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Feature: Mocking with `rspec`
RSpec uses its own mocking framework by default. You can also configure it
explicitly if you wish.
Scenario: Passing message expectation
Given a file named "example_spec.rb" with:
"""ruby
RSpec.configure do |config|
config.mock_with :rspec
end
RSpec.describe "mocking with RSpec" do
it "passes when it should" do
receiver = double('receiver')
expect(receiver).to receive(:message)
receiver.message
end
end
"""
When I run `rspec example_spec.rb`
Then the examples should all pass
Scenario: Failing message expectation
Given a file named "example_spec.rb" with:
"""ruby
RSpec.configure do |config|
config.mock_with :rspec
end
RSpec.describe "mocking with RSpec" do
it "fails when it should" do
receiver = double('receiver')
expect(receiver).to receive(:message)
end
end
"""
When I run `rspec example_spec.rb`
Then the output should contain "1 example, 1 failure"
Scenario: Failing message expectation in pending example (remains pending)
Given a file named "example_spec.rb" with:
"""ruby
RSpec.configure do |config|
config.mock_with :rspec
end
RSpec.describe "failed message expectation in a pending example" do
it "is listed as pending" do
pending
receiver = double('receiver')
expect(receiver).to receive(:message)
end
end
"""
When I run `rspec example_spec.rb`
Then the output should contain "1 example, 0 failures, 1 pending"
And the exit status should be 0
Scenario: Passing message expectation in pending example (fails)
Given a file named "example_spec.rb" with:
"""ruby
RSpec.configure do |config|
config.mock_with :rspec
end
RSpec.describe "passing message expectation in a pending example" do
it "fails with FIXED" do
pending
receiver = double('receiver')
expect(receiver).to receive(:message)
receiver.message
end
end
"""
When I run `rspec example_spec.rb`
Then the output should contain "FIXED"
Then the output should contain "1 example, 1 failure"
And the exit status should be 1
Scenario: Accessing `RSpec.configuration.mock_framework.framework_name`
Given a file named "example_spec.rb" with:
"""ruby
RSpec.configure do |config|
config.mock_with :rspec
end
RSpec.describe "RSpec.configuration.mock_framework.framework_name" do
it "returns :rspec" do
expect(RSpec.configuration.mock_framework.framework_name).to eq(:rspec)
end
end
"""
When I run `rspec example_spec.rb`
Then the examples should all pass
Scenario: Doubles may be used in generated descriptions
Given a file named "example_spec.rb" with:
"""ruby
RSpec.configure do |config|
config.mock_with :rspec
end
RSpec.describe "Testing" do
# Examples with no descriptions will default to RSpec-generated descriptions
it do
foo = double("Test")
expect(foo).to be foo
end
end
"""
When I run `rspec example_spec.rb`
Then the examples should all pass
|
