[英]Unsure how to pass data for Create method RSpec test
我正在为我的应用程序添加一些 Capybara/RSpec 测试,但在 controller 的创建方法中遇到了一些问题。
这是我的测试:
require 'rails_helper'
RSpec.describe Api::V1::CampgroundsController, type: :controller do
let(:campground_data) { FactoryBot.create :campground_1 }
let(:user) { FactoryBot.create :user_2 }
describe 'POST#create' do
it "admin should be able to create new campgrounds" do
sign_in user
before_count = Campground.count
post :create, params: campground_data, format: JSON
after_count = Campground.count
expect(after_count).to eq(before_count + 1)
end
end
end
营地 Controller - 创建方法:
def create
binding.pry
campground = Campground.new(campground_params)
if campground.save
render json: campground
else
render json: { errors: campground.errors.full_messages }
end
end
强参数:
def campground_params
params.require(:campground).permit([:name, :caption, :description, :location, :zip_code, :campground_link, :dogs_allowed, :electric_hookups, :water_hookups, :potable_water, :dump_station, :bathrooms, :showers])
end
当我运行测试时,它在这一行失败: post:create, params: campground_data, format: JSON
。 它踢回的错误是#Campground:0x00007f9887ca4910`的undefined method
symbolize_keys'
我已经被这个问题困住了很长一段时间,经过数小时的谷歌搜索、搜索文档和浏览旧帖子后,我仍然不确定问题出在哪里。 create 方法在生产中有效,但我不知道我需要做什么才能让它在 RSpec 中工作。 我假设我在传递数据的方式上做错了,但我不确定该怎么做。 我确实尝试使用 FactoryBot 创建露营地,然后执行以下操作:
campground = {
name: campground.name,
caption: campground.caption,
description: campground.description,
location: campground.location,
zip_code: campground.zip_code,
campground_link: campground.campground_link,
dogs_allowed: campground.dogs_allowed,
electric_hookups: campground.electric_hookups,
water_hookups: campground.water_hookups,
potable_water: campground.potable_water,
dump_station: campground.dump_station,
bathrooms: campground.bathrooms,
showers: campground.showers }
当我这样做时,我不再收到symbolize_keys
错误,并且我对 controller 进行了create
方法,但是当它到达这条线 campground campground = Campground.new(campground_params)
时,它会出现错误: ActionController::ParameterMissing: param is missing or the value is empty: campground
我主要尝试这种方式作为测试,但我认为这不是创建数据以传递给 controller 的正确方法。 我觉得我的第一种方法应该有效,并且是更清洁的方法......我只是无法弄清楚我做错了什么。
let(:campground_data) { FactoryBot.create :campground_1 }
已经在数据库中创建了一个Campground
并返回了新实例。 您会收到错误消息undefined method 'symbolize_keys' for #Campground:0x00007f9887ca4910
,因为测试期望作为参数传入的params
是 hash。
您可以使用FactoryBot.attributes_for
而不是FactoryBot.create
,它不会在数据库中创建实例,而是返回 hash,其中包含可用于创建此类记录的所有属性。
我会这样写规范:
let(:campground_attrs) { FactoryBot.attributes_for :campground_1 }
let(:user) { FactoryBot.create :user_2 }
describe 'POST#create' do
it "admin should be able to create new campgrounds" do
sign_in user
expect {
post :create, params: { campground: campground_attrs }, format: JSON
}.to change { Campground.count }.by(1)
end
end
通过创建这样的数据来修复它:
let!(:campground_data) { { campground: {
name: "Forked Lake Campground",
caption: "Rustic and remote campground. Almost all sites directly on lake. Many boat-in only.",
description: "Nice campground",
location: "New York",
zip_code: "12847",
campground_link: "https://www.dec.ny.gov/outdoor/24467.html",
dogs_allowed: true,
electric_hookups: false,
water_hookups: false,
potable_water: true,
dump_station: false,
bathrooms: true,
showers: false
} } }
这对我来说很有意义,尽管我真的不知道如何以对其他人有意义的方式来解释它。
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