[英]Rspec test call method send reconfirmation instruction
我正在使用 Rspec 来测试用户更改密码时的情况,将发送邮件。 我想检查是否只发送了 1 封邮件。 我不想使用Action::Mailer.deliveries
来检查,而是想检查是否调用了方法以及调用了多少。
在搜索时,我从 rspec mock 中找到了Test Spy
: https : //github.com/rspec/rspec-mocks#test-spies
describe 'PUT /email' do
include_context 'a user has signed in', { email: 'old-email@example.com', password: 'correct_password' }
context 'correct new email, correct password' do
before do
allow(user).to receive(:send_reconfirmation_instructions)
end
it do
should == 302
expect(user.reload.unconfirmed_email).to eq 'new-email@example.com'
expect(user).to receive(:send_reconfirmation_instructions).once
end
end
end
但我得到了错误:
Failure/Error: expect(user).to receive(:send_reconfirmation_instructions)
(#<User id: 1269, email: “old-email@example.com”, created_at: “2019-08-27 03:54:33", updated_at: “2019-08-27 03:54:33”...“>).send_reconfirmation_instructions(*(any args))
expected: 1 time with any arguments
received: 0 times with any arguments
send_reconfirmation_instructions
这个函数来自send_reconfirmation_instructions
: https : //github.com/plataformatec/devise/blob/master/lib/devise/models/confirmable.rb#L124-L130
我做了binding.pry
并且我确定这个函数内部的测试跳转但是 rspec 仍然失败。
编辑:我可以这样写:
describe 'PUT /email' do
include_context 'a user has signed in', { email: 'old-email@example.com', password: 'correct_password' }
context 'correct new email, correct password' do
before do
expect_any_instance_of(User).to receive(:send_reconfirmation_instructions).once
end
it do
should == 302
expect(user.reload.unconfirmed_email).to eq 'new-email@example.com'
# expect(user).to receive(:send_reconfirmation_instructions).once
end
end
end
但是我遇到了另一个错误:
Failure/Error:
(#<User user_id: 1418, email: “old-email@example.com”...“>).send_reconfirmation_instructions(#<User user_id: 1418, email: “old-email@example.com” ...“>)
expected: 1 time with any arguments
received: 2 times with arguments: (#<User user_id: 1418, email: “old-email@example.com”, id: 1323...“>)
您检查用户是否收到消息的行应为:
expect(user).to have_received(:send_reconfirmation_instructions).once
代替:
expect(user).to receive(:send_reconfirmation_instructions).once
前者你说expect(obj).to have_received(:msg)
要求你断言消息被调用,正如你打算做的那样。
另一方面,后者,你说expect(obj).to receive(:msg)
是一种在动作之前设置期望的方法,即代替allow(obj).to receive(:msg)
无需断言它是在操作之后调用的。 规范运行后,它会自动断言它是否被调用。
这解释了您在指定时遇到的错误
expect(user).to receive(:send_reconfirmation_instructions).once
因为在该行之后没有代码将该消息发送给user
,该消息在规范之后得到验证。
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