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Contents
# frozen_string_literal: true
require_relative '../../spec_helper'
require_relative '../../../lib/rley/syntax/non_terminal'
# Load the class under test
require_relative '../../../lib/rley/gfg/start_vertex'
module Rley # Open this namespace to avoid module qualifier prefixes
module GFG # Open this namespace to avoid module qualifier prefixes
describe StartVertex do
let(:sample_nt) { Syntax::NonTerminal.new('NT') }
subject { StartVertex.new(sample_nt) }
context 'Initialization:' do
it 'should be created with a non-terminal symbol' do
expect { StartVertex.new(sample_nt) }.not_to raise_error
end
it 'should know its label' do
expect(sample_nt).to receive(:to_s).and_return('NT')
expect(subject.label).to eq('.NT')
end
end # context
context 'Provided services:' do
it 'should provide human-readable representation of itself' do
pattern = /^#<Rley::GFG::StartVertex:\d+ label="\.NT"/
expect(subject.inspect).to match(pattern)
end
end # context
end # describe
end # module
end # module
# End of file
Version data entries
11 entries across 11 versions & 1 rubygems