1111 lines
32 KiB
Ruby
1111 lines
32 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Diff::File do
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include RepoHelpers
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let(:project) { create(:project, :repository) }
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let(:commit) { project.commit(sample_commit.id) }
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let(:diff) { commit.raw_diffs.first }
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let(:diff_file) { described_class.new(diff, diff_refs: commit.diff_refs, repository: project.repository) }
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def create_file(file_name, content)
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Files::CreateService.new(
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project,
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project.first_owner,
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commit_message: 'Update',
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start_branch: branch_name,
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branch_name: branch_name,
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file_path: file_name,
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file_content: content
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).execute
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project.commit(branch_name).diffs.diff_files.first
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end
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def update_file(file_name, content)
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Files::UpdateService.new(
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project,
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project.first_owner,
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commit_message: 'Update',
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start_branch: branch_name,
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branch_name: branch_name,
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file_path: file_name,
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file_content: content
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).execute
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project.commit(branch_name).diffs.diff_files.first
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end
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def delete_file(file_name)
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Files::DeleteService.new(
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project,
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project.first_owner,
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commit_message: 'Update',
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start_branch: branch_name,
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branch_name: branch_name,
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file_path: file_name
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).execute
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project.commit(branch_name).diffs.diff_files.first
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end
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describe '#initialize' do
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let(:commit) { project.commit("532c837") }
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context 'when file is ipynb' do
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let(:ipynb_semantic_diff) { false }
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before do
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stub_feature_flags(ipynb_semantic_diff: ipynb_semantic_diff)
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end
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subject { diff_file.rendered }
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context 'when ipynb_semantic_diff is off' do
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it { is_expected.to be_nil }
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end
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context 'and rendered_viewer is on' do
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let(:ipynb_semantic_diff) { true }
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it { is_expected.not_to be_nil }
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end
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end
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end
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describe '#ipynb?' do
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context 'is ipynb' do
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let(:commit) { project.commit("532c837") }
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it 'is true' do
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expect(diff_file.ipynb?).to be_truthy
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end
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end
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context 'is not ipynb' do
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it 'is false' do
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expect(diff_file.ipynb?).to be_falsey
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end
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end
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end
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describe '#has_renderable?' do
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context 'file is ipynb' do
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let(:commit) { project.commit("532c837") }
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it 'has renderable viewer' do
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expect(diff_file.has_renderable?).to be_truthy
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end
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end
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context 'file is not ipynb' do
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let(:commit) { project.commit("d59c60028b053793cecfb4022de34602e1a9218e") }
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it 'does not have renderable viewer' do
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expect(diff_file.has_renderable?).to be_falsey
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end
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it 'does not create a Notebook DiffFile' do
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expect(diff_file.rendered).to be_nil
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expect(::Gitlab::Diff::Rendered::Notebook::DiffFile).not_to receive(:new)
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end
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end
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end
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describe '#rendered' do
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context 'when not ipynb' do
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it 'is nil' do
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expect(diff_file.rendered).to be_nil
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end
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end
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context 'when ipynb' do
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let(:commit) { project.commit("532c837") }
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it 'creates a NotebookDiffFile for rendering' do
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expect(diff_file.rendered).to be_kind_of(Gitlab::Diff::Rendered::Notebook::DiffFile)
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end
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context 'when collapsed' do
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it 'is nil' do
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expect(diff).to receive(:collapsed?).and_return(true)
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expect(diff_file.rendered).to be_nil
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end
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end
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context 'when too large' do
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it 'is nil' do
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expect(diff).to receive(:too_large?).and_return(true)
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expect(diff_file.rendered).to be_nil
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end
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end
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context 'when not modified' do
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it 'is nil' do
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expect(diff_file).to receive(:modified_file?).and_return(false)
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expect(diff_file.rendered).to be_nil
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end
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end
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context 'when semantic ipynb is off' do
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before do
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stub_feature_flags(ipynb_semantic_diff: false)
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end
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it 'returns nil' do
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expect(diff_file).not_to receive(:modified_file?)
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expect(diff_file).not_to receive(:ipynb?)
