[Testing] Feature Matrix UITest Cases for CollectionView EmptyView Feature by NafeelaNazhir · Pull Request #28679 · dotnet/maui

NafeelaNazhir · 2025-03-28T11:12:32Z

Description

This PR includes a comprehensive set of UI test cases for the CollectionView control. The tests validate the EmptyView feature functionality in CollectionView, including properties such as: EmptyView , EmptyViewTemplate, Header, Footer, ItemsLayout, ItemTemplate, ItemsSource.

Added UI test cases covering different EmptyView options (None, String, View, View With Size).
Implemented tests for EmptyViewTemplate with different configurations (None, View, View With Size).
Verified Header and Footer behavior with multiple configurations (None, String, View).
Added ItemsLayout selection test cases for various layout options (Vertical List, Horizontal List, Vertical Grid, Horizontal Grid).
Covered ItemTemplate variations (None, Basic DataTemplate).
Ensured ItemsSource selection updates dynamically (None, ObservableCollection, Grouped List, Empty Grouped List, Empty ObservableCollection).

EmptyView-Related Issues Identified in CollectionView

TargetInvocationException When Changing ItemsLayout and Selecting Header/Footer in CV2: TargetInvocationException Occurs When Selecting Header/Footer After Changing ItemsLayout in CV2 #28678
Header and Footer Misalignment with Horizontal ItemsLayout When EmptyView is Displayed: [Android] CollectionView Header and Footer Do Not Align with Horizontal ItemsLayout When EmptyView is Displayed #28622
EmptyViewTemplate Ignores HeightRequest and WidthRequest, Making Header and Footer Invisible in CV2: EmptyViewTemplate Does Not Apply HeightRequest and WidthRequest, Causing Header and Footer to Be Invisible in CV2 #28605
Footer Not Displayed at the Bottom When EmptyView is Active in CV2: Footer Not Displayed at the Bottom When EmptyView is Active in CV2 #28604
[Android] Header and Footer Not Visible When EmptyView is Selected First: [Android] Header and Footer Not Visible in CollectionView When EmptyView is Selected First #28351
[Windows] EmptyViewTemplate Not Displayed When ItemsSource is Null: [Windows] EmptyViewTemplate not displayed when ItemsSource is set to Null #28334
[Testing] EmptyView (Null ItemsSource) Elements Not Accessible via Automation on Windows: [Testing] EmptyView(null ItemsSource) elements Not Accessible via Automation on Windows Platform #28022
Footer Becomes Scrollable When EmptyView is Active on Android: CollectionView Footer Becomes Scrollable When EmptyView is Active on Android #28101

jsuarezruiz · 2025-03-28T11:34:20Z

/azp run

azure-pipelines · 2025-03-28T11:34:40Z

Azure Pipelines successfully started running 3 pipeline(s).

jsuarezruiz

Other tests failing on Android:

ValidateEmptyViewStringDisplayed_AndItemSourceEmptyObservableCollectionSetFirst
ValidateEmptyViewStringDisplayed_AndObservableCollectionSetFirst
ValidateEmptyViewStringDisplayed_GroupedListSetFirst
ValidateEmptyViewStringDisplayedSetFirst_AndBasicItemTemplate
ValidateEmptyViewStringDisplayedSetFirst_AndGroupedList
ValidateEmptyViewStringDisplayedSetFirst_AndItemSourceEmptyGroupedList
ValidateEmptyViewStringSetFirst_AndObservableCollection
ValidateEmptyViewTemplateDisplayed
ValidateEmptyViewTemplateDisplayed_AndCustomEmptyView
ValidateEmptyViewTemplateDisplayed_AndEmptyGroupedListSetFirst
ValidateEmptyViewTemplateDisplayed_AndEmptyViewString
ValidateEmptyViewTemplateDisplayed_AndGroupedListSetFirst
ValidateEmptyViewTemplateDisplayedSetFirst_AndBaicItemTemplate

jsuarezruiz · 2025-03-28T12:43:22Z

...ols/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/CollectionView_EmptyViewFeatureTests.cs

+
+		[Test]
+		[Category(UITestCategories.CollectionView)]
+		public void ValidateECustomEmptyViewSizeDisplayedSetFirst_AndEmptyObservableCollection()


