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Feature: stub with substitute implementation
You can stub an implementation of a method (a.k.a. fake) by passing a block
to the `stub` method.
Scenario: stub implementation using `expect` syntax
Given a file named "stub_implementation_spec.rb" with:
"""ruby
describe "a stubbed implementation" do
it "works" do
object = Object.new
allow(object).to receive(:foo) do |arg|
if arg == :this
"got this"
elsif arg == :that
"got that"
end
end
expect(object.foo(:this)).to eq("got this")
expect(object.foo(:that)).to eq("got that")
end
end
"""
When I run `rspec stub_implementation_spec.rb`
Then the output should contain "1 example, 0 failures"
Scenario: stub implementation using `should` syntax
Given a file named "stub_implementation_spec.rb" with:
"""ruby
describe "a stubbed implementation" do
it "works" do
object = Object.new
object.stub(:foo) do |arg|
if arg == :this
"got this"
elsif arg == :that
"got that"
end
end
object.foo(:this).should eq("got this")
object.foo(:that).should eq("got that")
end
end
"""
When I run `rspec stub_implementation_spec.rb`
Then the output should contain "1 example, 0 failures"
|