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expect(diff).not_to receive(:too_large?)
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expect(diff_file.rendered).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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describe '#diff_lines' do
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let(:diff_lines) { diff_file.diff_lines }
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it { expect(diff_lines.size).to eq(30) }
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it { expect(diff_lines.first).to be_kind_of(Gitlab::Diff::Line) }
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end
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describe '#highlighted_diff_lines' do
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it 'highlights the diff and memoises the result' do
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expect(Gitlab::Diff::Highlight).to receive(:new)
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.with(diff_file, repository: project.repository)
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.once
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.and_call_original
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diff_file.highlighted_diff_lines
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end
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end
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describe '#diff_lines_for_serializer' do
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it 'includes bottom match line if not in the end' do
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expect(diff_file.diff_lines_for_serializer.last.type).to eq('match')
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end
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context 'when called multiple times' do
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it 'only adds bottom match line once' do
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expect(diff_file.diff_lines_for_serializer.size).to eq(31)
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expect(diff_file.diff_lines_for_serializer.size).to eq(31)
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end
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end
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context 'when deleted' do
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let(:commit) { project.commit('d59c60028b053793cecfb4022de34602e1a9218e') }
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let(:diff_file) { commit.diffs.diff_file_with_old_path('files/js/commit.js.coffee') }
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it 'does not include bottom match line' do
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expect(diff_file.diff_lines_for_serializer.last.type).not_to eq('match')
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end
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end
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end
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describe '#unfold_diff_lines' do
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let(:unfolded_lines) { double('expanded-lines') }
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let(:unfolder) { instance_double(Gitlab::Diff::LinesUnfolder) }
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let(:position) { instance_double(Gitlab::Diff::Position, old_line: 10) }
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before do
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allow(Gitlab::Diff::LinesUnfolder).to receive(:new) { unfolder }
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end
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context 'when unfold required' do
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before do
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allow(unfolder).to receive(:unfold_required?) { true }
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allow(unfolder).to receive(:unfolded_diff_lines) { unfolded_lines }
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end
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it 'changes @unfolded to true' do
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diff_file.unfold_diff_lines(position)
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expect(diff_file).to be_unfolded
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end
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it 'updates @diff_lines' do
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diff_file.unfold_diff_lines(position)
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expect(diff_file.diff_lines).to eq(unfolded_lines)
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end
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end
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context 'when unfold not required' do
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before do
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allow(unfolder).to receive(:unfold_required?) { false }
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end
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it 'keeps @unfolded false' do
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diff_file.unfold_diff_lines(position)
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expect(diff_file).not_to be_unfolded
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end
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it 'does not update @diff_lines' do
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expect { diff_file.unfold_diff_lines(position) }
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.not_to change(diff_file, :diff_lines)
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end
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end
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end
