gitlab-org--gitlab-foss/spec/graphql/mutations/merge_requests/create_spec.rb

98 lines
2.8 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Mutations::MergeRequests::Create do
subject(:mutation) { described_class.new(object: nil, context: context, field: nil) }
let_it_be(:project) { create(:project, :public, :repository) }
let_it_be(:user) { create(:user) }
let_it_be(:context) do
GraphQL::Query::Context.new(
query: OpenStruct.new(schema: nil),
values: { current_user: user },
object: nil
)
end
describe '#resolve' do
subject do
mutation.resolve(
project_path: project.full_path,
title: title,
source_branch: source_branch,
target_branch: target_branch,
description: description,
labels: labels
)
end
let(:title) { 'MergeRequest' }
let(:source_branch) { 'feature' }
let(:target_branch) { 'master' }
let(:description) { nil }
let(:labels) { nil }
let(:mutated_merge_request) { subject[:merge_request] }
it 'raises an error if the resource is not accessible to the user' do
expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
end
context 'when user does not have enough permissions to create a merge request' do
before do
project.add_guest(user)
end
it 'raises an error if the resource is not accessible to the user' do
expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
end
end
context 'when the user can create a merge request' do
before_all do
project.add_developer(user)
end
it 'creates a new merge request' do
expect { mutated_merge_request }.to change(MergeRequest, :count).by(1)
end
it 'returns a new merge request' do
expect(mutated_merge_request.title).to eq(title)
expect(subject[:errors]).to be_empty
end
context 'when optional description field is set' do
let(:description) { 'content' }
it 'returns a new merge request with a description' do
expect(mutated_merge_request.description).to eq(description)
expect(subject[:errors]).to be_empty
end
end
context 'when optional labels field is set' do
let(:labels) { %w[label-1 label-2] }
it 'returns a new merge request with labels' do
expect(mutated_merge_request.labels.map(&:title)).to eq(labels)
expect(subject[:errors]).to be_empty
end
end
context 'when service cannot create a merge request' do
let(:title) { nil }
it 'does not create a new merge request' do
expect { mutated_merge_request }.not_to change(MergeRequest, :count)
end
it 'returns errors' do
expect(mutated_merge_request).to be_nil
expect(subject[:errors]).to eq(['Title can\'t be blank'])
end
end
end
end
end