debian-mirror-gitlab/spec/models/blob_viewer/base_spec.rb

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2017-08-17 22:00:37 +05:30
require 'spec_helper'
describe BlobViewer::Base, model: true do
include FakeBlobHelpers
let(:project) { build(:empty_project) }
let(:viewer_class) do
Class.new(described_class) do
self.extensions = %w(pdf)
self.max_size = 1.megabyte
self.absolute_max_size = 5.megabytes
self.client_side = false
end
end
let(:viewer) { viewer_class.new(blob) }
describe '.can_render?' do
context 'when the extension is supported' do
let(:blob) { fake_blob(path: 'file.pdf') }
it 'returns true' do
expect(viewer_class.can_render?(blob)).to be_truthy
end
end
context 'when the extension is not supported' do
let(:blob) { fake_blob(path: 'file.txt') }
it 'returns false' do
expect(viewer_class.can_render?(blob)).to be_falsey
end
end
end
describe '#too_large?' do
context 'when the blob size is larger than the max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 2.megabytes) }
it 'returns true' do
expect(viewer.too_large?).to be_truthy
end
end
context 'when the blob size is smaller than the max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 10.kilobytes) }
it 'returns false' do
expect(viewer.too_large?).to be_falsey
end
end
end
describe '#absolutely_too_large?' do
context 'when the blob size is larger than the absolute max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 10.megabytes) }
it 'returns true' do
expect(viewer.absolutely_too_large?).to be_truthy
end
end
context 'when the blob size is smaller than the absolute max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 2.megabytes) }
it 'returns false' do
expect(viewer.absolutely_too_large?).to be_falsey
end
end
end
describe '#can_override_max_size?' do
context 'when the blob size is larger than the max size' do
context 'when the blob size is larger than the absolute max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 10.megabytes) }
it 'returns false' do
expect(viewer.can_override_max_size?).to be_falsey
end
end
context 'when the blob size is smaller than the absolute max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 2.megabytes) }
it 'returns true' do
expect(viewer.can_override_max_size?).to be_truthy
end
end
end
context 'when the blob size is smaller than the max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 10.kilobytes) }
it 'returns false' do
expect(viewer.can_override_max_size?).to be_falsey
end
end
end
describe '#render_error' do
context 'when the max size is overridden' do
before do
viewer.override_max_size = true
end
context 'when the blob size is larger than the absolute max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 10.megabytes) }
it 'returns :too_large' do
expect(viewer.render_error).to eq(:too_large)
end
end
context 'when the blob size is smaller than the absolute max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 2.megabytes) }
it 'returns nil' do
expect(viewer.render_error).to be_nil
end
end
end
context 'when the max size is not overridden' do
context 'when the blob size is larger than the max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 2.megabytes) }
it 'returns :too_large' do
expect(viewer.render_error).to eq(:too_large)
end
end
context 'when the blob size is smaller than the max size' do
let(:blob) { fake_blob(path: 'file.pdf', size: 10.kilobytes) }
it 'returns nil' do
expect(viewer.render_error).to be_nil
end
end
end
context 'when the viewer is server side but the blob is stored externally' do
let(:project) { build(:empty_project, lfs_enabled: true) }
let(:blob) { fake_blob(path: 'file.pdf', lfs: true) }
before do
allow(Gitlab.config.lfs).to receive(:enabled).and_return(true)
end
it 'return :server_side_but_stored_externally' do
expect(viewer.render_error).to eq(:server_side_but_stored_externally)
end
end
end
describe '#prepare!' do
context 'when the viewer is server side' do
let(:blob) { fake_blob(path: 'file.md') }
before do
viewer_class.client_side = false
end
it 'loads all blob data' do
expect(blob).to receive(:load_all_data!)
viewer.prepare!
end
end
context 'when the viewer is client side' do
let(:blob) { fake_blob(path: 'file.md') }
before do
viewer_class.client_side = true
end
it "doesn't load all blob data" do
expect(blob).not_to receive(:load_all_data!)
viewer.prepare!
end
end
end
end