1 files changed, 38 insertions, 0 deletions
diff --git a/spec/models/blob_viewer/route_map_spec.rb b/spec/models/blob_viewer/route_map_spec.rb
new file mode 100644
index 00000000000..4854e0262d9
--- /dev/null
+++ b/spec/models/blob_viewer/route_map_spec.rb
@@ -0,0 +1,38 @@
+require 'spec_helper'
+
+describe BlobViewer::RouteMap, model: true do
+  include FakeBlobHelpers
+
+  let(:project) { build(:project) }
+  let(:data) do
+    <<-MAP.strip_heredoc
+      # Team data
+      - source: 'data/team.yml'
+        public: 'team/'
+    MAP
+  end
+  let(:blob) { fake_blob(path: '.gitlab/route-map.yml', data: data) }
+  subject { described_class.new(blob) }
+
+  describe '#validation_message' do
+    it 'calls prepare! on the viewer' do
+      expect(subject).to receive(:prepare!)
+
+      subject.validation_message
+    end
+
+    context 'when the configuration is valid' do
+      it 'returns nil' do
+        expect(subject.validation_message).to be_nil
+      end
+    end
+
+    context 'when the configuration is invalid' do
+      let(:data) { 'oof' }
+
+      it 'returns the error message' do
+        expect(subject.validation_message).to eq('Route map is not an array')
+      end
+    end
+  end
+end