From d195db17e9ff62c3dbfb8ba03dacadf965b1fb8b Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@selenight.nl>
Date: Thu, 6 Jul 2017 14:21:08 -0500
Subject: Don't show auxiliary blob viewer for README when there is no wiki

---
 spec/models/blob_viewer/readme_spec.rb | 49 ++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 spec/models/blob_viewer/readme_spec.rb

(limited to 'spec/models/blob_viewer')

diff --git a/spec/models/blob_viewer/readme_spec.rb b/spec/models/blob_viewer/readme_spec.rb
new file mode 100644
index 00000000000..02679dbb544
--- /dev/null
+++ b/spec/models/blob_viewer/readme_spec.rb
@@ -0,0 +1,49 @@
+require 'spec_helper'
+
+describe BlobViewer::Readme, model: true do
+  include FakeBlobHelpers
+
+  let(:project) { create(:project, :repository) }
+  let(:blob) { fake_blob(path: 'README.md') }
+  subject { described_class.new(blob) }
+
+  describe '#render_error' do
+    context 'when there is no wiki' do
+      it 'returns :no_wiki' do
+        expect(subject.render_error).to eq(:no_wiki)
+      end
+    end
+
+    context 'when there is an external wiki' do
+      before do
+        project.has_external_wiki = true
+      end
+
+      it 'returns nil' do
+        expect(subject.render_error).to be_nil
+      end
+    end
+
+    context 'when there is a local wiki' do
+      before do
+        project.wiki_enabled = true
+      end
+
+      context 'when the wiki is empty' do
+        it 'returns :no_wiki' do
+          expect(subject.render_error).to eq(:no_wiki)
+        end
+      end
+
+      context 'when the wiki is not empty' do
+        before do
+          WikiPages::CreateService.new(project, project.owner, title: 'home', content: 'Home page').execute
+        end
+
+        it 'returns nil' do
+          expect(subject.render_error).to be_nil
+        end
+      end
+    end
+  end
+end
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