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BUILD.md

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Building and Testing REEF .NET

Prerequisites

  • Windows OS including Windows 8,10,Server 2012 and Server 2016.
  • Same prerequisites as REEF Java (Building REEF Java), which includes:
  • Set the following environment variables:
    • Set M2_HOME environment variable to location of maven installation
    • Set JAVA_HOME environment variable to java installation directory
  • Add the following items to the environment variable PATH:
    • Add the location of the protoc.exe executable in the windows path
    • Add %JAVA_HOME%/bin and %M2_HOME%/bin to the windows path as well
  • Visual Studio 2017 V. 15.4.3 or newer. Most REEF developers use the free Community Edition.
  • NuGet 4.0.0 or later. (Included in VS 2017)
  • xunit.runner.console.2.1.0 package (installing it might require manual restore of NuGet packages).

Instructions

For Building projects:

To build and run tests in Visual Studio on local machine:

  1. Open solution .\lang\cs\Org.Apache.REEF.sln
  2. Build solution
  3. Open Test Explorer and add search filter -Trait:Environment to filter out tests which are supposed to run on Yarn. If not filtered out, these tests will fail.
  4. Use "Run All" to run all tests

To build REEF.NET from command line, execute

msbuild .\lang\cs\Org.Apache.REEF.sln

To run .NET tests on local machine from command line, execute

msbuild .\lang\cs\TestRunner.proj

TestRunner.proj already has a filter set up to exclude Yarn tests.

For Building DotNet projects:

We are in the process of converting the C# support to use dotnet core as well as support for Visual Studio 2017. As a result there are .DotNet.csproj files that sit beside the existing csproj files. To build the dotnet projects, you will need the .NET Core SDK installed on your machine as well as Visual Studio 2017.

Note: Building in Visual Studio 2017 is not yet supported. You will need to build at the command line using the .NET Core SDK tools (dotnet). However Visual Studio 2017 does support opening the DotNet solution. .NET Core applications are supported on both Windows and Linux, the projects will only build fully on Windows since they do target the .net45 framework.

The .NET Core SDK tools are located here:

https://github.com/dotnet/cli

Scroll down the page to access the latest builds of .NET Core SDK, download the Windows X64 installer.

At the time of writing the current version used is 2.0.0-preview1-005825. Any version that is equal or newer should also work.

To build from Visual Studio 2017:

This is not currently supported and you will need to build from the command line however VS2017 can be used to view the solution.

To open the project in VS2017, open the solution .\lang\cs\Org.Apache.REEF.DotNet.sln.

To build from the command line, in the reef\lang\cs path, type the following:

dotnet clean Org.Apache.REEF.DotNet.sln
dotnet restore Org.Apache.REEF.DotNet.sln
dotnet build Org.Apache.REEF.DotNet.sln
  • clean will clean any previously built binary
  • restore restores nuget dependencies
  • build builds the solution

To build nuget packages, type the following:

  • dotnet pack Org.Apache.REEF.DotNet.sln

This will build nuget packages for each project.

Projects will build out to reef\bin\<AssemblyName> and will contain all the platforms that the project supports. Each project is in various stages as they are transitioning to dotnet core 2.0 - therefore they may only build .net45 and .net46 assemblies.

Continuous Integration

We use AppVeyor to run continuous integration for REEF .NET code (i.e. build code and run tests for all pull requests and commits to master branch).

It can be convenient to set up AppVeyor for your fork of REEF repository, for example, to reproduce a test failure which can't be reproduced locally or to get AppVeyor test run results earlier than the official ones.

  1. Log in to AppVeyor using your GitHub credentials.
  2. Go to project creation and select reef repository.
  3. Fine-tune configuration as required at Settings tab of repository; you can enable building pushes to your repository when you're investigating something and disable them when you don't need them.
  4. Edit AppVeyor configuration file as required (by default you'll use the same configuration as REEF build).

To isolate a specific test or group of tests, you can modify test_script section of appveyor.yml. For example, to run only one test Org.Apache.REEF.Tests.Functional.IMRU.IMRUCloseTaskTest.TestTaskCloseOnLocalRuntime modify test_script section as follows:

test_script:
  - cmd: cd .\lang\cs
  - cmd: .\.nuget\nuget.exe restore .\.nuget\packages.config -o .\packages
  - cmd: .\packages\xunit.runner.console.2.1.0\tools\xunit.console.exe .\bin\x64\Debug\Org.Apache.REEF.Tests\Org.Apache.REEF.Tests.dll -method Org.Apache.REEF.Tests.Functional.IMRU.IMRUCloseTaskTest.TestTaskCloseOnLocalRuntime

nuget restore is necessary to install xunit.runner.console package, which by default is installed in TestRunner.proj.