test: establish WP4-07 visual performance red harness

2026-08-03 19:15:58 +08:00
parent 4d1ec8ba7e
commit 40ecf0414a
10 changed files with 1172 additions and 2 deletions
@@ -0,0 +1,49 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+
+import {
+  WP4_07_PERFORMANCE_BUDGETS,
+  WP4_07_RED_RESOURCE_VERSION,
+  WP4_07_VISUAL_THRESHOLDS,
+  assertWp407Fixture,
+  createWp407CanvasFixture,
+} from "./wp4-07-fixture.mjs";
+
+test("FX-CANVAS-50 stays fixed at the normative composition and export size", () => {
+  const contract = assertWp407Fixture();
+  assert.deepEqual(contract.counts, {
+    color_card: 4,
+    dynamic_sticker: 10,
+    static_sticker: 24,
+    text_template: 12,
+  });
+  assert.match(contract.fixture_sha256, /^[0-9A-F]{64}$/);
+});
+
+test("visual and performance thresholds cannot be weakened by the harness", () => {
+  assert.deepEqual(WP4_07_VISUAL_THRESHOLDS, {
+    boundary_delta_px_max: 2,
+    channel_delta_significant: 16,
+    significant_pixel_ratio_max: 0.01,
+  });
+  assert.deepEqual(WP4_07_PERFORMANCE_BUDGETS, {
+    autosave_serialization_p95_ms_max: 50,
+    canvas_frame_p95_ms_max: 33,
+    continuous_unresponsive_ms_max_exclusive: 500,
+    editor_reopen_ms_max: 3_000,
+    export_1080x1920_ms_max: 10_000,
+    export_peak_additional_bytes_max: 1_073_741_824,
+    interaction_duration_ms: 10_000,
+    long_task_ms_max: 200,
+    measured_runs: 5,
+    pointer_to_frame_p95_ms_max: 50,
+    warmup_runs: 1,
+  });
+});
+
+test("the Red contract resource version is structurally barred from Green", () => {
+  const canvas = createWp407CanvasFixture();
+  assert.equal(new Set(canvas.elements.map((element) => element.resource_version)).size, 1);
+  assert.equal(canvas.elements[0].resource_version, WP4_07_RED_RESOURCE_VERSION);
+  assert.match(WP4_07_RED_RESOURCE_VERSION, /red-contract/);
+});