require 'abstract_unit'
require 'controller/fake_models'
class CompiledTemplatesTest < Test::Unit::TestCase
def setup
@compiled_templates = ActionView::Base::CompiledTemplates
@compiled_templates.instance_methods.each do |m|
@compiled_templates.send(:remove_method, m) if m =~ /^_run_/
end
end
def test_template_gets_compiled
assert_equal 0, @compiled_templates.instance_methods.size
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
assert_equal 1, @compiled_templates.instance_methods.size
end
def test_template_gets_recompiled_when_using_different_keys_in_local_assigns
assert_equal 0, @compiled_templates.instance_methods.size
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
assert_equal "Hello world!", render(:file => "test/hello_world.erb", :locals => {:foo => "bar"})
assert_equal 2, @compiled_templates.instance_methods.size
end
def test_compiled_template_will_not_be_recompiled_when_rendered_with_identical_local_assigns
assert_equal 0, @compiled_templates.instance_methods.size
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
ActionView::Template.any_instance.expects(:compile!).never
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
end
def test_compiled_template_will_always_be_recompiled_when_template_is_not_cached
ActionView::Template.any_instance.expects(:recompile?).times(3).returns(true)
assert_equal 0, @compiled_templates.instance_methods.size
assert_equal "Hello world!", render(:file => "#{FIXTURE_LOAD_PATH}/test/hello_world.erb")
ActionView::Template.any_instance.expects(:compile!).times(3)
3.times { assert_equal "Hello world!", render(:file => "#{FIXTURE_LOAD_PATH}/test/hello_world.erb") }
assert_equal 1, @compiled_templates.instance_methods.size
end
def test_template_changes_are_not_reflected_with_cached_templates
with_caching(true) do
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
modify_template "test/hello_world.erb", "Goodbye world!" do
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
end
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
end
end
def test_template_changes_are_reflected_without_cached_templates
with_caching(false) do
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
modify_template "test/hello_world.erb", "Goodbye world!" do
assert_equal "Goodbye world!", render(:file => "test/hello_world.erb")
sleep(1) # Need to sleep so that the timestamp actually changes
end
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
end
end
private
def render(*args)
view_paths = ActionController::Base.view_paths
assert_equal ActionView::Template::Path, view_paths.first.class
ActionView::Base.new(view_paths, {}).render(*args)
end
def modify_template(template, content)
filename = "#{FIXTURE_LOAD_PATH}/#{template}"
old_content = File.read(filename)
begin
File.open(filename, "wb+") { |f| f.write(content) }
yield
ensure
File.open(filename, "wb+") { |f| f.write(old_content) }
end
end
def with_caching(caching_enabled)
old_caching_enabled = ActionView::Base.cache_template_loading
begin
ActionView::Base.cache_template_loading = caching_enabled
yield
ensure
ActionView::Base.cache_template_loading = old_caching_enabled
end
end
end