Sienna Meridian Satterwhite
02a574b24e
Pure formatting pass from `cargo fmt --all`. No logic changes. Separating this out so the 1.9 release feature commits that follow show only their intentional edits.
83 lines
2.6 KiB
Rust
83 lines
2.6 KiB
Rust
use async_trait::async_trait;
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use serde_json::json;
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use crate::models::ExecutionResult;
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use crate::traits::step::{StepBody, StepExecutionContext};
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/// A container step that executes its children sequentially.
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/// Completes when all children have finished.
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#[derive(Default)]
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pub struct SequenceStep;
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#[async_trait]
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impl StepBody for SequenceStep {
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async fn run(&mut self, context: &StepExecutionContext<'_>) -> crate::Result<ExecutionResult> {
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let mut scope = context.execution_pointer.scope.clone();
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scope.push(context.execution_pointer.id.clone());
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if context.workflow.is_branch_complete(&scope) {
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Ok(ExecutionResult::next())
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} else {
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Ok(ExecutionResult::persist(json!({"children_active": true})))
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::models::{ExecutionPointer, PointerStatus};
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use crate::primitives::test_helpers::*;
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#[tokio::test]
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async fn children_complete_proceeds() {
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let mut step = SequenceStep;
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let pointer = ExecutionPointer::new(0);
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let wf_step = default_step();
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let mut workflow = default_workflow();
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let mut child = ExecutionPointer::new(1);
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child.scope = vec![pointer.id.clone()];
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child.status = PointerStatus::Complete;
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workflow.execution_pointers.push(child);
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let ctx = make_context(&pointer, &wf_step, &workflow);
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let result = step.run(&ctx).await.unwrap();
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assert!(result.proceed);
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}
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#[tokio::test]
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async fn children_incomplete_persists() {
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let mut step = SequenceStep;
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let pointer = ExecutionPointer::new(0);
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let wf_step = default_step();
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let mut workflow = default_workflow();
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let mut child = ExecutionPointer::new(1);
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child.scope = vec![pointer.id.clone()];
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child.status = PointerStatus::Running;
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workflow.execution_pointers.push(child);
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let ctx = make_context(&pointer, &wf_step, &workflow);
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let result = step.run(&ctx).await.unwrap();
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assert!(!result.proceed);
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assert_eq!(
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result.persistence_data,
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Some(json!({"children_active": true}))
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);
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}
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#[tokio::test]
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async fn no_children_in_scope_proceeds() {
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let mut step = SequenceStep;
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let pointer = ExecutionPointer::new(0);
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let wf_step = default_step();
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let workflow = default_workflow();
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let ctx = make_context(&pointer, &wf_step, &workflow);
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let result = step.run(&ctx).await.unwrap();
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// No children in scope means is_branch_complete returns true (vacuously).
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assert!(result.proceed);
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}
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}
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