openstreetmap-website/test/lib/i18n_test.rb
Andy Allan 387d130e87 Add some validations for i18n values
These only apply to the en.yml file for now, but can be expanded
in due course.
2023-04-12 13:58:55 +01:00

119 lines
3.3 KiB
Ruby

require "test_helper"
class I18nTest < ActiveSupport::TestCase
I18n.available_locales.each do |locale|
define_method("test_#{locale.to_s.underscore}".to_sym) do
without_i18n_exceptions do
# plural_keys = plural_keys(locale)
translation_keys.each do |key|
variables = []
default_value = I18n.t(key, :locale => I18n.default_locale)
if default_value.is_a?(Hash)
variables.push("count")
default_value.each_value do |subvalue|
subvalue.scan(/%\{(\w+)\}/) do
variables.push(Regexp.last_match(1))
end
end
else
default_value.scan(/%\{(\w+)\}/) do
variables.push(Regexp.last_match(1))
end
end
variables.push("attribute") if key =~ /^(active(model|record)\.)?errors\./
value = I18n.t(key, :locale => locale, :fallback => true)
if value.is_a?(Hash)
value.each do |subkey, subvalue|
# assert plural_keys.include?(subkey), "#{key}.#{subkey} is not a valid plural key"
next if subvalue.nil?
subvalue.scan(/%\{(\w+)\}/) do
assert_includes variables, Regexp.last_match(1), "#{key}.#{subkey} uses unknown interpolation variable #{Regexp.last_match(1)}"
end
end
assert_includes value, :other, "#{key}.other plural key missing"
else
assert value.is_a?(String), "#{key} is not a string"
value.scan(/%\{(\w+)\}/) do
assert_includes variables, Regexp.last_match(1), "#{key} uses unknown interpolation variable #{Regexp.last_match(1)}"
end
end
end
assert_includes %w[ltr rtl], I18n.t("html.dir", :locale => locale), "html.dir must be ltr or rtl"
end
end
end
def test_en_for_raw_html
en = YAML.load_file(Rails.root.join("config/locales/en.yml"))
assert_nothing_raised do
check_values_for_raw_html(en)
end
end
def test_en_for_nil_values
en = YAML.load_file(Rails.root.join("config/locales/en.yml"))
assert_nothing_raised do
check_values_for_nil(en)
end
end
private
def translation_keys(scope = nil)
plural_keys = plural_keys(I18n.default_locale)
I18n.t(scope || ".", :locale => I18n.default_locale).map do |key, value|
scoped_key = scope ? "#{scope}.#{key}" : key
case value
when Hash
if value.keys - plural_keys == []
scoped_key
else
translation_keys(scoped_key)
end
when String
scoped_key
end
end.flatten
end
def plural_keys(locale)
I18n.t("i18n.plural.keys", :locale => locale, :raise => true) + [:zero]
rescue I18n::MissingTranslationData
[:zero, :one, :other]
end
def check_values_for_raw_html(hash)
hash.each_pair do |k, v|
if v.is_a? Hash
check_values_for_raw_html(v)
else
next unless k.end_with?("_html")
raise "Avoid using raw html in '#{k}: #{v}'" if v.include? "<"
end
end
end
def check_values_for_nil(hash)
hash.each_pair do |k, v|
if v.is_a? Hash
check_values_for_nil(v)
else
raise "Avoid nil values in '#{k}: nil'" if v.nil?
end
end
end
end