1 files changed, 42 insertions, 0 deletions
diff --git a/spec/lib/gitlab/diff/formatters/text_formatter_spec.rb b/spec/lib/gitlab/diff/formatters/text_formatter_spec.rb
new file mode 100644
index 00000000000..897dc917f6a
--- /dev/null
+++ b/spec/lib/gitlab/diff/formatters/text_formatter_spec.rb
@@ -0,0 +1,42 @@
+require 'spec_helper'
+
+describe Gitlab::Diff::Formatters::TextFormatter do
+  let!(:base) do
+    {
+      base_sha: 123,
+      start_sha: 456,
+      head_sha: 789,
+      old_path: 'old_path.txt',
+      new_path: 'new_path.txt'
+    }
+  end
+
+  let!(:complete) do
+    base.merge(old_line: 1, new_line: 2)
+  end
+
+  it_behaves_like "position formatter" do
+    let(:base_attrs) { base }
+
+    let(:attrs) { complete }
+  end
+
+  # Specific text formatter examples
+  let!(:formatter) { described_class.new(attrs) }
+
+  describe '#line_age' do
+    subject { formatter.line_age }
+
+    context ' when there is only new_line' do
+      let(:attrs) { base.merge(new_line: 1) }
+
+      it { is_expected.to eq('new') }
+    end
+
+    context ' when there is only old_line' do
+      let(:attrs) { base.merge(old_line: 1) }
+
+      it { is_expected.to eq('old') }
+    end
+  end
+end