chore: import upstream snapshot with attribution

tests/unit/compression/rtk-verify.test.ts

@@ -0,0 +1,78 @@
+import { describe, it } from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+import { loadRtkFilters, runRtkFilterTests } from "../../../open-sse/services/compression/index.ts";
+
+const RTK_FIXTURES = path.join(path.dirname(fileURLToPath(import.meta.url)), "fixtures", "rtk");
+const PARITY_FILTER_IDS = [
+  "git-branch",
+  "make",
+  "terraform-plan",
+  "tofu-plan",
+  "docker-logs",
+  "systemctl-status",
+  "biome",
+  "prettier",
+  "turbo",
+  "nx",
+  "playwright",
+  "ruff",
+  "mypy",
+  "pip",
+  "uv-sync",
+  "poetry-install",
+  "test-go",
+  "golangci-lint",
+  "test-cargo",
+  "bundle-install",
+  "rubocop",
+  "aws",
+  "gcloud",
+  "ssh",
+  "rsync",
+  "curl",
+  "wget",
+  "shell-grep",
+  "shell-find",
+  "ps",
+  "df",
+  "du",
+  "build-webpack",
+  "build-vite",
+  "npm-audit",
+  "error-stacktrace",
+];
+
+describe("RTK verify and benchmark gate", () => {
+  it("requires inline tests for every builtin filter", () => {
+    const filters = loadRtkFilters({ refresh: true, customFiltersEnabled: false });
+    const result = runRtkFilterTests({ requireAll: true, customFiltersEnabled: false });
+
+    assert.ok(filters.length >= 35);
+    assert.equal(result.filtersWithoutTests.length, 0);
+    assert.equal(result.passed, true);
+    assert.ok(result.outcomes.length >= filters.length);
+  });
+
+  it("reports benchmark savings by category without shell, network, or DB", () => {
+    const result = runRtkFilterTests({ requireAll: true, customFiltersEnabled: false });
+
+    assert.ok(result.benchmark.length >= 5);
+    assert.ok(result.benchmark.some((row) => row.category === "test" && row.tests > 0));
+    assert.ok(result.benchmark.some((row) => row.category === "build" && row.filters > 0));
+    for (const row of result.benchmark) {
+      assert.ok(Number.isFinite(row.averageSavingsPercent));
+    }
+  });
+
+  it("ships fixture samples for the parity filter expansion", () => {
+    for (const id of PARITY_FILTER_IDS) {
+      const fixturePath = path.join(RTK_FIXTURES, `${id}-sample.txt`);
+      assert.ok(fs.existsSync(fixturePath), `missing fixture for ${id}`);
+      assert.ok(fs.readFileSync(fixturePath, "utf8").trim().length > 0);
+    }
+  });
+});