update api_server and its tests

test/api_server.py

@@ -8,12 +8,10 @@ app = Flask(__name__)
 data structure:
     users_dict = {
         'uid1': {
-            'uid': 'uid1',
             'name': 'name1',
             'password': 'pwd1'
         },
         'uid2': {
-            'uid': 'uid2',
             'name': 'name2',
             'password': 'pwd2'
         }
@@ -21,28 +19,102 @@ data structure:
 """
 users_dict = {}
 
-@app.route('/api/user/clear')
-def clear_users():
-    users_dict.clear()
-    return "ok"
-
-@app.route('/api/user/add', methods=['POST'])
-def add_user():
-    user = request.get_json()
-    users_dict[user["uid"]] = user
-    return "ok"
-
-@app.route('/api/user/<int:uid>')
-def get_user(uid):
-    user = users_dict.get(uid, {})
-    response = make_response(json.dumps(user))
+@app.route('/api/users')
+def get_users():
+    users_list = [user for uid, user in users_dict.items()]
+    users = {
+        'success': True,
+        'count': len(users_list),
+        'items': users_list
+    }
+    response = make_response(json.dumps(users))
     response.headers["Content-Type"] = "application/json"
     return response
 
-@app.route('/api/user/<int:uid>', methods=['DELETE'])
-def delete_user(uid):
-    user = users_dict.pop(uid, None)
-    if user:
-        return "ok"
+@app.route('/api/users', methods=['DELETE'])
+def clear_users():
+    users_dict.clear()
+    result = {
+        'success': True
+    }
+    response = make_response(json.dumps(result))
+    response.headers["Content-Type"] = "application/json"
+    return response
+
+@app.route('/api/users/<int:uid>', methods=['POST'])
+def create_user(uid):
+    user = request.get_json()
+    if uid not in users_dict:
+        result = {
+            'success': True,
+            'msg': "user created successfully."
+        }
+        status_code = 201
+        users_dict[uid] = user
     else:
-        return "not_existed"
+        result = {
+            'success': False,
+            'msg': "user already existed."
+        }
+        status_code = 500
+
+    response = make_response(json.dumps(result), status_code)
+    response.headers["Content-Type"] = "application/json"
+    return response
+
+@app.route('/api/users/<int:uid>')
+def get_user(uid):
+    user = users_dict.get(uid, {})
+    if user:
+        result = {
+            'success': True,
+            'data': user
+        }
+        status_code = 200
+    else:
+        result = {
+            'success': False,
+            'data': user
+        }
+        status_code = 404
+
+    response = make_response(json.dumps(result), status_code)
+    response.headers["Content-Type"] = "application/json"
+    return response
+
+@app.route('/api/users/<int:uid>', methods=['PUT'])
+def update_user(uid):
+    user = users_dict.get(uid, {})
+    if user:
+        user = request.get_json()
+        success = True
+        status_code = 200
+    else:
+        success = False
+        status_code = 404
+
+    result = {
+        'success': success,
+        'data': user
+    }
+    response = make_response(json.dumps(result), status_code)
+    response.headers["Content-Type"] = "application/json"
+    return response
+
+@app.route('/api/users/<int:uid>', methods=['DELETE'])
+def delete_user(uid):
+    user = users_dict.pop(uid, {})
+    if user:
+        success = True
+        status_code = 200
+    else:
+        success = False
+        status_code = 404
+
+    result = {
+        'success': success,
+        'data': user
+    }
+    response = make_response(json.dumps(result), status_code)
+    response.headers["Content-Type"] = "application/json"
+    return response