This test fails on Android:

at UITest.Appium.HelperExtensions.WaitForAtLeastOne(Func`1 query, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 2384 at UITest.Appium.HelperExtensions.WaitForElement(IApp app, String marked, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency, Nullable`1 postTimeout) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 665 at Microsoft.Maui.TestCases.Tests.CollectionView_EmptyViewFeatureTests.ValidateECustomEmptyViewSizeDisplayedSetFirst_AndEmptyObservableCollection() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/CollectionView_EmptyViewFeatureTests.cs:line 328 at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)

jsuarezruiz · 2025-03-28T12:44:34Z

...ols/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/CollectionView_EmptyViewFeatureTests.cs

+
+		[Test]
+		[Category(UITestCategories.CollectionView)]
+		public void ValidateEmptyViewStringDisplayed_AndBasicItemTemplateSetFirst()


This test is failing on Android:

at UITest.Appium.HelperExtensions.Wait(Func`1 query, Func`2 satisfactory, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 2367 at UITest.Appium.HelperExtensions.WaitForAtLeastOne(Func`1 query, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 2384 at UITest.Appium.HelperExtensions.WaitForElement(IApp app, String marked, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency, Nullable`1 postTimeout) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 665 at Microsoft.Maui.TestCases.Tests.CollectionView_EmptyViewFeatureTests.ValidateEmptyViewStringDisplayed_AndBasicItemTemplateSetFirst() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/CollectionView_EmptyViewFeatureTests.cs:line 491 at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)

jsuarezruiz · 2025-03-28T12:45:20Z

...ols/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/CollectionView_EmptyViewFeatureTests.cs

+
+		[Test]
+		[Category(UITestCategories.CollectionView)]
+		public void ValidateEmptyViewStringDisplayed_AndEmptyGroupedListSetFirst()


This test fails on Android:

at UITest.Appium.HelperExtensions.Wait(Func`1 query, Func`2 satisfactory, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 2367 at UITest.Appium.HelperExtensions.WaitForAtLeastOne(Func`1 query, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 2384 at UITest.Appium.HelperExtensions.WaitForElement(IApp app, String marked, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency, Nullable`1 postTimeout) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 665 at Microsoft.Maui.TestCases.Tests.CollectionView_EmptyViewFeatureTests.ValidateEmptyViewStringDisplayed_AndEmptyGroupedListSetFirst() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/CollectionView_EmptyViewFeatureTests.cs:line 131 at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)

jsuarezruiz · 2025-03-28T12:45:59Z

...ols/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/CollectionView_EmptyViewFeatureTests.cs

+
+		[Test]
+		[Category(UITestCategories.CollectionView)]
+		public void ValidateEmptyViewStringDisplayed_AndEmptyViewTemplate()


Fails on Android:

at UITest.Appium.HelperExtensions.Wait(Func`1 query, Func`2 satisfactory, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 2367 at UITest.Appium.HelperExtensions.WaitForAtLeastOne(Func`1 query, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 2384 at UITest.Appium.HelperExtensions.WaitForElement(IApp app, String marked, String timeoutMessage, Nullable`1 timeout, Nullable`1 retryFrequency, Nullable`1 postTimeout) in /_/src/TestUtils/src/UITest.Appium/HelperExtensions.cs:line 665 at Microsoft.Maui.TestCases.Tests.CollectionView_EmptyViewFeatureTests.ValidateEmptyViewStringDisplayed_AndEmptyViewTemplate() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/CollectionView_EmptyViewFeatureTests.cs:line 431 at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)

jsuarezruiz · 2025-03-28T12:54:01Z

...ols/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/CollectionView_EmptyViewFeatureTests.cs

+			App.Tap("Apply");
+			App.WaitForElement("No Items Available(String)");
+		}
+


misspelling: Baic -> Basic

Hi @jsuarezruiz I have corrected the spelling mistake in the latest commit.

Copilot

Pull Request Overview

This pull request adds a comprehensive suite of UI test cases for the CollectionView control, specifically targeting the EmptyView feature and its related configurations such as Header, Footer, ItemsLayout, and ItemTemplate.

Introduces several new pages and view model changes for dynamic EmptyView, Header, and Footer updates.
Adds various test cases covering different EmptyView options and ItemsSource scenarios.
Updates the core gallery page to include the new CollectionView feature.

