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| | # frozen_string_literal: true
require 'minitest/global_expectations/autorun'
require 'rack/static'
require 'rack/lint'
require 'rack/mock'
require 'zlib'
require 'stringio'
class DummyApp
def call(env)
[200, { "Content-Type" => "text/plain" }, ["Hello World"]]
end
end
describe Rack::Static do
def static(app, *args)
Rack::Lint.new Rack::Static.new(app, *args)
end
root = File.expand_path(File.dirname(__FILE__))
OPTIONS = { urls: ["/cgi"], root: root }
STATIC_OPTIONS = { urls: [""], root: "#{root}/static", index: 'index.html' }
STATIC_URLS_OPTIONS = { urls: ["/static"], root: "#{root}", index: 'index.html' }
HASH_OPTIONS = { urls: { "/cgi/sekret" => 'cgi/test' }, root: root }
HASH_ROOT_OPTIONS = { urls: { "/" => "static/foo.html" }, root: root }
GZIP_OPTIONS = { urls: ["/cgi"], root: root, gzip: true }
before do
@request = Rack::MockRequest.new(static(DummyApp.new, OPTIONS))
@static_request = Rack::MockRequest.new(static(DummyApp.new, STATIC_OPTIONS))
@static_urls_request = Rack::MockRequest.new(static(DummyApp.new, STATIC_URLS_OPTIONS))
@hash_request = Rack::MockRequest.new(static(DummyApp.new, HASH_OPTIONS))
@hash_root_request = Rack::MockRequest.new(static(DummyApp.new, HASH_ROOT_OPTIONS))
@gzip_request = Rack::MockRequest.new(static(DummyApp.new, GZIP_OPTIONS))
@header_request = Rack::MockRequest.new(static(DummyApp.new, HEADER_OPTIONS))
end
it "serves files" do
res = @request.get("/cgi/test")
res.must_be :ok?
res.body.must_match(/ruby/)
end
it "404s if url root is known but it can't find the file" do
res = @request.get("/cgi/foo")
res.must_be :not_found?
end
it "calls down the chain if url root is not known" do
res = @request.get("/something/else")
res.must_be :ok?
res.body.must_equal "Hello World"
end
it "calls index file when requesting root in the given folder" do
res = @static_request.get("/")
res.must_be :ok?
res.body.must_match(/index!/)
res = @static_request.get("/other/")
res.must_be :not_found?
res = @static_request.get("/another/")
res.must_be :ok?
res.body.must_match(/another index!/)
end
it "does not call index file when requesting folder with unknown prefix" do
res = @static_urls_request.get("/static/another/")
res.must_be :ok?
res.body.must_match(/index!/)
res = @static_urls_request.get("/something/else/")
res.must_be :ok?
res.body.must_equal "Hello World"
end
it "doesn't call index file if :index option was omitted" do
res = @request.get("/")
res.body.must_equal "Hello World"
end
it "serves hidden files" do
res = @hash_request.get("/cgi/sekret")
res.must_be :ok?
res.body.must_match(/ruby/)
end
it "calls down the chain if the URI is not specified" do
res = @hash_request.get("/something/else")
res.must_be :ok?
res.body.must_equal "Hello World"
end
it "allows the root URI to be configured via hash options" do
res = @hash_root_request.get("/")
res.must_be :ok?
res.body.must_match(/foo.html!/)
end
it "serves gzipped files if client accepts gzip encoding and gzip files are present" do
res = @gzip_request.get("/cgi/test", 'HTTP_ACCEPT_ENCODING' => 'deflate, gzip')
res.must_be :ok?
res.headers['Content-Encoding'].must_equal 'gzip'
res.headers['Content-Type'].must_equal 'text/plain'
Zlib::GzipReader.wrap(StringIO.new(res.body), &:read).must_match(/ruby/)
end
it "serves regular files if client accepts gzip encoding and gzip files are not present" do
res = @gzip_request.get("/cgi/rackup_stub.rb", 'HTTP_ACCEPT_ENCODING' => 'deflate, gzip')
res.must_be :ok?
res.headers['Content-Encoding'].must_be_nil
res.headers['Content-Type'].must_equal 'text/x-script.ruby'
res.body.must_match(/ruby/)
end
it "serves regular files if client does not accept gzip encoding" do
res = @gzip_request.get("/cgi/test")
res.must_be :ok?
res.headers['Content-Encoding'].must_be_nil
res.headers['Content-Type'].must_equal 'text/plain'
res.body.must_match(/ruby/)
end
it "supports serving fixed cache-control (legacy option)" do
opts = OPTIONS.merge(cache_control: 'public')
request = Rack::MockRequest.new(static(DummyApp.new, opts))
res = request.get("/cgi/test")
res.must_be :ok?
res.headers['Cache-Control'].must_equal 'public'
end
HEADER_OPTIONS = { urls: ["/cgi"], root: root, header_rules: [
[:all, { 'Cache-Control' => 'public, max-age=100' }],
[:fonts, { 'Cache-Control' => 'public, max-age=200' }],
[%w(png jpg), { 'Cache-Control' => 'public, max-age=300' }],
['/cgi/assets/folder/', { 'Cache-Control' => 'public, max-age=400' }],
['cgi/assets/javascripts', { 'Cache-Control' => 'public, max-age=500' }],
[/\.(css|erb)\z/, { 'Cache-Control' => 'public, max-age=600' }]
] }
it "supports header rule :all" do
# Headers for all files via :all shortcut
res = @header_request.get('/cgi/assets/index.html')
res.must_be :ok?
res.headers['Cache-Control'].must_equal 'public, max-age=100'
end
it "supports header rule :fonts" do
# Headers for web fonts via :fonts shortcut
res = @header_request.get('/cgi/assets/fonts/font.eot')
res.must_be :ok?
res.headers['Cache-Control'].must_equal 'public, max-age=200'
end
it "supports file extension header rules provided as an Array" do
# Headers for file extensions via array
res = @header_request.get('/cgi/assets/images/image.png')
res.must_be :ok?
res.headers['Cache-Control'].must_equal 'public, max-age=300'
end
it "supports folder rules provided as a String" do
# Headers for files in folder via string
res = @header_request.get('/cgi/assets/folder/test.js')
res.must_be :ok?
res.headers['Cache-Control'].must_equal 'public, max-age=400'
end
it "supports folder header rules provided as a String not starting with a slash" do
res = @header_request.get('/cgi/assets/javascripts/app.js')
res.must_be :ok?
res.headers['Cache-Control'].must_equal 'public, max-age=500'
end
it "supports flexible header rules provided as Regexp" do
# Flexible Headers via Regexp
res = @header_request.get('/cgi/assets/stylesheets/app.css')
res.must_be :ok?
res.headers['Cache-Control'].must_equal 'public, max-age=600'
end
it "prioritizes header rules over fixed cache-control setting (legacy option)" do
opts = OPTIONS.merge(
cache_control: 'public, max-age=24',
header_rules: [
[:all, { 'Cache-Control' => 'public, max-age=42' }]
])
request = Rack::MockRequest.new(static(DummyApp.new, opts))
res = request.get("/cgi/test")
res.must_be :ok?
res.headers['Cache-Control'].must_equal 'public, max-age=42'
end
it "expands the root path upon the middleware initialization" do
relative_path = STATIC_OPTIONS[:root].sub("#{Dir.pwd}/", '')
opts = { urls: [""], root: relative_path, index: 'index.html' }
request = Rack::MockRequest.new(static(DummyApp.new, opts))
Dir.chdir '..' do
res = request.get("")
res.must_be :ok?
res.body.must_match(/index!/)
end
end
end
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