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require 'abstract_unit'
require 'controller/fake_models'
class CompiledTemplatesTest < Test::Unit::TestCase
def setup
@compiled_templates = ActionView::Base::CompiledTemplates
# first, if we are running the whole test suite with ReloadableTemplates
# try to undef all the methods through ReloadableTemplate's interfaces
unless ActionView::Base.cache_template_loading?
ActionController::Base.view_paths.each do |view_path|
view_path.paths.values.uniq!.each do |reloadable_template|
reloadable_template.undef_my_compiled_methods!
end
end
end
# just purge anything that's left
@compiled_templates.instance_methods.each do |m|
@compiled_templates.send(:remove_method, m) if m =~ /^_run_/
end
end
def test_template_gets_compiled
with_caching(true) do
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
end
def test_template_gets_recompiled_when_using_different_keys_in_local_assigns
with_caching(true) do
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
end
def test_compiled_template_will_not_be_recompiled_when_rendered_with_identical_local_assigns
with_caching(true) do
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
end
def test_template_changes_are_not_reflected_with_cached_template_loading
with_caching(true) do
with_reloading(false) 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
end
def test_template_changes_are_reflected_without_cached_template_loading
with_caching(true) do
with_reloading(true) do
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
modify_template "test/hello_world.erb", "Goodbye world!" do
reset_mtime_of('test/hello_world.erb')
assert_equal "Goodbye world!", render(:file => "test/hello_world.erb")
end
reset_mtime_of('test/hello_world.erb')
assert_equal "Hello world!", render(:file => "test/hello_world.erb")
end
end
end
private
def render(*args)
view_paths = ActionController::Base.view_paths
ActionView::Base.new(view_paths, {}).render(*args)
end
def reset_mtime_of(template_name)
unless ActionView::Base.cache_template_loading?
ActionController::Base.view_paths.find_template(template_name).previously_last_modified = 10.seconds.ago
end
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(perform_caching)
old_perform_caching = ActionController::Base.perform_caching
begin
ActionController::Base.perform_caching = perform_caching
yield
ensure
ActionController::Base.perform_caching = old_perform_caching
end
end
def with_reloading(reload_templates)
old_view_paths, old_cache_templates = ActionController::Base.view_paths, ActionView::Base.cache_template_loading
begin
ActionView::Base.cache_template_loading = !reload_templates
ActionController::Base.view_paths = view_paths_for(reload_templates)
yield
ensure
ActionController::Base.view_paths, ActionView::Base.cache_template_loading = old_view_paths, old_cache_templates
end
end
def view_paths_for(reload_templates)
# reloadable paths are cheap to create
reload_templates ? ActionView::PathSet.new(CACHED_VIEW_PATHS.map(&:to_s)) : CACHED_VIEW_PATHS
end
end
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