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Feature: Table diffing
To allow you to more easily compare data in tables, you are able
to easily diff a table with expected data and see the diff in your
output.
Scenario: Extra row
Given a file named "features/tables.feature" with:
"""
Feature: Tables
Scenario: Extra row
Then the table should be:
| x | y |
| a | b |
"""
And a file named "features/step_definitions/steps.rb" with:
"""
Then /the table should be:/ do |expected| x=1
expected.diff!(table(%{
| x | y |
| a | c |
}))
end
"""
When I run `cucumber features/tables.feature`
Then it should fail with exactly:
"""
Feature: Tables
Scenario: Extra row # features/tables.feature:2
Then the table should be: # features/step_definitions/steps.rb:1
| x | y |
| a | b |
Tables were not identical:
| x | y |
| (-) a | (-) b |
| (+) a | (+) c |
(Cucumber::MultilineArgument::DataTable::Different)
./features/step_definitions/steps.rb:2:in `/the table should be:/'
features/tables.feature:3:in `Then the table should be:'
Failing Scenarios:
cucumber features/tables.feature:2 # Scenario: Extra row
1 scenario (1 failed)
1 step (1 failed)
0m0.012s
"""
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