Add test for activities and variables

test/integration/Elsa.IntegrationTests/Elsa.IntegrationTests.csproj

@@ -130,6 +130,7 @@
 
 
 
+
     </ItemGroup>
 
 

test/integration/Elsa.IntegrationTests/Scenarios/SetGetVariables/Tests.cs

@@ -12,12 +12,11 @@ public class Tests
 {
     private readonly IWorkflowRunner _workflowRunner;
     private readonly CapturingTextWriter _capturingTextWriter = new();
-    private readonly IWorkflowBuilderFactory _workflowBuilderFactory;
 
     public Tests(ITestOutputHelper testOutputHelper)
     {
         var services = new TestApplicationBuilder(testOutputHelper).WithCapturingTextWriter(_capturingTextWriter).Build();
-        _workflowBuilderFactory = services.GetRequiredService<IWorkflowBuilderFactory>();
+        services.GetRequiredService<IWorkflowBuilderFactory>();
         _workflowRunner = services.GetRequiredService<IWorkflowRunner>();
     }
 

test/integration/Elsa.IntegrationTests/Scenarios/SetGetVariablesFromActivities/Activities/CreateVariableActivity.cs

@@ -0,0 +1,12 @@
+using Elsa.Extensions;
+using Elsa.Workflows.Core;
+
+namespace Elsa.IntegrationTests.Scenarios.SetGetVariablesFromActivities.Activities;
+
+public class CreateVariableActivity : CodeActivity
+{
+    protected override void Execute(ActivityExecutionContext context)
+    {
+        context.SetVariable("Foo", "Bar");
+    }
+}

test/integration/Elsa.IntegrationTests/Scenarios/SetGetVariablesFromActivities/Activities/ReadVariableActivity.cs

@@ -0,0 +1,13 @@
+using Elsa.Extensions;
+using Elsa.Workflows.Core;
+
+namespace Elsa.IntegrationTests.Scenarios.SetGetVariablesFromActivities.Activities;
+
+public class ReadVariableActivity : CodeActivity<string>
+{
+    protected override void Execute(ActivityExecutionContext context)
+    {
+        var foo = context.GetVariable<string>("Foo");
+        Result.Set(context, foo);
+    }
+}

test/integration/Elsa.IntegrationTests/Scenarios/SetGetVariablesFromActivities/Tests.cs

@@ -0,0 +1,31 @@
+using System.Linq;
+using System.Threading.Tasks;
+using Elsa.IntegrationTests.Scenarios.SetGetVariablesFromActivities.Workflows;
+using Elsa.Testing.Shared;
+using Elsa.Workflows.Core.Contracts;
+using Microsoft.Extensions.DependencyInjection;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Elsa.IntegrationTests.Scenarios.SetGetVariablesFromActivities;
+
+public class Tests
+{
+    private readonly IWorkflowRunner _workflowRunner;
+    private readonly CapturingTextWriter _capturingTextWriter = new();
+
+    public Tests(ITestOutputHelper testOutputHelper)
+    {
+        var services = new TestApplicationBuilder(testOutputHelper).WithCapturingTextWriter(_capturingTextWriter).Build();
+        services.GetRequiredService<IWorkflowBuilderFactory>();
+        _workflowRunner = services.GetRequiredService<IWorkflowRunner>();
+    }
+
+    [Fact(DisplayName = "Activities can set and get variables internally")]
+    public async Task Test1()
+    {
+        await _workflowRunner.RunAsync<SampleWorkflow>();
+        var lines = _capturingTextWriter.Lines.ToList();
+        Assert.Equal(new[] { "Bar" }, lines);
+    }
+}

test/integration/Elsa.IntegrationTests/Scenarios/SetGetVariablesFromActivities/Workflows/SampleWorkflow.cs

@@ -0,0 +1,33 @@
+using Elsa.IntegrationTests.Scenarios.SetGetVariablesFromActivities.Activities;
+using Elsa.Workflows.Core;
+using Elsa.Workflows.Core.Activities;
+using Elsa.Workflows.Core.Contracts;
+using Elsa.Workflows.Core.Memory;
+
+namespace Elsa.IntegrationTests.Scenarios.SetGetVariablesFromActivities.Workflows;
+
+class SampleWorkflow : WorkflowBase
+{
+    protected override void Build(IWorkflowBuilder workflow)
+    {
+        var variable1 = new Variable<string>();
+
+        workflow.Root = new Sequence
+        {
+            Variables =
+            {
+                variable1
+            },
+
+            Activities =
+            {
+                new CreateVariableActivity(),
+                new ReadVariableActivity
+                {
+                    Result = new(variable1)
+                },
+                new WriteLine(variable1)
+            }
+        };
+    }
+}