Fix KB list bugs and add web api test (#3649)

### What problem does this PR solve?

1. Read KB list path parameter, page_number and page_size, which type
isn't int
2. Add cases on create / list / delete datasets.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [x] Test cases

Signed-off-by: jinhai <haijin.chn@gmail.com>

sdk/python/test/test_frontend_api/test_dataset.py

@@ -1,10 +1,63 @@
-from common import HOST_ADDRESS
+from common import HOST_ADDRESS, create_dataset, list_dataset, rm_dataset
 import requests
-def test_create_dataset(get_auth):
-    authorization={"Authorization": get_auth}
-    url = f"{HOST_ADDRESS}/v1/kb/create"
-    json = {"name":"test_create_dataset"}
-    res = requests.post(url=url,headers=authorization,json=json)
-    res = res.json()
-    assert res.get("code") == 0,f"{res.get('message')}"
 
+
+def test_dataset(get_auth):
+    # create dataset
+    res = create_dataset(get_auth, "test_create_dataset")
+    assert res.get("code") == 0, f"{res.get('message')}"
+
+    # list dataset
+    page_number = 1
+    dataset_list = []
+    while True:
+        res = list_dataset(get_auth, page_number)
+        data = res.get("data")
+        for item in data:
+            dataset_id = item.get("id")
+            dataset_list.append(dataset_id)
+        if len(dataset_list) < page_number * 150:
+            break
+        page_number += 1
+
+    print(f"found {len(dataset_list)} datasets")
+    # delete dataset
+    for dataset_id in dataset_list:
+        res = rm_dataset(get_auth, dataset_id)
+        assert res.get("code") == 0, f"{res.get('message')}"
+    print(f"{len(dataset_list)} datasets are deleted")
+
+
+def test_dataset_1k_dataset(get_auth):
+    # create dataset
+    authorization = {"Authorization": get_auth}
+    url = f"{HOST_ADDRESS}/v1/kb/create"
+    for i in range(1000):
+        res = create_dataset(get_auth, f"test_create_dataset_{i}")
+        assert res.get("code") == 0, f"{res.get('message')}"
+
+    # list dataset
+    page_number = 1
+    dataset_list = []
+    while True:
+        res = list_dataset(get_auth, page_number)
+        data = res.get("data")
+        for item in data:
+            dataset_id = item.get("id")
+            dataset_list.append(dataset_id)
+        if len(dataset_list) < page_number * 150:
+            break
+        page_number += 1
+
+    print(f"found {len(dataset_list)} datasets")
+    # delete dataset
+    for dataset_id in dataset_list:
+        res = rm_dataset(get_auth, dataset_id)
+        assert res.get("code") == 0, f"{res.get('message')}"
+    print(f"{len(dataset_list)} datasets are deleted")
+
+# delete dataset
+# create invalid name dataset
+# update dataset with different parameters
+# create duplicated name dataset
+#