feat: add fixture import harness and conformance test framework for BitVid parity cases

packages/testing/test/conformance.test.js

@@ -0,0 +1,42 @@
+// Test the conformance utilities
+import { describe, it, expect } from "vitest";
+import { createFixture, runConformanceTest } from "../src/conformance.js";
+
+describe("conformance utilities", () => {
+  it("creates valid fixture objects", () => {
+    const fixture = createFixture(
+      "test-fixture",
+      {
+        adminState: { editors: [] },
+        trust: {},
+        reports: [],
+        trustedMutes: [],
+        overrides: {},
+      },
+      { type: "user", pubkey: "test" },
+      { visibility: "allow" }
+    );
+    
+    expect(fixture.name).toBe("test-fixture");
+    expect(fixture.state.adminState.editors).toEqual([]);
+    expect(fixture.target).toEqual({ type: "user", pubkey: "test" });
+    expect(fixture.expectation).toEqual({ visibility: "allow" });
+  });
+  
+  it("runs conformance tests", () => {
+    const fixture = createFixture(
+      "test-fixture",
+      {},
+      { type: "user", pubkey: "test" },
+      { visibility: "allow" }
+    );
+    
+    // Mock evaluator that always returns the expectation
+    const mockEvaluator = () => ({ visibility: "allow" });
+    
+    const result = runConformanceTest(fixture, mockEvaluator);
+    expect(result.passed).toBe(true);
+    expect(result.actual).toEqual({ visibility: "allow" });
+    expect(result.expected).toEqual({ visibility: "allow" });
+  });
+});