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Feature: Exception in AfterStep Block
In order to use custom assertions at the end of each step
As a developer
I want exceptions raised in AfterStep blocks to be handled gracefully and reported by the formatters

Background:
Given a standard Cucumber project directory structure
And a file named "features/step_definitions/steps.rb" with:
"""
Given /^this step does something naughty$/ do x=1
@naughty = true
end

Given(/^this step works$/) do; end
"""
And a file named "features/support/env.rb" with:
"""
class NaughtyStepException < Exception; end
AfterStep do
if @naughty
raise NaughtyStepException.new("This step has been very very naughty")
end
end
"""

Scenario: Handle Exception in standard scenario step and carry on
Given a file named "features/naughty_step_in_scenario.feature" with:
"""
Feature: Sample

Scenario: Naughty Step
Given this step does something naughty

Scenario: Success
Given this step works
"""
When I run cucumber features
Then it should fail with
"""
Feature: Sample

Scenario: Naughty Step # features/naughty_step_in_scenario.feature:3
Given this step does something naughty # features/step_definitions/steps.rb:1
This step has been very very naughty (NaughtyStepException)
./features/support/env.rb:4:in `AfterStep'
features/naughty_step_in_scenario.feature:4:in `Given this step does something naughty'

Scenario: Success # features/naughty_step_in_scenario.feature:6
Given this step works # features/step_definitions/steps.rb:5

Failing Scenarios:
cucumber features/naughty_step_in_scenario.feature:3 # Scenario: Naughty Step

2 scenarios (1 failed, 1 passed)
2 steps (1 failed, 1 passed)

"""

Scenario: Handle Exception in scenario outline table row and carry on
Given a file named "features/naughty_step_in_scenario_outline.feature" with:
"""
Feature: Sample

Scenario Outline: Naughty Step
Given this step <Might Work>

Examples:
| Might Work |
| works |
| does something naughty |
| works |

Scenario: Success
Given this step works

"""
When I run cucumber features
Then it should fail with
"""
Feature: Sample

Scenario Outline: Naughty Step # features/naughty_step_in_scenario_outline.feature:3
Given this step <Might Work> # features/step_definitions/steps.rb:5

Examples:
| Might Work |
| works |
| does something naughty |
This step has been very very naughty (NaughtyStepException)
./features/support/env.rb:4:in `AfterStep'
features/naughty_step_in_scenario_outline.feature:4:in `Given this step <Might Work>'
| works |

Scenario: Success # features/naughty_step_in_scenario_outline.feature:12
Given this step works # features/step_definitions/steps.rb:5

Failing Scenarios:
cucumber features/naughty_step_in_scenario_outline.feature:3 # Scenario: Naughty Step

4 scenarios (1 failed, 3 passed)
4 steps (1 failed, 3 passed)

"""
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