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Contents
Feature: custom formatters
RSpec ships with general purpose output formatters. You can tell RSpec which
one to use using the [`--format` command line
option]('../command_line/format_option').
When RSpec's built-in output formatters don't, however, give you everything
you need, you can write your own custom formatter and tell RSpec to use that
one instead. The simplest way is to subclass RSpec's `BaseTextFormatter`,
and then override just the methods that you want to modify.
Scenario: custom formatter
Given a file named "custom_formatter.rb" with:
"""
require "rspec/core/formatters/base_text_formatter"
class CustomFormatter < RSpec::Core::Formatters::BaseTextFormatter
def initialize(output)
super(output)
end
def example_started(proxy)
output << "example: " << proxy.description
end
end
"""
And a file named "example_spec.rb" with:
"""
describe "my group" do
specify "my example" do
end
end
"""
When I run `rspec example_spec.rb --require ./custom_formatter.rb --format CustomFormatter`
Then the output should contain "example: my example"
And the exit status should be 0
Version data entries
158 entries across 103 versions & 14 rubygems