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Contents
# frozen_string_literal: true
RSpec.describe ObjectExtensions do
context 'when refining Object' do
using ObjectExtensions
describe '#blank?' do
# An object is blank if it's false, empty, or a whitespace string.
context 'for false' do
it { expect(false.blank?).to eq(true) }
end
context 'for empty arrays' do
it { expect([].blank?).to eq(true) }
end
context 'for empty hashes' do
it { expect({}.blank?).to eq(true) }
end
context 'for whitespace string' do
it { expect(''.blank?).to eq(true) }
end
end
describe '#present?' do
# An object is present if it's not blank.
context 'for not blank objects' do
it { expect(1.present?).to eq(true) }
end
context 'for blank objects' do
it { expect(false.present?).to eq(false) }
end
end
describe '#presence' do
# Returns the receiver if it's present otherwise returns +nil+.
context 'returns the receiver when the receiver is present' do
it { expect(true.presence).to eq(true) }
end
context 'returns nil when the receiver is not present' do
it { expect(false.presence).to be_nil }
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems