270 lines
10 KiB
Ruby
270 lines
10 KiB
Ruby
require 'spec_helper'
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describe DiffHelper do
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include RepoHelpers
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let(:project) { create(:project, :repository) }
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let(:repository) { project.repository }
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let(:commit) { project.commit(sample_commit.id) }
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let(:diffs) { commit.raw_diffs }
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let(:diff) { diffs.first }
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let(:diff_refs) { commit.diff_refs }
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let(:diff_file) { Gitlab::Diff::File.new(diff, diff_refs: diff_refs, repository: repository) }
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describe 'diff_view' do
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it 'uses the view param over the cookie' do
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controller.params[:view] = 'parallel'
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helper.request.cookies[:diff_view] = 'inline'
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expect(helper.diff_view).to eq :parallel
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end
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it 'returns the default value when the view param is invalid' do
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controller.params[:view] = 'invalid'
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expect(helper.diff_view).to eq :inline
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end
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it 'returns a valid value when cookie is set' do
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helper.request.cookies[:diff_view] = 'parallel'
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expect(helper.diff_view).to eq :parallel
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end
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it 'returns the default value when cookie is invalid' do
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helper.request.cookies[:diff_view] = 'invalid'
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expect(helper.diff_view).to eq :inline
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end
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it 'returns the default value when cookie is nil' do
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expect(helper.request.cookies).to be_empty
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expect(helper.diff_view).to eq :inline
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end
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end
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describe 'diff_options' do
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it 'returns no collapse false' do
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expect(diff_options).to include(expanded: false)
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end
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it 'returns no collapse true if expanded' do
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allow(controller).to receive(:params) { { expanded: true } }
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expect(diff_options).to include(expanded: true)
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end
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it 'returns no collapse true if action name diff_for_path' do
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allow(controller).to receive(:action_name) { 'diff_for_path' }
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expect(diff_options).to include(expanded: true)
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end
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it 'returns paths if action name diff_for_path and param old path' do
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allow(controller).to receive(:params) { { old_path: 'lib/wadus.rb' } }
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allow(controller).to receive(:action_name) { 'diff_for_path' }
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expect(diff_options[:paths]).to include('lib/wadus.rb')
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end
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it 'returns paths if action name diff_for_path and param new path' do
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allow(controller).to receive(:params) { { new_path: 'lib/wadus.rb' } }
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allow(controller).to receive(:action_name) { 'diff_for_path' }
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expect(diff_options[:paths]).to include('lib/wadus.rb')
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end
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end
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describe '#diff_line_content' do
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context 'when the line is empty' do
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it 'returns a non breaking space' do
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expect(diff_line_content(nil)).to eq(' ')
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end
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it 'returns an HTML-safe string' do
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expect(diff_line_content(nil)).to be_html_safe
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end
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end
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context 'when the line is not empty' do
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context 'when the line starts with +, -, or a space' do
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it 'strips the first character' do
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expect(diff_line_content('+new line')).to eq('new line')
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expect(diff_line_content('-new line')).to eq('new line')
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expect(diff_line_content(' new line')).to eq('new line')
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end
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context 'when the line is HTML-safe' do
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it 'returns an HTML-safe string' do
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expect(diff_line_content('+new line'.html_safe)).to be_html_safe
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expect(diff_line_content('-new line'.html_safe)).to be_html_safe
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expect(diff_line_content(' new line'.html_safe)).to be_html_safe
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end
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end
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context 'when the line is not HTML-safe' do
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it 'returns a non-HTML-safe string' do
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expect(diff_line_content('+new line')).not_to be_html_safe
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expect(diff_line_content('-new line')).not_to be_html_safe
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expect(diff_line_content(' new line')).not_to be_html_safe
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end
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end
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end
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context 'when the line does not start with a +, -, or a space' do
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it 'returns the string' do
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expect(diff_line_content('@@ -6,12 +6,18 @@ module Popen')).to eq('@@ -6,12 +6,18 @@ module Popen')
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end
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context 'when the line is HTML-safe' do
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it 'returns an HTML-safe string' do
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expect(diff_line_content('@@ -6,12 +6,18 @@ module Popen'.html_safe)).to be_html_safe
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end
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end
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context 'when the line is not HTML-safe' do
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it 'returns a non-HTML-safe string' do
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expect(diff_line_content('@@ -6,12 +6,18 @@ module Popen')).not_to be_html_safe
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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 "#mark_inline_diffs" do
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let(:old_line) { %{abc 'def'} }
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let(:new_line) { %{abc "def"} }
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it "returns strings with marked inline diffs" do
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marked_old_line, marked_new_line = mark_inline_diffs(old_line, new_line)
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expect(marked_old_line).to eq(%q{abc <span class="idiff left right deletion">'def'</span>})
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expect(marked_old_line).to be_html_safe
