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require 'abstract_unit'
require 'active_support/ruby/shim'
require 'rails/initializer'
class InitializerRunnerTest < ActiveSupport::TestCase
def setup
@runner = Rails::Initializer::Runner.new
end
test "A new runner can be created" do
assert @runner
end
test "The initializers actually get run when the runner is run" do
state = nil
@runner.add :foo do
run { state = true }
end
@runner.run
assert state
end
test "By default, initializers get run in the order that they are added" do
state = []
@runner.add :first do
run { state << :first }
end
@runner.add :second do
run { state << :second }
end
@runner.run
assert_equal [:first, :second], state
end
test "Raises an exception if :before or :after are specified, but don't exist" do
assert_raise(Rails::Initializer::Error) do
@runner.add(:fail, :before => :whale) { 1 }
end
assert_raise(Rails::Initializer::Error) do
@runner.add(:fail, :after => :whale) { 1 }
end
end
test "When adding an initializer, specifying :after allows you to move an initializer after another" do
state = []
@runner.add :first do
run { state << :first }
end
@runner.add :second do
run { state << :second }
end
@runner.add :third, :after => :first do
run { state << :third }
end
@runner.run
assert_equal [:first, :third, :second], state
end
test "An initializer can be deleted" do
state = []
@runner.add :first do
run { state << :first }
end
@runner.add :second do
run { state << :second }
end
@runner.delete(:second)
@runner.run
assert_equal [:first], state
end
test "A runner can be initialized with an existing runner, which it copies" do
state = []
@runner.add :first do
run { state << :first }
end
@runner.add :second do
run { state << :second }
end
Rails::Initializer::Runner.new(@runner).run
assert_equal [:first, :second], state
end
test "A child runner can be still be modified without modifying the parent" do
state = []
@runner.add :first do
run { state << :first }
end
@runner.add :second do
run { state << :second }
end
new_runner = Rails::Initializer::Runner.new(@runner)
new_runner.add :trois do
run { state << :trois }
end
new_runner.delete(:second)
new_runner.run
assert_equal [:first, :trois], state
state.clear
@runner.run
assert_equal [:first, :second], state
end
test "A child runner that is modified does not modify any other children of the same parent" do
state = []
@runner.add :first do
run { state << :first }
end
@runner.add :second do
run { state << :second }
end
child_one = Rails::Initializer::Runner.new(@runner)
child_two = Rails::Initializer::Runner.new(@runner)
child_one.delete(:second)
child_two.run
assert_equal [:first, :second], state
end
test "It does not run the initializer block immediately" do
state = []
@runner.add :first do
state << :first
end
assert_equal [], state
end
test "It runs the block when the runner is run" do
state = []
@runner.add :first do
state << :first
end
@runner.run
assert_equal [:first], state
end
end
|
