feat(workflows): add sub-workflow backend support

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
David Kaya
2026-04-05 19:31:56 +02:00
co-authored by Copilot
parent ea9444ddac
commit 41e74c2fa9
18 changed files with 1064 additions and 29 deletions
@@ -7,6 +7,36 @@ public sealed class WorkflowValidatorTests
{
private readonly WorkflowValidator _validator = new();
[Fact]
public void Validate_AcceptsInlineSubworkflowNodes()
{
WorkflowDefinitionDto workflow = CreateSubworkflowParent(inlineWorkflow: CreateWorkflow(id: "child"));
IReadOnlyList<WorkflowValidationIssueDto> issues = _validator.Validate(workflow);
Assert.DoesNotContain(issues, issue => issue.Level == "error");
}
[Fact]
public void Validate_RejectsSubworkflowNodesWithoutSingleSource()
{
WorkflowDefinitionDto workflow = CreateSubworkflowParent();
IReadOnlyList<WorkflowValidationIssueDto> issues = _validator.Validate(workflow);
Assert.Contains(issues, issue => issue.Field == "graph.nodes.config");
}
[Fact]
public void Validate_RejectsUnknownReferencedWorkflowIdsWhenLibraryProvided()
{
WorkflowDefinitionDto workflow = CreateSubworkflowParent(workflowId: "missing-child");
IReadOnlyList<WorkflowValidationIssueDto> issues = _validator.Validate(workflow, []);
Assert.Contains(issues, issue => issue.Field == "graph.nodes.config.workflowId");
}
[Fact]
public void Validate_RejectsInvalidConditionOperator()
{
@@ -122,11 +152,11 @@ public sealed class WorkflowValidatorTests
Assert.DoesNotContain(issues, issue => issue.Level == "error");
}
private static WorkflowDefinitionDto CreateWorkflow()
private static WorkflowDefinitionDto CreateWorkflow(string id = "workflow-1")
{
return new WorkflowDefinitionDto
{
Id = "workflow-1",
Id = id,
Name = "Loop Workflow",
Graph = new WorkflowGraphDto
{
@@ -184,4 +214,68 @@ public sealed class WorkflowValidatorTests
},
};
}
private static WorkflowDefinitionDto CreateSubworkflowParent(
string? workflowId = null,
WorkflowDefinitionDto? inlineWorkflow = null)
{
return new WorkflowDefinitionDto
{
Id = "workflow-parent",
Name = "Parent Workflow",
Graph = new WorkflowGraphDto
{
Nodes =
[
new WorkflowNodeDto
{
Id = "start",
Kind = "start",
Label = "Start",
Config = new WorkflowNodeConfigDto { Kind = "start" },
},
new WorkflowNodeDto
{
Id = "sub-workflow",
Kind = "sub-workflow",
Label = "Nested Workflow",
Config = new WorkflowNodeConfigDto
{
Kind = "sub-workflow",
WorkflowId = workflowId,
InlineWorkflow = inlineWorkflow,
},
},
new WorkflowNodeDto
{
Id = "end",
Kind = "end",
Label = "End",
Config = new WorkflowNodeConfigDto { Kind = "end" },
},
],
Edges =
[
new WorkflowEdgeDto
{
Id = "edge-start-sub",
Source = "start",
Target = "sub-workflow",
Kind = "direct",
},
new WorkflowEdgeDto
{
Id = "edge-sub-end",
Source = "sub-workflow",
Target = "end",
Kind = "direct",
},
],
},
Settings = new WorkflowSettingsDto
{
Checkpointing = new WorkflowCheckpointSettingsDto(),
},
};
}
}