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# frozen_string_literal: true
require "abstract_unit"
class CompiledTemplatesTest < ActiveSupport::TestCase
teardown do
ActionView::LookupContext::DetailsKey.clear
end
def test_template_with_nil_erb_return
assert_equal "This is nil: \n", render(template: "test/nil_return")
end
def test_template_with_ruby_keyword_locals
assert_equal "The class is foo",
render(file: "test/render_file_with_ruby_keyword_locals", locals: { class: "foo" })
end
def test_template_with_invalid_identifier_locals
locals = {
foo: "bar",
Foo: "bar",
"d-a-s-h-e-s": "",
"white space": "",
}
assert_equal locals.inspect, render(file: "test/render_file_inspect_local_assigns", locals: locals)
end
def test_template_with_delegation_reserved_keywords
locals = {
_: "one",
arg: "two",
args: "three",
block: "four",
}
assert_equal "one two three four", render(file: "test/test_template_with_delegation_reserved_keywords", locals: locals)
end
def test_template_with_unicode_identifier
assert_equal "🎂", render(file: "test/render_file_unicode_local", locals: { 🎃: "🎂" })
end
def test_template_with_instance_variable_identifier
assert_equal "bar", render(file: "test/render_file_instance_variable", locals: { "@foo": "bar" })
end
def test_template_gets_recompiled_when_using_different_keys_in_local_assigns
assert_equal "one", render(file: "test/render_file_with_locals_and_default")
assert_equal "two", render(file: "test/render_file_with_locals_and_default", locals: { secret: "two" })
end
def test_template_changes_are_not_reflected_with_cached_templates
assert_equal "Hello world!", render(file: "test/hello_world")
modify_template "test/hello_world.erb", "Goodbye world!" do
assert_equal "Hello world!", render(file: "test/hello_world")
end
assert_equal "Hello world!", render(file: "test/hello_world")
end
def test_template_changes_are_reflected_with_uncached_templates
assert_equal "Hello world!", render_without_cache(file: "test/hello_world")
modify_template "test/hello_world.erb", "Goodbye world!" do
assert_equal "Goodbye world!", render_without_cache(file: "test/hello_world")
end
assert_equal "Hello world!", render_without_cache(file: "test/hello_world")
end
private
def render(*args)
render_with_cache(*args)
end
def render_with_cache(*args)
view_paths = ActionController::Base.view_paths
ActionView::Base.new(view_paths, {}).render(*args)
end
def render_without_cache(*args)
path = ActionView::FileSystemResolver.new(FIXTURE_LOAD_PATH)
view_paths = ActionView::PathSet.new([path])
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
end
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