Close VS for Mac, start Xcode and create a test project which you run on a simulator. If it works try again in VS for Mac; Close VS for Mac, goto Xcode - Preferences - Accounts and download the manual profiles of your developer account. Try again in VS for Mac; Clean your project: In VS for Mac, goto Build - Clean All. To install Bottleneck on Linux, Mac OS X, et al.: $ pip install. To install bottleneck on Windows, first install MinGW and add it to your system path. Then install Bottleneck with the command: python setup.py install -compiler=mingw32. This video is all about installing TestProject agent on Mac OS and working with it.
-->UITest can be used with Xamarin.Forms to write UI tests to run in the cloud on hundreds of devices.
Overview
App Center Test allows developers to write automated user interface tests for iOS and Android apps. With some minor tweaks, Xamarin.Forms apps can be tested using Xamarin.UITest, including sharing the same test code. This article introduces specific tips to get Xamarin.UITest working with Xamarin.Forms.
This guide does assume that familiarity with Xamarin.UITest. The following guides are recommended for gaining familiarity with Xamarin.UITest:
Once a UITest project has been added to a Xamarin.Forms solution, the steps for writing and running the tests for a Xamarin.Forms application are the same as for a Xamarin.Android or Xamarin.iOS application.
Requirements
Refer to Xamarin.UITest to confirm your project is ready for automated UI testing.
Adding UITest support to Xamarin.Forms apps
UITest automates the user interface by activating controls on the screen and providing input anywhere a user would normally interact with the application. To enable tests that can press a button or enter text in a box the test code will need a way to identify the controls on the screen.
To enable the UITest code to reference controls, each control needs a unique identifier. In Xamarin.Forms, the recommended way to set this identifier is by using the
AutomationId
property as shown below:Test-project Mac Os Catalina
The
AutomationId
property can also be set in XAML:Note
AutomationId
is a BindableProperty
and so can also be set with a binding expression.A unique
AutomationId
should be added to all controls that are required for testing (including buttons, text entries, and labels whose value might need to be queried).Warning
An
InvalidOperationException
will be thrown if an attempt is made to set the AutomationId
property of an Element
more than once.iOS application project
To run tests on iOS, the Xamarin Test Cloud Agent NuGet package must be added to the project. Once it's been added, copy the following code into the
AppDelegate.FinishedLaunching
method:The Calabash assembly uses non-public Apple APIs, which cause apps to be rejected by the App Store. However, the Xamarin.iOS linker will remove the Calabash assembly from the final IPA if it isn't explicitly referenced from code.
Note
By default, release builds don't have the
ENABLE_TEST_CLOUD
compiler variable, which causes the Calabash assembly to be removed from app bundle. However, debug builds do have the compiler directive defined by default, preventing the linker from removing the assembly.The following screenshot shows the
ENABLE_TEST_CLOUD
compiler variable set for Debug builds:Android application project
Unlike iOS, Android projects don't need any special startup code.
Writing UITests
For information about writing UITests, see UITest documentation. The steps below are a summary, specifically describing how the Xamarin.Forms demo UsingUITest is built.
Use AutomationId in the Xamarin.Forms UI
Before any UITests can be written, the Xamarin.Forms application user interface must be scriptable. Ensure that all controls in the user interface have a
AutomationId
so that they can be referenced in test code.Referring to the AutomationId in UITests
When writing UITests, the
AutomationId
value is exposed differently on each platform:- iOS uses the
id
field. - Android uses the
label
field.
To write cross-platform UITests that will find the
AutomationId
on both iOS and Android, use the Marked
test query:The shorter form
app.Query('MyButton')
also works.Adding a UITest project to an existing solution
Visual Studio has a template to help add a Xamarin.UITest project to an existing Xamarin.Forms solution:
- Right-click on the solution, and select File > New Project.
- From the Visual C# Templates, select the Test category. Select the UI Test App > Cross-Platform template:This step adds a new project with the NUnit, Xamarin.UITest, and NUnitTestAdapter NuGet packages to the solution:The NUnitTestAdapter is a third-party test runner that allows Visual Studio to run NUnit tests from Visual Studio.The new project also has two classes in it. AppInitializer contains code to help initialize and setup tests. The other class, Tests, contains boilerplate code to help start the UITests.
