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Reorganize spec helpers into spec/support

This commit is contained in:
Maurizio De Santis 2014-09-03 19:22:02 +02:00
parent 48c2f55c63
commit e6df2d8d6f
6 changed files with 154 additions and 155 deletions

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@ -1,167 +1,14 @@
require 'rack/protection'
require 'rack/test'
require 'rack'
require 'forwardable'
if defined? Gem.loaded_specs and Gem.loaded_specs.include? 'rack'
version = Gem.loaded_specs['rack'].version.to_s
else
version = Rack.release + '.0'
end
if version == "1.3"
Rack::Session::Abstract::ID.class_eval do
private
def prepare_session(env)
session_was = env[ENV_SESSION_KEY]
env[ENV_SESSION_KEY] = SessionHash.new(self, env)
env[ENV_SESSION_OPTIONS_KEY] = OptionsHash.new(self, env, @default_options)
env[ENV_SESSION_KEY].merge! session_was if session_was
end
end
end
unless Rack::MockResponse.method_defined? :header
Rack::MockResponse.send(:alias_method, :header, :headers)
end
module DummyApp
def self.call(env)
Thread.current[:last_env] = env
body = (env['REQUEST_METHOD'] == 'HEAD' ? '' : 'ok')
[200, {'Content-Type' => env['wants'] || 'text/plain'}, [body]]
end
end
module TestHelpers
extend Forwardable
def_delegators :last_response, :body, :headers, :status, :errors
def_delegators :current_session, :env_for
attr_writer :app
def app
@app ||= nil
@app || mock_app(DummyApp)
end
def mock_app(app = nil, &block)
app = block if app.nil? and block.arity == 1
if app
klass = described_class
mock_app do
use Rack::Head
use(Rack::Config) { |e| e['rack.session'] ||= {}}
use klass
run app
end
else
@app = Rack::Lint.new Rack::Builder.new(&block).to_app
end
end
def with_headers(headers)
proc { [200, {'Content-Type' => 'text/plain'}.merge(headers), ['ok']] }
end
def env
Thread.current[:last_env]
end
end
# see http://blog.101ideas.cz/posts/pending-examples-via-not-implemented-error-in-rspec.html
module NotImplementedAsPending
def self.included(base)
base.class_eval do
alias_method :__finish__, :finish
remove_method :finish
end
end
def finish(reporter)
if @exception.is_a?(NotImplementedError)
from = @exception.backtrace[0]
message = "#{@exception.message} (from #{from})"
@pending_declared_in_example = message
metadata[:pending] = true
@exception = nil
end
__finish__(reporter)
end
RSpec::Core::Example.send :include, self
end
Dir[File.expand_path('../support/**/*.rb', __FILE__)].each { |f| require f }
RSpec.configure do |config|
config.expect_with :rspec do |c|
c.syntax = :expect
end
config.include Rack::Test::Methods
config.include TestHelpers
config.include SpecHelpers
end
shared_examples_for 'any rack application' do
it "should not interfere with normal get requests" do
expect(get('/')).to be_ok
expect(body).to eq('ok')
end
it "should not interfere with normal head requests" do
expect(head('/')).to be_ok
end
it 'should not leak changes to env' do
klass = described_class
detector = Struct.new(:app) do
def call(env)
was = env.dup
res = app.call(env)
was.each do |k,v|
next if env[k] == v
fail "env[#{k.inspect}] changed from #{v.inspect} to #{env[k].inspect}"
end
res
end
end
mock_app do
use Rack::Head
use(Rack::Config) { |e| e['rack.session'] ||= {}}
use detector
use klass
run DummyApp
end
expect(get('/..', :foo => '<bar>')).to be_ok
end
it 'allows passing on values in env' do
klass = described_class
changer = Struct.new(:app) do
def call(env)
env['foo.bar'] = 42
app.call(env)
end
end
detector = Struct.new(:app) do
def call(env)
app.call(env)
end
end
expect_any_instance_of(detector).to receive(:call).with(
hash_including('foo.bar' => 42)
).and_call_original
mock_app do
use Rack::Head
use(Rack::Config) { |e| e['rack.session'] ||= {}}
use changer
use klass
use detector
run DummyApp
end
expect(get('/')).to be_ok
end
end

