Initial Commit

packages/networking/drive/drive-mesh-protocol/tests/error-codes.spec-conformance.test.ts

@@ -0,0 +1,48 @@
+/**
+ * DMP error-codes spec-conformance — `DMP_CODES` is frozen and every
+ * thrown `DmpError` references a code from the registry.
+ */
+
+import { describe, expect, it } from "@suaveplan/testing/runner";
+import { DMP_CODES, DmpError } from "../src/index.js";
+
+describe("DMP_CODES is frozen", () => {
+    it("DMP_CODES is frozen", { timeout: 5000 }, () => {
+        expect(Object.isFrozen(DMP_CODES)).toBe(true);
+    });
+
+    it("every value is namespaced under DMP.", { timeout: 5000 }, () => {
+        for (const v of Object.values(DMP_CODES)) {
+            expect(v).toMatch(/^DMP\./);
+        }
+    });
+
+    it("every code can construct a DmpError that preserves it", {
+        timeout: 5000,
+    }, () => {
+        for (const code of Object.values(DMP_CODES)) {
+            const e = new DmpError(code, "ok");
+            expect(e.code).toBe(code);
+        }
+    });
+
+    it("registry contains the codes the codecs/trust modules throw", {
+        timeout: 5000,
+    }, () => {
+        const expected = [
+            "EMPTY_REQUEST",
+            "UNKNOWN_REQUEST_KIND",
+            "MAX_CHUNKS_EXCEEDED",
+            "BITSET_LENGTH_MISMATCH",
+            "BITSET_PADDING_NONZERO",
+            "UNORDERED_RESPONSE",
+            "GENERATION_STALE",
+            "CODEC_MISMATCH",
+            "ENVELOPE_MALFORMED",
+            "THROTTLE_EXCEEDED",
+        ] as const;
+        for (const k of expected) {
+            expect(DMP_CODES).toHaveProperty(k);
+        }
+    });
+});