Request for querying collections.
        /// <summary>
        /// Get collections by a specified request.
        /// </summary>
        /// <param name="request">Query request.</param>
        /// <returns>List of Collection objects.</returns>
        public async Task<List<Collection>> Get(GetCollectionRequest request)
        {
            if(request.ProjectId == null)
                throw new ArgumentNullException();

            var withTags = request.Tags == null ? new List<string>() : new List<string>(request.Tags);
            if(request.Tag != null)
                withTags.Add(request.Tag);
            var withTagsArray = withTags.Count == 0 ? null : withTags.ToArray();

            return
                await
                    _syncanoClient.PostAsync<List<Collection>>("collection.get",
                        new {project_id = request.ProjectId, status = request.Status.ToString(), with_tags = withTagsArray},
                        "collection");
        }
        public async Task Get_WithNullProjectId_ThrowsException(CollectionSyncanoClient client)
        {
            //given
            var request = new GetCollectionRequest();
            request.ProjectId = null;

            try
            {
                //when
                await client.Get(request);
                throw new Exception("Get should throw an exception");
            }
            catch (Exception e)
            {
                //then
                e.ShouldBeType<ArgumentNullException>();
            }
        }
        public async Task Get_MultipleTagVersion_WithEmptyTags(CollectionSyncanoClient client)
        {
            //given
            //given
            var tags = new List<string>();
            var collection = await client.New(TestData.ProjectId, "Get test");
            var request = new GetCollectionRequest();
            request.ProjectId = TestData.ProjectId;
            request.Tags = tags;
            
            //when
            var result = await client.Get(request);
            
            //then
            result.ShouldNotBeEmpty();
            result.Any(c => c.Id == collection.Id).ShouldBeTrue();

            //cleanup
            await client.Delete(TestData.ProjectId, collection.Id);

        }
        public async Task Get_MultipleTagVersion_WithTagsAndTag(CollectionSyncanoClient client)
        {
            //given
            var tags = new List<string> { "abc", "def", "ghi", "jkl" };
            var collection = await client.New(TestData.ProjectId, "Get test");
            var tagRequest = new ManageCollactionTagsRequest();
            tagRequest.ProjectId = TestData.ProjectId;
            tagRequest.Tags = tags;
            tagRequest.CollectionId = collection.Id;
            await client.AddTag(tagRequest);
            var request = new GetCollectionRequest();
            request.ProjectId = TestData.ProjectId;
            request.Tags = new List<string> {tags[0], tags[1], tags[2]};
            request.Tag = tags[3];
            request.Status = CollectionStatus.Inactive;

            //when
            var result = await client.Get(request);

            //then
            result.ShouldNotBeEmpty();

            //cleanup
            await client.Delete(TestData.ProjectId, collection.Id);
        }
        public async Task DeleteTag_MultipleTagVersion_ByCollectionKey_WithWeightAndRemoveOther(CollectionSyncanoClient client)
        {
            //given
            string collectionName = "NewCollection test " + DateTime.Now.ToLongTimeString() + " " +
                                    DateTime.Now.ToShortDateString();
            const string collectionKey = "qwert";
            var tags = new[] { "abc", "def", "ghi" };

            var collection =
                await client.New(TestData.ProjectId, collectionName, collectionKey);
            await client.Activate(TestData.ProjectId, collection.Id, true);

            var tagRequest = new ManageCollactionTagsRequest();
            tagRequest.ProjectId = TestData.ProjectId;
            tagRequest.Tags = new List<string>(tags);
            tagRequest.CollectionKey = collectionKey;

            await client.AddTag(tagRequest, 10.84, true);

            //when
            var result = await client.DeleteTag(tagRequest);
            var request = new GetCollectionRequest();
            request.ProjectId = TestData.ProjectId;
            request.Tag = tags[0];
            var array = await client.Get(request);

            //then
            result.ShouldBeTrue();
            array.ShouldBeEmpty();

            //cleanup
            await client.Delete(TestData.ProjectId, collection.Id);
        }
        public async Task AddTag_RemoveOtherTest(CollectionSyncanoClient client)
        {
            //given
            string collectionName = "NewCollection test " + DateTime.Now.ToLongTimeString() + " " +
                                    DateTime.Now.ToShortDateString();
            const string collectionKey = "qwert";
            var tags = new[] { "abc", "def", "ghi" };
            var tag = "jkl";

            var collection =
                await client.New(TestData.ProjectId, collectionName, collectionKey);

            var tagRequest = new ManageCollactionTagsRequest();
            tagRequest.ProjectId = TestData.ProjectId;
            tagRequest.CollectionId = collection.Id;
            tagRequest.Tag = tag;
            await client.AddTag(tagRequest);

            tagRequest.Tags = new List<string>(tags);
            tagRequest.Tag = null;

            //when
            var result = await client.AddTag(tagRequest, 10.84, true);
            var request = new GetCollectionRequest();
            request.ProjectId = TestData.ProjectId;
            request.Tags = new List<string>(tags);
            var array = await client.Get(request);

            //then
            result.ShouldBeTrue();
            array.ShouldNotBeEmpty();
            array.Any(c => c.Tags.Count == tags.Length).ShouldBeTrue();

            //cleanup
            await client.Delete(TestData.ProjectId, collection.Id);
        }
        public async Task Get_OneTagVersion_WithTagAndStatus(CollectionSyncanoClient client)
        {
            //given
            string tag = "qwert";
            var collection = await client.New(TestData.ProjectId, "Get test");
            var tagRequest = new ManageCollactionTagsRequest();
            tagRequest.ProjectId = TestData.ProjectId;
            tagRequest.Tag = tag;
            tagRequest.CollectionId = collection.Id;
            await client.AddTag(tagRequest);
            var request = new GetCollectionRequest();
            request.ProjectId = TestData.ProjectId;
            request.Tag = tag;
            request.Status = CollectionStatus.Inactive;

            //when
            var result = await client.Get(request);

            //then
            result.ShouldNotBeEmpty();

            //cleanup
            await client.Delete(TestData.ProjectId, collection.Id);
        }
        public async Task Get_NoTagVersion_WithInctiveStatus(CollectionSyncanoClient client)
        {
            //given
            var collection = await client.New(TestData.ProjectId, "Get test");
            var request = new GetCollectionRequest();
            request.ProjectId = TestData.ProjectId;
            request.Status = CollectionStatus.Inactive;

            //when
            var result = await client.Get(request);

            //then
            result.ShouldNotBeEmpty();
            result.Any(c => c.Id == collection.Id).ShouldBeTrue();

            //cleanup
            await client.Delete(TestData.ProjectId, collection.Id);
        }
        public async Task Get_NoTagVersion_WitActiveStatus(CollectionSyncanoClient client)
        {
            //given
            var request = new GetCollectionRequest();
            request.ProjectId = TestData.ProjectId;
            request.Status = CollectionStatus.Active;

            //when
            var result = await client.Get(request);

            //then
            result.ShouldNotBeEmpty();
            result.Any(c => c.Id == TestData.CollectionId).ShouldBeTrue();
        }
        public async Task Get_NoTagVersion_WithoutStatus(CollectionSyncanoClient client)
        {
            //given
            var request = new GetCollectionRequest();
            request.ProjectId = TestData.ProjectId;

            //when
            var result = await client.Get(request);

            //then
            result.ShouldNotBeEmpty();
        }