public void EnsuresNonNullArguments()
            {
                var gitHubClient = Substitute.For<IGitHubClient>();
                var client = new ObservableRepositoryContentsClient(gitHubClient);

                Assert.Throws<ArgumentNullException>(() => client.UpdateFile(null, "repo", "path/to/file", new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch")));
                Assert.Throws<ArgumentNullException>(() => client.UpdateFile("org", null, "path/to/file", new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch")));
                Assert.Throws<ArgumentNullException>(() => client.UpdateFile("org", "repo", null, new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch")));
                Assert.Throws<ArgumentNullException>(() => client.UpdateFile("org", "repo", "path/to/file", null));

                Assert.Throws<ArgumentNullException>(() => client.UpdateFile(1, null, new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch")));
                Assert.Throws<ArgumentNullException>(() => client.UpdateFile(1, "path/to/file", null));

                Assert.Throws<ArgumentException>(() => client.UpdateFile("", "repo", "path/to/file", new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch")));
                Assert.Throws<ArgumentException>(() => client.UpdateFile("org", "", "path/to/file", new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch")));
                Assert.Throws<ArgumentException>(() => client.UpdateFile("org", "repo", "", new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch")));

                Assert.Throws<ArgumentException>(() => client.UpdateFile(1, "", new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch")));
            }
            public void PassesRequestObjectWithRepositoriesId()
            {
                var connection = Substitute.For<IConnection>();
                var gitHubClient = new GitHubClient(connection);
                var client = new ObservableRepositoryContentsClient(gitHubClient);

                client.UpdateFile(1, "path/to/file", new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch"));

                gitHubClient.Connection.Received().Put<RepositoryContentChangeSet>(
                    Arg.Any<Uri>(),
                    Arg.Is<UpdateFileRequest>(a =>
                        a.Message == "message"
                        && a.Content == "myfilecontents"
                        && a.Sha == "1234abc"
                        && a.Branch == "mybranch"));
            }
            public void PassesRequestObjectWithExplicitBase64()
            {
                var connection = Substitute.For<IConnection>();
                var gitHubClient = new GitHubClient(connection);
                var client = new ObservableRepositoryContentsClient(gitHubClient);

                client.UpdateFile("org", "repo", "path/to/file", new UpdateFileRequest("message", "bXlmaWxlY29udGVudHM=", "1234abc", "mybranch", false));

                gitHubClient.Connection.Received().Put<RepositoryContentChangeSet>(
                    Arg.Any<Uri>(),
                    Arg.Is<UpdateFileRequest>(a =>
                        a.Message == "message"
                        && a.Content == "bXlmaWxlY29udGVudHM="
                        && a.Sha == "1234abc"
                        && a.Branch == "mybranch"));
            }
            public void RequestsCorrectUrlWithRepositoryId()
            {
                var connection = Substitute.For<IConnection>();
                var gitHubClient = new GitHubClient(connection);
                var client = new ObservableRepositoryContentsClient(gitHubClient);

                string expectedUri = "repositories/1/contents/path/to/file";
                client.UpdateFile(1, "path/to/file", new UpdateFileRequest("message", "myfilecontents", "1234abc", "mybranch"));

                gitHubClient.Connection.Received().Put<RepositoryContentChangeSet>(Arg.Is<Uri>(u => u.ToString() == expectedUri), Arg.Any<object>());
            }
            public void RequestsCorrectUrlWithExplicitBase64()
            {
                var connection = Substitute.For<IConnection>();
                var gitHubClient = new GitHubClient(connection);
                var client = new ObservableRepositoryContentsClient(gitHubClient);

                string expectedUri = "repos/org/repo/contents/path/to/file";
                client.UpdateFile("org", "repo", "path/to/file", new UpdateFileRequest("message", "bXlmaWxlY29udGVudHM=", "1234abc", "mybranch", false));

                gitHubClient.Connection.Received().Put<RepositoryContentChangeSet>(Arg.Is<Uri>(u => u.ToString() == expectedUri), Arg.Any<object>());
            }