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describe '#mode_changed?' do
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it { expect(diff_file.mode_changed?).to be_falsey }
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end
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describe '#too_large?' do
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it 'returns true for a file that is too large' do
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expect(diff).to receive(:too_large?).and_return(true)
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expect(diff_file.too_large?).to eq(true)
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end
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it 'returns false for a file that is small enough' do
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expect(diff).to receive(:too_large?).and_return(false)
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expect(diff_file.too_large?).to eq(false)
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end
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end
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describe '#collapsed?' do
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it 'returns true for a file that is quite big' do
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expect(diff).to receive(:collapsed?).and_return(true)
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expect(diff_file.collapsed?).to eq(true)
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end
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it 'returns false for a file that is small enough' do
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expect(diff).to receive(:collapsed?).and_return(false)
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expect(diff_file.collapsed?).to eq(false)
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end
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end
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describe '#old_blob and #new_blob' do
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it 'returns blob of base commit and the new commit' do
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items = [
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[diff_file.new_content_sha, diff_file.new_path], [diff_file.old_content_sha, diff_file.old_path]
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]
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expect(project.repository).to receive(:blobs_at).with(items, blob_size_limit: 10.megabytes).and_call_original
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old_data = diff_file.old_blob.data
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data = diff_file.new_blob.data
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expect(old_data).to include('raise "System commands must be given as an array of strings"')
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expect(data).to include('raise RuntimeError, "System commands must be given as an array of strings"')
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end
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end
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describe '#diffable?' do
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context 'when attributes exist' do
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let(:commit) { project.commit('1a0b36b3cdad1d2ee32457c102a8c0b7056fa863') }
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let(:diffs) { commit.diffs }
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before do
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info_dir_path = Gitlab::GitalyClient::StorageSettings.allow_disk_access do
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File.join(project.repository.path_to_repo, 'info')
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end
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FileUtils.mkdir(info_dir_path) unless File.exist?(info_dir_path)
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File.write(File.join(info_dir_path, 'attributes'), "*.md -diff\n")
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end
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it "returns true for files that do not have attributes" do
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diff_file = diffs.diff_file_with_new_path('LICENSE')
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expect(diff_file.diffable?).to be_truthy
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end
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it "returns false for files that have been marked as not being diffable in attributes" do
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diff_file = diffs.diff_file_with_new_path('README.md')
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expect(diff_file.diffable?).to be_falsey
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end
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end
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context 'when the text has binary notice' do
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let(:commit) { project.commit('f05a98786e4274708e1fa118c7ad3a29d1d1b9a3') }
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let(:diff_file) { commit.diffs.diff_file_with_new_path('VERSION') }
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it "returns false" do
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expect(diff_file.diffable?).to be_falsey
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end
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end
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context 'when the content is binary' 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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it "returns true" do
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expect(diff_file.diffable?).to be_truthy
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end
