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require 'abstract_unit'
require 'rails/initializer'
class MetalTest < Test::Unit::TestCase
def test_metals_should_return_list_of_found_metal_apps
use_appdir("singlemetal") do
assert_equal(["FooMetal"], found_metals_as_string_array)
end
end
def test_metals_should_respect_class_name_conventions
use_appdir("pluralmetal") do
assert_equal(["LegacyRoutes"], found_metals_as_string_array)
end
end
def test_metals_should_return_alphabetical_list_of_found_metal_apps
use_appdir("multiplemetals") do
assert_equal(["MetalA", "MetalB"], found_metals_as_string_array)
end
end
def test_metals_load_order_should_be_overriden_by_requested_metals
use_appdir("multiplemetals") do
Rails::Rack::Metal.requested_metals = ["MetalB", "MetalA"]
assert_equal(["MetalB", "MetalA"], found_metals_as_string_array)
end
end
def test_metals_not_listed_should_not_load
use_appdir("multiplemetals") do
Rails::Rack::Metal.requested_metals = ["MetalB"]
assert_equal(["MetalB"], found_metals_as_string_array)
end
end
def test_metal_finding_should_work_with_subfolders
use_appdir("subfolders") do
assert_equal(["Folder::MetalA", "Folder::MetalB"], found_metals_as_string_array)
end
end
def test_metal_finding_with_requested_metals_should_work_with_subfolders
use_appdir("subfolders") do
Rails::Rack::Metal.requested_metals = ["Folder::MetalB"]
assert_equal(["Folder::MetalB"], found_metals_as_string_array)
end
end
def test_metal_finding_should_work_with_multiple_metal_paths_in_185_and_below
use_appdir("singlemetal") do
engine_metal_path = "#{File.dirname(__FILE__)}/fixtures/plugins/engines/engine/app/metal"
Rails::Rack::Metal.metal_paths << engine_metal_path
$LOAD_PATH << engine_metal_path
assert_equal(["FooMetal", "EngineMetal"], found_metals_as_string_array)
end
end
def test_metal_default_pass_through_on_404
use_appdir("multiplemetals") do
result = Rails::Rack::Metal.new(app).call({})
assert_equal 200, result.first
assert_equal ["Metal B"], result.last
end
end
def test_metal_pass_through_on_417
use_appdir("multiplemetals") do
Rails::Rack::Metal.pass_through_on = 417
result = Rails::Rack::Metal.new(app).call({})
assert_equal 404, result.first
assert_equal ["Metal A"], result.last
end
end
def test_metal_pass_through_on_404_and_200
use_appdir("multiplemetals") do
Rails::Rack::Metal.pass_through_on = [404, 200]
result = Rails::Rack::Metal.new(app).call({})
assert_equal 402, result.first
assert_equal ["End of the Line"], result.last
end
end
private
def app
lambda{[402,{},["End of the Line"]]}
end
def use_appdir(root)
dir = "#{File.dirname(__FILE__)}/fixtures/metal/#{root}"
Rails::Rack::Metal.metal_paths = ["#{dir}/app/metal"]
Rails::Rack::Metal.requested_metals = nil
$LOAD_PATH << "#{dir}/app/metal"
yield
end
def found_metals_as_string_array
Rails::Rack::Metal.metals.map { |m| m.to_s }
end
end
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