Initial Commit

packages/api-stack/api/api-migrations/tests/property.test.ts

@@ -0,0 +1,32 @@
+import { describe, it } from "@suaveplan/testing/runner";
+import fc from "fast-check";
+import { computeChecksum } from "../src/runner/runner.js";
+
+describe("property — SHA-256 checksum stability", () => {
+    it("identical content produces identical SHA-256", {
+        timeout: 30000,
+    }, () => {
+        fc.assert(
+            fc.property(fc.string(), (content) => {
+                const a = computeChecksum(content);
+                const b = computeChecksum(content);
+                return a === b && /^[0-9a-f]{64}$/.test(a);
+            })
+        );
+    });
+
+    it("different content produces different SHA-256", {
+        timeout: 30000,
+    }, () => {
+        fc.assert(
+            fc.property(
+                fc.string({ minLength: 1 }),
+                fc.string({ minLength: 1 }),
+                (a, b) => {
+                    if (a === b) return true;
+                    return computeChecksum(a) !== computeChecksum(b);
+                }
+            )
+        );
+    });
+});