- Add a project reference from the UITest project to the Xamarin.Android project:This step allows the NUnitTestAdapter to run the UITests for the Android app from Visual Studio.
It is possible to add a new Xamarin.UITest project to an existing solution manually:
- Start by adding a new project by selecting the solution, and clicking File > Add New Project. In the New Project dialog, select Cross-platform > Tests > Xamarin Test Cloud > UI Test App:This step adds a new project that already has the NUnit and Xamarin.UITest NuGet packages in the solution:The new project also has two classes in it. AppInitializer contains code to help initialize and setup tests. The other class, Tests, contains boilerplate code to help start the UITests.
- Select View > Pads > Unit Tests to display the Unit Test pad. Expand UsingUITest > UsingUITest.UITests > Test Apps:
- Right-click on Test Apps, click on Add App Project, and select iOS and Android projects in the dialog that appears:The Unit Test pad should now have a reference to the iOS and Android projects. This reference allows the Visual Studio for Mac test runner to execute UITests locally against the two Xamarin.Forms projects.
Adding UITest to the iOS app
There are some additional changes that need to be done to the iOS application before Xamarin.UITest will work:
- Add the Xamarin Test Cloud Agent NuGet package. Right-click on Packages, select Add Packages, search NuGet for the Xamarin Test Cloud Agent and add it to the Xamarin.iOS project:
- Edit the
FinishedLaunching
method of the project's AppDelegate class to initialize the Xamarin Test Cloud Agent when the iOS application starts, and to set theAutomationId
property of the views. TheFinishedLaunching
method should resemble the following code example:
After adding Xamarin.UITest to the Xamarin.Forms solution, it's possible to create UITests, run them locally, and submit them to App Center Test.
Summary
Xamarin.Forms applications can be easily tested with Xamarin.UITest using a simple mechanism to expose the
AutomationId
as a unique view identifier for test automation. Once a UITest project has been added to a Xamarin.Forms solution, the steps for writing and running the tests for a Xamarin.Forms application are the same as for a Xamarin.Android or Xamarin.iOS application.For information about how to submit tests to App Center Test, see Submitting UITests for Xamarin.Android or Submitting UITests for Xamarin.iOS. For more information about UITest, see App Center Test documentation.
Related links
Latest version Released:
Fast NumPy array functions written in C
Project description
Bottleneck is a collection of fast NumPy array functions written in C.
Let’s give it a try. Create a NumPy array:
Find the nanmean:
Moving window mean:
Benchmark
Bottleneck comes with a benchmark suite:
You can also run a detailed benchmark for a single function using, forexample, the command:
Only arrays with data type (dtype) int32, int64, float32, and float64 areaccelerated. All other dtypes result in calls to slower, unacceleratedfunctions. In the rare case of a byte-swapped input array (e.g. a big-endianarray on a little-endian operating system) the function will not beaccelerated regardless of dtype.
Where
download | https://pypi.python.org/pypi/Bottleneck |
docs | https://bottleneck.readthedocs.io |
code | https://github.com/pydata/bottleneck |
mailing list | https://groups.google.com/group/bottle-neck |
License
Bottleneck is distributed under a Simplified BSD license. See the LICENSE fileand LICENSES directory for details.
Install
Requirements:
Test-project Mac Os X
Bottleneck | Python 2.7, 3.5, 3.6, 3.7, 3.8; NumPy 1.16.0+ |
Compile | gcc, clang, MinGW or MSVC |
Unit tests | pytest |
Documentation | sphinx, numpydoc |
To install Bottleneck on Linux, Mac OS X, et al.:
To install bottleneck on Windows, first install MinGW and add it to yoursystem path. Then install Bottleneck with the command:
Test-project Mac Os Download
Alternatively, you can use the Windows binaries created by Christoph Gohlke:http://www.lfd.uci.edu/~gohlke/pythonlibs/#bottleneck
Unit tests
After you have installed Bottleneck, run the suite of unit tests:
If developing in the git repo, simply run py.test
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