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Unable to run the automated tests using MsTest.exe

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S
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S asked on 26 Oct 2017, 07:19 PM

Here is the sample code

    [TestClass]
    public class UnitTest1
    {
        private Manager m_manager;

        [TestInitialize]
        public void TestInitialize()
        {
            var mySettings = new Settings { Web = { DefaultBrowser = BrowserType.Chrome } };
            m_manager = new Manager(mySettings);
            m_manager.Start();
            m_manager.LaunchNewBrowser();
        }

        [TestCleanup]
        public void TestCleanup()
        {
            m_manager.Dispose();
        }

        [TestMethod]
        public void NavigateToGoogle()
        {
            m_manager.ActiveBrowser.NavigateTo("https://google.com/");
        }
    }

Assuming the following build to a telerick.dll

This is the command I am using from cmd prompt

MSTest.exe /testcontainer:"C:\POC1\Telerik\Telerik\bin\Debug\Telerik.dll"

When I run using command I am getting the following error, it runs perfectly fine when I use VisualStudio.

          <Message>Initialization method TelerikTestingFramework.UnitTest1.TestInitialize threw exception. System.TypeInitializationException: System.TypeInitializationException: The type initializer for 'ArtOfTest.WebAii.Core.Settings' threw an exception. ---&gt; System.IO.FileNotFoundException: Could not load file or assembly 'Newtonsoft.Json, Version=10.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies. The system cannot find the file specified..</Message>
          <StackTrace>    at System.ModuleHandle.ResolveType(RuntimeModule module, Int32 typeToken, IntPtr* typeInstArgs, Int32 typeInstCount, IntPtr* methodInstArgs, Int32 methodInstCount, ObjectHandleOnStack type)
   at System.ModuleHandle.ResolveTypeHandleInternal(RuntimeModule module, Int32 typeToken, RuntimeTypeHandle[] typeInstantiationContext, RuntimeTypeHandle[] methodInstantiationContext)
   at System.Reflection.RuntimeModule.ResolveType(Int32 metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments)
   at System.Reflection.CustomAttribute.FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, Assembly&amp; lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, Boolean mustBeInheritable, Object[] attributes, IList derivedAttributes, RuntimeType&amp; attributeType, IRuntimeMethodInfo&amp; ctor, Boolean&amp; ctorHasParameters, Boolean&amp; isVarArg)
   at System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeModule decoratedModule, Int32 decoratedMetadataToken, Int32 pcaCount, RuntimeType attributeFilterType, Boolean mustBeInheritable, IList derivedAttributes, Boolean isDecoratedTargetSecurityTransparent)
   at System.Reflection.CustomAttribute.GetCustomAttributes(RuntimePropertyInfo property, RuntimeType caType)
   at System.Reflection.RuntimePropertyInfo.GetCustomAttributes(Type attributeType, Boolean inherit)
   at ArtOfTest.WebAii.Core.Settings..cctor()
 --- End of inner exception stack trace ---
    at ArtOfTest.WebAii.Core.Settings..ctor()

 

 

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Nikolay Petrov
Telerik team
answered on 30 Oct 2017, 01:39 PM
Hello Setti,

Thank you for providing sample to reproduce the problem.

If adding a Newtonsoft.Json package to the VS project it would resolve the missing dependency problem as shown on the attached screen-shot indeed.

If running with MSTest.exe the test dll file there would be observed the reported problem. It is caused by the fact the MSTest does not copy all necessary files to the output execution directory. There could be two approached to resolving such problem:

 1. Add a deployment attribute to the test method meant for execution as the following one:
[DeploymentItem(@"C:\[Full Path to DLL File]\Newtonsoft.Json.dll")]

 2. The other approach is to create and refer in the command line a settings file that contains dll deployment information.

Both approaches are described here for a reference. More on MSTest command line options you could find here

I hope those directions helps.

Best Regards,
Nikolay Petrov
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Lisa
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answered on 09 Feb 2018, 06:55 PM

Hi Nikolay,

I created a unit test project to try out the Testing Framework.

I'm getting the error above when running from Test Explorer.

Details: 

Visual Studio Enterprise 2015 14.0.25431.01 Update 3

Test Studio was last downloaded on 1/30/2018

Nuget Package for Newtonsoft.Json 10.0.3 is installed - even with it installed I'm getting the error.

I tried running the test with and without the DeploymentItem line for Newtonsoft and I get the error either way.

The test class is shown partially in the screenshot attached. The test is failing before hitting the first line of the test method. 

Result Message: Initialization method SASTestingFrameworkUnitTests.LoginUsingImpersonation.TestInitialize threw exception. System.TypeInitializationException: System.TypeInitializationException: The type initializer for 'ArtOfTest.WebAii.Core.Settings' threw an exception. ---> System.IO.FileNotFoundException: Could not load file or assembly 'Newtonsoft.Json, Version=10.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies. The system cannot find the file specified..

 

 

0
Elena
Telerik team
answered on 14 Feb 2018, 02:30 PM
Hello Lisa,

Thank you for the details. 

To be able to run any tests in which you have used the testing framework in a unit test you will need to GAC the Newtonsoft.Json.dll 10.0.3 so that it could be located. 

Or alternatively you could use the VStest.console.exe to run the tests. 

Thank you for your understanding! 

Regards,
Elena Tsvetkova
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Nikolay Petrov
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Lisa
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Elena
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