Fix language BDD keywords API (#429)

Author: bhirsz

docs/releasenotes/3.3.1.rst

@@ -1,6 +1,6 @@
 Robotidy 3.3.1
 =========================================
-Fix release for RenameKeyword variable matching improvements.
+Fix release for breaking changes in RF 6.0 language API and RenameKeyword variable matching improvements.
 
 You can install the latest available version by running::
 
@@ -10,6 +10,11 @@ or to install exactly this version::
 
     pip install robotframework-tidy==3.3.1
 
+Fix Translate BDD keywords
+---------------------------
+Final release of the Robot Framework 6.0 modified the language API.
+This change will breaks the Robotidy with RF 6.0 when using ``Translate`` transformer with
+`translate_bdd`` set to ``True``. This release fixes it.
 
 Do not rename variables in RenameKeyword (#417)
 ------------------------------------------------

robotidy/transformers/Translate.py

@@ -83,11 +83,11 @@ def bdd_mapping(self):
         if self._bdd_mapping is None:
             self._bdd_mapping = {}
             for language in self.languages:
-                self._bdd_mapping.update({name.title(): "But" for name in language.but_prefix})
-                self._bdd_mapping.update({name.title(): "Given" for name in language.given_prefix})
-                self._bdd_mapping.update({name.title(): "And" for name in language.and_prefix})
-                self._bdd_mapping.update({name.title(): "Then" for name in language.then_prefix})
-                self._bdd_mapping.update({name.title(): "When" for name in language.when_prefix})
+                self._bdd_mapping.update({name.title(): "But" for name in language.but_prefixes})
+                self._bdd_mapping.update({name.title(): "Given" for name in language.given_prefixes})
+                self._bdd_mapping.update({name.title(): "And" for name in language.and_prefixes})
+                self._bdd_mapping.update({name.title(): "Then" for name in language.then_prefixes})
+                self._bdd_mapping.update({name.title(): "When" for name in language.when_prefixes})
         return self._bdd_mapping
 
     def get_bdd_keyword(self, container: Set, alternative: Optional[str], param_name: str) -> str:
@@ -114,11 +114,11 @@ def get_translated_bdd(
         if not self.translate_bdd:
             return {}
         return {
-            "But": self.get_bdd_keyword(self.language.but_prefix, but_alternative, "but_alternative"),
-            "Given": self.get_bdd_keyword(self.language.given_prefix, given_alternative, "given_alternative"),
-            "And": self.get_bdd_keyword(self.language.and_prefix, and_alternative, "and_alternative"),
-            "Then": self.get_bdd_keyword(self.language.then_prefix, then_alternative, "then_alternative"),
-            "When": self.get_bdd_keyword(self.language.when_prefix, when_alternative, "when_alternative"),
+            "But": self.get_bdd_keyword(self.language.but_prefixes, but_alternative, "but_alternative"),
+            "Given": self.get_bdd_keyword(self.language.given_prefixes, given_alternative, "given_alternative"),
+            "And": self.get_bdd_keyword(self.language.and_prefixes, and_alternative, "and_alternative"),
+            "Then": self.get_bdd_keyword(self.language.then_prefixes, then_alternative, "then_alternative"),
+            "When": self.get_bdd_keyword(self.language.when_prefixes, when_alternative, "when_alternative"),
         }
 
     def add_replace_language_header(self, node):

tests/atest/transformers/Translate/expected/de.robot

@@ -4,7 +4,7 @@ Dokumentation    This is doc
 
 Suitenachbereitung    Keyword
 
-Aufgaben Marker    tag
+Aufgabenmarker    tag
 
 
 *** Variablen ***

tests/packages/stable6/requirements.txt

@@ -1 +1 @@
-robotframework==6.0rc2
+robotframework==6.0