1 files changed, 51 insertions, 0 deletions
diff --git a/spec/views/projects/diffs/_content.html.haml_spec.rb b/spec/views/projects/diffs/_content.html.haml_spec.rb
new file mode 100644
index 00000000000..abc6a92a5fb
--- /dev/null
+++ b/spec/views/projects/diffs/_content.html.haml_spec.rb
@@ -0,0 +1,51 @@
+require 'rails_helper'
+
+describe 'projects/diffs/_content' do
+  context 'unsupported blobs' do
+    it 'renders nothing' do
+      allow(view).to receive(:blob).and_return(double)
+
+      expect(rendered).to eq ''
+    end
+  end
+
+  context 'supported blobs' do
+    def stub_blob(overrides = {})
+      messages = overrides.reverse_merge(text?: true)
+
+      allow(view).to receive(:blob).and_return(double(messages))
+    end
+
+    context 'diff is too large' do
+      it 'displays the correct message' do
+        stub_blob
+        allow(view).to receive(:diff_file).and_return(double(too_large?: true))
+
+        render
+
+        expect(rendered)
+          .to include("This diff could not be displayed because it is too large.")
+      end
+    end
+
+    context 'blob is too large' do
+      it 'displays the correct message' do
+        stub_blob(only_display_raw?: true)
+        allow(view).to receive(:diff_file).and_return(double(too_large?: false))
+
+        render
+
+        expect(rendered)
+          .to include("This file is too large to display.")
+      end
+    end
+
+    context 'blob text viewable' do
+      before do
+        allow(view).to receive(:blob_text_viewable?).and_return(true)
+      end
+    end
+
+    context 'blob text unviewable'
+  end
+end