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expect(marked_new_line).to eq(%q{abc <span class="idiff left right addition">"def"</span>})
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expect(marked_new_line).to be_html_safe
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end
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end
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describe '#parallel_diff_discussions' do
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let(:discussion) { { 'abc_3_3' => 'comment' } }
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let(:diff_file) { double(line_code: 'abc_3_3') }
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before do
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helper.instance_variable_set(:@grouped_diff_discussions, discussion)
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end
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it 'does not put comments on nonewline lines' do
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left = Gitlab::Diff::Line.new('\\nonewline', 'old-nonewline', 3, 3, 3)
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right = Gitlab::Diff::Line.new('\\nonewline', 'new-nonewline', 3, 3, 3)
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result = helper.parallel_diff_discussions(left, right, diff_file)
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expect(result).to eq([nil, nil])
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end
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it 'puts comments on added lines' do
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left = Gitlab::Diff::Line.new('\\nonewline', 'old-nonewline', 3, 3, 3)
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right = Gitlab::Diff::Line.new('new line', 'new', 3, 3, 3)
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result = helper.parallel_diff_discussions(left, right, diff_file)
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expect(result).to eq([nil, 'comment'])
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end
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it 'puts comments on unchanged lines' do
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left = Gitlab::Diff::Line.new('unchanged line', nil, 3, 3, 3)
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right = Gitlab::Diff::Line.new('unchanged line', nil, 3, 3, 3)
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result = helper.parallel_diff_discussions(left, right, diff_file)
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expect(result).to eq(['comment', nil])
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end
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end
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describe "#diff_match_line" do
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let(:old_pos) { 40 }
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let(:new_pos) { 50 }
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let(:text) { 'some_text' }
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it "generates foldable top match line for inline view with empty text by default" do
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output = diff_match_line old_pos, new_pos
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expect(output).to be_html_safe
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expect(output).to have_css "td:nth-child(1):not(.js-unfold-bottom).diff-line-num.unfold.js-unfold.old_line[data-linenumber='#{old_pos}']", text: '...'
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expect(output).to have_css "td:nth-child(2):not(.js-unfold-bottom).diff-line-num.unfold.js-unfold.new_line[data-linenumber='#{new_pos}']", text: '...'
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expect(output).to have_css 'td:nth-child(3):not(.parallel).line_content.match', text: ''
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end
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it "allows to define text and bottom option" do
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output = diff_match_line old_pos, new_pos, text: text, bottom: true
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expect(output).to be_html_safe
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expect(output).to have_css "td:nth-child(1).diff-line-num.unfold.js-unfold.js-unfold-bottom.old_line[data-linenumber='#{old_pos}']", text: '...'
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expect(output).to have_css "td:nth-child(2).diff-line-num.unfold.js-unfold.js-unfold-bottom.new_line[data-linenumber='#{new_pos}']", text: '...'
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expect(output).to have_css 'td:nth-child(3):not(.parallel).line_content.match', text: text
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end
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it "generates match line for parallel view" do
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output = diff_match_line old_pos, new_pos, text: text, view: :parallel
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expect(output).to be_html_safe
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expect(output).to have_css "td:nth-child(1):not(.js-unfold-bottom).diff-line-num.unfold.js-unfold.old_line[data-linenumber='#{old_pos}']", text: '...'
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expect(output).to have_css 'td:nth-child(2).line_content.match.parallel', text: text
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expect(output).to have_css "td:nth-child(3):not(.js-unfold-bottom).diff-line-num.unfold.js-unfold.new_line[data-linenumber='#{new_pos}']", text: '...'
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expect(output).to have_css 'td:nth-child(4).line_content.match.parallel', text: text
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end
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it "allows to generate only left match line for parallel view" do
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output = diff_match_line old_pos, nil, text: text, view: :parallel
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expect(output).to be_html_safe
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expect(output).to have_css "td:nth-child(1):not(.js-unfold-bottom).diff-line-num.unfold.js-unfold.old_line[data-linenumber='#{old_pos}']", text: '...'
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expect(output).to have_css 'td:nth-child(2).line_content.match.parallel', text: text
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expect(output).not_to have_css 'td:nth-child(3)'
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end
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it "allows to generate only right match line for parallel view" do
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output = diff_match_line nil, new_pos, text: text, view: :parallel
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expect(output).to be_html_safe
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expect(output).to have_css "td:nth-child(1):not(.js-unfold-bottom).diff-line-num.unfold.js-unfold.new_line[data-linenumber='#{new_pos}']", text: '...'
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expect(output).to have_css 'td:nth-child(2).line_content.match.parallel', text: text
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expect(output).not_to have_css 'td:nth-child(3)'
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end
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end
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context 'viewer related' do
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let(:viewer) { diff_file.simple_viewer }
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before do
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assign(:project, project)
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end
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describe '#diff_render_error_reason' do
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context 'for error :too_large' do
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before do
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expect(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(helper.diff_render_error_reason(viewer)).to eq('it is too large')
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end
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end
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context 'for error :server_side_but_stored_externally' do
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before do
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expect(viewer).to receive(:render_error).and_return(:server_side_but_stored_externally)
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expect(diff_file).to receive(:external_storage).and_return(:lfs)
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end
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it 'returns an error message' do
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expect(helper.diff_render_error_reason(viewer)).to eq('it is stored in LFS')
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end
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end
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end
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describe '#diff_render_error_options' do
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it 'includes a "view the blob" link' do
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expect(helper.diff_render_error_options(viewer)).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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