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|
require 'rspec/support/source'
module RSpec::Support
RSpec.describe Source, :if => RSpec::Support::RubyFeatures.ripper_supported? do
subject(:source) do
Source.new(source_string)
end
let(:source_string) { <<-END.gsub(/^ +\|/, '') }
|2.times do
| puts :foo
|end
END
# [:program,
# [[:method_add_block,
# [:call, [:@int, "2", [1, 0]], :".", [:@ident, "times", [1, 2]]],
# [:do_block,
# nil,
# [[:command,
# [:@ident, "puts", [2, 2]],
# [:args_add_block,
# [[:symbol_literal, [:symbol, [:@ident, "foo", [2, 8]]]]],
# false]]]]]]]
describe '.from_file', :isolated_directory do
subject(:source) do
Source.from_file(path)
end
let(:path) do
'source.rb'
end
before do
File.open(path, 'w') { |file| file.write(source_string) }
end
it 'returns a Source with the absolute path' do
expect(source.lines.first).to eq('2.times do')
expect(source.path).not_to eq(path)
expect(source.path).to end_with(path)
end
it 'continues to work if File.read is stubbed' do
allow(::File).to receive(:read).and_raise
expect(source.lines.first).to eq('2.times do')
end
end
describe '#lines' do
it 'returns an array of lines without linefeed' do
expect(source.lines).to eq([
'2.times do',
' puts :foo',
'end'
])
end
it 'returns an array of lines no matter the encoding' do
source_string << "\xAE"
encoded_string = source_string.force_encoding('US-ASCII')
expect(Source.new(encoded_string).lines).to eq([
'2.times do',
' puts :foo',
'end',
'?',
])
end
end
describe '#ast' do
it 'returns a root node' do
expect(source.ast).to have_attributes(:type => :program)
end
end
describe '#tokens' do
it 'returns an array of tokens' do
expect(source.tokens).to all be_a(Source::Token)
end
end
describe '#nodes_by_line_number' do
it 'returns a hash containing nodes for each line number' do
expect(source.nodes_by_line_number).to match(
1 =>
if RUBY_VERSION >= '2.6.0'
[
an_object_having_attributes(:type => :@int),
an_object_having_attributes(:type => :@period),
an_object_having_attributes(:type => :@ident)
]
else
[
an_object_having_attributes(:type => :@int),
an_object_having_attributes(:type => :@ident)
]
end,
2 => [
an_object_having_attributes(:type => :@ident),
an_object_having_attributes(:type => :@ident)
]
)
expect(source.nodes_by_line_number[0]).to be_empty
end
end
describe '#tokens_by_line_number' do
it 'returns a hash containing tokens for each line number' do
expect(source.tokens_by_line_number).to match(
1 => [
an_object_having_attributes(:type => :on_int),
an_object_having_attributes(:type => :on_period),
an_object_having_attributes(:type => :on_ident),
an_object_having_attributes(:type => :on_sp),
an_object_having_attributes(:type => :on_kw),
an_object_having_attributes(:type => :on_ignored_nl)
],
2 => [
an_object_having_attributes(:type => :on_sp),
an_object_having_attributes(:type => :on_ident),
an_object_having_attributes(:type => :on_sp),
an_object_having_attributes(:type => :on_symbeg),
an_object_having_attributes(:type => :on_ident),
an_object_having_attributes(:type => :on_nl)
],
3 => [
an_object_having_attributes(:type => :on_kw),
an_object_having_attributes(:type => :on_nl)
]
)
expect(source.tokens_by_line_number[0]).to be_empty
end
end
describe '#inspect' do
it 'returns a string including class name and file path' do
expect(source.inspect).to start_with('#<RSpec::Support::Source (string)>')
end
end
end
end
|
