Add language to Cucumber JSON output

Author: youtux

src/pytest_bdd/cucumber_json.py

@@ -120,6 +120,7 @@ def stepmap(step: dict[str, Any]) -> dict[str, Any]:
                 "id": scenario["feature"]["rel_filename"].lower().replace(" ", "-"),
                 "line": scenario["feature"]["line_number"],
                 "description": scenario["feature"]["description"],
+                "language": scenario["feature"]["language"],
                 "tags": self._serialize_tags(scenario["feature"]),
                 "elements": [],
             }

src/pytest_bdd/gherkin_parser.py

@@ -269,6 +269,7 @@ def from_dict(cls, data: dict[str, Any]) -> Self:
 @dataclass
 class Feature:
     location: Location
+    language: str
     keyword: str
     tags: list[Tag]
     name: str
@@ -279,6 +280,7 @@ class Feature:
     def from_dict(cls, data: dict[str, Any]) -> Self:
         return cls(
             location=Location.from_dict(data["location"]),
+            language=data["language"],
             keyword=data["keyword"],
             tags=[Tag.from_dict(tag) for tag in data["tags"]],
             name=data["name"],

src/pytest_bdd/parser.py

@@ -40,6 +40,7 @@ class Feature:
     scenarios: OrderedDict[str, ScenarioTemplate]
     filename: str
     rel_filename: str
+    language: str
     keyword: str
     name: str | None
     tags: set[str]
@@ -447,6 +448,7 @@ def parse(self) -> Feature:
             background=None,
             line_number=feature_data.location.line,
             description=textwrap.dedent(feature_data.description),
+            language=feature_data.language,
         )
 
         for child in feature_data.children:

src/pytest_bdd/reporting.py

@@ -119,6 +119,7 @@ def serialize(self) -> dict[str, Any]:
                 "name": feature.name,
                 "filename": feature.filename,
                 "rel_filename": feature.rel_filename,
+                "language": feature.language,
                 "line_number": feature.line_number,
                 "description": feature.description,
                 "tags": sorted(feature.tags),

tests/feature/test_cucumber_json.py

@@ -225,6 +225,7 @@ def test_passing_outline():
             ],
             "id": os.path.join("test_step_trace0", "test.feature"),
             "keyword": "Feature",
+            "language": "en",
             "line": 2,
             "name": "One passing scenario, one failing scenario",
             "tags": [{"name": "feature-tag", "line": 1}],