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docs: migrate README to API-Doc-Convention (S2-cascade.libs test-lib)

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Restructured per ADR-0038 with Coverage-Statement-Block per Fault-
Injection-Audit-Convention. Topology auto-populated. Pre-commit hook
installed.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Axel Meyer
2026-05-16 16:48:30 +02:00
parent 6b2711d57f
commit 7f38a666f6
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README.md
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@@ -1,15 +1,76 @@
# sporel-lib-core.input-test
# lib-core.input-test
P.3.3 test-lib — validates `lib-core.input` v0.4.0 API contracts (BIND_MAP,
`was_action_released`, engine mouse-surface) via the `engine.test.*` assertion surface.
17 assertions total.
Test-lib for `lib-core.input` (Tests-as-Libs per ADR-0037).
- Lib-ID: `lib-core.input-test`
- Version: `0.1.0`
- Kind: `test-lib` (headless; M.run_tests(ctx) invoked by engine test-runner)
- Spec: `meta/docs/superpowers/specs/2026-05-12-p3-3-mouse-input-design.md`
**Version:** 0.1.0
**Lib-ID:** lib-core.input-test
**Requires:** lib-core.input v>=0.4.0
**Tags:** test, input
## Run
## Topology
<!-- topology:start (auto-generated; do not edit) -->
```mermaid
graph LR
this["lib-core.input-test"]
lib_core_input["lib-core.input"]
this --> lib_core_input
engine["engine.*"]
this --> engine
```
<!-- topology:end -->
## Coverage Statement
Per Fault-Injection-Audit-Convention (2026-05-16):
| Section | Assertion-Count | Coverage |
|---|---|---|
| Engine surface presence | 7 | `MOUSE_LEFT/RIGHT/MIDDLE` constants, `is_mouse_down`, `was_mouse_pressed`, `was_released`, `was_mouse_released` |
| `bind` mouse-strings | 1 | `action_count == 1` after `bind("click", {"mouse_left"})` |
| `bind` mixed key+mouse | 1 | `action_count == 2` after mixed bind `{"e", "mouse_left"}` |
| `bind` rejects unknown mouse-name | 3 | Lua error raised, message mentions bad string, no partial state mutation |
| Headless query stubs | 4 | `is_action_down`, `was_action_pressed`, `was_action_released` return false; `was_action_released` for unknown returns false |
| Key-only regression | 1 | `bind("walk_left", {"a","left"})` still works after BIND_MAP refactor |
| **TOTAL** | **17** | |
### Tested-Surface
- `input.bind` (mouse-string acceptance, mixed key+mouse, unknown-name rejection, atomicity)
- `input.action_count`
- `input.is_action_down` (bound action headless = false)
- `input.was_action_pressed`
- `input.was_action_released` (bound action headless = false; unknown action = false)
- Engine surface: `MOUSE_LEFT/RIGHT/MIDDLE`, `is_mouse_down`, `was_mouse_pressed`, `was_released`, `was_mouse_released` function presence
### Fault-Injection Audit (2026-05-16)
Verified via deliberate-mutation in fixture-mirror; mutations reverted after observation.
#### Caught Mutations
| # | Mutation | Caught by |
|---|---|---|
| M1 | `function M.was_action_released` renamed (API-break) | Runtime error "attempt to call a nil value (field 'was_action_released')" — test aborts after assertion 14 |
| M2 | `if not entries then return false end` changed to `return nil` | `was_action_released for unknown action returns false` fails (`not ok`, got nil) |
#### Uncaught Mutations (Gaps)
| # | Mutation | Why uncaught | Severity |
|---|---|---|---|
| M3 | Dispatch-swap in `was_action_released` for-loop (key-kind ↔ mouse-kind) | Headless: all input queries return false regardless of swapped dispatch — no real events differentiate the paths | Med |
**Resolution:** Headless-unreachable. Requires real key/mouse events. Future-Slice B: integration test with simulated input events. No cheap headless fill possible.
### Structurally Untestable
- Real keyboard/mouse event delivery — headless mode never produces input events.
- `was_action_released` dispatch correctness for key-kind vs mouse-kind binding — see Gap M3.
### Deferred
- Integration test with simulated input events (Future-Slice B).
## Running
Via `--test-libs=lib-core.input-test` (Smoke P0-S-batch Stage):
```bash
Sporel.exe --libs-dir=<libs-path> --test-libs=lib-core.input-test
@@ -17,26 +78,9 @@ Sporel.exe --libs-dir=<libs-path> --test-libs=lib-core.input-test
Output is TAP version 13 on stdout; exit-code = failure-count (0 = all pass).
## Coverage Statements (2026-05-16 Fault-Injection Audit)
## References
Verified via deliberate-mutation in fixture-mirror; mutations reverted after observation.
### Caught Mutations
| # | Mutation | Caught by |
|---|---|---|
| M1 | `function M.was_action_released` renamed to `M._was_action_released_disabled` (API-break) | Runtime error "attempt to call a nil value (field 'was_action_released')" — test aborts after assertion 14 |
| M2 | `if not entries then return false end` changed to `return nil` (wrong return type for unknown action) | Assertion "was_action_released for unknown action returns false" (ok 16) — `not ok`, got nil |
### Uncaught Mutations (Gaps)
| # | Mutation | Why uncaught | Severity |
|---|---|---|---|
| M3 | Dispatch-swap in `was_action_released` for-loop: key-kind entries call `was_mouse_released`, mouse-kind call `was_released` | Headless mode: all input queries return false regardless of correct vs swapped dispatch — no real events to differentiate the paths | Med |
**Resolution per Gap:**
- Gap M3: Headless-unreachable — requires real key/mouse events to distinguish `was_released` from `was_mouse_released`. Future-Slice B: integration test with simulated input events. No cheap headless fill possible.
### Tested Production-Lib Surface
`lib-core.input` v0.4.0 — Tests cover behavior of: `input.bind` (mouse-string acceptance, mixed key+mouse, unknown-name rejection, atomicity), `input.action_count`, `input.is_action_down`, `input.was_action_pressed`, `input.was_action_released` (bound action headless=false; unknown action=false). Engine surface assertions: `MOUSE_LEFT/RIGHT/MIDDLE` constants, `is_mouse_down`, `was_mouse_pressed`, `was_released`, `was_mouse_released` function presence.
- ADR-0037 (Tests-as-Libs Convention)
- ADR-0038 (API-Doc-Convention)
- Production-Lib: `~/Projects/Sporel/sporel-libs/lib-core/input/README.md`
- Spec: `meta/docs/superpowers/specs/2026-05-12-p3-3-mouse-input-design.md`