refactor: preserve explicit mock voice-call values

extensions/voice-call/src/providers/mock.test.ts

@@ -0,0 +1,78 @@
+import { describe, expect, it } from "vitest";
+import type { WebhookContext } from "../types.js";
+import { MockProvider } from "./mock.js";
+
+function createWebhookContext(rawBody: string): WebhookContext {
+  return {
+    headers: {},
+    rawBody,
+    url: "http://localhost/voice/webhook",
+    method: "POST",
+    query: {},
+  };
+}
+
+describe("MockProvider", () => {
+  it("preserves explicit falsy event values", () => {
+    const provider = new MockProvider();
+    const result = provider.parseWebhookEvent(
+      createWebhookContext(
+        JSON.stringify({
+          events: [
+            {
+              id: "evt-error",
+              type: "call.error",
+              callId: "call-1",
+              timestamp: 0,
+              error: "",
+              retryable: false,
+            },
+            {
+              id: "evt-ended",
+              type: "call.ended",
+              callId: "call-2",
+              reason: "",
+            },
+            {
+              id: "evt-speech",
+              type: "call.speech",
+              callId: "call-3",
+              transcript: "",
+              isFinal: false,
+            },
+          ],
+        }),
+      ),
+    );
+
+    expect(result.events).toEqual([
+      {
+        id: "evt-error",
+        type: "call.error",
+        callId: "call-1",
+        providerCallId: undefined,
+        timestamp: 0,
+        error: "",
+        retryable: false,
+      },
+      {
+        id: "evt-ended",
+        type: "call.ended",
+        callId: "call-2",
+        providerCallId: undefined,
+        timestamp: expect.any(Number),
+        reason: "",
+      },
+      {
+        id: "evt-speech",
+        type: "call.speech",
+        callId: "call-3",
+        providerCallId: undefined,
+        timestamp: expect.any(Number),
+        transcript: "",
+        isFinal: false,
+        confidence: undefined,
+      },
+    ]);
+  });
+});