1 files changed, 32 insertions, 0 deletions
diff --git a/spec/lib/gitlab/git/conflict/resolver_spec.rb b/spec/lib/gitlab/git/conflict/resolver_spec.rb
new file mode 100644
index 00000000000..2783e955c33
--- /dev/null
+++ b/spec/lib/gitlab/git/conflict/resolver_spec.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Git::Conflict::Resolver do
+  let(:repository) { instance_double(Gitlab::Git::Repository) }
+  let(:our_commit_oid) { 'our-commit-oid' }
+  let(:their_commit_oid) { 'their-commit-oid' }
+  let(:gitaly_conflicts_client) { instance_double(Gitlab::GitalyClient::ConflictsService) }
+
+  subject(:resolver) { described_class.new(repository, our_commit_oid, their_commit_oid) }
+
+  describe '#conflicts' do
+    before do
+      allow(repository).to receive(:gitaly_conflicts_client).and_return(gitaly_conflicts_client)
+    end
+
+    it 'returns list of conflicts' do
+      conflicts = [double]
+
+      expect(gitaly_conflicts_client).to receive(:list_conflict_files).and_return(conflicts)
+      expect(resolver.conflicts).to eq(conflicts)
+    end
+
+    context 'when GRPC::FailedPrecondition is raised' do
+      it 'rescues and raises Gitlab::Git::Conflict::Resolver::ConflictSideMissing' do
+        expect(gitaly_conflicts_client).to receive(:list_conflict_files).and_raise(GRPC::FailedPrecondition)
+        expect { resolver.conflicts }.to raise_error(Gitlab::Git::Conflict::Resolver::ConflictSideMissing)
+      end
+    end
+  end
+end