34 lines
827 B
Ruby
34 lines
827 B
Ruby
# frozen_string_literal: true
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require 'fast_spec_helper'
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load File.expand_path('../../../spec/support/matchers/be_sorted.rb', __dir__)
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RSpec.describe 'be_sorted' do
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it 'matches empty collections, regardless of arguments' do
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expect([])
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.to be_sorted
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.and be_sorted.asc
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.and be_sorted.desc
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.and be_sorted(:foo)
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.and be_sorted(:bar)
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expect([].to_set).to be_sorted
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expect({}).to be_sorted
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end
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it 'matches in both directions' do
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expect([1, 2, 3]).to be_sorted.asc
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expect([3, 2, 1]).to be_sorted.desc
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end
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it 'can match on a projection' do
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xs = [['a', 10], ['b', 7], ['c', 4]]
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expect(xs).to be_sorted.asc.by(&:first)
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expect(xs).to be_sorted(:first, :asc)
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expect(xs).to be_sorted.desc.by(&:second)
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expect(xs).to be_sorted(:second, :desc)
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end
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end
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