test: 添加一大堆测试文件

src/services/mcp/__tests__/channelPermissions.test.ts

@@ -0,0 +1,165 @@
+import { mock, describe, expect, test } from "bun:test";
+
+mock.module("src/utils/slowOperations.js", () => ({
+  jsonStringify: (v: unknown) => JSON.stringify(v),
+}));
+mock.module("src/services/analytics/growthbook.js", () => ({
+  getFeatureValue_CACHED_MAY_BE_STALE: () => false,
+}));
+
+const {
+  shortRequestId,
+  truncateForPreview,
+  PERMISSION_REPLY_RE,
+  createChannelPermissionCallbacks,
+} = await import("../channelPermissions");
+
+describe("shortRequestId", () => {
+  test("returns 5-char string from tool use ID", () => {
+    const result = shortRequestId("toolu_abc123");
+    expect(result).toHaveLength(5);
+  });
+
+  test("is deterministic (same input = same output)", () => {
+    const a = shortRequestId("toolu_abc123");
+    const b = shortRequestId("toolu_abc123");
+    expect(a).toBe(b);
+  });
+
+  test("different inputs produce different outputs", () => {
+    const a = shortRequestId("toolu_aaa");
+    const b = shortRequestId("toolu_bbb");
+    expect(a).not.toBe(b);
+  });
+
+  test("result contains only valid letters (no 'l')", () => {
+    const validChars = new Set("abcdefghijkmnopqrstuvwxyz");
+    for (let i = 0; i < 50; i++) {
+      const result = shortRequestId(`toolu_${i}`);
+      for (const ch of result) {
+        expect(validChars.has(ch)).toBe(true);
+      }
+    }
+  });
+
+  test("handles empty string", () => {
+    const result = shortRequestId("");
+    expect(result).toHaveLength(5);
+  });
+});
+
+describe("truncateForPreview", () => {
+  test("returns JSON string for object input", () => {
+    const result = truncateForPreview({ key: "value" });
+    expect(result).toBe('{"key":"value"}');
+  });
+
+  test("truncates to <=200 chars with ellipsis when input is long", () => {
+    const longObj = { data: "x".repeat(300) };
+    const result = truncateForPreview(longObj);
+    expect(result.length).toBeLessThanOrEqual(203); // 200 + '…'
+    expect(result.endsWith("…")).toBe(true);
+  });
+
+  test("returns short input unchanged", () => {
+    const result = truncateForPreview({ a: 1 });
+    expect(result).toBe('{"a":1}');
+    expect(result.endsWith("…")).toBe(false);
+  });
+
+  test("handles string input", () => {
+    const result = truncateForPreview("hello");
+    expect(result).toBe('"hello"');
+  });
+
+  test("handles null input", () => {
+    const result = truncateForPreview(null);
+    expect(result).toBe("null");
+  });
+
+  test("handles undefined input", () => {
+    const result = truncateForPreview(undefined);
+    // JSON.stringify(undefined) returns undefined, then .length throws → catch returns '(unserializable)'
+    expect(result).toBe("(unserializable)");
+  });
+});
+
+describe("PERMISSION_REPLY_RE", () => {
+  test("matches 'y abcde'", () => {
+    expect(PERMISSION_REPLY_RE.test("y abcde")).toBe(true);
+  });
+
+  test("matches 'yes abcde'", () => {
+    expect(PERMISSION_REPLY_RE.test("yes abcde")).toBe(true);
+  });
+
+  test("matches 'n abcde'", () => {
+    expect(PERMISSION_REPLY_RE.test("n abcde")).toBe(true);
+  });
+
+  test("matches 'no abcde'", () => {
+    expect(PERMISSION_REPLY_RE.test("no abcde")).toBe(true);
+  });
+
+  test("is case-insensitive", () => {
+    expect(PERMISSION_REPLY_RE.test("Y abcde")).toBe(true);
+    expect(PERMISSION_REPLY_RE.test("YES abcde")).toBe(true);
+  });
+
+  test("does not match without ID", () => {
+    expect(PERMISSION_REPLY_RE.test("yes")).toBe(false);
+  });
+
+  test("captures the ID from reply", () => {
+    const match = "y abcde".match(PERMISSION_REPLY_RE);
+    expect(match?.[2]).toBe("abcde");
+  });
+});
+
+describe("createChannelPermissionCallbacks", () => {
+  test("resolve returns false for unknown request ID", () => {
+    const cb = createChannelPermissionCallbacks();
+    expect(cb.resolve("unknown-id", "allow", "server")).toBe(false);
+  });
+
+  test("onResponse + resolve triggers handler", () => {
+    const cb = createChannelPermissionCallbacks();
+    let received: any = null;
+    cb.onResponse("test-id", (response) => {
+      received = response;
+    });
+    expect(cb.resolve("test-id", "allow", "test-server")).toBe(true);
+    expect(received).toEqual({
+      behavior: "allow",
+      fromServer: "test-server",
+    });
+  });
+
+  test("onResponse unsubscribe prevents resolve", () => {
+    const cb = createChannelPermissionCallbacks();
+    let called = false;
+    const unsub = cb.onResponse("test-id", () => {
+      called = true;
+    });
+    unsub();
+    expect(cb.resolve("test-id", "allow", "server")).toBe(false);
+    expect(called).toBe(false);
+  });
+
+  test("duplicate resolve returns false (already consumed)", () => {
+    const cb = createChannelPermissionCallbacks();
+    cb.onResponse("test-id", () => {});
+    expect(cb.resolve("test-id", "allow", "server")).toBe(true);
+    expect(cb.resolve("test-id", "allow", "server")).toBe(false);
+  });
+
+  test("is case-insensitive for request IDs", () => {
+    const cb = createChannelPermissionCallbacks();
+    let received: any = null;
+    cb.onResponse("ABC", (response) => {
+      received = response;
+    });
+    expect(cb.resolve("abc", "deny", "server")).toBe(true);
+    expect(received?.behavior).toBe("deny");
+  });
+});