Add specs

1 files changed, 175 insertions, 3 deletions

diff --git a/spec/models/blob_spec.rb b/spec/models/blob_spec.rb
index fd42a87c37e..80dcfeeb3b5 100644
--- a/spec/models/blob_spec.rb
+++ b/spec/models/blob_spec.rb
@@ -2,6 +2,14 @@
 require 'rails_helper'
 
 describe Blob do
+  include FakeBlobHelpers
+
+  let(:project) { build(:empty_project, lfs_enabled: true) }
+
+  before do
+    allow(Gitlab.config.lfs).to receive(:enabled).and_return(true)
+  end
+
   describe '.decorate' do
     it 'returns NilClass when given nil' do
       expect(described_class.decorate(nil)).to be_nil
@@ -12,7 +20,7 @@ describe Blob do
     context 'using a binary blob' do
       it 'returns the data as-is' do
         data = "\n\xFF\xB9\xC3"
-        blob = described_class.new(double(binary?: true, data: data))
+        blob = fake_blob(binary: true, data: data)
 
         expect(blob.data).to eq(data)
       end
@@ -20,12 +28,176 @@ describe Blob do
 
     context 'using a text blob' do
       it 'converts the data to UTF-8' do
-        blob = described_class.new(double(binary?: false, data: "\n\xFF\xB9\xC3"))
+        blob = fake_blob(binary: false, data: "\n\xFF\xB9\xC3")
 
         expect(blob.data).to eq("\n���")
       end
     end
   end
 
-  # TODO: Test new methods
+  describe '#raw_binary?' do
+    context 'if the blob is a valid LFS pointer' do
+      context 'if the extension has a rich viewer' do
+        context 'if the viewer is binary' do
+          it 'return true' do
+            blob = fake_blob(path: 'file.pdf', lfs: true)
+
+            expect(blob.raw_binary?).to be_truthy
+          end
+        end
+
+        context 'if the viewer is text-based' do
+          it 'return false' do
+            blob = fake_blob(path: 'file.md', lfs: true)
+
+            expect(blob.raw_binary?).to be_falsey
+          end
+        end
+      end
+
+      context "if the extension doesn't have a rich viewer" do
+        it 'returns true' do
+          blob = fake_blob(path: 'file.exe', lfs: true)
+
+          expect(blob.raw_binary?).to be_truthy
+        end
+      end
+    end
+
+    context 'if the blob is not an LFS pointer' do
+      context 'if the blob is binary' do
+        it 'return true' do
+          blob = fake_blob(path: 'file.pdf', binary: true)
+
+          expect(blob.raw_binary?).to be_truthy
+        end
+      end
+
+      context 'if the blob is text-based' do
+        it 'return false' do
+          blob = fake_blob(path: 'file.md')
+
+          expect(blob.raw_binary?).to be_falsey
+        end
+      end
+    end
+  end
+
+  describe '#extension' do
+    it 'returns the extension' do
+      blob = fake_blob(path: 'file.md')
+
+      expect(blob.extension).to eq('md')
+    end
+  end
+
+  describe '#simple_viewer' do
+    context 'when the blob is empty' do
+      it 'returns an empty viewer' do
+        blob = fake_blob(data: '')
+
+        expect(blob.simple_viewer).to be_a(BlobViewer::Empty)
+      end
+    end
+
+    context 'when the file represented by the blob is binary' do
+      it 'returns a download viewer' do
+        blob = fake_blob(binary: true)
+
+        expect(blob.simple_viewer).to be_a(BlobViewer::Download)
+      end
+    end
+
+    context 'when the file represented by the blob is text-based' do
+      it 'returns a text viewer' do
+        blob = fake_blob
+
+        expect(blob.simple_viewer).to be_a(BlobViewer::Text)
+      end
+    end
+  end
+
+  describe '#rich_viewer' do
+    context 'when the blob is an invalid LFS pointer' do
+      before do
+        project.lfs_enabled = false
+      end
+
+      it 'returns nil' do
+        blob = fake_blob(path: 'file.pdf', lfs: true)
+
+        expect(blob.rich_viewer).to be_nil
+      end
+    end
+
+    context 'when the blob is empty' do
+      it 'returns nil' do
+        blob = fake_blob(data: '')
+
+        expect(blob.rich_viewer).to be_nil
+      end
+    end
+
+    context 'when the blob is a valid LFS pointer' do
+      it 'returns a matching viewer' do
+        blob = fake_blob(path: 'file.pdf', lfs: true)
+
+        expect(blob.rich_viewer).to be_a(BlobViewer::PDF)
+      end
+    end
+
+    context 'when the blob is binary' do
+      it 'returns a matching binary viewer' do
+        blob = fake_blob(path: 'file.pdf', binary: true)
+
+        expect(blob.rich_viewer).to be_a(BlobViewer::PDF)
+      end
+    end
+
+    context 'when the blob is text-based' do
+      it 'returns a matching text-based viewer' do
+        blob = fake_blob(path: 'file.md')
+
+        expect(blob.rich_viewer).to be_a(BlobViewer::Markup)
+      end
+    end
+  end
+
+  describe '#rendered_as_text?' do
+    context 'when ignoring errors' do
+      context 'when the simple viewer is text-based' do
+        it 'returns true' do
+          blob = fake_blob(path: 'file.md', size: 100.megabytes)
+
+          expect(blob.rendered_as_text?).to be_truthy
+        end
+      end
+
+      context 'when the simple viewer is binary' do
+        it 'returns false' do
+          blob = fake_blob(path: 'file.pdf', binary: true, size: 100.megabytes)
+
+          expect(blob.rendered_as_text?).to be_falsey
+        end
+      end
+    end
+
+    context 'when not ignoring errors' do
+      context 'when the viewer has render errors' do
+        it 'returns false' do
+          blob = fake_blob(path: 'file.md', size: 100.megabytes)
+
+          expect(blob.rendered_as_text?(ignore_errors: false)).to be_falsey
+        end
+      end
+
+      context "when the viewer doesn't have render errors" do
+        it 'returns true' do
+          blob = fake_blob(path: 'file.md')
+
+          expect(blob.rendered_as_text?(ignore_errors: false)).to be_truthy
+        end
+      end
+    end
+  end
 end