Merge remote-tracking branch 'upstream/pull/4222'

[rails.git] / test / lib / i18n_test.rb

diff --git a/test/lib/i18n_test.rb b/test/lib/i18n_test.rb
index 9c7d8e568347625a5c8d58291c4a028afe3c7769..a25e4887c9bd00a11f51d178d7a8f859b35baee1 100644 (file)
--- a/test/lib/i18n_test.rb
+++ b/test/lib/i18n_test.rb
@@ -55,6 +55,32 @@ class I18nTest < ActiveSupport::TestCase
     end
   end
 
+  Rails.root.glob("config/locales/*.yml").each do |filename|
+    lang = File.basename(filename, ".yml")
+    define_method("test_#{lang}_for_raw_html".to_sym) do
+      yml = YAML.load_file(filename)
+      assert_nothing_raised do
+        check_values_for_raw_html(yml)
+      end
+    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
+
+  # We should avoid using the key `zero:` in English, since that key
+  # is used for "numbers ending in zero" in other languages.
+  def test_en_for_zero_key
+    en = YAML.load_file(Rails.root.join("config/locales/en.yml"))
+    assert_nothing_raised do
+      check_keys_for_zero(en)
+    end
+  end
+
   private
 
   def translation_keys(scope = nil)
@@ -81,4 +107,35 @@ class I18nTest < ActiveSupport::TestCase
   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.to_s.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
+
+  def check_keys_for_zero(hash)
+    hash.each_pair do |k, v|
+      if v.is_a? Hash
+        check_keys_for_zero(v)
+      else
+        raise "Avoid using 'zero' key in '#{k}: #{v}'" if k.to_s == "zero"
+      end
+    end
+  end
 end