Class: ExemplorChaser

Inherits:
Chaser
  • Object
show all
Defined in:
lib/exemplor-chaser.rb

Overview

Exemplor doesn’t have passthrough exceptions.

Constant Summary collapse

VERSION = 
'0.0.2'
@@test_pattern =

Fixme what’s idiomatic here?

'examples/_examples*.rb'
@@tests_loaded = 
false

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass_name = nil, method_name = nil) ⇒ ExemplorChaser

Returns a new instance of ExemplorChaser.



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# File 'lib/exemplor-chaser.rb', line 88

def initialize(klass_name=nil, method_name=nil)
  super
  self.class.load_test_files unless @@tests_loaded
end

Class Method Details

.load_test_files ⇒ Object 



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# File 'lib/exemplor-chaser.rb', line 19

def self.load_test_files
  @@tests_loaded = true
  raise "Can't detect any files in test pattern \"#{@@test_pattern}\"#{WINDOZE ? " Are you remembering to use forward slashes?" : ""}" if Dir.glob(@@test_pattern).empty?
  Dir.glob(@@test_pattern).each {|test| require test}
end

.test_pattern=(value) ⇒ Object 



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# File 'lib/exemplor-chaser.rb', line 15

def self.test_pattern=(value)
  @@test_pattern = value
end

.validate(klass_name, method_name = nil, force = false) ⇒ Object 



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# File 'lib/exemplor-chaser.rb', line 25

def self.validate(klass_name, method_name = nil, force = false)
  load_test_files
  klass = klass_name.to_class

  # Does the method exist?
  klass_methods = klass.singleton_methods(false).collect {|meth| "self.#{meth}"}
  if method_name
    if method_name =~ /self\./
      abort "Unknown method: #{klass_name}.#{method_name.gsub('self.', '')}" unless klass_methods.include? method_name
    else
      abort "Unknown method: #{klass_name}##{method_name}" unless klass.instance_methods(false).map{|sym| sym.to_s}.include? method_name
    end
  end

  initial_time = Time.now

  chaser = self.new(klass_name)

  passed = chaser.tests_pass?

  unless force or passed then
    abort "Initial run of examples failed... fix and run chaser again"
  end

  if self.guess_timeout? then
    running_time = Time.now - initial_time
    adjusted_timeout = (running_time * 2 < 5) ? 5 : (running_time * 2).ceil
    self.timeout = adjusted_timeout
  end

  puts "Timeout set to #{adjusted_timeout} seconds."

  if passed then
    puts "Initial examples pass. Let's rumble."
  else
    puts "Initial examples failed but you forced things. Let's rumble."
  end
  puts

  methods = method_name ? Array(method_name) : klass.instance_methods(false) + klass_methods

  counts = Hash.new(0)
  methods.sort.each do |method_name|
    result = self.new(klass_name, method_name).validate
    counts[result] += 1
  end
  all_good = counts[false] == 0

  puts "Chaser Results:"
  puts
  puts "Passed    : %3d" % counts[true]
  puts "Failed    : %3d" % counts[false]
  puts

  if all_good then
    puts "All chasing was thwarted! YAY!!!"
  else
    puts "Improve the tests and try again."
  end

  all_good
end

Instance Method Details

#tests_pass? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/exemplor-chaser.rb', line 93

def tests_pass?
  silence_stream do
    result = Exemplor.examples.run([]).zero?
    ARGV.clear
    result
  end
end