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end
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end
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describe '#content_changed?' do
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context 'when created' do
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let(:commit) { project.commit('33f3729a45c02fc67d00adb1b8bca394b0e761d9') }
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let(:diff_file) { commit.diffs.diff_file_with_new_path('files/images/6049019_460s.jpg') }
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it 'returns false' do
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expect(diff_file.content_changed?).to be_falsey
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end
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end
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context 'when deleted' do
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let(:commit) { project.commit('d59c60028b053793cecfb4022de34602e1a9218e') }
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let(:diff_file) { commit.diffs.diff_file_with_old_path('files/js/commit.js.coffee') }
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it 'returns false' do
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expect(diff_file.content_changed?).to be_falsey
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end
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end
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context 'when renamed' do
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let(:commit) { project.commit('94bb47ca1297b7b3731ff2a36923640991e9236f') }
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let(:diff_file) { commit.diffs.diff_file_with_new_path('CHANGELOG.md') }
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it 'returns false' do
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expect(diff_file.content_changed?).to be_falsey
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end
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end
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context 'when content changed' do
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context 'when binary' 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 blobs are different' do
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it 'returns true' do
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expect(diff_file.content_changed?).to be_truthy
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end
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end
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context 'when there are no diff refs' do
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before do
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allow(diff_file).to receive(:diff_refs).and_return(nil)
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end
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it 'returns false' do
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expect(diff_file.content_changed?).to be_falsey
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end
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end
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end
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context 'when not binary' do
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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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context 'when the blobs are different' do
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it 'returns true' do
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expect(diff_file.content_changed?).to be_truthy
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end
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end
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context 'when there are no diff refs' do
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before do
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allow(diff_file).to receive(:diff_refs).and_return(nil)
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end
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it 'returns true' do
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expect(diff_file.content_changed?).to be_truthy
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end
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end
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end
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end
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end
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describe '#file_hash' do
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it 'returns a hash of file_path' do
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expect(diff_file.file_hash).to eq(Digest::SHA1.hexdigest(diff_file.file_path))
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end
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end
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describe '#file_identifier_hash' do
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it 'returns a hash of file_identifier' do
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expect(diff_file.file_identifier_hash).to eq(Digest::SHA1.hexdigest(diff_file.file_identifier))
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end
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end
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context 'diff file stats' do
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let(:diff_file) do
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described_class.new(diff,
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diff_refs: commit.diff_refs,
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repository: project.repository,
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stats: stats)