Reviewed Changes

Copilot reviewed 6 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
EmptyViewOptionsPage.xaml.cs	Implements UI logic for switching between various EmptyView, Header, and Footer options.
CollectionViewViewModal.cs	Contains the view model logic for handling the CollectionView test items and configurations.
CollectionViewFeaturePage.xaml.cs	Provides a feature page to display the CollectionView UI test cases.
CollectionViewControlPage.xaml.cs	Implements the control page for navigating to EmptyView options.
CorePageView.cs	Updates the core gallery to include the new CollectionView feature page.

Files not reviewed (3)

src/Controls/tests/TestCases.HostApp/FeatureMatrix/CollectionView/EmptyView/CollectionViewControlPage.xaml: Language not supported
src/Controls/tests/TestCases.HostApp/FeatureMatrix/CollectionView/EmptyView/CollectionViewFeaturePage.xaml: Language not supported
src/Controls/tests/TestCases.HostApp/FeatureMatrix/CollectionView/EmptyView/EmptyViewOptionsPage.xaml: Language not supported

Comments suppressed due to low confidence (1)

src/Controls/tests/TestCases.HostApp/FeatureMatrix/CollectionView/EmptyView/CollectionViewViewModal.cs:31

The file name 'CollectionViewViewModal.cs' does not match the class name 'CollectionViewViewModel'. Consider renaming the file to 'CollectionViewViewModel.cs' for consistency.

public class CollectionViewViewModel : INotifyPropertyChanged

NafeelaNazhir · 2025-04-01T05:14:41Z

Other tests failing on Android:

ValidateEmptyViewStringDisplayed_AndItemSourceEmptyObservableCollectionSetFirst

ValidateEmptyViewStringDisplayed_AndObservableCollectionSetFirst

ValidateEmptyViewStringDisplayed_GroupedListSetFirst

ValidateEmptyViewStringDisplayedSetFirst_AndBasicItemTemplate

ValidateEmptyViewStringDisplayedSetFirst_AndGroupedList

ValidateEmptyViewStringDisplayedSetFirst_AndItemSourceEmptyGroupedList

ValidateEmptyViewStringSetFirst_AndObservableCollection

ValidateEmptyViewTemplateDisplayed

ValidateEmptyViewTemplateDisplayed_AndCustomEmptyView

ValidateEmptyViewTemplateDisplayed_AndEmptyGroupedListSetFirst

ValidateEmptyViewTemplateDisplayed_AndEmptyViewString

ValidateEmptyViewTemplateDisplayed_AndGroupedListSetFirst

ValidateEmptyViewTemplateDisplayedSetFirst_AndBaicItemTemplate

Hi @jsuarezruiz It looks like all tests passed in the last run link: https://dev.azure.com/xamarin/public/_build/results?buildId=139258&view=ms.vss-test-web.build-test-results-tab

jsuarezruiz · 2025-04-01T06:07:36Z

/azp run

azure-pipelines · 2025-04-01T06:07:56Z

Azure Pipelines successfully started running 3 pipeline(s).

jsuarezruiz · 2025-04-08T07:31:46Z

/rebase

jsuarezruiz · 2025-04-08T07:33:26Z

/azp run

azure-pipelines · 2025-04-08T07:33:49Z

Azure Pipelines successfully started running 3 pipeline(s).

PureWeen · 2025-04-14T13:29:51Z

/rebase

PureWeen · 2025-04-14T13:32:48Z

/azp run MAUI-UITests-public

rmarinho · 2025-04-16T11:06:40Z

/azp run

azure-pipelines · 2025-04-16T11:07:01Z

Azure Pipelines successfully started running 3 pipeline(s).

The base branch was changed.

