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# frozen_string_literal: true
RSpec.describe RuboCop::AST::ArrayNode do
let(:array_node) { parse_source(source).ast }
describe '.new' do
let(:source) { '[]' }
it { expect(array_node.is_a?(described_class)).to be(true) }
end
describe '#values' do
context 'with an empty array' do
let(:source) { '[]' }
it { expect(array_node.values.empty?).to be(true) }
end
context 'with an array of literals' do
let(:source) { '[1, 2, 3]' }
it { expect(array_node.values.size).to eq(3) }
it { expect(array_node.values).to all(be_literal) }
end
context 'with an array of variables' do
let(:source) { '[foo, bar]' }
it { expect(array_node.values.size).to eq(2) }
it { expect(array_node.values).to all(be_send_type) }
end
end
describe '#each_value' do
let(:source) { '[1, 2, 3]' }
context 'with block' do
it { expect(array_node.each_value {}.is_a?(described_class)).to be(true) }
it do
ret = []
array_node.each_value { |i| ret << i.to_s }
expect(ret).to eq(['(int 1)', '(int 2)', '(int 3)'])
end
end
context 'without block' do
it { expect(array_node.each_value.is_a?(Enumerator)).to be(true) }
end
end
describe '#square_brackets?' do
context 'with square brackets' do
let(:source) { '[1, 2, 3]' }
it { expect(array_node.square_brackets?).to be_truthy }
end
context 'with a percent literal' do
let(:source) { '%w(foo bar)' }
it { expect(array_node.square_brackets?).to be_falsey }
end
end
describe '#percent_literal?' do
context 'with square brackets' do
let(:source) { '[1, 2, 3]' }
it { expect(array_node.percent_literal?).to be_falsey }
it { expect(array_node.percent_literal?(:string)).to be_falsey }
it { expect(array_node.percent_literal?(:symbol)).to be_falsey }
end
context 'with a string percent literal' do
let(:source) { '%w(foo bar)' }
it { expect(array_node.percent_literal?).to be_truthy }
it { expect(array_node.percent_literal?(:string)).to be_truthy }
it { expect(array_node.percent_literal?(:symbol)).to be_falsey }
end
context 'with a symbol percent literal' do
let(:source) { '%i(foo bar)' }
it { expect(array_node.percent_literal?).to be_truthy }
it { expect(array_node.percent_literal?(:string)).to be_falsey }
it { expect(array_node.percent_literal?(:symbol)).to be_truthy }
end
end
describe '#bracketed?' do
context 'with square brackets' do
let(:source) { '[1, 2, 3]' }
it { expect(array_node.bracketed?).to be(true) }
end
context 'with a percent literal' do
let(:source) { '%w(foo bar)' }
it { expect(array_node.bracketed?).to be(true) }
end
context 'unbracketed' do
let(:array_node) do
parse_source('foo = 1, 2, 3').ast.to_a.last
end
it { expect(array_node.bracketed?).to be(nil) }
end
end
end
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