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require 'spec_helper'
describe FileMover do
include FileMoverHelpers
let(:filename) { 'banana_sample.gif' }
let(:temp_file_path) { File.join('uploads/-/system/temp', 'secret55', filename) }
let(:temp_description) do
"test  "\
"same  "
end
let(:file_path) { File.join('uploads/-/system/personal_snippet', snippet.id.to_s, 'secret55', filename) }
let(:snippet) { create(:personal_snippet, description: temp_description) }
subject { described_class.new(temp_file_path, snippet).execute }
describe '#execute' do
before do
expect(FileUtils).to receive(:mkdir_p).with(a_string_including(File.dirname(file_path)))
expect(FileUtils).to receive(:move).with(a_string_including(temp_file_path), a_string_including(file_path))
allow_any_instance_of(CarrierWave::SanitizedFile).to receive(:exists?).and_return(true)
allow_any_instance_of(CarrierWave::SanitizedFile).to receive(:size).and_return(10)
stub_file_mover(temp_file_path)
end
context 'when move and field update successful' do
it 'updates the description correctly' do
subject
expect(snippet.reload.description)
.to eq(
"test  "\
"same  "
)
end
it 'creates a new update record' do
expect { subject }.to change { Upload.count }.by(1)
end
it 'schedules a background migration' do
expect_any_instance_of(PersonalFileUploader).to receive(:schedule_background_upload).once
subject
end
end
context 'when update_markdown fails' do
before do
expect(FileUtils).to receive(:move).with(a_string_including(file_path), a_string_including(temp_file_path))
end
subject { described_class.new(file_path, snippet, :non_existing_field).execute }
it 'does not update the description' do
subject
expect(snippet.reload.description)
.to eq(
"test  "\
"same  "
)
end
it 'does not create a new update record' do
expect { subject }.not_to change { Upload.count }
end
end
end
context 'security' do
context 'when relative path is involved' do
let(:temp_file_path) { File.join('uploads/-/system/temp', '..', 'another_subdir_of_temp') }
it 'does not trigger move if path is outside designated directory' do
stub_file_mover('uploads/-/system/another_subdir_of_temp')
expect(FileUtils).not_to receive(:move)
subject
expect(snippet.reload.description).to eq(temp_description)
end
end
context 'when symlink is involved' do
it 'does not trigger move if path is outside designated directory' do
stub_file_mover(temp_file_path, stub_real_path: Pathname('/etc'))
expect(FileUtils).not_to receive(:move)
subject
expect(snippet.reload.description).to eq(temp_description)
end
end
end
end
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