@albyrock87

### Description of Change ## .NET MAUI Release Notes - Inflight/Candidate ## What's Changed ### MAUI Product Fixes * Fix CarouselView layout SR6 regressions by @albyrock87 in #29035 * Revert "[Android] picker - focus/unfocus events (#28122)" by @PureWeen in https://github.com/dotnet/maui/pull/1fb5164929 * [Windows] Fixed the flyout content width not being set correctly after updating to WinUI SDK 1.7 by @Tamilarasan-Paranthaman in #28996 * [Android] picker - focus/unfocus events by @kubaflo in #28122 * [XC] add IRootObjectProvider by @StephaneDelcroix in #28310 * [iOS] Fix for the File.ContentType from MediaPicker not being in valid MIME format by @SyedAbdulAzeemSF4852 in #28842 * [Android] Fixed the Incorrect Text Color Applied to Selected Tab in TabbedPage by @Ahamed-Ali in #28844 * [iOS] Fix FlyoutPage does not respond to changes in the FlyoutLayoutBehavior property by @devanathan-vaithiyanathan in #28884 * [Android] Fixed ScalingCanvas.SetBlur not working by @NirmalKumarYuvaraj in #28911 * [iOS] - Resolved Proper Rendering of Dynamic Header/Footer Updates in CV2 by @prakashKannanSf3972 in #28641 * [iOS] Fixed the TargetInvocationException Occurs When Selecting Header/Footer After Changing ItemsLayout in CV2 by @Ahamed-Ali in #28890 * [Windows] - Fix Visual State Issue with Picker TextColor After Navigation by @prakashKannanSf3972 in #28746 ### Dependency Updates * [Windows] Upgrade to Windows App SDK 1.7 by @MartyIX in #28499 ### Testing * [Testing] Feature Matrix UITest Cases for CollectionView EmptyView Feature by @NafeelaNazhir in #28679 * Fixed Test case failure in PR 29037 - [2025/04/21] Candidate by @HarishKumarSF4517 in #29049 **Full Changelog**: main...inflight/candidate For more information about inflight process check https://github.com/dotnet/maui/wiki/Inflight-Branch-Process

dotnet-policy-service bot added community ✨ Community Contribution partner/syncfusion Issues / PR's with Syncfusion collaboration labels Mar 28, 2025

NafeelaNazhir added area-testing Unit tests, device tests partner/syncfusion Issues / PR's with Syncfusion collaboration and removed community ✨ Community Contribution partner/syncfusion Issues / PR's with Syncfusion collaboration labels Mar 28, 2025

ghost added the community ✨ Community Contribution label Mar 28, 2025

NafeelaNazhir changed the title ~~[Testing] Feature Matrix UITest Cases for CollectionView Control~~ [Testing] Feature Matrix UITest Cases for CollectionView EmptyView Feature Mar 28, 2025

jsuarezruiz suggested changes Mar 28, 2025

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jsuarezruiz reviewed Mar 28, 2025

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NafeelaNazhir marked this pull request as ready for review March 28, 2025 17:31

NafeelaNazhir requested a review from a team as a code owner March 28, 2025 17:31

NafeelaNazhir requested review from mattleibow and rmarinho March 28, 2025 17:31

ghost requested a review from Copilot March 29, 2025 01:52

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ghost requested review from PureWeen and jsuarezruiz April 14, 2025 04:39

PureWeen added this to the .NET 9 SR7 milestone Apr 14, 2025

PureWeen added this to MAUI SDK Ongoing Apr 14, 2025

NafeelaNazhir added 13 commits April 16, 2025 12:59

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NafeelaNazhir dismissed jsuarezruiz’s stale review via b7541d5 April 16, 2025 07:30

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PureWeen moved this from Approved to Ready To Review in MAUI SDK Ongoing Apr 18, 2025

rmarinho previously approved these changes Apr 21, 2025

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github-project-automation bot moved this from Ready To Review to Approved in MAUI SDK Ongoing Apr 21, 2025

PureWeen changed the base branch from main to inflight/candidate April 22, 2025 20:26

PureWeen changed the base branch from inflight/candidate to main April 22, 2025 20:26

PureWeen changed the base branch from main to inflight/candidate April 22, 2025 20:27

PureWeen merged commit b1c026c into dotnet:inflight/candidate Apr 22, 2025
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github-project-automation bot moved this from Approved to Done in MAUI SDK Ongoing Apr 22, 2025

PureWeen mentioned this pull request Apr 22, 2025

[2025/04/21] Candidate - In Flight Branch #29037

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ghost added the area-controls-collectionview CollectionView, CarouselView, IndicatorView label Aug 8, 2025

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NafeelaNazhir commented Mar 28, 2025 •

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