test(cli): 更新测试用例以模拟空环境变量场景

- 在 knowledge chat 相关测试中加入 BAILIAN_WORKSPACE_ID 为空的环境变量模拟
- 在 knowledge search 相关测试中加入 BAILIAN_WORKSPACE_ID 为空的环境变量模拟
- 将 knowledge 相关测试中的部分环境变量由 undefined 改为空字符串以更准确模拟环境场景
- 保持测试逻辑不变，确保非零退出码及错误提示的正确性

packages/cli/tests/e2e/knowledge-chat.e2e.test.ts

@@ -56,17 +56,20 @@ describe("e2e: knowledge chat", () => {
   });
 
   test("缺少 --workspace-id 时非零退出并提示", async () => {
-    const { stderr, exitCode } = await runCli([
-      "knowledge",
-      "chat",
-      "--message",
-      "Hello",
-      "--agent-id",
-      "aid_test",
-      "--non-interactive",
-      "--output",
-      "json",
-    ]);
+    const { stderr, exitCode } = await runCli(
+      [
+        "knowledge",
+        "chat",
+        "--message",
+        "Hello",
+        "--agent-id",
+        "aid_test",
+        "--non-interactive",
+        "--output",
+        "json",
+      ],
+      { BAILIAN_WORKSPACE_ID: "" },
+    );
     expect(exitCode).not.toBe(0);
     expect(stderr).toMatch(/workspace.*required/i);
   });

packages/cli/tests/e2e/knowledge-search.e2e.test.ts

@@ -47,17 +47,20 @@ describe("e2e: knowledge search", () => {
   });
 
   test("缺少 --workspace-id 时非零退出并提示", async () => {
-    const { stderr, exitCode } = await runCli([
-      "knowledge",
-      "search",
-      "--query",
-      "test",
-      "--agent-id",
-      "aid_test",
-      "--non-interactive",
-      "--output",
-      "json",
-    ]);
+    const { stderr, exitCode } = await runCli(
+      [
+        "knowledge",
+        "search",
+        "--query",
+        "test",
+        "--agent-id",
+        "aid_test",
+        "--non-interactive",
+        "--output",
+        "json",
+      ],
+      { BAILIAN_WORKSPACE_ID: "" },
+    );
     expect(exitCode).not.toBe(0);
     expect(stderr).toMatch(/workspace.*required/i);
   });

packages/cli/tests/e2e/knowledge.e2e.test.ts

@@ -80,10 +80,10 @@ describe("e2e: knowledge retrieve errors", () => {
         "json",
       ],
       {
-        DASHSCOPE_API_KEY: undefined,
-        DASHSCOPE_ACCESS_TOKEN: undefined,
-        ALIBABA_CLOUD_ACCESS_KEY_ID: undefined,
-        ALIBABA_CLOUD_ACCESS_KEY_SECRET: undefined,
+        DASHSCOPE_API_KEY: "",
+        DASHSCOPE_ACCESS_TOKEN: "",
+        ALIBABA_CLOUD_ACCESS_KEY_ID: "",
+        ALIBABA_CLOUD_ACCESS_KEY_SECRET: "",
         BAILIAN_CONFIG_DIR: tmpdir(),
       },
     );