41 lines
1.1 KiB
Ruby
41 lines
1.1 KiB
Ruby
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# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe DiffViewer::Image do
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describe '.can_render?' do
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let(:diff_file) { double(Gitlab::Diff::File) }
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let(:blob) { double(Gitlab::Git::Blob, binary_in_repo?: true, extension: 'png') }
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subject { described_class.can_render?(diff_file, verify_binary: false) }
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it 'returns false if both old and new blob are absent' do
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allow(diff_file).to receive(:old_blob) { nil }
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allow(diff_file).to receive(:new_blob) { nil }
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is_expected.to be_falsy
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end
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it 'returns true if the old blob is present' do
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allow(diff_file).to receive(:old_blob) { blob }
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allow(diff_file).to receive(:new_blob) { nil }
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is_expected.to be_truthy
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end
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it 'returns true if the new blob is present' do
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allow(diff_file).to receive(:old_blob) { nil }
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allow(diff_file).to receive(:new_blob) { blob }
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is_expected.to be_truthy
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end
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it 'returns true if both old and new blobs are present' do
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allow(diff_file).to receive(:old_blob) { blob }
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allow(diff_file).to receive(:new_blob) { blob }
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is_expected.to be_truthy
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end
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end
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end
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