donphan/spec/lib/paperclip/response_with_limit_adapter...

94 lines
2.8 KiB
Ruby

# frozen_string_literal: true
require 'rails_helper'
RSpec.describe Paperclip::ResponseWithLimitAdapter do
subject { described_class.new(response_with_limit) }
before { stub_request(:get, url).to_return(headers: headers, body: body) }
let(:response_with_limit) { ResponseWithLimit.new(response, 50.kilobytes) }
let(:response) { Request.new(:get, url).perform(&:itself) }
let(:url) { 'https://example.com/dir/foo.png' }
let(:headers) { nil }
let(:body) { attachment_fixture('600x400.jpeg').binmode.read }
it 'writes temporary file' do
expect(subject.tempfile.read).to eq body
expect(subject.size).to eq body.bytesize
end
context 'with Content-Disposition header' do
let(:headers) { { 'Content-Disposition' => 'attachment; filename="bar.png"' } }
it 'uses filename from header' do
expect(subject.original_filename).to eq 'bar.png'
end
it 'detects MIME type from content' do
expect(subject.content_type).to eq 'image/jpeg'
end
end
context 'without Content-Disposition header' do
it 'uses filename from path' do
expect(subject.original_filename).to eq 'foo.png'
end
it 'detects MIME type from content' do
expect(subject.content_type).to eq 'image/jpeg'
end
end
context 'without filename in path' do
let(:url) { 'https://example.com/' }
it 'falls back to "data"' do
expect(subject.original_filename).to eq 'data'
end
it 'detects MIME type from content' do
expect(subject.content_type).to eq 'image/jpeg'
end
end
context 'with very long filename' do
let(:url) { 'https://example.com/abcdefghijklmnopqrstuvwxyz.0123456789' }
it 'truncates the filename' do
expect(subject.original_filename).to eq 'abcdefghijklmnopqrst.0123'
end
end
context 'when response size exceeds limit' do
context 'with Content-Length header' do
let(:headers) { { 'Content-Length' => 5.megabytes } }
it 'raises without reading the body' do
allow(response).to receive(:body).and_call_original
expect { subject }.to raise_error(Mastodon::LengthValidationError, 'Content-Length 5242880 exceeds limit of 51200')
expect(response).to_not have_received(:body)
end
end
context 'without Content-Length header' do
let(:body) { SecureRandom.random_bytes(1.megabyte) }
it 'raises while reading the body' do
expect { subject }.to raise_error(Mastodon::LengthValidationError, 'Body size exceeds limit of 51200')
expect(response.content_length).to be_nil
end
end
end
context 'when response times out' do
it 'raises' do
allow(response.body.connection).to receive(:readpartial).and_raise(HTTP::TimeoutError)
expect { subject }.to raise_error(HTTP::TimeoutError)
end
end
end