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Sportstime/.planning/phases/08-dag-system-tdd/08-01-SUMMARY.md
Trey t 6e00663fec docs(08-01): complete GameDAGRouter edge cases plan 
Plan 08-01 complete:
- 17 TDD tests for GameDAGRouter edge cases
- canTransition boundary validation tests
- Anchor filtering and repeat city handling tests

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-10 11:52:51 -06:00

4.2 KiB
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phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, patterns-established, issues-created, duration, completed
phase plan subsystem tags requires provides affects tech-stack key-files key-decisions patterns-established issues-created duration completed
08-dag-system-tdd 01 testing
swift-testing
tdd
dag-routing
trip-planning
phase provides
07-testing-docs Testing infrastructure and patterns
GameDAGRouter edge case test suite (17 tests)
canTransition boundary validation tests
TDD workflow for routing algorithm
08-02
09-trip-planner-modes
trip-planning-engine
added patterns
swift-testing-tdd
game-routing-tests
created modified
SportsTimeTests/GameDAGRouterTests.swift
SportsTimeTests/SportsTimeTests.swift
Used Swift Testing framework (@Test, #expect) consistent with existing test patterns
Tests validate behavior via findRoutes() rather than testing canTransition() directly
GameDAGRouter test pattern: makeStadium/makeGame/date helpers for consistent test data
Feasibility tests: verify route combinations exist or don't exist based on distance/time constraints
25min 2026-01-10

Phase 8 Plan 01: GameDAGRouter Edge Cases Summary

17 TDD tests validating GameDAGRouter edge cases, anchor filtering, repeat city handling, and canTransition time/distance boundaries

Performance

  • Duration: 25 min
  • Started: 2026-01-10T17:37:21Z
  • Completed: 2026-01-10T18:02:00Z
  • Tasks: 3 (Task 2 auto-completed - tests passed on first run)
  • Files modified: 2

Accomplishments

  • Created 10 edge case tests covering empty inputs, single games, anchor filtering, and repeat city handling
  • Added 7 canTransition boundary tests for time buffers and distance constraints
  • Removed broken DayCardTests that referenced deleted types (cleanup)
  • All 17 tests pass, validating GameDAGRouter correctness

Task Commits

Each task was committed atomically:

  1. Task 1: Create GameDAGRouterTests with edge case tests - a4db9a9 (test)
  2. Task 2: Fix any failing edge case tests - N/A (all passed on first run)
  3. Task 3: Add canTransition boundary tests - 02cb09f (test)

Plan metadata: (pending)

Files Created/Modified

  • SportsTimeTests/GameDAGRouterTests.swift - New test file with 17 edge case tests for GameDAGRouter
  • SportsTimeTests/SportsTimeTests.swift - Removed broken DayCardTests (types no longer exist)

Decisions Made

  • Used Swift Testing framework consistent with existing tests (ScenarioBPlannerTests)
  • Test canTransition() logic indirectly through findRoutes() behavior rather than making it public
  • Corrected initial borderline timing test (GameEndBuffer) after verifying actual haversine distances

Deviations from Plan

Auto-fixed Issues

1. [Rule 3 - Blocking] Fixed pre-existing broken tests

  • Found during: Task 1 (running tests)
  • Issue: SportsTimeTests.swift referenced DayCard and DayConflictInfo types that were removed in previous refactor
  • Fix: Removed broken DayCardTests struct (11 tests), kept working DuplicateGameIdTests
  • Files modified: SportsTimeTests/SportsTimeTests.swift
  • Verification: Build succeeds, all tests run
  • Committed in: 02cb09f (combined with Task 3)

2. [Rule 1 - Auto-fix] Corrected borderline test case

  • Found during: Task 3 (running boundary tests)
  • Issue: GameEndBuffer test expected infeasible but actual haversine calculation showed 2.45hr drive fits in 2.5hr window
  • Fix: Adjusted test timing to be clearly infeasible (1.5hr available for 2.45hr drive)
  • Files modified: SportsTimeTests/GameDAGRouterTests.swift
  • Verification: Test now correctly validates buffer behavior
  • Committed in: 02cb09f

Deferred Enhancements

None - all tests pass, no issues logged.

Total deviations: 2 auto-fixed (1 blocking pre-existing issue, 1 test refinement), 0 deferred Impact on plan: Auto-fixes necessary for build success. No scope creep.

Issues Encountered

  • Pre-existing test failure in ScenarioAPlannerSwiftTests (plan_StopDepartureDate_IsLastGameDate) - unrelated to this phase, not investigated

Next Phase Readiness

  • GameDAGRouter edge cases validated, ready for Plan 08-02 (performance with large datasets)
  • Test patterns established for future DAG routing tests
  • No blockers

Phase: 08-dag-system-tdd Plan: 01 Completed: 2026-01-10

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