refactoring and improving Trees tests

Octokit.Tests.Integration/Clients/TreeClientTests.cs

@@ -7,37 +7,82 @@ using Xunit;
 
 public class TreeClientTests : IDisposable
 {
-    ITreesClient _fixture;
-    Repository _repository;
-    string _owner;
+    readonly ITreesClient _fixture;
+    readonly Repository _repository;
+    readonly string _owner;
+    readonly GitHubClient _client;
 
     public TreeClientTests()
     {
-        var client = new GitHubClient(new ProductHeaderValue("OctokitTests"))
+        _client = new GitHubClient(new ProductHeaderValue("OctokitTests"))
         {
             Credentials = Helper.Credentials
         };
-        _fixture = client.GitDatabase.Tree;
+        _fixture = _client.GitDatabase.Tree;
 
         var repoName = Helper.MakeNameWithTimestamp("public-repo");
-        _repository = client.Repository.Create(new NewRepository { Name = repoName, AutoInit = true }).Result;
+        _repository = _client.Repository.Create(new NewRepository { Name = repoName, AutoInit = true }).Result;
         _owner = _repository.Owner.Login;
     }
 
-    [IntegrationTest(Skip="TODO")]
+    [IntegrationTest]
     public async Task CanCreateATree()
     {
-        // TODO: create a blob
-        // TODO: create a tree
+        var blob = new NewBlob
+        {
+            Content = "Hello World!",
+            Encoding = EncodingType.Utf8
+        };
 
+        var createdBlob = await _client.GitDatabase.Blob.Create(_owner, _repository.Name, blob);
+
+        var newTree = new NewTree();
+        newTree.Tree.Add(new NewTreeItem
+        {
+            Type = TreeType.Blob,
+            Path = "README.md",
+            Sha = createdBlob.Sha
+        });
+
+        var result = await _fixture.Create(_owner, _repository.Name, newTree);
+
+        Assert.NotNull(result);
     }
 
     [IntegrationTest]
     public async Task CanGetATree()
     {
-        var tree = await _fixture.Get("octokit", "octokit.net", "master");
+        var result = await _fixture.Get("octokit", "octokit.net", "master");
 
-        Assert.NotNull(tree);
+        Assert.NotNull(result);
+        Assert.NotEmpty(result.Tree);
+    }
+
+    [IntegrationTest]
+    public async Task CanGetACreatedTree()
+    {
+        var blob = new NewBlob
+        {
+            Content = "Hello World!",
+            Encoding = EncodingType.Utf8
+        };
+
+        var blobResult = await _client.GitDatabase.Blob.Create(_owner, _repository.Name, blob);
+
+        var newTree = new NewTree();
+        newTree.Tree.Add(new NewTreeItem
+        {
+            Type = TreeType.Blob,
+            Path = "README.md",
+            Sha = blobResult.Sha
+        });
+
+        var tree = await _fixture.Create(_owner, _repository.Name, newTree);
+
+        var result = await _fixture.Get(_owner, _repository.Name, tree.Sha);
+
+        Assert.NotNull(result);
+        Assert.Equal(1, result.Tree.Count);
     }
 
     public void Dispose()