Textract - request parameters are part of the body

moto/textract/models.py

@@ -53,7 +53,7 @@ class TextractBackend(BaseBackend):
     ):
         if not document_location:
             raise InvalidParameterException()
-        job_id = uuid.uuid4()
+        job_id = str(uuid.uuid4())
         self.async_text_detection_jobs[job_id] = TextractJob({
             "Blocks": TextractBackend.BLOCKS,
             "DetectDocumentTextModelVersion": "1.0",

moto/textract/responses.py

@@ -27,7 +27,7 @@ class TextractResponse(BaseResponse):
 
     
     def start_document_text_detection(self):
-        params = self._get_params()
+        params = json.loads(self.body)
         document_location = params.get("DocumentLocation")
         client_request_token = params.get("ClientRequestToken")
         job_tag = params.get("JobTag")

tests/test_textract/test_textract.py

@@ -28,4 +28,4 @@ def test_start_document_text_detection():
         },
     )
 
-    raise Exception("NotYetImplemented")
+    resp.should.have.key("JobId")