[英]Rails/Rspec - How to stub a model method inside of a controller test?
我有一個控制器方法,可以隨機返回不同的對象。 我該如何對隨機化方法進行存根處理,使其始終返回true或false,以便測試響應?
控制器示例:
class TaskController
def next
if(Tasks.assign_random_test?)
Tasks.next_test
else
Tasks.next_task
end
end
end
ActiveRecord模型:
class Tasks << ActiveRecord::Base
def self.assign_random_test?
rand() > 0.899
end
def self.next_test
# ...
end
def self.next_task
# ...
end
end
RSpec測試
RSpec.describe TaskController, type :controller do
it 'can return a test task' do
# force random method to return true here?
end
end
allow(Tasks).to receive(:assign_random_test?)。and_return(true)
RSpec.describe TaskController, type :controller do
describe '#next' do
before do
allow(Tasks).to receive(:assign_random_test?).and_return(true)
end
context 'when assign_random_test' do
it 'should return result' do
#your test here
end
end
context 'when not assign_random_test' do
before do
allow(Tasks).to receive(:assign_random_test?).and_return(false)
end
it 'should return result' do
#your test here
end
end
end
end
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