159 lines
4.2 KiB
Ruby
159 lines
4.2 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe Blobs::UnfoldPresenter do
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include FakeBlobHelpers
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let(:project) { create(:project, :repository) }
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let(:blob) { fake_blob(path: 'foo', data: "1\n2\n3") }
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let(:subject) { described_class.new(blob, params) }
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describe '#initialize' do
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context 'when full is false' do
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let(:params) { { full: false, since: 2, to: 3, bottom: false, offset: 1, indent: 1 } }
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it 'sets attributes' do
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result = subject
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expect(result.full?).to eq(false)
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expect(result.since).to eq(2)
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expect(result.to).to eq(3)
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expect(result.bottom).to eq(false)
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expect(result.offset).to eq(1)
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expect(result.indent).to eq(1)
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end
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end
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context 'when full is true' do
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let(:params) { { full: true, since: 2, to: 3, bottom: false, offset: 1, indent: 1 } }
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it 'sets other attributes' do
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result = subject
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expect(result.full?).to eq(true)
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expect(result.since).to eq(1)
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expect(result.to).to eq(blob.lines.size)
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expect(result.bottom).to eq(false)
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expect(result.offset).to eq(0)
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expect(result.indent).to eq(0)
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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(:total_lines) { 50 }
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let(:blob) { fake_blob(path: 'foo', data: (1..total_lines).to_a.join("\n")) }
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context 'when "full" is true' do
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let(:params) { { full: true } }
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it 'returns all lines' do
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lines = subject.diff_lines
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expect(lines.size).to eq(total_lines)
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lines.each.with_index do |line, index|
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expect(line.text).to include("LC#{index + 1}")
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expect(line.text).to eq(line.rich_text)
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expect(line.type).to be_nil
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end
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end
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context 'when last line is empty' do
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let(:blob) { fake_blob(path: 'foo', data: "1\n2\n") }
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it 'disregards last line' do
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lines = subject.diff_lines
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expect(lines.size).to eq(2)
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end
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end
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end
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context 'when "since" is equal to 1' do
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let(:params) { { since: 1, to: 10, offset: 10 } }
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it 'does not add top match line' do
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line = subject.diff_lines.first
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expect(line.type).to be_nil
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end
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end
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context 'when since is greater than 1' do
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let(:params) { { since: 5, to: 10, offset: 10 } }
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it 'adds top match line' do
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line = subject.diff_lines.first
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expect(line.type).to eq('match')
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expect(line.old_pos).to eq(5)
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expect(line.new_pos).to eq(5)
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end
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end
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context 'when "to" is less than blob size' do
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let(:params) { { since: 1, to: 5, offset: 10, bottom: true } }
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it 'adds bottom match line' do
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line = subject.diff_lines.last
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expect(line.type).to eq('match')
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expect(line.old_pos).to eq(-5)
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expect(line.new_pos).to eq(5)
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end
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end
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context 'when "to" is equal to blob size' do
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let(:params) { { since: 1, to: total_lines, offset: 10, bottom: true } }
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it 'does not add bottom match line' do
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line = subject.diff_lines.last
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expect(line.type).to be_nil
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end
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end
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end
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describe '#lines' do
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context 'when scope is specified' do
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let(:params) { { since: 2, to: 3 } }
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it 'returns lines cropped by params' do
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expect(subject.lines.size).to eq(2)
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expect(subject.lines[0]).to include('LC2')
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expect(subject.lines[1]).to include('LC3')
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end
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end
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context 'when full is true' do
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let(:params) { { full: true } }
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it 'returns all lines' do
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expect(subject.lines.size).to eq(3)
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expect(subject.lines[0]).to include('LC1')
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expect(subject.lines[1]).to include('LC2')
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expect(subject.lines[2]).to include('LC3')
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end
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end
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end
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describe '#match_line_text' do
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context 'when bottom is true' do
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let(:params) { { since: 2, to: 3, bottom: true } }
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it 'returns empty string' do
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expect(subject.match_line_text).to eq('')
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end
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end
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context 'when bottom is false' do
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let(:params) { { since: 2, to: 3, bottom: false } }
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it 'returns match line string' do
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expect(subject.match_line_text).to eq("@@ -2,1+2,1 @@")
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end
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end
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end
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end
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