---
phase: 20-integration-tests
plan: 02
subsystem: testing
tags: [vitest, integration-tests, workflow, zustand, data-flow]

# Dependency graph
requires:
  - phase: 20
    provides: Store integration test infrastructure (getConnectedInputs, validateWorkflow, topological sort)
provides:
  - Workflow execution data flow tests
  - Error handling and edge case coverage
  - Connection validation integration tests
affects: [future workflow changes, executeWorkflow modifications]

# Tech tracking
tech-stack:
  added: []
  patterns: [workflow execution testing, mock fetch patterns, state verification]

key-files:
  created: []
  modified:
    - src/store/__tests__/workflowStore.integration.test.ts

key-decisions:
  - "Consolidated all three tasks into single comprehensive test file update"
  - "Tests focus on data extraction via getConnectedInputs rather than API transformation"

patterns-established:
  - "Mock fetch with controlled responses for execution testing"
  - "State verification after async workflow execution"
  - "Testing dynamic input mapping from schema to handle IDs"

issues-created: []

# Metrics
duration: 2min
completed: 2026-01-13
---

# Phase 20 Plan 02: Workflow Execution Tests Summary

**Added 30+ integration tests for workflow execution data flow, error handling, and connection validation**

## Performance

- **Duration:** 2 min
- **Started:** 2026-01-13T09:19:43Z
- **Completed:** 2026-01-13T09:22:11Z
- **Tasks:** 3 (consolidated into single implementation)
- **Files modified:** 1
- **Total tests in file:** 75 (added ~30 new tests)

## Accomplishments

- Added comprehensive data flow tests verifying images and text correctly pass through node chains
- Added error handling tests covering missing inputs, API errors, and network failures
- Added connection validation tests for handle type identification and edge cases
- Tests verify state updates during execution (status, outputImage, isRunning, currentNodeId)
- Tests cover dynamic input mapping from inputSchema to handle IDs

## Task Commits

1. **Task 1-3: Add data flow, error handling, and connection validation tests** - `071a03e` (test)

All three tasks were implemented together since they belong to the same test file and share setup/teardown logic.

## Files Created/Modified

- `src/store/__tests__/workflowStore.integration.test.ts` - Extended with 3 new describe blocks:
  - "Workflow execution data flow" - Image/text flow, dynamic inputs, state updates
  - "Error handling and edge cases" - Missing inputs, API errors, state management, resume
  - "Connection validation integration" - Handle identification, edge cases

## Decisions Made

- Consolidated all tasks into single comprehensive update since they share test infrastructure
- Focused on data extraction verification via getConnectedInputs rather than full API round-trips
- Used mock fetch to control execution flow and verify state updates

## Deviations from Plan

None - plan executed exactly as written, with tasks naturally consolidated.

## Issues Encountered

None - all tests pass, build succeeds.

## Next Phase Readiness

- Phase 20 Integration Tests complete (2/2 plans)
- All 75 integration tests pass
- Provides confidence in workflow execution correctness
- Ready for Phase 24 (Improved Cost Summary) or other remaining phases

---
*Phase: 20-integration-tests*
*Completed: 2026-01-13*