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Contents
shared_examples 'a operator with a single input value' do |arguments|
include_context 'variables are initialized', arguments, *%w(variable_value expected_number expected_tex expected_number_tex expected_gnu expected_number_gnu)
let(:variable) { { name: "X", value: variable_value } }
subject { described_class.new(variable) }
describe '#to_f' do
context 'when variables are not numbers but have value' do
it 'returns the division of the values' do
expect(subject.to_f).to eq(expected_number)
end
it do
expect(subject.to_f).to be_a(Float)
end
end
context 'when the variable is a number' do
let(:variable) { variable_value }
it 'returns the squared root of the value' do
expect(subject.to_f).to eq(expected_number)
end
it do
expect(subject.to_f).to be_a(Float)
end
end
end
describe '#to_tex' do
context 'when variables have no value' do
let(:variable) { :X }
it 'returns a latex format fraction' do
expect(subject.to_tex).to eq(expected_tex)
end
end
context 'when the variable is numeric' do
before do
subject.variables[0].value = variable_value
end
it 'prints both numbers' do
expect(subject.to_tex).to eq(expected_number_tex)
end
end
end
describe '#to_gnu' do
context 'when variables have no value' do
let(:variable) { :X }
it 'returns a latex format fraction' do
expect(subject.to_gnu).to eq(expected_gnu)
end
end
context 'when the variable is numeric' do
before do
subject.variables[0].value = variable_value
end
it 'prints both numbers' do
expect(subject.to_gnu).to eq(expected_number_gnu)
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems