Access to the last ApiInfo object

Octokit.Reactive/IObservableGitHubClient.cs

@@ -1,6 +1,6 @@
 namespace Octokit.Reactive
 {
-    public interface IObservableGitHubClient
+    public interface IObservableGitHubClient : IApiInfoProvider
     {
         IConnection Connection { get; }
 

Octokit.Reactive/ObservableGitHubClient.cs

@@ -68,5 +68,14 @@ public IConnection Connection
         public IObservableNotificationsClient Notification { get; private set; }
         public IObservableGitDatabaseClient GitDatabase { get; private set; }
         public IObservableSearchClient Search { get; private set; }
+
+        /// <summary>
+        /// Gets the latest API Info - this will be null if no API calls have been made
+        /// </summary>
+        /// <returns><seealso cref="ApiInfo"/> representing the information returned as part of an Api call</returns>
+        public ApiInfo GetLastApiInfo()
+        { 
+            return _gitHubClient.Connection.GetLastApiInfo();
+        }
     }
 }

Octokit.Tests.Integration/Clients/GitHubClientTests.cs

@@ -0,0 +1,83 @@
+using Octokit;
+using Octokit.Tests.Integration;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+public class GitHubClientTests
+{
+    public class TheLastApiInfoProperty
+    {
+        [IntegrationTest]
+        public async Task CanRetrieveLastApiInfoWithEtag()
+        {
+            // To check for etag, I'm using a new repository
+            // As per suggestion here -> https://github.com/octokit/octokit.net/pull/855#issuecomment-126966532
+            var github = Helper.GetAuthenticatedClient();
+            var repoName = Helper.MakeNameWithTimestamp("public-repo");
+
+            var createdRepository = await github.Repository.Create(new NewRepository(repoName));
+
+            try
+            {
+                var result = github.GetLastApiInfo();
+
+                Assert.True(result.Links.Count == 0);
+                Assert.True(result.AcceptedOauthScopes.Count > -1);
+                Assert.True(result.OauthScopes.Count > -1);
+                Assert.False(String.IsNullOrEmpty(result.Etag));
+                Assert.True(result.RateLimit.Limit > 0);
+                Assert.True(result.RateLimit.Remaining > -1);
+                Assert.NotNull(result.RateLimit.Reset);
+            }
+            finally
+            {
+                Helper.DeleteRepo(createdRepository);
+            }
+        }
+
+        [IntegrationTest]
+        public async Task CanRetrieveLastApiInfoWithLinks()
+        {
+            // To check for links, I'm doing a list of all contributors to the octokit.net project
+            // Adapted from suggestion here -> https://github.com/octokit/octokit.net/pull/855#issuecomment-126966532
+            var github = Helper.GetAuthenticatedClient();
+
+            await github.Repository.GetAllContributors("octokit", "octokit.net");
+
+            var result = github.GetLastApiInfo();
+
+            Assert.True(result.Links.Count > 0);
+            Assert.True(result.AcceptedOauthScopes.Count > -1);
+            Assert.True(result.OauthScopes.Count > -1);
+            Assert.False(String.IsNullOrEmpty(result.Etag));
+            Assert.True(result.RateLimit.Limit > 0);
+            Assert.True(result.RateLimit.Remaining > -1);
+            Assert.NotNull(result.RateLimit.Reset);
+        }
+
+        [PersonalAccessTokenTest]
+        public async Task CanRetrieveLastApiInfoAcceptedOauth()
+        {
+            // To check for OAuth & AcceptedOAuth I'm getting the octokit user
+            // Adapted from suggestion here -> https://github.com/octokit/octokit.net/pull/855#issuecomment-126966532
+            var github = Helper.GetAuthenticatedClient();
+
+            await github.User.Get("octokit");
+
+            var result = github.GetLastApiInfo();
+
+            Assert.True(result.Links.Count == 0);
+            Assert.True(result.AcceptedOauthScopes.Count > 0);
+            Assert.True(result.OauthScopes.Count > 0);
+            Assert.False(String.IsNullOrEmpty(result.Etag));
+            Assert.True(result.RateLimit.Limit > 0);
+            Assert.True(result.RateLimit.Remaining > -1);
+            Assert.NotNull(result.RateLimit.Reset);
+        }
+
+    }
+}

Octokit.Tests.Integration/Helper.cs

@@ -12,7 +12,7 @@ public static class Helper
             var githubUsername = Environment.GetEnvironmentVariable("OCTOKIT_GITHUBUSERNAME");
             UserName = githubUsername;
             Organization = Environment.GetEnvironmentVariable("OCTOKIT_GITHUBORGANIZATION");
-            
+
             var githubToken = Environment.GetEnvironmentVariable("OCTOKIT_OAUTHTOKEN");
 
             if (githubToken != null)
@@ -52,6 +52,14 @@ static Helper()
 
         public static Credentials ApplicationCredentials { get { return _oauthApplicationCredentials.Value; } }
 
+        public static bool IsUsingToken
+        {
+            get
+            {
+                return !String.IsNullOrWhiteSpace(Environment.GetEnvironmentVariable("OCTOKIT_OAUTHTOKEN"));
+            }
+        }
+
         public static bool IsPaidAccount
         {
             get

Octokit.Tests.Integration/Helpers/PersonalAccessTokenTestAttribute.cs

@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+using System.Linq;
+using Xunit;
+using Xunit.Abstractions;
+using Xunit.Sdk;
+
+namespace Octokit.Tests.Integration
+{
+    public class PersonalAccessTokenTestDiscoverer : IXunitTestCaseDiscoverer
+    {
+        readonly IMessageSink diagnosticMessageSink;
+
+        public PersonalAccessTokenTestDiscoverer(IMessageSink diagnosticMessageSink)
+        {
+            this.diagnosticMessageSink = diagnosticMessageSink;
+        }
+
+        public IEnumerable<IXunitTestCase> Discover(ITestFrameworkDiscoveryOptions discoveryOptions, ITestMethod testMethod, IAttributeInfo factAttribute)
+        {
+            return Helper.IsUsingToken
+                ? new[] { new XunitTestCase(diagnosticMessageSink, discoveryOptions.MethodDisplayOrDefault(), testMethod) } 
+                : Enumerable.Empty<IXunitTestCase>();
+        }
+    }
+
+    [XunitTestCaseDiscoverer("Octokit.Tests.Integration.PersonalAccessTokenTestDiscoverer", "Octokit.Tests.Integration")]
+    public class PersonalAccessTokenTestAttribute : FactAttribute
+    {
+    }
+}

Octokit.Tests.Integration/Octokit.Tests.Integration.csproj

@@ -75,6 +75,7 @@
     <Compile Include="Clients\AuthorizationClientTests.cs" />
     <Compile Include="Clients\BlobClientTests.cs" />
     <Compile Include="Clients\BranchesClientTests.cs" />
+    <Compile Include="Clients\GitHubClientTests.cs" />
     <Compile Include="Clients\MergingClientTests.cs" />
     <Compile Include="Clients\CommitsClientTests.cs" />
     <Compile Include="Clients\CommitStatusClientTests.cs" />
@@ -101,6 +102,7 @@
     <Compile Include="fixtures\RepositoriesHooksCollection.cs" />
     <Compile Include="fixtures\RepositoriesHooksFixture.cs" />
     <Compile Include="Helpers\ApplicationTestAttribute.cs" />
+    <Compile Include="Helpers\PersonalAccessTokenTestAttribute.cs" />
     <Compile Include="Helpers\PaidAccountTestAttribute.cs" />
     <Compile Include="Helpers\RepositorySetupHelper.cs" />
     <Compile Include="HttpClientAdapterTests.cs" />

Octokit.Tests/GitHubClientTests.cs

@@ -5,6 +5,7 @@
 using Octokit.Internal;
 using Xunit;
 using Xunit.Extensions;
+using System.Collections.Generic;
 
 namespace Octokit.Tests
 {
@@ -104,5 +105,71 @@ public void IsRetrievedFromCredentialStore()
                 Assert.Equal("bar", client.Credentials.Password);
             }
         }
+
+        public class TheLastApiInfoProperty
+        {
+            [Fact]
+            public async Task ReturnsNullIfNew()
+            {
+                var connection = Substitute.For<IConnection>();
+                connection.GetLastApiInfo().Returns((ApiInfo)null);
+                var client = new GitHubClient(connection);
+
+                var result = client.GetLastApiInfo();
+
+                Assert.Null(result);
+
+                var temp = connection.Received(1).GetLastApiInfo();
+            }
+
+            [Fact]
+            public async Task ReturnsObjectIfNotNew()
+            {
+                var apiInfo = new ApiInfo(
+                                new Dictionary<string, Uri>
+                                {
+                                    {
+                                        "next",
+                                        new Uri("https://api.github.com/repos/rails/rails/issues?page=4&per_page=5")
+                                    },
+                                    {
+                                        "last",
+                                        new Uri("https://api.github.com/repos/rails/rails/issues?page=131&per_page=5")
+                                    },
+                                    {
+                                        "first",
+                                        new Uri("https://api.github.com/repos/rails/rails/issues?page=1&per_page=5")
+                                    },
+                                    {
+                                        "prev",
+                                        new Uri("https://api.github.com/repos/rails/rails/issues?page=2&per_page=5")
+                                    }
+                                },
+                                new List<string>
+                                {
+                                    "user",
+                                },
+                                new List<string>
+                                {
+                                    "user", 
+                                    "public_repo",
+                                    "repo",
+                                    "gist"
+                                },
+                                "5634b0b187fd2e91e3126a75006cc4fa",
+                                new RateLimit(100, 75, 1372700873)
+                            );
+                var connection = Substitute.For<IConnection>();
+                connection.GetLastApiInfo().Returns(apiInfo);
+                var client = new GitHubClient(connection);
+
+                var result = client.GetLastApiInfo();
+
+                Assert.NotNull(result);
+
+                var temp = connection.Received(1).GetLastApiInfo();
+            }
+        }
+
     }
 }

