[英]Django rest framework: Unit testing post request gets status code 400
[英]django rest framework - POST request causes 400 status code
我正在嘗試執行POST請求以創建文章,但出現此錯誤, Request failed with status code 400 Bad Request: /api/articles/create/
。
文章需要創建3個屬性:
(1)標題
(2)身體
(3)作者(當前用戶)
由於POST請求進入ArticleCreateView
類的post
方法,因此路由器工作正常。 但是我猜測出於某種原因serializer.is_valid()
返回False
。 同樣print(request.data)
返回{'title': 'hello', 'body': 'stuff'}
關於Django的另一個奧秘是,序列化程序如何知道我是否要獲取,創建或更新某些內容? 在我所看到的所有示例中,串行器似乎都知道這一點。
class ArticleCreateView(CreateAPIView):
permission_classes = [IsAuthenticated]
def post(self, request):
serializer = ArticleSerializer(data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data)
return Response(serializer.errors)
class ArticleSerializer(serializers.ModelSerializer):
class Meta:
model = Article
fields = '__all__'
def create(self, validated_data):
author = self.context['request'].user
title = validated_data.get('title')
body = validated_data.get('body')
return Article.objects.create(author=author, title=title, body=body)
class Article(models.Model):
author = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
title = models.CharField(max_length=100)
body = models.TextField(max_length=100)
date_updated = models.DateTimeField(auto_now=True)
date_created = models.DateTimeField(auto_now_add=True)
加上這個
serializer = ArticleSerializer(data=request.data, context={'request':request})
根據您的序列化器,驗證過程需要author
詳細信息,而這些信息不會通過POST有效負載傳遞。
因此,通過添加required=False
或使用ReadOnlyField()
或在Meta類中指定read_only_fields
,使序列化程序中的author
字段成為非必需字段。 還傳遞上下文數據,如@nishant所述
# views.py
class ArticleCreateView(CreateAPIView):
permission_classes = [IsAuthenticated]
def post(self, request):
serializer = ArticleSerializer(data=request.data, context={"request": request}) # change here
if serializer.is_valid():
serializer.save()
return Response(serializer.data)
return Response(serializer.errors)
# serializer.py
class ArticleSerializer(serializers.ModelSerializer):
class Meta:
model = Article
fields = '__all__'
read_only_fields = ('author',)
def create(self, validated_data):
author = self.context['request'].user
title = validated_data.get('title')
body = validated_data.get('body')
return Article.objects.create(author=author, title=title, body=body)
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.