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require 'cucumber/core'
require 'cucumber/core/compiler'
require 'cucumber/core/gherkin/writer'
module Cucumber::Core
describe Compiler do
include Gherkin::Writer
include Cucumber::Core
def self.stubs(*names)
names.each do |name|
let(name) { double(name.to_s) }
end
end
it "compiles a feature with a single scenario" do
gherkin_documents = [
gherkin do
feature do
scenario do
step 'passing'
end
end
end
]
compile(gherkin_documents) do |visitor|
expect( visitor ).to receive(:test_case).once.ordered.and_yield(visitor)
expect( visitor ).to receive(:test_step).once.ordered
expect( visitor ).to receive(:done).once.ordered
end
end
it "compiles a feature with a background" do
gherkin_documents = [
gherkin do
feature do
background do
step 'passing'
end
scenario do
step 'passing'
end
end
end
]
compile(gherkin_documents) do |visitor|
expect( visitor ).to receive(:test_case).once.ordered.and_yield(visitor)
expect( visitor ).to receive(:test_step).exactly(2).times.ordered
expect( visitor ).to receive(:done).once.ordered
end
end
it "compiles multiple features" do
gherkin_documents = [
gherkin do
feature do
background do
step 'passing'
end
scenario do
step 'passing'
end
end
end,
gherkin do
feature do
background do
step 'passing'
end
scenario do
step 'passing'
end
end
end
]
compile(gherkin_documents) do |visitor|
expect( visitor ).to receive(:test_case).once.ordered
expect( visitor ).to receive(:test_step).twice.ordered
expect( visitor ).to receive(:test_case).once.ordered
expect( visitor ).to receive(:test_step).twice.ordered
expect( visitor ).to receive(:done).once
end
end
context "compiling scenario outlines" do
it "compiles a scenario outline to test cases" do
gherkin_documents = [
gherkin do
feature do
background do
step 'passing'
end
scenario_outline do
step 'passing <arg>'
step 'passing'
examples 'examples 1' do
row 'arg'
row '1'
row '2'
end
examples 'examples 2' do
row 'arg'
row 'a'
end
end
end
end
]
compile(gherkin_documents) do |visitor|
expect( visitor ).to receive(:test_case).exactly(3).times.and_yield(visitor)
expect( visitor ).to receive(:test_step).exactly(9).times
expect( visitor ).to receive(:done).once
end
end
it 'replaces arguments correctly when generating test steps' do
gherkin_documents = [
gherkin do
feature do
scenario_outline do
step 'passing <arg1> with <arg2>'
step 'as well as <arg3>'
examples do
row 'arg1', 'arg2', 'arg3'
row '1', '2', '3'
end
end
end
end
]
compile(gherkin_documents) do |visitor|
expect( visitor ).to receive(:test_step) do |test_step|
visit_source(test_step) do |source_visitor|
expect( source_visitor ).to receive(:step) do |step|
expect(step.name).to eq 'passing 1 with 2'
end
end
end.once.ordered
expect( visitor ).to receive(:test_step) do |test_step|
visit_source(test_step) do |source_visitor|
expect( source_visitor ).to receive(:step) do |step|
expect(step.name).to eq 'as well as 3'
end
end
end.once.ordered
expect( visitor ).to receive(:done).once.ordered
end
end
end
describe Compiler::FeatureCompiler do
let(:receiver) { double('receiver') }
let(:compiler) { Compiler::FeatureCompiler.new(receiver) }
context "a scenario with a background" do
stubs(:feature,
:background,
:background_step,
:scenario,
:scenario_step)
it "sets the source correctly on the test steps" do
expect( receiver ).to receive(:on_background_step).with(
[feature, background, background_step]
)
expect( receiver ).to receive(:on_step).with(
[feature, scenario, scenario_step]
)
expect( receiver ).to receive(:on_test_case).with(
[feature, scenario]
)
compiler.feature(feature) do |f|
f.background(background) do |b|
b.step background_step
end
f.scenario(scenario) do |s|
s.step scenario_step
end
end
end
end
context "a scenario outline" do
stubs(:feature,
:background,
:background_step,
:scenario_outline,
:outline_step,
:examples_table_1,
:examples_table_1_row_1,
:outline_ast_step,
:examples_table_2,
:examples_table_2_row_1,
)
it "sets the source correctly on the test steps" do
allow( outline_step ).to receive(:to_step) { outline_ast_step }
expect( receiver ).to receive(:on_step).with(
[feature, scenario_outline, examples_table_1, examples_table_1_row_1, outline_ast_step]
).ordered
expect( receiver ).to receive(:on_test_case).with(
[feature, scenario_outline, examples_table_1, examples_table_1_row_1]
).ordered
expect( receiver ).to receive(:on_step).with(
[feature, scenario_outline, examples_table_2, examples_table_2_row_1, outline_ast_step]
).ordered
expect( receiver ).to receive(:on_test_case).with(
[feature, scenario_outline, examples_table_2, examples_table_2_row_1]
).ordered
compiler.feature(feature) do |f|
f.scenario_outline(scenario_outline) do |o|
o.outline_step outline_step
o.examples_table(examples_table_1) do |t|
t.examples_table_row(examples_table_1_row_1)
end
o.examples_table(examples_table_2) do |t|
t.examples_table_row(examples_table_2_row_1)
end
end
end
end
end
end
def visit_source(node)
visitor = double.as_null_object
yield visitor
node.describe_source_to(visitor)
end
def compile(gherkin_documents)
visitor = double
allow( visitor ).to receive(:test_suite).and_yield(visitor)
allow( visitor ).to receive(:test_case).and_yield(visitor)
yield visitor
super(gherkin_documents, visitor)
end
end
end
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