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@ -0,0 +1,7 @@
module DummyApp
def self.call(env)
Thread.current[:last_env] = env
body = (env['REQUEST_METHOD'] == 'HEAD' ? '' : 'ok')
[200, {'Content-Type' => env['wants'] || 'text/plain'}, [body]]
end
end

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# see http://blog.101ideas.cz/posts/pending-examples-via-not-implemented-error-in-rspec.html
module NotImplementedAsPending
def self.included(base)
base.class_eval do
alias_method :__finish__, :finish
remove_method :finish
end
end
def finish(reporter)
if @exception.is_a?(NotImplementedError)
from = @exception.backtrace[0]
message = "#{@exception.message} (from #{from})"
@pending_declared_in_example = message
metadata[:pending] = true
@exception = nil
end
__finish__(reporter)
end
RSpec::Core::Example.send :include, self
end

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if defined? Gem.loaded_specs and Gem.loaded_specs.include? 'rack'
version = Gem.loaded_specs['rack'].version.to_s
else
version = Rack.release + '.0'
end
if version == "1.3"
Rack::Session::Abstract::ID.class_eval do
private
def prepare_session(env)
session_was = env[ENV_SESSION_KEY]
env[ENV_SESSION_KEY] = SessionHash.new(self, env)
env[ENV_SESSION_OPTIONS_KEY] = OptionsHash.new(self, env, @default_options)
env[ENV_SESSION_KEY].merge! session_was if session_was
end
end
end
unless Rack::MockResponse.method_defined? :header
Rack::MockResponse.send(:alias_method, :header, :headers)
end

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shared_examples_for 'any rack application' do
it "should not interfere with normal get requests" do
expect(get('/')).to be_ok
expect(body).to eq('ok')
end
it "should not interfere with normal head requests" do
expect(head('/')).to be_ok
end
it 'should not leak changes to env' do
klass = described_class
detector = Struct.new(:app) do
def call(env)
was = env.dup
res = app.call(env)
was.each do |k,v|
next if env[k] == v
fail "env[#{k.inspect}] changed from #{v.inspect} to #{env[k].inspect}"
end
res
end
end
mock_app do
use Rack::Head
use(Rack::Config) { |e| e['rack.session'] ||= {}}
use detector
use klass
run DummyApp
end
expect(get('/..', :foo => '<bar>')).to be_ok
end
it 'allows passing on values in env' do
klass = described_class
changer = Struct.new(:app) do
def call(env)
env['foo.bar'] = 42
app.call(env)
end
end
detector = Struct.new(:app) do
def call(env)
app.call(env)
end
end
expect_any_instance_of(detector).to receive(:call).with(
hash_including('foo.bar' => 42)
).and_call_original
mock_app do
use Rack::Head
use(Rack::Config) { |e| e['rack.session'] ||= {}}
use changer
use klass
use detector
run DummyApp
end
expect(get('/')).to be_ok
end
end

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require 'forwardable'
module SpecHelpers
extend Forwardable
def_delegators :last_response, :body, :headers, :status, :errors
def_delegators :current_session, :env_for
attr_writer :app
def app
@app ||= nil
@app || mock_app(DummyApp)
end
def mock_app(app = nil, &block)
app = block if app.nil? and block.arity == 1
if app
klass = described_class
mock_app do
use Rack::Head
use(Rack::Config) { |e| e['rack.session'] ||= {}}
use klass
run app
end
else
@app = Rack::Lint.new Rack::Builder.new(&block).to_app
end
end
def with_headers(headers)
proc { [200, {'Content-Type' => 'text/plain'}.merge(headers), ['ok']] }
end
def env
Thread.current[:last_env]
end
end