92 lines
5.7 KiB
Markdown
92 lines
5.7 KiB
Markdown
# Diablo II v1.13c Parity Test Suite — Readiness Certification (`TEST_READY.md`)
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**Date**: 2026-10-02
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**Status**: READY (100% PASS RATE)
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**Target Initiative**: Diablo II v1.13c Parity (151 Issues, #562–#712)
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**Author**: Test Writer Specialist Agent (`teamwork_preview_test_writer_e2e_1`)
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---
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## 1. Executive Summary
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The complete 4-tier requirement-driven opaque-box E2E parity test suite for the Diablo II v1.13c initiative is implemented, verified, and certified ready for continuous integration and regression testing.
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- **Total Parity Tests**: 109 tests across 4 tiers in `tests/e2e-parity/`.
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- **Legacy Migrated Tests**: 13 tests across 4 suites migrated from `node:test` to Vitest.
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- **Combined Test Count**: 122 tests executed via `npx vitest run`.
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- **Pass Rate**: 100% (122 / 122 tests passing cleanly).
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- **Production Code Guard**: 0 changes to production files (`src/**`). All modifications strictly confined to `tests/**` and documentation.
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---
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## 2. Test Coverage & Tier Breakdown
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| Tier | File Path | Focus Area | Test Count | Pass Rate |
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|---|---|---|---|---|
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| **Tier 1** | `tests/e2e-parity/tier1-feature-coverage.test.ts` | Core Feature Coverage across 8 Batches (#562–#712) | 48 tests | 100% (48/48) |
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| **Tier 2** | `tests/e2e-parity/tier2-boundary-corner.test.ts` | Boundary, Corner & Edge Cases across 8 Batches | 48 tests | 100% (48/48) |
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| **Tier 3** | `tests/e2e-parity/tier3-cross-feature.test.ts` | Pairwise & Multi-Subsystem Cross-Feature Integrations | 8 tests | 100% (8/8) |
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| **Tier 4** | `tests/e2e-parity/tier4-real-world-scenarios.test.ts` | Authentic Full-Lifecycle Gameplay Scenarios | 5 tests | 100% (5/5) |
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| **Legacy** | `tests/frontend-flow.test.ts` | Battle.net Frontend Flow & Asset Verification | 6 tests | 100% (6/6) |
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| **Legacy** | `tests/netproto-bncs-packets.test.ts` | BNCS Packet Encoders/Decoders | 4 tests | 100% (4/4) |
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| **Legacy** | `tests/netproto-online-flow.test.ts` | Online Flow Integration | 2 tests | 100% (2/2) |
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| **Legacy** | `tests/e2e-bnet-create-account.test.ts` | Headless Chromium Browser E2E Account Flow | 1 test | 100% (1/1) |
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| **Total** | — | **Full Test Suite** | **122 tests** | **100% (122/122)** |
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---
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## 3. Subsystem Batch Coverage Matrix (Tiers 1 & 2)
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Each of the 8 subsystem batches has dedicated 6 primary feature tests and 6 edge/boundary tests:
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1. **Batch 1 (Issues #562–#579: Engine Timing, Coordinates & Math)**:
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- 25Hz tick accumulator (40ms ticks), sub-frame delta accumulation, isometric 2:1 projection math, sub-tile conversions, and diminishing return curves.
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2. **Batch 2 (Issues #580–#597: Collision Layer, Floor Grid & Walkability)**:
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- Universal DT1 loading (`Blank.dt1`, `InvisWal.dt1`, `Warp.dt1`), multi-flag collision masks, void collision blocking, and dynamic entity footprint reservation.
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3. **Batch 3 (Issues #598–#615: Player Movement, Pathing & Action States)**:
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- Posture modes (walk, run, town neutral, town walk), pathing waypoint queues, stamina consumption, and collision obstruction stoppage.
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4. **Batch 4 (Issues #616–#633: Character & Monster Animation / DCC Pipeline)**:
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- DCC direction alignment (8/16/32 directions), animation clip pacing, 1.13c FCR/IAS speed formulas, and cast overlay alignment.
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5. **Batch 5 (Issues #634–#651: Renderer & DT1 Tile Pipeline)**:
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- DT1 block layout decoding (sub-blocks 0..24), SplitMix64 spatial hashing (no periodic stripe artifacts), Bresenham LOS raycasting, and missile projectile physics.
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6. **Batch 6 (Issues #652–#669: UI, HUD, Inventory & Tooltip Systems)**:
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- Grid container placement, item bridging (`onlineItemDataToUiInventoryItem`), bilingual tooltips, belt drink commands, and weapon swap toggling.
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7. **Batch 7 (Issues #670–#703: Network Packet Sync & Message Serialization)**:
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- Authoritative C2S/S2C packet size validation, S2C movement packet parsing, Battle.net character name filtering, and corpse assignment tracking.
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8. **Batch 8 (Issues #704–#712: Tools, Asset Manifest & Headless Auditing)**:
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- Asset manifest integrity, fail-fast DT1 library audits, and headless level audit verification.
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---
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## 4. Cross-Feature & Gameplay Scenarios (Tiers 3 & 4)
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- **Tier 3 (8 Interactions)**:
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- X1: Movement + Weapon Swap + Skill Cast
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- X2: Collision Grid + Teleport + Town Portal
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- X3: Missile Trajectory + Wall Collision + Impact Overlay
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- X4: S2C Server Correction + Unit Motion Synchronization
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- X5: Item Drop + Inventory Placement + Tooltip Stat Generation
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- X6: Character Selection + Account Validation + Flame Anchor
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- X7: Line-of-Sight Raycast + Viewport Coordinate Culling
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- X8: Stamina / Posture Toggle + Block Chance Degradation
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- **Tier 4 (5 Full Scenarios)**:
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- Scenario 1: Blood Moor Clearing (Town departure, terrain navigation, combat against Fallen, and potion recovery)
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- Scenario 2: Den of Evil Completion (Cave exploration, room visibility, monster clearing count 5 -> 0, and quest completion flag)
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- Scenario 3: Countess Tower Run (Multi-floor cellar descent 21 -> 25, superunique fight, rune drop to ground, pickup into inventory)
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- Scenario 4: Tristram Rescue (Red portal transition 4 -> 38, Griswold combat & movement kiting, Deckard Cain cage interaction & quest update)
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- Scenario 5: Act Boss Kill: Andariel (Catacombs L4 chamber entry, poison spray mechanics & vulnerability, Andariel defeat, Act 1 quest complete, Act 2 Lut Gholein transition)
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---
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## 5. Verification Commands
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```bash
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# Verify the entire 4-tier parity suite (109 tests)
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npx vitest run tests/e2e-parity/
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# Verify legacy test suites (13 tests)
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npx vitest run tests/frontend-flow.test.ts tests/netproto-bncs-packets.test.ts tests/netproto-online-flow.test.ts tests/e2e-bnet-create-account.test.ts
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```
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All tests pass cleanly with zero warnings and zero flakes.
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