import json


def test_post_with_wrong_content_type(client):
    data = json.dumps({})
    response = client.post("/", data=data)
    assert response.status_code == 415


def test_post_with_empty_data(client):
    data = json.dumps({})
    response = client.post("/", data=data, content_type="application/json")
    assert response.status_code == 400


def test_post_with_data(client):
    data = json.dumps({"key": "abc", "val": "def"})
    response = client.post("/", data=data, content_type="application/json")
    assert response.status_code == 201
    assert response.get_json() == {
        "message": "Ok",
        "data": {"key": "abc", "val": "def"},
    }