Make Remote IEquatable

nulltoken · nulltoken · commit 318e7cad226d · 2012-02-25T19:08:48.000+01:00
diff --git a/LibGit2Sharp.Tests/RemoteFixture.cs b/LibGit2Sharp.Tests/RemoteFixture.cs
@@ -26,5 +26,31 @@ public void GettingRemoteThatDoesntExistThrows()
                 repo.Remotes["test"].ShouldBeNull();
             }
         }
+
+        [Test]
+        public void CanCheckEqualityOfRemote()
+        {
+            TemporaryCloneOfTestRepo path = BuildTemporaryCloneOfTestRepo(StandardTestRepoPath);
+
+            using (var repo = new Repository(path.RepositoryPath))
+            {
+                Remote oneOrigin = repo.Remotes["origin"];
+                oneOrigin.ShouldNotBeNull();
+
+                Remote otherOrigin = repo.Remotes["origin"];
+                otherOrigin.ShouldEqual(oneOrigin);
+
+                repo.Config.Set("remote.origin2.url", oneOrigin.Url);
+
+                /* LibGit2 cringes when a remote doesn't expose a fetch refspec */
+                var originFetch = repo.Config.Get<string>("remote", "origin", "fetch", null);
+                repo.Config.Set("remote.origin2.fetch", originFetch);
+
+                Remote differentRemote = repo.Remotes["origin2"];
+                differentRemote.ShouldNotBeNull();
+
+                differentRemote.ShouldNotEqual(oneOrigin);
+            }
+        }
     }
 }
diff --git a/LibGit2Sharp/Remote.cs b/LibGit2Sharp/Remote.cs
@@ -1,10 +1,16 @@
-﻿namespace LibGit2Sharp
+﻿using System;
+using LibGit2Sharp.Core;
+
+namespace LibGit2Sharp
 {
     /// <summary>
     ///   A remote repository whose branches are tracked.
     /// </summary>
-    public class Remote
+    public class Remote : IEquatable<Remote>
     {
+        private static readonly LambdaEqualityHelper<Remote> equalityHelper =
+            new LambdaEqualityHelper<Remote>(new Func<Remote, object>[] { x => x.Name, x => x.Url });
+
         /// <summary>
         ///   Gets the alias of this remote repository.
         /// </summary>
@@ -14,5 +20,56 @@ public class Remote
         ///   Gets the urls to use to communicate with this remote repository.
         /// </summary>
         public string Url { get; internal set; }
+
+        /// <summary>
+        ///   Determines whether the specified <see cref = "Object" /> is equal to the current <see cref = "Remote" />.
+        /// </summary>
+        /// <param name = "obj">The <see cref = "Object" /> to compare with the current <see cref = "Remote" />.</param>
+        /// <returns>True if the specified <see cref = "Object" /> is equal to the current <see cref = "Remote" />; otherwise, false.</returns>
+        public override bool Equals(object obj)
+        {
+            return Equals(obj as Remote);
+        }
+
+        /// <summary>
+        ///   Determines whether the specified <see cref = "Remote" /> is equal to the current <see cref = "Remote" />.
+        /// </summary>
+        /// <param name = "other">The <see cref = "Remote" /> to compare with the current <see cref = "Remote" />.</param>
+        /// <returns>True if the specified <see cref = "Remote" /> is equal to the current <see cref = "Remote" />; otherwise, false.</returns>
+        public bool Equals(Remote other)
+        {
+            return equalityHelper.Equals(this, other);
+        }
+
+        /// <summary>
+        ///   Returns the hash code for this instance.
+        /// </summary>
+        /// <returns>A 32-bit signed integer hash code.</returns>
+        public override int GetHashCode()
+        {
+            return equalityHelper.GetHashCode(this);
+        }
+
+        /// <summary>
+        ///   Tests if two <see cref = "Remote" /> are equal.
+        /// </summary>
+        /// <param name = "left">First <see cref = "Remote" /> to compare.</param>
+        /// <param name = "right">Second <see cref = "Remote" /> to compare.</param>
+        /// <returns>True if the two objects are equal; false otherwise.</returns>
+        public static bool operator ==(Remote left, Remote right)
+        {
+            return Equals(left, right);
+        }
+
+        /// <summary>
+        ///   Tests if two <see cref = "Remote" /> are different.
+        /// </summary>
+        /// <param name = "left">First <see cref = "Remote" /> to compare.</param>
+        /// <param name = "right">Second <see cref = "Remote" /> to compare.</param>
+        /// <returns>True if the two objects are different; false otherwise.</returns>
+        public static bool operator !=(Remote left, Remote right)
+        {
+            return !Equals(left, right);
+        }
     }
 }