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end
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let(:raw_diff) do
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<<~EOS
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--- a/files/ruby/popen.rb
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+++ b/files/ruby/popen.rb
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@@ -6,12 +6,18 @@ module Popen
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def popen(cmd, path=nil)
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unless cmd.is_a?(Array)
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- raise "System commands must be given as an array of strings"
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+ raise RuntimeError, "System commands must be given as an array of strings"
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+ # foobar
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end
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EOS
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end
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describe '#added_lines' do
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context 'when stats argument given' do
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let(:stats) { double(Gitaly::DiffStats, additions: 10, deletions: 15) }
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it 'returns added lines from stats' do
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expect(diff_file.added_lines).to eq(stats.additions)
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end
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end
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context 'when stats argument not given' do
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let(:stats) { nil }
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it 'returns added lines by parsing raw diff' do
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allow(diff_file).to receive(:raw_diff) { raw_diff }
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expect(diff_file.added_lines).to eq(2)
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end
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end
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end
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describe '#removed_lines' do
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context 'when stats argument given' do
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let(:stats) { double(Gitaly::DiffStats, additions: 10, deletions: 15) }
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it 'returns removed lines from stats' do
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expect(diff_file.removed_lines).to eq(stats.deletions)
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end
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end
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context 'when stats argument not given' do
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let(:stats) { nil }
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it 'returns removed lines by parsing raw diff' do
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allow(diff_file).to receive(:raw_diff) { raw_diff }
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expect(diff_file.removed_lines).to eq(1)
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end
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end
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end
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end
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describe '#simple_viewer' do
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context 'when the file is collapsed' do
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before do
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allow(diff_file).to receive(:collapsed?).and_return(true)
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end
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it 'returns a Collapsed viewer' do
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expect(diff_file.simple_viewer).to be_a(DiffViewer::Collapsed)
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end
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end
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context 'when the file is not diffable' do
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before do
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allow(diff_file).to receive(:diffable?).and_return(false)
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end
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it 'returns a Not Diffable viewer' do
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expect(diff_file.simple_viewer).to be_a(DiffViewer::NotDiffable)
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end
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end
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context 'when the content changed' do
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context 'when the file represented by the diff file is binary' do
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before do
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allow(diff_file).to receive(:binary?).and_return(true)
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end
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it 'returns a No Preview viewer' do
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expect(diff_file.simple_viewer).to be_a(DiffViewer::NoPreview)
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end
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end
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context 'when the diff file old and new blob types are different' do
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before do
