gitlab-org--gitlab-foss/spec/models/blob_spec.rb
2017-04-27 12:23:27 -05:00

203 lines
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Ruby
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# encoding: utf-8
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
end
end
describe '#data' do
context 'using a binary blob' do
it 'returns the data as-is' do
data = "\n\xFF\xB9\xC3"
blob = fake_blob(binary: true, data: data)
expect(blob.data).to eq(data)
end
end
context 'using a text blob' do
it 'converts the data to UTF-8' do
blob = fake_blob(binary: false, data: "\n\xFF\xB9\xC3")
expect(blob.data).to eq("\n<EFBFBD><EFBFBD><EFBFBD>")
end
end
end
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 'returns 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 'returns 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