/// <summary>
        /// Retrieves merge request from a project.
        /// By default returns opened merged requests created by anyone.
        /// </summary>
        /// <param name="projectId">The ID, path or <see cref="Project"/> of the project.</param>
        /// <param name="options">Merge requests retrieval options.</param>
        /// <returns>Merge requests satisfying options.</returns>
        public async Task <IList <MergeRequest> > GetAsync(ProjectId projectId, Action <ProjectMergeRequestsQueryOptions> options = null)
        {
            var projectMergeRequestOptions = new ProjectMergeRequestsQueryOptions();

            options?.Invoke(projectMergeRequestOptions);

            string query = _projectMergeRequestsQueryBuilder.
                           Build($"projects/{projectId}/merge_requests", projectMergeRequestOptions);

            return(await _httpFacade.GetPagedList <MergeRequest>(query));
        }
        public void NonDefaultQueryBuilt()
        {
            var sut = new ProjectMergeRequestsQueryBuilder();

            string query = sut.Build(
                "https://gitlab.com/api/v4/merge_requests",
                new ProjectMergeRequestsQueryOptions(3)
            {
                MergeRequestsIds = new[] { 4, 5 },
                State            = QueryMergeRequestState.Opened,
                Order            = MergeRequestsOrder.UpdatedAt,
                SortOrder        = SortOrder.Ascending,
                MilestoneTitle   = "milestone1",
                Simple           = true,
                Labels           = { "label1", "label2" },
                CreatedAfter     = new DateTime(1991, 11, 11, 1, 1, 1),
                CreatedBefore    = new DateTime(1991, 12, 12, 2, 2, 2),
                Scope            = Scope.All,
                AuthorId         = 1,
                AssigneeId       = 2
            });

            query.Should().Be("https://gitlab.com/api/v4/merge_requests?" +
                              "id=3&" +
                              "iids%5b%5d=4&iids%5b%5d=5&" +
                              "state=opened&" +
                              "order_by=updated_at&" +
                              "sort=asc&" +
                              "milestone=milestone1&" +
                              "view=simple&" +
                              "labels=label1%2clabel2&" +
                              "created_after=1991-11-11T01%3a01%3a01.0000000&" +
                              "created_before=1991-12-12T02%3a02%3a02.0000000&" +
                              "scope=all&" +
                              "author_id=1&" +
                              "assignee_id=2");
        }