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allow(diff_file).to receive(:different_type?).and_return(true)
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end
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it 'returns a No Preview viewer' do
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expect(diff_file.simple_viewer).to be_a(DiffViewer::NoPreview)
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end
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end
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|
|
|
context 'when the file represented by the diff file is text-based' do
|
|
it 'returns a text viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::Text)
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when created' do
|
|
let(:commit) { project.commit('913c66a37b4a45b9769037c55c2d238bd0942d2e') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_new_path('files/ruby/popen.rb') }
|
|
|
|
before do
|
|
allow(diff_file).to receive(:content_changed?).and_return(nil)
|
|
end
|
|
|
|
context 'when the file represented by the diff file is binary' do
|
|
before do
|
|
allow(diff_file).to receive(:binary?).and_return(true)
|
|
end
|
|
|
|
it 'returns an Added viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::Added)
|
|
end
|
|
end
|
|
|
|
context 'when the diff file old and new blob types are different' do
|
|
before do
|
|
allow(diff_file).to receive(:different_type?).and_return(true)
|
|
end
|
|
|
|
it 'returns an Added viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::Added)
|
|
end
|
|
end
|
|
|
|
context 'when the file represented by the diff file is text-based' do
|
|
it 'returns a text viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::Text)
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when deleted' do
|
|
let(:commit) { project.commit('d59c60028b053793cecfb4022de34602e1a9218e') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_old_path('files/js/commit.js.coffee') }
|
|
|
|
before do
|
|
allow(diff_file).to receive(:content_changed?).and_return(nil)
|
|
end
|
|
|
|
context 'when the file represented by the diff file is binary' do
|
|
before do
|
|
allow(diff_file).to receive(:binary?).and_return(true)
|
|
end
|
|
|
|
it 'returns a Deleted viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::Deleted)
|
|
end
|
|
end
|
|
|
|
context 'when the diff file old and new blob types are different' do
|
|
before do
|
|
allow(diff_file).to receive(:different_type?).and_return(true)
|
|
end
|
|
|
|
it 'returns a Deleted viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::Deleted)
|
|
end
|
|
end
|
|
|
|
context 'when the file represented by the diff file is text-based' do
|
|
it 'returns a text viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::Text)
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when renamed' do
|
|
let(:commit) { project.commit('6907208d755b60ebeacb2e9dfea74c92c3449a1f') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_new_path('files/js/commit.coffee') }
|
|
|
|
before do
|
|
allow(diff_file).to receive(:content_changed?).and_return(nil)
|
|
end
|
|
|
|
it 'returns a Renamed viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::Renamed)
|
|
end
|
|
end
|
|
|
|
context 'when mode changed' do
|
|
before do
|
|
allow(diff_file).to receive(:content_changed?).and_return(nil)
|
|
allow(diff_file).to receive(:mode_changed?).and_return(true)
|
|
end
|
|
|
|
it 'returns a Mode Changed viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::ModeChanged)
|
|
end
|
|
end
|
|
|
|
context 'when no other conditions apply' do
|
|
before do
|
|
allow(diff_file).to receive(:content_changed?).and_return(false)
|
|
allow(diff_file).to receive(:new_file?).and_return(false)
|
|
allow(diff_file).to receive(:deleted_file?).and_return(false)
|
|
allow(diff_file).to receive(:renamed_file?).and_return(false)
|
|
allow(diff_file).to receive(:mode_changed?).and_return(false)
|
|
allow(diff_file).to receive(:text?).and_return(false)
|
|
end
|
|
|
|
it 'returns a No Preview viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::NoPreview)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#rich_viewer' do
|
|
let(:commit) { project.commit('2f63565e7aac07bcdadb654e253078b727143ec4') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_new_path('files/images/6049019_460s.jpg') }
|
|
|
|
context 'when the diff file has a matching viewer' do
|
|
context 'when the diff file content did not change' do
|
|
before do
|
|
allow(diff_file).to receive(:content_changed?).and_return(false)
|
|
end
|
|
|
|
it 'returns nil' do
|
|
expect(diff_file.rich_viewer).to be_nil
|
|
end
|
|
end
|
|
|
|
context 'when the diff file is not diffable' do
|
|
before do
|
|
allow(diff_file).to receive(:diffable?).and_return(false)
|
|
end
|
|
|
|
it 'returns nil' do
|
|
expect(diff_file.rich_viewer).to be_nil
|
|
end
|
|
end
|
|
|
|
context 'when the diff file old and new blob types are different' do
|
|
before do
|
|
allow(diff_file).to receive(:different_type?).and_return(true)
|
|
end
|
|
|
|
it 'returns nil' do
|
|
expect(diff_file.rich_viewer).to be_nil
|
|
end
|
|
end
|
|
|
|
context 'when the diff file has an external storage error' do
|
|
before do
|
|
allow(diff_file).to receive(:external_storage_error?).and_return(true)
|
|
end
|
|
|
|
it 'returns nil' do
|
|
expect(diff_file.rich_viewer).to be_nil
|
|
end
|
|
end
|
|
|
|
context 'when everything is right' do
|
|
it 'returns the viewer' do
|
|
expect(diff_file.rich_viewer).to be_a(DiffViewer::Image)
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when the diff file does not have a matching viewer' do
|
|
let(:commit) { project.commit('570e7b2abdd848b95f2f578043fc23bd6f6fd24d') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_new_path('files/ruby/popen.rb') }
|
|
|
|
it 'returns nil' do
|
|
expect(diff_file.rich_viewer).to be_nil
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#alternate_viewer' do
|
|
subject { diff_file.alternate_viewer }
|
|
|
|
where(:viewer_class) do
|
|
[
|
|
