public async Task PostsToCorrectUrlWithRepositoryId()
        {
            const string issueCommentUpdate = "updated comment";
            var connection = Substitute.For<IApiConnection>();
            var client = new RepositoryCommentsClient(connection);

            await client.Update(1, 42, issueCommentUpdate);

            connection.Received().Patch<CommitComment>(Arg.Is<Uri>(u => u.ToString() == "repositories/1/comments/42"), Arg.Any<object>());
        }
        public async Task EnsuresNonNullArguments()
        {
            var connection = Substitute.For<IApiConnection>();
            var client = new RepositoryCommentsClient(connection);

            await Assert.ThrowsAsync<ArgumentNullException>(() => client.Update(null, "name", 42, "updated comment"));
            await Assert.ThrowsAsync<ArgumentNullException>(() => client.Update("owner", null, 42, "updated comment"));
            await Assert.ThrowsAsync<ArgumentNullException>(() => client.Update("owner", "name", 42, null));

            await Assert.ThrowsAsync<ArgumentNullException>(() => client.Update(1, 42, null));

            await Assert.ThrowsAsync<ArgumentException>(() => client.Update("", "name", 42, "updated comment"));
            await Assert.ThrowsAsync<ArgumentException>(() => client.Update("owner", "", 42, "updated comment"));
        }
        public void PostsToCorrectUrl()
        {
            const string issueCommentUpdate = "updated comment";
            var connection = Substitute.For<IApiConnection>();
            var client = new RepositoryCommentsClient(connection);

            client.Update("fake", "repo", 42, issueCommentUpdate);

            connection.Received().Patch<CommitComment>(Arg.Is<Uri>(u => u.ToString() == "repos/fake/repo/comments/42"), Arg.Any<object>());
        }