Class: RSpec::Signal::FailureBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/rspec/signal/failure_builder.rb

Overview

Turns an RSpec FailedExampleNotification into a plain Failure.

This is the only place that touches RSpec's notification API, which keeps the reduction, grouping and rendering stages testable without booting a suite.

Constant Summary collapse

SCREENSHOT = 
/\[Screenshot(?:\s+Image)?\]:\s*(\S+)/i
MAX_CAUSE_DEPTH = 
3
MAX_CAUSE_MESSAGE_LINES = 
5
MAX_CAUSE_SCAN = 
40

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ FailureBuilder

Returns a new instance of FailureBuilder.



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# File 'lib/rspec/signal/failure_builder.rb', line 16

def initialize(config)
  @config = config
end

Instance Method Details

#call(notification, position: nil) ⇒ Failure

Parameters:

  • notification (RSpec::Core::Notifications::FailedExampleNotification)
  • position (Integer) (defaults to: nil) —

    1-based failure number, used for the raw dump

Returns:



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# File 'lib/rspec/signal/failure_builder.rb', line 23

def call(notification, position: nil)
  example = notification.example
  exception = notification.exception
  extra = Array(example.metadata[:extra_failure_lines])
  frames = Backtrace::Parser.parse(backtrace_for(exception), @config.classifier)

  Failure.new(
    **identity(example),
    exception_class: exception_class_name(exception),
    message: message_for(notification, exception, extra),
    reduced: @config.reducer.call(frames),
    frames: frames,
    diagnostics: diagnostics(example, extra),
    shared_group_locations: shared_group_locations(example),
    raw: raw_output(notification, position)
  )
end