feat: unify group policy allowlists

src/signal/monitor.test.ts

@@ -0,0 +1,55 @@
+import { describe, expect, it } from "vitest";
+
+import { isSignalGroupAllowed } from "./monitor.js";
+
+describe("signal groupPolicy gating", () => {
+  it("allows when policy is open", () => {
+    expect(
+      isSignalGroupAllowed({
+        groupPolicy: "open",
+        allowFrom: [],
+        sender: "+15550001111",
+      }),
+    ).toBe(true);
+  });
+
+  it("blocks when policy is disabled", () => {
+    expect(
+      isSignalGroupAllowed({
+        groupPolicy: "disabled",
+        allowFrom: ["+15550001111"],
+        sender: "+15550001111",
+      }),
+    ).toBe(false);
+  });
+
+  it("blocks allowlist when empty", () => {
+    expect(
+      isSignalGroupAllowed({
+        groupPolicy: "allowlist",
+        allowFrom: [],
+        sender: "+15550001111",
+      }),
+    ).toBe(false);
+  });
+
+  it("allows allowlist when sender matches", () => {
+    expect(
+      isSignalGroupAllowed({
+        groupPolicy: "allowlist",
+        allowFrom: ["+15550001111"],
+        sender: "+15550001111",
+      }),
+    ).toBe(true);
+  });
+
+  it("allows allowlist wildcard", () => {
+    expect(
+      isSignalGroupAllowed({
+        groupPolicy: "allowlist",
+        allowFrom: ["*"],
+        sender: "+15550002222",
+      }),
+    ).toBe(true);
+  });
+});