'self contained' - I find myself newing child components up inside of their parent views and as such, I'm not sure how to TDD them without exposing their internals somehow.

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Would great appreciate some suggestions.

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Thanks,

-Luther

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You do not need to know pixels. If you know the IDs you can access the widgets. This is still a unit test.

Sent from my Android phone using TouchDown ()

-----Original Message-----
From: Luther Baker lutherbaker@... [testdrivendevelopment] [testdrivendevelopment@...]
Received: Saturday, 31 May 2014, 7:51AM
To: testdrivendevelopment@... [testdrivendevelopment@...]
Subject: Re: [TDD] Testing Views - iOS

?

Screenscrape? In iOS?

I generally don't position things explicitly via pixels anymore - not with Autolayout so would be hard to tell exactly where something was to show up if I were writing the test first.

I can write a UAT test that basically gets to that screen and can expect certain behavior -- but was looking for help regarding unit tests.

Thanks,

-Luther

On Fri, May 30, 2014 at 10:11 AM, Amir Kolsky amir.kolsky@... [testdrivendevelopment] <testdrivendevelopment@...> wrote:

?

Can’t you just screen scrape the views, given that they are supposed to drive the screen?

?

From: testdrivendevelopment@... [mailto:testdrivendevelopment@...]
Sent: Friday, May 30, 2014 6:23 PM
To: testdrivendevelopment@...
Subject: [TDD] Testing Views - iOS

?

?

I've essentially broken my GUI logic out into a rough MVP pattern and while I find testing the Models and Presenters straightforward, I haven't come up with a repeatable process to test drive the code in the Views.

?

Granted, my views are dumb and have no real business logic - but for instance, if something is disabled, I could test that certain fields are set to 'readonly', or greyed out, etc.

?

I generally use mocks and inject dependencies everywhere else in the app - but that isn't as feasible in the views. Buttons, toggles and segemented controls aren't something the parent view can just swap out, replace and layout correctly. Injection doesn't feel right and so, because Views are so 'self contained' - I find myself newing child components up inside of their parent views and as such, I'm not sure how to TDD them without exposing their internals somehow.

?

Would great appreciate some suggestions.

?

Thanks,

-Luther

?

?

This sounds interesting. I didn't think a unit test (ala XCTest) for a specific view would actually fire up the view - but is that what you're thinking I should dig into - and then, assigning values to the child "tag" properties and then proceed to simulate some interaction? Tap a button to see some text get disabled?

Hmmmm ... I'm really curious now.

Thanks,
-Luther

On Sat, May 31, 2014 at 11:05 PM, Amir Kolsky amir.kolsky@... [testdrivendevelopment] <testdrivendevelopment@...> wrote:

?

You do not need to know pixels. If you know the IDs you can access the widgets. This is still a unit test.

Sent from my Android phone using TouchDown ()

-----Original Message-----
From: Luther Baker lutherbaker@... [testdrivendevelopment] [testdrivendevelopment@...]
Received: Saturday, 31 May 2014, 7:51AM
To: testdrivendevelopment@... [testdrivendevelopment@...]
Subject: Re: [TDD] Testing Views - iOS

?

Screenscrape? In iOS?

I generally don't position things explicitly via pixels anymore - not with Autolayout so would be hard to tell exactly where something was to show up if I were writing the test first.

I can write a UAT test that basically gets to that screen and can expect certain behavior -- but was looking for help regarding unit tests.

Thanks,

-Luther

On Fri, May 30, 2014 at 10:11 AM, Amir Kolsky amir.kolsky@... [testdrivendevelopment] <testdrivendevelopment@...> wrote:

?

Can’t you just screen scrape the views, given that they are supposed to drive the screen?

?

From: testdrivendevelopment@... [mailto:testdrivendevelopment@...]
Sent: Friday, May 30, 2014 6:23 PM
To: testdrivendevelopment@...
Subject: [TDD] Testing Views - iOS

?

?

I've essentially broken my GUI logic out into a rough MVP pattern and while I find testing the Models and Presenters straightforward, I haven't come up with a repeatable process to test drive the code in the Views.

?

Granted, my views are dumb and have no real business logic - but for instance, if something is disabled, I could test that certain fields are set to 'readonly', or greyed out, etc.

?

I generally use mocks and inject dependencies everywhere else in the app - but that isn't as feasible in the views. Buttons, toggles and segemented controls aren't something the parent view can just swap out, replace and layout correctly. Injection doesn't feel right and so, because Views are so 'self contained' - I find myself newing child components up inside of their parent views and as such, I'm not sure how to TDD them without exposing their internals somehow.

?

Would great appreciate some suggestions.

?

Thanks,

-Luther

?