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rails--rails/railties/test/application/console_test.rb

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require 'isolation/abstract_unit'
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class ConsoleTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
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def setup
build_app
boot_rails
end
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def teardown
teardown_app
end
def load_environment(sandbox = false)
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require "#{rails_root}/config/environment"
Rails.application.sandbox = sandbox
Rails.application.load_console
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end
def irb_context
Object.new.extend(Rails::ConsoleMethods)
end
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def test_app_method_should_return_integration_session
TestHelpers::Rack.send :remove_method, :app
load_environment
console_session = irb_context.app
assert_instance_of ActionDispatch::Integration::Session, console_session
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end
def test_app_can_access_path_helper_method
app_file 'config/routes.rb', <<-RUBY
Rails.application.routes.draw do
get 'foo', to: 'foo#index'
end
RUBY
load_environment
console_session = irb_context.app
assert_equal '/foo', console_session.foo_path
end
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def test_new_session_should_return_integration_session
load_environment
session = irb_context.new_session
assert_instance_of ActionDispatch::Integration::Session, session
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end
def test_reload_should_fire_preparation_and_cleanup_callbacks
load_environment
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a = b = c = nil
# TODO: These should be defined on the initializer
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ActionDispatch::Reloader.to_cleanup { a = b = c = 1 }
ActionDispatch::Reloader.to_cleanup { b = c = 2 }
ActionDispatch::Reloader.to_prepare { c = 3 }
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# Hide Reloading... output
silence_stream(STDOUT) { irb_context.reload! }
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assert_equal 1, a
assert_equal 2, b
assert_equal 3, c
end
def test_reload_should_reload_constants
app_file "app/models/user.rb", <<-MODEL
class User
attr_accessor :name
end
MODEL
load_environment
assert User.new.respond_to?(:name)
app_file "app/models/user.rb", <<-MODEL
class User
attr_accessor :name, :age
end
MODEL
assert !User.new.respond_to?(:age)
silence_stream(STDOUT) { irb_context.reload! }
assert User.new.respond_to?(:age)
end
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def test_access_to_helpers
load_environment
helper = irb_context.helper
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assert_not_nil helper
assert_instance_of ActionView::Base, helper
assert_equal 'Once upon a time in a world...',
helper.truncate('Once upon a time in a world far far away')
end
end
begin
require "pty"
rescue LoadError
end
class FullStackConsoleTest < ActiveSupport::TestCase
def setup
skip "PTY unavailable" unless defined?(PTY) && PTY.respond_to?(:open)
build_app
app_file 'app/models/post.rb', <<-CODE
class Post < ActiveRecord::Base
end
CODE
system "#{app_path}/bin/rails runner 'Post.connection.create_table :posts'"
@master, @slave = PTY.open
end
def teardown
teardown_app
end
def assert_output(expected, timeout = 1)
timeout = Time.now + timeout
output = ""
until output.include?(expected) || Time.now > timeout
if IO.select([@master], [], [], 0.1)
output << @master.read(1)
end
end
assert output.include?(expected), "#{expected.inspect} expected, but got:\n\n#{output}"
end
def write_prompt(command, expected_output = nil)
@master.puts command
assert_output command
assert_output expected_output if expected_output
assert_output "> "
end
def spawn_console
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Process.spawn(
"#{app_path}/bin/rails console --sandbox",
in: @slave, out: @slave, err: @slave
)
assert_output "> ", 30
end
def test_sandbox
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spawn_console
write_prompt "Post.count", "=> 0"
write_prompt "Post.create"
write_prompt "Post.count", "=> 1"
@master.puts "quit"
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spawn_console
write_prompt "Post.count", "=> 0"
write_prompt "Post.transaction { Post.create; raise }"
write_prompt "Post.count", "=> 0"
@master.puts "quit"
end
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end