Add additional pullrequest prefixes and additional unit test to verify referencenames

Author: Enrique Raso Barbero

src/GitVersion.App.Tests/PullRequestInBuildAgentTest.cs

@@ -15,7 +15,9 @@ public class PullRequestInBuildAgentTest
     {
         "refs/pull-requests/5/merge",
         "refs/pull/5/merge",
-        "refs/heads/pull/5/head"
+        "refs/heads/pull/5/head",
+        "refs/remotes/pull/5/merge",
+        "refs/remotes/pull-requests/5/merge"
     };
 
     [TestCaseSource(nameof(PrMergeRefs))]
@@ -49,7 +51,6 @@ public async Task VerifyContinuaCIPullRequest(string pullRequestRef)
         await VerifyPullRequestVersionIsCalculatedProperly(pullRequestRef, env);
     }
 
-
     [TestCaseSource(nameof(PrMergeRefs))]
     public async Task VerifyDronePullRequest(string pullRequestRef)
     {
@@ -128,7 +129,6 @@ public async Task VerifyTravisCIPullRequest(string pullRequestRef)
         await VerifyPullRequestVersionIsCalculatedProperly(pullRequestRef, env);
     }
 
-
     [TestCaseSource(nameof(PrMergeRefs))]
     public async Task VerifyBitBucketPipelinesPullRequest(string pullRequestRef)
     {
@@ -180,4 +180,23 @@ private static async Task VerifyPullRequestVersionIsCalculatedProperly(string pu
         // Cleanup repository files
         DirectoryHelper.DeleteDirectory(remoteRepositoryPath);
     }
+
+    private static readonly object[] PrMergeRefInputs =
+    {
+        new object[] { "refs/pull-requests/5/merge", "refs/pull-requests/5/merge", false, true, false },
+        new object[] { "refs/pull/5/merge", "refs/pull/5/merge", false, true, false},
+        new object[] { "refs/heads/pull/5/head", "pull/5/head", true, false, false },
+        new object[] { "refs/remotes/pull/5/merge", "pull/5/merge", false, true, true },
+    };
+
+    [TestCaseSource(nameof(PrMergeRefInputs))]
+    public void VerifyPullRequestInput(string pullRequestRef, string friendly, bool isBranch, bool isPullRequest, bool isRemote)
+    {
+        var refName = new ReferenceName(pullRequestRef);
+
+        Assert.AreEqual(friendly, refName.Friendly);
+        Assert.AreEqual(isBranch, refName.IsBranch);
+        Assert.AreEqual(isPullRequest, refName.IsPullRequest);
+        Assert.AreEqual(isRemote, refName.IsRemoteBranch);
+    }
 }