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Contents
require 'spec_helper'
describe Monolens, 'coerce.integer' do
subject do
Monolens.lens('coerce.integer')
end
it 'is idempotent' do
expect(subject.call(12)).to eql(12)
end
it 'coerces valid integers' do
expect(subject.call('12')).to eql(12)
end
describe 'error handling' do
let(:lens) do
Monolens.lens({
'array.map' => {
:lenses => 'coerce.integer'
}
})
end
subject do
begin
lens.call(input)
nil
rescue Monolens::LensError => ex
ex
end
end
let(:input) do
['12sh']
end
it 'fails on invalid integers' do
expect(subject).to be_a(Monolens::LensError)
end
it 'properly sets the location' do
expect(subject.location).to eql([0])
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems