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>

api/apps/kb_app.py

 @manager.route('/list', methods=['GET'])
 @login_required
 def list_kbs():
-    page_number = request.args.get("page", 1)
-    items_per_page = request.args.get("page_size", 150)
+    page_number = int(request.args.get("page", 1))
+    items_per_page = int(request.args.get("page_size", 150))
     orderby = request.args.get("orderby", "create_time")
     desc = request.args.get("desc", True)
     try:

sdk/python/test/conftest.py

 
 HOST_ADDRESS = os.getenv('HOST_ADDRESS', 'http://127.0.0.1:9380')
 
-def generate_random_email():
-    return 'user_' + ''.join(random.choices(string.ascii_lowercase + string.digits, k=8))+'@1.com'
+# def generate_random_email():
+#     return 'user_' + ''.join(random.choices(string.ascii_lowercase + string.digits, k=8))+'@1.com'
 
-EMAIL = generate_random_email()
+def generate_email():
+    return 'user_123@1.com'
+
+EMAIL = generate_email()
 # password is "123"
 PASSWORD='''ctAseGvejiaSWWZ88T/m4FQVOpQyUvP+x7sXtdv3feqZACiQleuewkUi35E16wSd5C5QcnkkcV9cYc8TKPTRZlxappDuirxghxoOvFcJxFU4ixLsD
 fN33jCHRoDUW81IH9zjij/vaw8IbVyb6vuwg6MX6inOEBRRzVbRYxXOu1wkWY6SsI8X70oF9aeLFp/PzQpjoe/YbSqpTq8qqrmHzn9vO+yvyYyvmDsphXe
 
 @pytest.fixture(scope="session")
 def get_auth():
-    register()
+    try:
+        register()
+    except Exception as e:
+        print(e)
     auth = login()
     return auth
 

sdk/python/test/test_frontend_api/common.py

 import os
-HOST_ADDRESS=os.getenv('HOST_ADDRESS', 'http://127.0.0.1:9380')
+import requests
+
+HOST_ADDRESS = os.getenv('HOST_ADDRESS', 'http://127.0.0.1:9380')
+
+def create_dataset(auth, dataset_name):
+    authorization = {"Authorization": auth}
+    url = f"{HOST_ADDRESS}/v1/kb/create"
+    json = {"name": dataset_name}
+    res = requests.post(url=url, headers=authorization, json=json)
+    return res.json()
+
+
+def list_dataset(auth, page_number):
+    authorization = {"Authorization": auth}
+    url = f"{HOST_ADDRESS}/v1/kb/list?page={page_number}"
+    res = requests.get(url=url, headers=authorization)
+    return res.json()
+
+
+def rm_dataset(auth, dataset_id):
+    authorization = {"Authorization": auth}
+    url = f"{HOST_ADDRESS}/v1/kb/rm"
+    json = {"kb_id": dataset_id}
+    res = requests.post(url=url, headers=authorization, json=json)
+    return res.json()

sdk/python/test/test_frontend_api/test_dataset.py

-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}
+
+
+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"
-    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')}"
+    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
+#