150 lines
4.5 KiB
Ruby
150 lines
4.5 KiB
Ruby
require 'spec_helper'
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describe DiffViewer::Base do
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include FakeBlobHelpers
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let(:project) { create(:project, :repository) }
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let(:commit) { project.commit('570e7b2abdd848b95f2f578043fc23bd6f6fd24d') }
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let(:diff_file) { commit.diffs.diff_file_with_new_path('files/ruby/popen.rb') }
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let(:viewer_class) do
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Class.new(described_class) do
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include DiffViewer::ServerSide
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self.extensions = %w(jpg)
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self.binary = true
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self.collapse_limit = 1.megabyte
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self.size_limit = 5.megabytes
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end
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end
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let(:viewer) { viewer_class.new(diff_file) }
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describe '.can_render?' do
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context 'when the extension is supported' do
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let(:commit) { project.commit('2f63565e7aac07bcdadb654e253078b727143ec4') }
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let(:diff_file) { commit.diffs.diff_file_with_new_path('files/images/6049019_460s.jpg') }
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context 'when the binaryness matches' do
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it 'returns true' do
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expect(viewer_class.can_render?(diff_file)).to be_truthy
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end
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end
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context 'when the binaryness does not match' do
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before do
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allow(diff_file.old_blob).to receive(:binary?).and_return(false)
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allow(diff_file.new_blob).to receive(:binary?).and_return(false)
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end
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it 'returns false' do
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expect(viewer_class.can_render?(diff_file)).to be_falsey
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end
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end
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end
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context 'when the file type is supported' do
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let(:commit) { project.commit('1a0b36b3cdad1d2ee32457c102a8c0b7056fa863') }
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let(:diff_file) { commit.diffs.diff_file_with_new_path('LICENSE') }
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before do
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viewer_class.file_types = %i(license)
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viewer_class.binary = false
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end
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context 'when the binaryness matches' do
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it 'returns true' do
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expect(viewer_class.can_render?(diff_file)).to be_truthy
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end
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end
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context 'when the binaryness does not match' do
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before do
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allow(diff_file.old_blob).to receive(:binary?).and_return(true)
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allow(diff_file.new_blob).to receive(:binary?).and_return(true)
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end
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it 'returns false' do
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expect(viewer_class.can_render?(diff_file)).to be_falsey
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end
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end
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end
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context 'when the extension and file type are not supported' do
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it 'returns false' do
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expect(viewer_class.can_render?(diff_file)).to be_falsey
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end
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end
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context 'when the file was renamed and only the old blob is supported' do
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let(:commit) { project.commit('2f63565e7aac07bcdadb654e253078b727143ec4') }
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let(:diff_file) { commit.diffs.diff_file_with_new_path('files/images/6049019_460s.jpg') }
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before do
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allow(diff_file).to receive(:renamed_file?).and_return(true)
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allow(diff_file.new_blob).to receive(:extension).and_return('jpeg')
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end
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it 'returns false' do
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expect(viewer_class.can_render?(diff_file)).to be_falsey
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end
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end
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end
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describe '#collapsed?' do
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context 'when the combined blob size is larger than the collapse limit' do
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before do
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allow(diff_file.old_blob).to receive(:raw_size).and_return(512.kilobytes)
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allow(diff_file.new_blob).to receive(:raw_size).and_return(513.kilobytes)
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end
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it 'returns true' do
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expect(viewer.collapsed?).to be_truthy
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end
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end
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context 'when the combined blob size is smaller than the collapse limit' do
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it 'returns false' do
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expect(viewer.collapsed?).to be_falsey
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end
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end
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end
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describe '#too_large?' do
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context 'when the combined blob size is larger than the size limit' do
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before do
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allow(diff_file.old_blob).to receive(:raw_size).and_return(2.megabytes)
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allow(diff_file.new_blob).to receive(:raw_size).and_return(4.megabytes)
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end
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it 'returns true' do
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expect(viewer.too_large?).to be_truthy
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end
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end
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context 'when the blob size is smaller than the size limit' do
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it 'returns false' do
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expect(viewer.too_large?).to be_falsey
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end
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end
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end
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describe '#render_error' do
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context 'when the combined blob size is larger than the size limit' do
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before do
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allow(diff_file.old_blob).to receive(:raw_size).and_return(2.megabytes)
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allow(diff_file.new_blob).to receive(:raw_size).and_return(4.megabytes)
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end
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it 'returns :too_large' do
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expect(viewer.render_error).to eq(:too_large)
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end
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end
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context 'when the combined blob size is smaller than the size limit' do
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it 'returns nil' do
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expect(viewer.render_error).to be_nil
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end
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end
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end
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end
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