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Contents
# frozen_string_literal: true
RSpec.describe :in_groups_of do
link :in_groups_of, from: :ree_array
it 'perfect fit' do
groups = []
in_groups_of(("a".."i").to_a, 3) do |group|
groups << group
end
expect(groups).to eq([%w(a b c), %w(d e f), %w(g h i)])
expect(in_groups_of(("a".."i").to_a, 3)).to eq([%w(a b c), %w(d e f), %w(g h i)])
end
it 'with padding' do
groups = []
in_groups_of(("a".."g").to_a, 3) do |group|
groups << group
end
expect(groups).to eq([%w(a b c), %w(d e f), ["g"]])
end
it 'with specified fill_in' do
groups = []
in_groups_of(("a".."g").to_a, 3, fill_with: 'foo') do |group|
groups << group
end
expect(groups).to eq([%w(a b c), %w(d e f), ["g", "foo", "foo"]])
end
it 'with nil padding' do
groups = []
in_groups_of(("a".."g").to_a, 3, fill_with: nil) do |group|
groups << group
end
expect(groups).to eq([%w(a b c), %w(d e f), ["g", nil, nil]])
end
it "invalid argument" do
expect { in_groups_of([], 0)}.to raise_error(ArgumentError)
expect { in_groups_of([], -1)}.to raise_error(ArgumentError)
end
end
Version data entries
126 entries across 126 versions & 1 rubygems