37 lines
900 B
Ruby
37 lines
900 B
Ruby
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require 'spec_helper'
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describe SnapshotCreator do
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let(:snapshot_creator) { SnapshotCreator.new }
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describe '#create' do
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let(:stdout) { double('stdout', :bytes_until => []) }
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let(:terminal) { double('terminal', :feed => snapshot) }
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let(:snapshot) { double('snapshot') }
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subject { snapshot_creator.create(80, 24, stdout, 31.4) }
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before do
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allow(Terminal).to receive(:new).with(80, 24) { terminal }
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allow(stdout).to receive(:bytes_until) { [1, 2, 3] }
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end
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it 'uses Terminal to generate a snapshot' do
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subject
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expect(terminal).to have_received(:feed).with([1, 2, 3])
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end
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it 'gets the bytes from stdout for half duration (whole seconds)' do
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subject
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expect(stdout).to have_received(:bytes_until).with(15)
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end
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it 'returns the snapshot from the Terminal' do
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expect(subject).to be(snapshot)
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end
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end
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end
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