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require 'cucumber/core/test/step'
module Cucumber::Core::Test
describe Step do
describe "describing itself" do
let(:step_or_hook) { double }
before(:each) do
allow( step_or_hook ).to receive(:location)
end
it "describes itself to a visitor" do
visitor = double
args = double
test_step = Step.new([step_or_hook])
expect( visitor ).to receive(:test_step).with(test_step, args)
test_step.describe_to(visitor, args)
end
it "describes its source to a visitor" do
feature, scenario = double, double
visitor = double
args = double
expect( feature ).to receive(:describe_to).with(visitor, args)
expect( scenario ).to receive(:describe_to).with(visitor, args)
expect( step_or_hook ).to receive(:describe_to).with(visitor, args)
test_step = Step.new([feature, scenario, step_or_hook])
test_step.describe_source_to(visitor, args)
end
end
describe "executing" do
let(:ast_step) { double }
before(:each) do
allow( ast_step ).to receive(:location)
end
it "passes arbitrary arguments to the action's block" do
args_spy = nil
expected_args = [double, double]
test_step = Step.new([ast_step]).with_action do |*actual_args|
args_spy = actual_args
end
test_step.execute(*expected_args)
expect(args_spy).to eq expected_args
end
context "when a passing action exists" do
it "returns a passing result" do
test_step = Step.new([ast_step]).with_action {}
expect( test_step.execute ).to be_passed
end
end
context "when a failing action exists" do
let(:exception) { StandardError.new('oops') }
it "returns a failing result" do
test_step = Step.new([ast_step]).with_action { raise exception }
result = test_step.execute
expect( result ).to be_failed
expect( result.exception ).to eq exception
end
end
context "with no action" do
it "returns an Undefined result" do
test_step = Step.new([ast_step])
result = test_step.execute
expect( result ).to be_undefined
end
end
end
it "exposes the name and location of the AST step or hook as attributes" do
name, location = double, double
step_or_hook = double(name: name, location: location)
test_step = Step.new([step_or_hook])
expect( test_step.name ).to eq name
expect( test_step.location ).to eq location
end
it "exposes the location of the action as attribute" do
location = double
action = double(location: location)
test_step = Step.new([double], action)
expect( test_step.action_location ).to eq location
end
end
end
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