DiffViewer::Image,
|
|
DiffViewer::Collapsed,
|
|
DiffViewer::NotDiffable,
|
|
DiffViewer::Text,
|
|
DiffViewer::NoPreview,
|
|
DiffViewer::Added,
|
|
DiffViewer::Deleted,
|
|
DiffViewer::ModeChanged,
|
|
DiffViewer::ModeChanged,
|
|
DiffViewer::NoPreview
|
|
]
|
|
end
|
|
|
|
with_them do
|
|
let(:viewer) { viewer_class.new(diff_file) }
|
|
|
|
before do
|
|
allow(diff_file).to receive(:viewer).and_return(viewer)
|
|
end
|
|
|
|
it { is_expected.to be_nil }
|
|
end
|
|
|
|
context 'when viewer is DiffViewer::Renamed' do
|
|
let(:viewer) { DiffViewer::Renamed.new(diff_file) }
|
|
|
|
before do
|
|
allow(diff_file).to receive(:viewer).and_return(viewer)
|
|
end
|
|
|
|
context 'when it can be rendered as text' do
|
|
it { is_expected.to be_a(DiffViewer::Text) }
|
|
end
|
|
|
|
context 'when it can be rendered as image' do
|
|
let(:commit) { project.commit('2f63565e7aac07bcdadb654e253078b727143ec4') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_new_path('files/images/6049019_460s.jpg') }
|
|
|
|
it { is_expected.to be_a(DiffViewer::Image) }
|
|
end
|
|
|
|
context 'when it is something else' do
|
|
let(:commit) { project.commit('ae73cb07c9eeaf35924a10f713b364d32b2dd34f') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_new_path('Gemfile.zip') }
|
|
|
|
it { is_expected.to be_nil }
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#rendered_as_text?' do
|
|
context 'when the simple viewer is text-based' do
|
|
let(:commit) { project.commit('570e7b2abdd848b95f2f578043fc23bd6f6fd24d') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_new_path('files/ruby/popen.rb') }
|
|
|
|
context 'when ignoring errors' do
|
|
context 'when the viewer has render errors' do
|
|
before do
|
|
diff_file.diff.too_large!
|
|
end
|
|
|
|
it 'returns true' do
|
|
expect(diff_file.rendered_as_text?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context "when the viewer doesn't have render errors" do
|
|
it 'returns true' do
|
|
expect(diff_file.rendered_as_text?).to be_truthy
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when not ignoring errors' do
|
|
context 'when the viewer has render errors' do
|
|
before do
|
|
diff_file.diff.too_large!
|
|
end
|
|
|
|
it 'returns false' do
|
|
expect(diff_file.rendered_as_text?(ignore_errors: false)).to be_falsey
|
|
end
|
|
end
|
|
|
|
context "when the viewer doesn't have render errors" do
|
|
it 'returns true' do
|
|
expect(diff_file.rendered_as_text?(ignore_errors: false)).to be_truthy
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when the simple viewer is binary' do
|
|
let(:commit) { project.commit('2f63565e7aac07bcdadb654e253078b727143ec4') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_new_path('files/images/6049019_460s.jpg') }
|
|
|
|
it 'returns false' do
|
|
expect(diff_file.rendered_as_text?).to be_falsey
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when neither blob exists' do
|
|
let(:blank_diff_refs) { Gitlab::Diff::DiffRefs.new(base_sha: Gitlab::Git::BLANK_SHA, head_sha: Gitlab::Git::BLANK_SHA) }
|
|
let(:diff_file) { described_class.new(diff, diff_refs: blank_diff_refs, repository: project.repository) }
|
|
|
|
describe '#blob' do
|
|
it 'returns a concrete nil so it can be used in boolean expressions' do
|
|
actual = diff_file.blob && true
|
|
|
|
expect(actual).to be_nil
|
|
end
|
|
end
|
|
|
|
describe '#binary?' do
|
|
it 'returns false' do
|
|
expect(diff_file).not_to be_binary
|
|
end
|
|
end
|
|
|
|
describe '#size' do
|
|
it 'returns zero' do
|
|
expect(diff_file.size).to be_zero
|
|
end
|
|
end
|
|
|
|
describe '#empty?' do
|
|
it 'returns true' do
|
|
expect(diff_file.empty?).to be_truthy
|
|
end
|
|
end
|
|
|
|
describe '#different_type?' do
|
|
it 'returns false' do
|
|
expect(diff_file).not_to be_different_type
|
|
end
|
|
end
|
|
|
|
describe '#content_changed?' do
|
|
it 'returns false' do
|
|
expect(diff_file).not_to be_content_changed
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when the the encoding of the file is unsupported' do
|
|
let(:commit) { project.commit('f05a98786e4274708e1fa118c7ad3a29d1d1b9a3') }
|
|
let(:diff_file) { commit.diffs.diff_file_with_new_path('VERSION') }
|
|
|
|
it 'returns a Not Diffable viewer' do
|
|
expect(diff_file.simple_viewer).to be_a(DiffViewer::NotDiffable)
|
|
end
|
|
|
|
it { expect(diff_file.highlighted_diff_lines).to eq([]) }
|
|
it { expect(diff_file.parallel_diff_lines).to eq([]) }
|
|
end
|
|
|
|
describe '#diff_hunk' do
|
|
context 'when first line is a match' do
|
|
let(:raw_diff) do
|
|
<<~EOS
|
|
--- a/files/ruby/popen.rb
|
|
+++ b/files/ruby/popen.rb
|
|
@@ -6,12 +6,18 @@ module Popen
|
|
|
|
def popen(cmd, path=nil)
|
|
unless cmd.is_a?(Array)
|
|
- raise "System commands must be given as an array of strings"
|
|
+ raise RuntimeError, "System commands must be given as an array of strings"
|
|
end
|
|
EOS
|
|
end
|
|
|
|
it 'returns raw diff up to given line index' do
|
|
allow(diff_file).to receive(:raw_diff) { raw_diff }
|
|
diff_line = instance_double(Gitlab::Diff::Line, index: 4)
|
|
|
|
diff_hunk = <<~EOS
|
|
@@ -6,12 +6,18 @@ module Popen
|
|
|
|
def popen(cmd, path=nil)
|
|
unless cmd.is_a?(Array)
|
|
- raise "System commands must be given as an array of strings"
|
|
+ raise RuntimeError, "System commands must be given as an array of strings"
|
|
EOS
|
|
|
|
expect(diff_file.diff_hunk(diff_line)).to eq(diff_hunk.strip)
|
|
end
|
|
end
|
|
|
|
context 'when first line is not a match' do
|
|
let(:raw_diff) do
|
|
<<~EOS
|
|
@@ -1,4 +1,4 @@
|
|
-Copyright (c) 2011-2017 GitLab B.V.
|
|
+Copyright (c) 2011-2019 GitLab B.V.
|
|
|
|
With regard to the GitLab Software:
|
|
|
|
@@ -9,17 +9,21 @@ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
EOS
|
|
end
|
|
|
|
it 'returns raw diff up to given line index' do
|
|
allow(diff_file).to receive(:raw_diff) { raw_diff }
|
|
diff_line = instance_double(Gitlab::Diff::Line, index: 5)
|
|
|
|
diff_hunk = <<~EOS
|
|
-Copyright (c) 2011-2017 GitLab B.V.
|
|
+Copyright (c) 2011-2019 GitLab B.V.
