public void MergeFileDeletionChange(IObjectRepositoryLoader loader, ObjectRepository sut, Page page, Signature signature, string message, Func <RepositoryDescription, IComputeTreeChanges> computeTreeChangesFactory)
        {
            // master:    A---C---D
            //             \     /
            // newBranch:   B---'

            // Arrange
            var repositoryDescription = RepositoryFixture.GetRepositoryDescription();

            sut.SaveInNewRepository(signature, message, repositoryDescription); // A

            // Act
            sut.Branch("newBranch");
            var updateName = page.With(p => p.Fields.Delete(page.Fields[1]));

            sut.Commit(updateName.Repository, signature, message); // B
            sut.Checkout("master");
            var updateDescription = page.With(p => p.Description == "modified description");
            var commitC           = sut.Commit(updateDescription.Repository, signature, message); // C
            var loaded            = loader.LoadFrom <ObjectRepository>(RepositoryFixture.GetRepositoryDescription());
            var mergeCommit       = loaded.Merge("newBranch").Apply(signature);                   // D

            // Assert
            var changes = computeTreeChangesFactory(RepositoryFixture.GetRepositoryDescription())
                          .Compare(commitC, mergeCommit);

            Assert.That(changes, Has.Count.EqualTo(1));
            Assert.That(changes[0].Status, Is.EqualTo(ChangeKind.Deleted));
            Assert.That(changes[0].Old.Id, Is.EqualTo(page.Fields[1].Id));
        }
        public void MergeSamePropertyConflict(IObjectRepositoryLoader loader, ObjectRepository sut, Page page, Signature signature, string message, Func <RepositoryDescription, IComputeTreeChanges> computeTreeChangesFactory)
        {
            // master:    A---C---D
            //             \     /
            // newBranch:   B---'

            // Arrange
            var repositoryDescription = RepositoryFixture.GetRepositoryDescription();

            sut.SaveInNewRepository(signature, message, repositoryDescription); // A

            // Act
            sut.Branch("newBranch");
            var updateName = page.With(p => p.Name == "modified name");

            sut.Commit(updateName.Repository, signature, message); // B
            sut.Checkout("master");
            var updateNameOther = page.With(p => p.Name == "yet again modified name");
            var commitC         = sut.Commit(updateNameOther.Repository, signature, message); // C
            var loaded          = loader.LoadFrom <ObjectRepository>(RepositoryFixture.GetRepositoryDescription());
            var merge           = loaded.Merge("newBranch");
            var chunk           = merge.ModifiedChunks.Single();

            chunk.Resolve(JToken.FromObject("merged name"));
            var mergeCommit = merge.Apply(signature); // D

            // Assert
            var changes = computeTreeChangesFactory(RepositoryFixture.GetRepositoryDescription())
                          .Compare(commitC, mergeCommit);

            Assert.That(changes, Has.Count.EqualTo(1));
            Assert.That(changes[0].Status, Is.EqualTo(ChangeKind.Modified));
            Assert.That(changes[0].Old.Name, Is.EqualTo("yet again modified name"));
            Assert.That(changes[0].New.Name, Is.EqualTo("merged name"));
        }
        public void MergeTwoDifferentPropertiesWithMigrationChanged(IFixture fixture, IObjectRepositoryLoader loader, ObjectRepository sut, Page page, Signature signature, string message)
        {
            // master:    A-----D-----E---F
            //             \         /   /
            //              \   ,---'   /
            //               \ /   x   /
            // newBranch:     B---C---' (B contains a non-idempotent migration)

            // Arrange
            var repositoryDescription = RepositoryFixture.GetRepositoryDescription();

            sut.SaveInNewRepository(signature, message, repositoryDescription); // A

            // B, C
            sut.Branch("newBranch");
            var updatedInstance = sut.With(i => i.Migrations.Add(fixture.Create <Migration>()));

            sut.Commit(updatedInstance.Repository, signature, message); // B
            var loaded     = loader.LoadFrom <ObjectRepository>(RepositoryFixture.GetRepositoryDescription());
            var updateName = loaded.Applications[1].Pages[1].With(p => p.Name == "modified name");

            loaded.Commit(updateName.Repository, signature, message); // C

            // D
            sut.Checkout("master");
            var updateDescription = page.With(p => p.Description == "modified description");

            sut.Commit(updateDescription.Repository, signature, message); // D
            loaded = loader.LoadFrom <ObjectRepository>(RepositoryFixture.GetRepositoryDescription());

            // E
            var mergeStep1 = loaded.Merge("newBranch");

            Assert.That(mergeStep1.IsPartialMerge, Is.True);
            mergeStep1.Apply(signature); // E

            // F
            loaded = loader.LoadFrom <ObjectRepository>(RepositoryFixture.GetRepositoryDescription());
            var mergeStep2 = loaded.Merge("newBranch");

            Assert.That(mergeStep2.IsPartialMerge, Is.False);
            mergeStep2.Apply(signature); // F
        }
        public void MergeSamePropertyDetectsConflicts(IObjectRepositoryLoader loader, ObjectRepository sut, Page page, Signature signature, string message)
        {
            // master:    A---C---D
            //             \     /
            // newBranch:   B---'

            // Arrange
            var repositoryDescription = RepositoryFixture.GetRepositoryDescription();

            sut.SaveInNewRepository(signature, message, repositoryDescription); // A

            // Act
            sut.Branch("newBranch");
            var updateName = page.With(p => p.Name == "modified name");

            sut.Commit(updateName.Repository, signature, message); // B
            sut.Checkout("master");
            var updateNameOther = page.With(p => p.Name == "yet again modified name");

            sut.Commit(updateNameOther.Repository, signature, message); // C
            var loaded = loader.LoadFrom <ObjectRepository>(RepositoryFixture.GetRepositoryDescription());

            Assert.Throws <RemainingConflictsException>(() => loaded.Merge("newBranch").Apply(signature));
        }