Octokit.Tests/Http/ApiInfoTests.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Octokit.Tests.Http
+{
+    public class ApiInfoTests
+    {
+        public class TheMethods
+        {
+            [Fact]
+            public void CanClone()
+            {
+                var original = new ApiInfo(
+                                new Dictionary<string, Uri>
+                                {
+                                    {
+                                        "next",
+                                        new Uri("https://api.github.com/repos/rails/rails/issues?page=4&per_page=5")
+                                    },
+                                    {
+                                        "last",
+                                        new Uri("https://api.github.com/repos/rails/rails/issues?page=131&per_page=5")
+                                    },
+                                    {
+                                        "first",
+                                        new Uri("https://api.github.com/repos/rails/rails/issues?page=1&per_page=5")
+                                    },
+                                    {
+                                        "prev",
+                                        new Uri("https://api.github.com/repos/rails/rails/issues?page=2&per_page=5")
+                                    }
+                                },
+                                new List<string>
+                                {
+                                    "user",
+                                },
+                                new List<string>
+                                {
+                                    "user", 
+                                    "public_repo",
+                                    "repo",
+                                    "gist"
+                                },
+                                "5634b0b187fd2e91e3126a75006cc4fa",
+                                new RateLimit(100, 75, 1372700873)
+                            );
+
+                var clone = original.Clone();
+
+                // Note the use of Assert.NotSame tests for value types - this should continue to test should the underlying 
+                // model are changed to Object types
+                Assert.NotSame(original, clone);
+
+                Assert.Equal(original.Etag, clone.Etag);
+                Assert.NotSame(original.Etag, clone.Etag);
+
+                Assert.Equal(original.AcceptedOauthScopes.Count, clone.AcceptedOauthScopes.Count);
+                Assert.NotSame(original.AcceptedOauthScopes, clone.AcceptedOauthScopes);
+                for (int i = 0; i < original.AcceptedOauthScopes.Count; i++)
+                {
+                    Assert.Equal(original.AcceptedOauthScopes[i], clone.AcceptedOauthScopes[i]);
+                    Assert.NotSame(original.AcceptedOauthScopes[i], clone.AcceptedOauthScopes[i]);
+                }
+
+                Assert.Equal(original.Links.Count, clone.Links.Count);
+                Assert.NotSame(original.Links, clone.Links);
+                for (int i = 0; i < original.Links.Count; i++)
+                {
+                    Assert.Equal(original.Links.Keys.ToArray()[i], clone.Links.Keys.ToArray()[i]);
+                    Assert.NotSame(original.Links.Keys.ToArray()[i], clone.Links.Keys.ToArray()[i]);
+                    Assert.Equal(original.Links.Values.ToArray()[i].ToString(), clone.Links.Values.ToArray()[i].ToString());
+                    Assert.NotSame(original.Links.Values.ToArray()[i], clone.Links.Values.ToArray()[i]);
+                }
+
+                Assert.Equal(original.OauthScopes.Count, clone.OauthScopes.Count);
+                Assert.NotSame(original.OauthScopes, clone.OauthScopes);
+                for (int i = 0; i < original.OauthScopes.Count; i++)
+                {
+                    Assert.Equal(original.OauthScopes[i], clone.OauthScopes[i]);
+                    Assert.NotSame(original.OauthScopes[i], clone.OauthScopes[i]);
+                }
+
+                Assert.NotSame(original.RateLimit, clone.RateLimit);
+                Assert.Equal(original.RateLimit.Limit, clone.RateLimit.Limit);
+                Assert.NotSame(original.RateLimit.Limit, clone.RateLimit.Limit);
+                Assert.Equal(original.RateLimit.Remaining, clone.RateLimit.Remaining);
+                Assert.NotSame(original.RateLimit.Remaining, clone.RateLimit.Remaining);
+                Assert.Equal(original.RateLimit.ResetAsUtcEpochSeconds, clone.RateLimit.ResetAsUtcEpochSeconds);
+                Assert.NotSame(original.RateLimit.ResetAsUtcEpochSeconds, clone.RateLimit.ResetAsUtcEpochSeconds);
+                Assert.Equal(original.RateLimit.Reset, clone.RateLimit.Reset);
+                Assert.NotSame(original.RateLimit.Reset, clone.RateLimit.Reset);
+            }
+        }
+
+    }
+}