public async Task EnsuresArgumentsNotNull()
        {
            var connection = Substitute.For<IApiConnection>();
            var client = new RepositoryCommentsClient(connection);

            await Assert.ThrowsAsync<ArgumentNullException>(() => client.GetAllForCommit(null, "name", "sha"));
            await Assert.ThrowsAsync<ArgumentException>(() => client.GetAllForCommit("", "name", "sha"));
            await Assert.ThrowsAsync<ArgumentNullException>(() => client.GetAllForCommit("owner", null, "sha"));
            await Assert.ThrowsAsync<ArgumentException>(() => client.GetAllForCommit("owner", "", "sha"));
            await Assert.ThrowsAsync<ArgumentNullException>(() => client.GetAllForCommit("owner", "name", null));
            await Assert.ThrowsAsync<ArgumentException>(() => client.GetAllForCommit("owner", "name", ""));
        }
        public void RequestsCorrectUrl()
        {
            var connection = Substitute.For<IApiConnection>();
            var client = new RepositoryCommentsClient(connection);

            client.GetAllForCommit("fake", "repo", "sha");

            connection.Received().GetAll<CommitComment>(Arg.Is<Uri>(u => u.ToString() == "repos/fake/repo/commits/sha/comments"));
        }
        public async Task RequestsCorrectUrlWithRepositoryIdWithApiOptions()
        {
            var connection = Substitute.For<IApiConnection>();
            var client = new RepositoryCommentsClient(connection);

            var options = new ApiOptions
            {
                StartPage = 1,
                PageCount = 1,
                PageSize = 1
            };

            await client.GetAllForCommit(1, "sha", options);

            connection.Received().GetAll<CommitComment>(Arg.Is<Uri>(u => u.ToString() == "repositories/1/commits/sha/comments"), options);
        }
        public async Task RequestsCorrectUrlWithRepositoryId()
        {
            var connection = Substitute.For<IApiConnection>();
            var client = new RepositoryCommentsClient(connection);

            await client.GetAllForCommit(1, "sha");

            connection.Received().GetAll<CommitComment>(Arg.Is<Uri>(u => u.ToString() == "repositories/1/commits/sha/comments"), 
                Args.ApiOptions);
        }
        public async Task RequestsCorrectUrlWithApiOptions()
        {
            var connection = Substitute.For<IApiConnection>();
            var client = new RepositoryCommentsClient(connection);

            var options = new ApiOptions
            {
                StartPage = 1,
                PageCount = 1,
                PageSize = 1
            };

            await client.GetAllForCommit("fake", "repo", "sha", options);

            connection.Received().GetAll<CommitComment>(Arg.Is<Uri>(u => u.ToString() == "repos/fake/repo/commits/sha/comments"), Arg.Any<Dictionary<string, string>>(),
                "application/vnd.github.squirrel-girl-preview", options);
        }
        public async Task RequestsCorrectUrlWithRepositoryId()
        {
            var connection = Substitute.For<IApiConnection>();
            var client = new RepositoryCommentsClient(connection);

            await client.GetAllForCommit(1, "sha");

            connection.Received().GetAll<CommitComment>(Arg.Is<Uri>(u => u.ToString() == "repositories/1/commits/sha/comments"),
                Arg.Any<Dictionary<string, string>>(),
                "application/vnd.github.squirrel-girl-preview",
                Args.ApiOptions);
        }