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# frozen_string_literal: true
RSpec.describe RuboCop::AST::WhileNode do
let(:while_node) { parse_source(source).ast }
describe '.new' do
context 'with a statement while' do
let(:source) { 'while foo; bar; end' }
it { expect(while_node.is_a?(described_class)).to be(true) }
end
context 'with a modifier while' do
let(:source) { 'begin foo; end while bar' }
it { expect(while_node.is_a?(described_class)).to be(true) }
end
end
describe '#keyword' do
let(:source) { 'while foo; bar; end' }
it { expect(while_node.keyword).to eq('while') }
end
describe '#inverse_keyword' do
let(:source) { 'while foo; bar; end' }
it { expect(while_node.inverse_keyword).to eq('until') }
end
describe '#do?' do
context 'with a do keyword' do
let(:source) { 'while foo do; bar; end' }
it { expect(while_node.do?).to be_truthy }
end
context 'without a do keyword' do
let(:source) { 'while foo; bar; end' }
it { expect(while_node.do?).to be_falsey }
end
end
describe '#post_condition_loop?' do
context 'with a statement while' do
let(:source) { 'while foo; bar; end' }
it { expect(while_node.post_condition_loop?).to be_falsey }
end
context 'with a modifier while' do
let(:source) { 'begin foo; end while bar' }
it { expect(while_node.post_condition_loop?).to be_truthy }
end
end
describe '#loop_keyword?' do
context 'with a statement while' do
let(:source) { 'while foo; bar; end' }
it { expect(while_node.loop_keyword?).to be_truthy }
end
context 'with a modifier while' do
let(:source) { 'begin foo; end while bar' }
it { expect(while_node.loop_keyword?).to be_truthy }
end
end
end
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