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require 'spec_helper'
describe CommitRange do
let(:sha_from) { 'f3f85602' }
let(:sha_to) { 'e86e1013' }
let(:range) { described_class.new("#{sha_from}...#{sha_to}") }
let(:range2) { described_class.new("#{sha_from}..#{sha_to}") }
it 'raises ArgumentError when given an invalid range string' do
expect { described_class.new("Foo") }.to raise_error
end
describe '#to_a' do
context 'when valid' do
let(:commit1) { double('commit1') }
let(:commit2) { double('commit2') }
before do
expect(range).to receive(:valid_commits?).and_return(true)
allow(range).to receive(:commit_from).and_return(commit1)
allow(range).to receive(:commit_to).and_return(commit2)
end
it 'returns an Array of Commits' do
expect(range.to_a).to eq [commit1, commit2]
end
end
context 'when invalid' do
before do
expect(range).to receive(:valid_commits?).and_return(false)
end
it 'returns [nil, nil]' do
expect(range.to_a).to eq [nil, nil]
end
end
end
describe '#to_s' do
it 'is correct for three-dot syntax' do
expect(range.to_s).to eq "#{sha_from[0..7]}...#{sha_to[0..7]}"
end
it 'is correct for two-dot syntax' do
expect(range2.to_s).to eq "#{sha_from[0..7]}..#{sha_to[0..7]}"
end
end
describe '#reference_title' do
it 'returns the correct String for three-dot ranges' do
expect(range.reference_title).to eq "Commits #{sha_from} through #{sha_to}"
end
it 'returns the correct String for two-dot ranges' do
expect(range2.reference_title).to eq "Commits #{sha_from}^ through #{sha_to}"
end
end
describe '#to_param' do
it 'includes the correct keys' do
expect(range.to_param.keys).to eq %i(from to)
end
it 'includes the correct values for a three-dot range' do
expect(range.to_param).to eq({from: sha_from, to: sha_to})
end
it 'includes the correct values for a two-dot range' do
expect(range2.to_param).to eq({from: sha_from + '^', to: sha_to})
end
end
describe '#inclusive?' do
it 'is false for three-dot ranges' do
expect(range).not_to be_inclusive
end
it 'is true for two-dot ranges' do
expect(range2).to be_inclusive
end
end
describe '#valid_commits?' do
context 'without a project' do
it 'returns nil' do
expect(range.valid_commits?).to be_nil
end
end
it 'accepts an optional project argument' do
project1 = double('project1').as_null_object
project2 = double('project2').as_null_object
# project1 gets assigned through the accessor, but ignored when not given
# as an argument to `valid_commits?`
expect(project1).not_to receive(:present?)
range.project = project1
# project2 gets passed to `valid_commits?`
expect(project2).to receive(:present?).and_return(false)
range.valid_commits?(project2)
end
context 'with a project' do
let(:project) { double('project', repository: double('repository')) }
context 'with a valid repo' do
before do
expect(project).to receive(:valid_repo?).and_return(true)
range.project = project
end
it 'is false when `sha_from` is invalid' do
expect(project.repository).to receive(:commit).with(sha_from).and_return(false)
expect(project.repository).not_to receive(:commit).with(sha_to)
expect(range).not_to be_valid_commits
end
it 'is false when `sha_to` is invalid' do
expect(project.repository).to receive(:commit).with(sha_from).and_return(true)
expect(project.repository).to receive(:commit).with(sha_to).and_return(false)
expect(range).not_to be_valid_commits
end
it 'is true when both `sha_from` and `sha_to` are valid' do
expect(project.repository).to receive(:commit).with(sha_from).and_return(true)
expect(project.repository).to receive(:commit).with(sha_to).and_return(true)
expect(range).to be_valid_commits
end
end
context 'without a valid repo' do
before do
expect(project).to receive(:valid_repo?).and_return(false)
range.project = project
end
it 'returns false' do
expect(range).not_to be_valid_commits
end
end
end
end
end
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