elsa-core/test/unit/Elsa.Core.UnitTests/WorkflowHostTests.cs
2020-01-18 13:11:11 +01:00

96 lines
3.6 KiB
C#

using System.Threading;
using System.Threading.Tasks;
using AutoFixture;
using Elsa.Expressions;
using Elsa.Extensions;
using Elsa.Models;
using Elsa.Persistence;
using Elsa.Results;
using Elsa.Services;
using Elsa.Services.Models;
using Elsa.Testing.Shared.Autofixture;
using MediatR;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging.Abstractions;
using Moq;
using NodaTime;
using NodaTime.Testing;
using Xunit;
namespace Elsa.Core.UnitTests
{
public class WorkflowHostTests
{
private readonly WorkflowHost workflowHost;
public WorkflowHostTests()
{
var fixture = new Fixture().Customize(new NodaTimeCustomization());
var workflowActivatorMock = new Mock<IWorkflowActivator>();
var idGeneratorMock = new Mock<IIdGenerator>();
var workflowRegistryMock = new Mock<IWorkflowRegistry>();
var workflowInstanceStoreMock = new Mock<IWorkflowInstanceStore>();
var workflowExpressionEvaluatorMock = new Mock<IExpressionEvaluator>();
var mediatorMock = new Mock<IMediator>();
var now = fixture.Create<Instant>();
var fakeClock = new FakeClock(now);
var logger = new NullLogger<WorkflowHost>();
var serviceProvider = new ServiceCollection().BuildServiceProvider();
workflowHost = new WorkflowHost(
workflowRegistryMock.Object,
workflowInstanceStoreMock.Object,
workflowActivatorMock.Object,
workflowExpressionEvaluatorMock.Object,
idGeneratorMock.Object,
mediatorMock.Object,
serviceProvider,
logger);
}
[Fact(DisplayName = "Can run simple workflow to completed state.")]
public async Task RunAsync01()
{
var activity = CreateActivity();
var workflow = CreateWorkflow(activity);
var executionContext = await workflowHost.RunWorkflowAsync(workflow);
Assert.Equal(WorkflowStatus.Completed, executionContext.CreateWorkflowInstance().Status);
}
[Fact(DisplayName = "Invokes returned activity execution result.")]
public async Task RunAsync02()
{
var activityExecutionResultMock = new Mock<IActivityExecutionResult>();
var activity = CreateActivity(true, activityExecutionResultMock.Object);
var workflow = CreateWorkflow(activity);
var executionContext = await workflowHost.RunWorkflowAsync(workflow);
activityExecutionResultMock
.Verify(x => x.ExecuteAsync(It.IsAny<ActivityExecutionContext>(), It.IsAny<CancellationToken>()), Times.Once);
}
private IActivity CreateActivity(bool canExecute = true, IActivityExecutionResult? activityExecutionResult = null)
{
var activityMock = new Mock<IActivity>();
activityMock
.Setup(x => x.CanExecuteAsync(It.IsAny<ActivityExecutionContext>(), It.IsAny<CancellationToken>()))
.ReturnsAsync(canExecute);
if (activityExecutionResult != null)
activityMock
.Setup(x => x.ExecuteAsync(It.IsAny<ActivityExecutionContext>(), It.IsAny<CancellationToken>()))
.ReturnsAsync(activityExecutionResult);
return activityMock.Object;
}
private Workflow CreateWorkflow(IActivity activity)
{
var workflow = new Workflow();
workflow.Activities.Add(activity);
return workflow;
}
}
}