|
|
|
|
With regard to the GitLab Software:
|
|
|
|
@@ -9,17 +9,21 @@ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
EOS
|
|
|
|
expect(diff_file.diff_hunk(diff_line)).to eq(diff_hunk.strip)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#empty?' do
|
|
let(:project) do
|
|
create(:project, :custom_repo, files: {})
|
|
end
|
|
|
|
let(:branch_name) { 'master' }
|
|
|
|
context 'when empty file is created' do
|
|
it 'returns true' do
|
|
diff_file = create_file('empty.md', '')
|
|
|
|
expect(diff_file.empty?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when empty file is deleted' do
|
|
it 'returns true' do
|
|
create_file('empty.md', '')
|
|
diff_file = delete_file('empty.md')
|
|
|
|
expect(diff_file.empty?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when file with content is truncated' do
|
|
it 'returns false' do
|
|
create_file('with-content.md', 'file content')
|
|
diff_file = update_file('with-content.md', '')
|
|
|
|
expect(diff_file.empty?).to be_falsey
|
|
end
|
|
end
|
|
|
|
context 'when empty file has content added' do
|
|
it 'returns false' do
|
|
create_file('empty.md', '')
|
|
diff_file = update_file('empty.md', 'new content')
|
|
|
|
expect(diff_file.empty?).to be_falsey
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#fully_expanded?' do
|
|
let(:project) do
|
|
create(:project, :custom_repo, files: {})
|
|
end
|
|
|
|
let(:branch_name) { 'master' }
|
|
|
|
context 'when empty file is created' do
|
|
it 'returns true' do
|
|
diff_file = create_file('empty.md', '')
|
|
|
|
expect(diff_file.fully_expanded?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when empty file is deleted' do
|
|
it 'returns true' do
|
|
create_file('empty.md', '')
|
|
diff_file = delete_file('empty.md')
|
|
|
|
expect(diff_file.fully_expanded?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when short file with last line removed' do
|
|
it 'returns true' do
|
|
create_file('with-content.md', (1..3).to_a.join("\n"))
|
|
diff_file = update_file('with-content.md', (1..2).to_a.join("\n"))
|
|
|
|
expect(diff_file.fully_expanded?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when a single line is added to empty file' do
|
|
it 'returns true' do
|
|
create_file('empty.md', '')
|
|
diff_file = update_file('empty.md', 'new content')
|
|
|
|
expect(diff_file.fully_expanded?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when single line file is changed' do
|
|
it 'returns true' do
|
|
create_file('file.md', 'foo')
|
|
diff_file = update_file('file.md', 'bar')
|
|
|
|
expect(diff_file.fully_expanded?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when long file is changed' do
|
|
before do
|
|
create_file('file.md', (1..999).to_a.join("\n"))
|
|
end
|
|
|
|
context 'when first line is removed' do
|
|
it 'returns true' do
|
|
diff_file = update_file('file.md', (2..999).to_a.join("\n"))
|
|
|
|
expect(diff_file.fully_expanded?).to be_falsey
|
|
end
|
|
end
|
|
|
|
context 'when last line is removed' do
|
|
it 'returns true' do
|
|
diff_file = update_file('file.md', (1..998).to_a.join("\n"))
|
|
|
|
expect(diff_file.fully_expanded?).to be_falsey
|
|
end
|
|
end
|
|
|
|
context 'when first and last lines are removed' do
|
|
it 'returns false' do
|
|
diff_file = update_file('file.md', (2..998).to_a.join("\n"))
|
|
|
|
expect(diff_file.fully_expanded?).to be_falsey
|
|
end
|
|
end
|
|
|
|
context 'when first and last lines are changed' do
|
|
it 'returns false' do
|
|
content = (2..998).to_a
|
|
content.prepend('a')
|
|
content.append('z')
|
|
content = content.join("\n")
|
|
|
|
diff_file = update_file('file.md', content)
|
|
|
|
expect(diff_file.fully_expanded?).to be_falsey
|
|
end
|
|
end
|
|
|
|
context 'when every line are changed' do
|
|
it 'returns true' do
|
|
diff_file = update_file('file.md', "hi\n" * 999)
|
|
|
|
expect(diff_file.fully_expanded?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when all contents are cleared' do
|
|
it 'returns true' do
|
|
diff_file = update_file('file.md', "")
|
|
|
|
expect(diff_file.fully_expanded?).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when file is binary' do
|
|
it 'returns true' do
|
|
diff_file = update_file('file.md', (1..998).to_a.join("\n"))
|
|
allow(diff_file).to receive(:binary?).and_return(true)
|
|
|
|
expect(diff_file.fully_expanded?).to be_truthy
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|