Class: TestMap::FileRecorder

Inherits:
Object
  • Object
show all
Defined in:
lib/test_map/file_recorder.rb

Overview

FileRecorder records files accessed during test execution.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FileRecorder

Returns a new instance of FileRecorder.


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# File 'lib/test_map/file_recorder.rb', line 6

def initialize = @files = []

Instance Method Details

#results ⇒ Object

TODO: also add custom filters, e.g. for vendor directories


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# File 'lib/test_map/file_recorder.rb', line 26

def results
  raise NotTracedError.default unless @trace

  @files.filter { _1.start_with? Dir.pwd }
        .map { _1.sub("#{Dir.pwd}/", '') }
        .then { Filter.call _1 }
end

#stop ⇒ Object 


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# File 'lib/test_map/file_recorder.rb', line 23

def stop = @trace&.disable

#trace(&block) ⇒ Object 


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# File 'lib/test_map/file_recorder.rb', line 8

def trace(&block)
  raise TraceInUseError.default if @trace&.enabled?

  @trace = TracePoint.new(:call) do |tp|
    TestMap.logger.debug "#{tp.path}:#{tp.lineno}"
    @files << tp.path
  end

  if block_given?
    @trace.enable { block.call }
  else
    @trace.enable
  end
end