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Versions: 12
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Stored size: 1.26 KB
Contents
# frozen_string_literal: true
require_relative '../../spec_helper'
# Load the class under test
require_relative '../../../lib/rley/gfg/non_terminal_vertex'
module Rley # Open this namespace to avoid module qualifier prefixes
module GFG # Open this namespace to avoid module qualifier prefixes
describe NonTerminalVertex do
let(:sample_nt) { double('fake-non-terminal') }
subject { NonTerminalVertex.new(sample_nt) }
context 'Initialization:' do
it 'should be created with a non-terminal symbol' do
expect { NonTerminalVertex.new(sample_nt) }.not_to raise_error
end
it 'should know its non-terminal' do
expect(subject.non_terminal).to eq(sample_nt)
end
it 'should accept at more than one outgoing edge' do
edge1 = double('fake-edge1')
edge2 = double('fake-edge2')
expect { subject.add_edge(edge1) }.not_to raise_error
expect(subject.edges.size).to eq(1)
expect(subject.edges.last).to eq(edge1)
expect { subject.add_edge(edge2) }.not_to raise_error
expect(subject.edges.size).to eq(2)
expect(subject.edges.last).to eq(edge2)
end
end # context
end # describe
end # module
end # module
# End of file
Version data entries
12 entries across 12 versions & 1 rubygems