142 lines
4.0 KiB
Ruby
142 lines
4.0 KiB
Ruby
# frozen_string_literal: true
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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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let(:commit) { project.commit_by(oid: 'ae73cb07c9eeaf35924a10f713b364d32b2dd34f') }
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let(:diff_file) { commit.diffs.diff_file_with_new_path('Gemfile.zip') }
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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_by(oid: '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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viewer_class.extensions = %w(notjpg)
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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).to receive(:raw_size).and_return(1025.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).to receive(:raw_size).and_return(6.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).to receive(:raw_size).and_return(6.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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describe '#render_error_message' do
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it 'returns nothing when no render_error' do
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expect(viewer.render_error).to be_nil
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expect(viewer.render_error_message).to be_nil
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end
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context 'when render_error error' do
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before do
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allow(viewer).to receive(:render_error).and_return(:too_large)
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end
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it 'returns an error message' do
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expect(viewer.render_error_message).to include('it is too large')
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end
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it 'includes a "view the blob" link' do
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expect(viewer.render_error_message).to include('view the blob')
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end
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end
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end
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end
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