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Diffstat (limited to 'spec/presenters/blobs/unfold_presenter_spec.rb')
-rw-r--r-- | spec/presenters/blobs/unfold_presenter_spec.rb | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/spec/presenters/blobs/unfold_presenter_spec.rb b/spec/presenters/blobs/unfold_presenter_spec.rb new file mode 100644 index 00000000000..7ece5f623ce --- /dev/null +++ b/spec/presenters/blobs/unfold_presenter_spec.rb @@ -0,0 +1,159 @@ +# frozen_string_literal: true + +require 'spec_helper' + +describe Blobs::UnfoldPresenter do + include FakeBlobHelpers + + let(:project) { create(:project, :repository) } + let(:blob) { fake_blob(path: 'foo', data: "1\n2\n3") } + let(:subject) { described_class.new(blob, params) } + + describe '#initialize' do + context 'when full is false' do + let(:params) { { full: false, since: 2, to: 3, bottom: false, offset: 1, indent: 1 } } + + it 'sets attributes' do + result = subject + + expect(result.full?).to eq(false) + expect(result.since).to eq(2) + expect(result.to).to eq(3) + expect(result.bottom).to eq(false) + expect(result.offset).to eq(1) + expect(result.indent).to eq(1) + end + end + + context 'when full is true' do + let(:params) { { full: true, since: 2, to: 3, bottom: false, offset: 1, indent: 1 } } + + it 'sets other attributes' do + result = subject + + expect(result.full?).to eq(true) + expect(result.since).to eq(1) + expect(result.to).to eq(blob.lines.size) + expect(result.bottom).to eq(false) + expect(result.offset).to eq(0) + expect(result.indent).to eq(0) + end + end + end + + describe '#diff_lines' do + let(:total_lines) { 50 } + let(:blob) { fake_blob(path: 'foo', data: (1..total_lines).to_a.join("\n")) } + + context 'when "full" is true' do + let(:params) { { full: true } } + + it 'returns all lines' do + lines = subject.diff_lines + + expect(lines.size).to eq(total_lines) + + lines.each.with_index do |line, index| + expect(line.text).to include("LC#{index + 1}") + expect(line.text).to eq(line.rich_text) + expect(line.type).to be_nil + end + end + + context 'when last line is empty' do + let(:blob) { fake_blob(path: 'foo', data: "1\n2\n") } + + it 'disregards last line' do + lines = subject.diff_lines + + expect(lines.size).to eq(2) + end + end + end + + context 'when "since" is equal to 1' do + let(:params) { { since: 1, to: 10, offset: 10 } } + + it 'does not add top match line' do + line = subject.diff_lines.first + + expect(line.type).to be_nil + end + end + + context 'when since is greater than 1' do + let(:params) { { since: 5, to: 10, offset: 10 } } + + it 'adds top match line' do + line = subject.diff_lines.first + + expect(line.type).to eq('match') + expect(line.old_pos).to eq(5) + expect(line.new_pos).to eq(5) + end + end + + context 'when "to" is less than blob size' do + let(:params) { { since: 1, to: 5, offset: 10, bottom: true } } + + it 'adds bottom match line' do + line = subject.diff_lines.last + + expect(line.type).to eq('match') + expect(line.old_pos).to eq(-5) + expect(line.new_pos).to eq(5) + end + end + + context 'when "to" is equal to blob size' do + let(:params) { { since: 1, to: total_lines, offset: 10, bottom: true } } + + it 'does not add bottom match line' do + line = subject.diff_lines.last + + expect(line.type).to be_nil + end + end + end + + describe '#lines' do + context 'when scope is specified' do + let(:params) { { since: 2, to: 3 } } + + it 'returns lines cropped by params' do + expect(subject.lines.size).to eq(2) + expect(subject.lines[0]).to include('LC2') + expect(subject.lines[1]).to include('LC3') + end + end + + context 'when full is true' do + let(:params) { { full: true } } + + it 'returns all lines' do + expect(subject.lines.size).to eq(3) + expect(subject.lines[0]).to include('LC1') + expect(subject.lines[1]).to include('LC2') + expect(subject.lines[2]).to include('LC3') + end + end + end + + describe '#match_line_text' do + context 'when bottom is true' do + let(:params) { { since: 2, to: 3, bottom: true } } + + it 'returns empty string' do + expect(subject.match_line_text).to eq('') + end + end + + context 'when bottom is false' do + let(:params) { { since: 2, to: 3, bottom: false } } + + it 'returns match line string' do + expect(subject.match_line_text).to eq("@@ -2,1+2,1 @@") + end + end + end +end |