60 lines
1.2 KiB
Ruby
60 lines
1.2 KiB
Ruby
# typed: false
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# frozen_string_literal: true
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require "utils/formatter"
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require "utils/tty"
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describe Formatter do
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describe "::columns" do
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subject(:columns) { described_class.columns(input) }
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let(:input) {
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%w[
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aa
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bbb
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ccc
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dd
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]
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}
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it "doesn't output columns if $stdout is not a TTY." do
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allow_any_instance_of(IO).to receive(:tty?).and_return(false)
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allow(Tty).to receive(:width).and_return(10)
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expect(columns).to eq(
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"aa\n" \
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"bbb\n" \
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"ccc\n" \
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"dd\n",
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)
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end
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describe "$stdout is a TTY" do
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it "outputs columns" do
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allow_any_instance_of(IO).to receive(:tty?).and_return(true)
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allow(Tty).to receive(:width).and_return(10)
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expect(columns).to eq(
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"aa ccc\n" \
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"bbb dd\n",
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)
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end
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it "outputs only one line if everything fits" do
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allow_any_instance_of(IO).to receive(:tty?).and_return(true)
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allow(Tty).to receive(:width).and_return(20)
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expect(columns).to eq(
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"aa bbb ccc dd\n",
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)
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end
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end
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describe "with empty input" do
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let(:input) { [] }
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it { is_expected.to eq("\n") }
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end
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end
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end
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