Scenario example validation restrictions removed.

Author: olegpidsadnyi

pytest_bdd/exceptions.py

@@ -17,14 +17,6 @@ class ExamplesNotValidError(ScenarioValidationError):
     """Example table is not valid."""
 
 
-class ScenarioExamplesNotValidError(ScenarioValidationError):
-    """Scenario steps parameters do not match declared scenario examples."""
-
-
-class FeatureExamplesNotValidError(ScenarioValidationError):
-    """Feature example table is not valid."""
-
-
 class StepDefinitionNotFoundError(Exception):
     """Step definition not found."""
 

pytest_bdd/parser.py

@@ -234,19 +234,8 @@ def render(self, context: typing.Mapping[str, typing.Any]) -> "Scenario":
         return Scenario(feature=self.feature, name=self.name, line_number=self.line_number, steps=steps, tags=self.tags)
 
     def validate(self):
-        """Validate the scenario.
-
-        :raises ScenarioValidationError: when scenario is not valid
-        """
-        params = frozenset(sum((list(step.params) for step in self.steps), []))
-        example_params = set(self.examples.example_params)
-        if params and example_params and params != example_params:
-            raise exceptions.ScenarioExamplesNotValidError(
-                """Scenario "{}" in the feature "{}" has not valid examples. """
-                """Set of step parameters {} should match set of example values {}.""".format(
-                    self.name, self.feature.filename, sorted(params), sorted(example_params)
-                )
-            )
+        """Validate the scenario."""
+        pass
 
 
 class Scenario:

tests/feature/test_outline.py

@@ -87,14 +87,15 @@ def test_wrongly_outlined(testdir):
         outline=textwrap.dedent(
             """\
             Feature: Outline
-                Scenario Outline: Outlined with wrong examples
+                Scenario Outline: Outlined with unused params
                     Given there are <start> cucumbers
                     When I eat <eat> cucumbers
+                    # And commented out step with <unused_param>
                     Then I should have <left> cucumbers
 
                     Examples:
-                    | start | eat | left | unknown_param |
-                    |  12   |  5  |  7   | value         |
+                    | start | eat | left | unused_param |
+                    |  12   |  5  |  7   | value        |
 
             """
         ),
@@ -106,18 +107,14 @@ def test_wrongly_outlined(testdir):
             """\
         from pytest_bdd import scenario
 
-        @scenario("outline.feature", "Outlined with wrong examples")
+        @scenario("outline.feature", "Outlined with unused params")
         def test_outline(request):
             pass
         """
         )
     )
     result = testdir.runpytest()
-    assert_outcomes(result, errors=1)
-    result.stdout.fnmatch_lines(
-        '*ScenarioExamplesNotValidError: Scenario "Outlined with wrong examples"*has not valid examples*',
-    )
-    result.stdout.fnmatch_lines("*should match set of example values [[]'eat', 'left', 'start', 'unknown_param'[]].*")
+    assert_outcomes(result, passed=1)
 
 
 def test_outlined_with_other_fixtures(testdir):