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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Commits::CommitPatchService do
describe '#execute' do
let(:patches) do
patches_folder = Rails.root.join('spec/fixtures/patchfiles')
content_1 = File.read(File.join(patches_folder, "0001-This-does-not-apply-to-the-feature-branch.patch"))
content_2 = File.read(File.join(patches_folder, "0001-A-commit-from-a-patch.patch"))
[content_1, content_2]
end
let(:user) { project.creator }
let(:branch_name) { 'branch-with-patches' }
let(:project) { create(:project, :repository) }
let(:start_branch) { nil }
let(:params) { { branch_name: branch_name, patches: patches, start_branch: start_branch } }
subject(:service) do
described_class.new(project, user, params)
end
it 'returns a successful result' do
result = service.execute
branch = project.repository.find_branch(branch_name)
expect(result[:status]).to eq(:success)
expect(result[:result]).to eq(branch.target)
end
it 'is based off HEAD when no start ref is passed' do
service.execute
merge_base = project.repository.merge_base(project.repository.root_ref, branch_name)
expect(merge_base).to eq(project.repository.commit('HEAD').sha)
end
context 'when specifying a different start branch' do
let(:start_branch) { 'with-codeowners' }
it 'is based of the correct branch' do
service.execute
merge_base = project.repository.merge_base(start_branch, branch_name)
expect(merge_base).to eq(project.repository.commit(start_branch).sha)
end
end
shared_examples 'an error response' do |expected_message|
it 'returns the correct error' do
result = service.execute
expect(result[:status]).to eq(:error)
expect(result[:message]).to match(expected_message)
end
end
context 'when the user does not have access' do
let(:user) { create(:user) }
it_behaves_like 'an error response',
'You are not allowed to push into this branch'
end
context 'when the patches are not valid' do
let(:patches) { "a" * 2.1.megabytes }
it_behaves_like 'an error response', 'Patches are too big'
end
context 'when the new branch name is invalid' do
let(:branch_name) { 'HEAD' }
it_behaves_like 'an error response', 'Branch name is invalid'
end
context 'when the patches do not apply' do
let(:branch_name) { 'feature' }
it_behaves_like 'an error response', 'Patch failed at'
end
context 'when specifying a non existent start branch' do
let(:start_branch) { 'does-not-exist' }
it_behaves_like 'an error response', 'Invalid reference name'
end
end
end
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