test: add tests for the majority of the Core assembly

.gitignore

@@ -71,3 +71,5 @@ crashlytics-build.properties
 Packages/io.savolainen.test/
 CodeCoverage/
 /artifacts/
+
+.DS_Store

Packages/io.savolainen.unitygit-tests/Core/FileStatusUtilitiesTests.cs

@@ -1,5 +1,6 @@
 using NUnit.Framework;
 using LibGit2Sharp;
+using NSubstitute;
 using UnityGit.Core.Utilities;
 
 namespace UnityGit.Tests.Core
@@ -16,13 +17,35 @@ public void IsModified_ReturnsTrue_WhenStatusHasModifiedFlags()
             Assert.IsTrue(result);
         }
 
+        [Test]
+        public void IsModified_ReturnsTrue_WhenEntryHasModifiedFlags()
+        {
+            var entry = Substitute.For<StatusEntry>();
+            entry.State.Returns(FileStatus.ModifiedInIndex | FileStatus.ModifiedInWorkdir);
+
+            var result = FileStatusUtilities.IsModified(entry);
+
+            Assert.IsTrue(result);
+        }
+
         [Test]
         public void IsModified_ReturnsFalse_WhenStatusDoesNotHaveModifiedFlags()
         {
             var result = FileStatusUtilities.IsModified(FileStatus.Unaltered);
 
             Assert.IsFalse(result);
         }
+
+        [Test]
+        public void IsModified_ReturnsFalse_WhenEntryDoesNotHaveModifiedFlags()
+        {
+            var entry = Substitute.For<StatusEntry>();
+            entry.State.Returns(FileStatus.Unaltered);
+
+            var result = FileStatusUtilities.IsModified(entry);
+
+            Assert.IsFalse(result);
+        }
 
         [Test]
         public void IsNew_ReturnsTrue_WhenStatusHasNewFlags()
@@ -32,6 +55,17 @@ public void IsNew_ReturnsTrue_WhenStatusHasNewFlags()
 
             Assert.IsTrue(result);
         }
+
+        [Test]
+        public void IsNew_ReturnsTrue_WhenEntryHasNewFlags()
+        {
+            var entry = Substitute.For<StatusEntry>();
+            entry.State.Returns(FileStatus.NewInIndex | FileStatus.NewInWorkdir);
+
+            var result = FileStatusUtilities.IsNew(entry);
+
+            Assert.IsTrue(result);
+        }
 
         [Test]
         public void IsNew_ReturnsFalse_WhenStatusDoesNotHaveNewFlags()
@@ -40,6 +74,17 @@ public void IsNew_ReturnsFalse_WhenStatusDoesNotHaveNewFlags()
 
             Assert.IsFalse(result);
         }
+
+        [Test]
+        public void IsNew_ReturnsFalse_WhenEntryDoesNotHaveNewFlags()
+        {
+            var entry = Substitute.For<StatusEntry>();
+            entry.State.Returns(FileStatus.Unaltered);
+
+            var result = FileStatusUtilities.IsNew(entry);
+
+            Assert.IsFalse(result);
+        }
 
         [Test]
         public void IsRenamed_ReturnsTrue_WhenStatusHasRenamedFlags()
@@ -82,6 +127,17 @@ public void Exists_ReturnsTrue_WhenStatusDoesNotExistFlagsAreNotSet()
 
             Assert.IsTrue(result);
         }
+
+        [Test]
+        public void Exists_ReturnsTrue_WhenEntryDoesNotExistFlagsAreNotSet()
+        {
+            var entry = Substitute.For<StatusEntry>();
+            entry.State.Returns(FileStatus.Unaltered);
+
+            var result = FileStatusUtilities.Exists(entry);
+
+            Assert.IsTrue(result);
+        }
 
         [Test]
         public void Exists_ReturnsFalse_WhenStatusHasNonexistentFlag()
@@ -99,5 +155,20 @@ public void Exists_ReturnsFalse_WhenStatusHasDeletedFlags()
 
             Assert.IsFalse(result);
         }
+
+        [Test]
+        public void Exists_ReturnsFalse_WhenEntryHasNonexistentOrDeletedFlags()
+        {
+            var entryDeleted = Substitute.For<StatusEntry>();
+            entryDeleted.State.Returns(FileStatus.DeletedFromIndex | FileStatus.DeletedFromWorkdir);
+            var entryNonexistent = Substitute.For<StatusEntry>();
+            entryNonexistent.State.Returns(FileStatus.Nonexistent);
+
+            var deletedResult = FileStatusUtilities.Exists(entryDeleted);
+            var nonexistentResult = FileStatusUtilities.Exists(entryNonexistent);
+
+            Assert.IsFalse(deletedResult);
+            Assert.IsFalse(nonexistentResult);
+        }
     }
 }

Packages/io.savolainen.unitygit-tests/Core/Services/CheckoutServiceTests.cs

@@ -3,6 +3,7 @@
 using NSubstitute;
 using NSubstitute.ExceptionExtensions;
 using NUnit.Framework;
+using UIComponents.Testing;
 using UnityGit.Core.Services;
 
 namespace UnityGit.Tests.Core.Services
@@ -25,7 +26,7 @@ public void SetUp()
             _branch = Substitute.For<Branch>();
             var tip = Substitute.For<Commit>();
             _branch.Tip.Returns(tip);
-            _checkoutService = new ServiceTestBed<CheckoutService>()
+            _checkoutService = new TestBed<CheckoutService>()
                 .WithSingleton(_logService)
                 .WithSingleton(_commandsService)
                 .Instantiate();

Packages/io.savolainen.unitygit-tests/Core/Services/CommitServiceTests.cs

@@ -3,6 +3,7 @@
 using NSubstitute;
 using NSubstitute.ExceptionExtensions;
 using NUnit.Framework;
+using UIComponents.Testing;
 using UnityGit.Core.Services;
 
 namespace UnityGit.Tests.Core.Services
@@ -37,7 +38,7 @@ public void Setup()
                 Arg.Any<Signature>()
                 ).Returns(Substitute.For<Commit>());
 
-            _commitService = new ServiceTestBed<CommitService>()
+            _commitService = new TestBed<CommitService>()
                 .WithSingleton(_logService)
                 .WithSingleton(_progressService)
                 .WithSingleton(_commandsService)