Add dataframe column assertion

app/data_request.py

@@ -1,5 +1,7 @@
 from json import dump
+
 from requests import get
+
 from constants import FILES, URL
 
 
@@ -22,6 +24,7 @@ def save_json(data, dataset):
 def request_dataset(dataset):
     """
     Fetches the requested dataset from opendata's API
+    Raises an exception if there's an HTTP error
     """
     url = format_url(dataset)
     response = get(url)

app/preprocessing.py

@@ -1,6 +1,8 @@
 from json import load
-from pandas import json_normalize, DataFrame
-from constants import FILES, COLUMNS
+
+from pandas import DataFrame, json_normalize
+
+from constants import COLUMNS, FILES
 
 
 def open_json(dataset) -> dict:

constants.py

@@ -4,7 +4,6 @@ DATASETS = [
     "deconfinement-parking-relais-doublement-des-places",
 ]
 URL = "https://opendata.paris.fr/api/records/1.0/search/?dataset={}&q=&rows=-1"
-TEST_URL = "https://opendata.paris.fr/api/records/1.0/search/?dataset=deconfinement-pistes-cyclables-temporaires&rows=-1"
 FILES = {
     "deconfinement-pistes-cyclables-temporaires": "data/cycling-paths.json",
     "deconfinement-parking-relais-doublement-des-places": "data/relay-parking.json",

tests/preprocessing_test.py

@@ -1,9 +1,11 @@
-from constants import FILES, DATASETS, URL
-from app.preprocessing import create_dataframe
-from app.request_datasets import request_dataset
+from os import remove
+
 from pandas import DataFrame
 from requests import get
-from os import remove
+
+from app.preprocessing import create_dataframe
+from app.data_request import request_dataset
+from constants import COLUMNS, DATASETS, FILES, URL
 
 
 def test_dataset_request():
@@ -24,3 +26,4 @@ def test_dataframe_creation():
         df = create_dataframe(dataset)
         remove(FILES[dataset])
         assert isinstance(df, DataFrame)
+        assert all(df.columns == COLUMNS[dataset])