Rename from_xxx methods with a bang !

Per ruby conventions, as they might raise on invalid/unknown values

lib/fastlane/plugin/wpmreleasetoolkit/models/locales.rb

@@ -89,7 +89,7 @@ def all
       # @raise [RuntimeException] if at least one of the locale codes was unknown
       #
       %i[glotpress android google_play ios app_store].each do |key|
-        define_method("from_#{key}") { |args| search!(key, args) }
+        define_method("from_#{key}!") { |args| search!(key, args) }
       end
 
       # Return an Array<Locale> based on glotpress locale codes
@@ -104,14 +104,14 @@ def [](*list)
         # If we passed a variadic list of Strings, `*list` will make it a single `Array<String>` and we were already good to go.
         # But if we passed an Array, `*list` will make it an Array<Array<String>> of one item; taking `list.first` will go back to Array<String>.
         list = list.first if list.count == 1 && list.first.is_a?(Array)
-        from_glotpress(list)
+        from_glotpress!(list)
       end
 
       # Return the subset of the 16 locales most of our apps are localized 100% (the ones we call the "Magnificent 16")
       #
       # @return [Array<Locale>] List of the Mag16 locales
       def mag16
-        from_glotpress(MAG16_GP_CODES)
+        from_glotpress!(MAG16_GP_CODES)
       end
 
       ###################

spec/locales_spec.rb

@@ -2,7 +2,7 @@
 
 describe Fastlane::Locales do
   shared_examples 'from_xxx' do |key, fr_code, pt_code|
-    let(:method_sym) { "from_#{key}".to_sym }
+    let(:method_sym) { "from_#{key}!".to_sym }
 
     it 'can find a locale from a single code' do
       fr_locale = described_class.send(method_sym, fr_code)
@@ -30,23 +30,23 @@
     end
   end
 
-  describe 'from_glotpress' do
+  describe 'from_glotpress!' do
     include_examples 'from_xxx', :glotpress, 'fr', 'pt-br'
   end
 
-  describe 'from_android' do
+  describe 'from_android!' do
     include_examples 'from_xxx', :android, 'fr', 'pt-rBR'
   end
 
-  describe 'from_google_play' do
+  describe 'from_google_play!' do
     include_examples 'from_xxx', :google_play, 'fr-FR', 'pt-BR'
   end
 
-  describe 'from_ios' do
+  describe 'from_ios!' do
     include_examples 'from_xxx', :ios, 'fr-FR', 'pt-BR'
   end
 
-  describe 'from_app_store' do
+  describe 'from_app_store!' do
     include_examples 'from_xxx', :app_store, 'fr-FR', 'pt-BR'
   end