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require 'rack/builder'
require 'rack/mock'
require 'rack/showexceptions'
require 'rack/urlmap'
class NothingMiddleware
def initialize(app)
@app = app
end
def call(env)
@@env = env
response = @app.call(env)
response
end
def self.env
@@env
end
end
describe Rack::Builder do
it "supports mapping" do
app = Rack::Builder.new do
map '/' do |outer_env|
run lambda { |inner_env| [200, {}, ['root']] }
end
map '/sub' do
run lambda { |inner_env| [200, {}, ['sub']] }
end
end.to_app
Rack::MockRequest.new(app).get("/").body.to_s.should.equal 'root'
Rack::MockRequest.new(app).get("/sub").body.to_s.should.equal 'sub'
end
it "doesn't dupe env even when mapping" do
app = Rack::Builder.new do
use NothingMiddleware
map '/' do |outer_env|
run lambda { |inner_env|
inner_env['new_key'] = 'new_value'
[200, {}, ['root']]
}
end
end.to_app
Rack::MockRequest.new(app).get("/").body.to_s.should.equal 'root'
NothingMiddleware.env['new_key'].should.equal 'new_value'
end
it "chains apps by default" do
app = Rack::Builder.new do
use Rack::ShowExceptions
run lambda { |env| raise "bzzzt" }
end.to_app
Rack::MockRequest.new(app).get("/").should.be.server_error
Rack::MockRequest.new(app).get("/").should.be.server_error
Rack::MockRequest.new(app).get("/").should.be.server_error
end
it "has implicit #to_app" do
app = Rack::Builder.new do
use Rack::ShowExceptions
run lambda { |env| raise "bzzzt" }
end
Rack::MockRequest.new(app).get("/").should.be.server_error
Rack::MockRequest.new(app).get("/").should.be.server_error
Rack::MockRequest.new(app).get("/").should.be.server_error
end
it "supports blocks on use" do
app = Rack::Builder.new do
use Rack::ShowExceptions
use Rack::Auth::Basic do |username, password|
'secret' == password
end
run lambda { |env| [200, {}, ['Hi Boss']] }
end
response = Rack::MockRequest.new(app).get("/")
response.should.be.client_error
response.status.should.equal 401
# with auth...
response = Rack::MockRequest.new(app).get("/",
'HTTP_AUTHORIZATION' => 'Basic ' + ["joe:secret"].pack("m*"))
response.status.should.equal 200
response.body.to_s.should.equal 'Hi Boss'
end
it "has explicit #to_app" do
app = Rack::Builder.app do
use Rack::ShowExceptions
run lambda { |env| raise "bzzzt" }
end
Rack::MockRequest.new(app).get("/").should.be.server_error
Rack::MockRequest.new(app).get("/").should.be.server_error
Rack::MockRequest.new(app).get("/").should.be.server_error
end
should "initialize apps once" do
app = Rack::Builder.new do
class AppClass
def initialize
@called = 0
end
def call(env)
raise "bzzzt" if @called > 0
@called += 1
[200, {'Content-Type' => 'text/plain'}, ['OK']]
end
end
use Rack::ShowExceptions
run AppClass.new
end
Rack::MockRequest.new(app).get("/").status.should.equal 200
Rack::MockRequest.new(app).get("/").should.be.server_error
end
end
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