Class: FasTest::TestRunner

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

Overview

Used to discover tests and actually run them. Normally this class will be used by the command line client.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(verbose = false) ⇒ TestRunner

Returns a new instance of TestRunner.



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# File 'lib/fas_test.rb', line 9

def initialize(verbose = false)
  @verbose = verbose
  @assertion_count = 0
  @test_results = {}
end

Instance Attribute Details

#test_results ⇒ Object (readonly)

Returns the value of attribute test_results.



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# File 'lib/fas_test.rb', line 7

def test_results
  @test_results
end

Instance Method Details

#class_inherits_parent?(child_class, parent_class) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fas_test.rb', line 152

def class_inherits_parent?(child_class, parent_class)
  child_class.ancestors.any? { |ancestor| ancestor == parent_class }
end

#find_test_classes ⇒ Object 



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# File 'lib/fas_test.rb', line 130

def find_test_classes
  classes = []
  Module.constants.each do |constant|
    constant_str = constant.to_s
    if constant_str.end_with? "Tests"
      classes << eval(constant_str)
    end
  end
  return classes
end

#get_all_test_method_names(test_class) ⇒ Object 



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# File 'lib/fas_test.rb', line 126

def get_all_test_method_names(test_class)
  test_class.instance_methods.find_all { |m| m.to_s.start_with?('test__') }
end

#get_constant_type(construct) ⇒ Object 



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# File 'lib/fas_test.rb', line 141

def get_constant_type(construct)
  construct_class = construct.class
  if construct_class == Class
    return ConstantTypes::CLASS
  elsif construct_class == Module
    return ConstantTypes::MODULE
  else
    return ConstantTypes::OTHER
  end
end

#increment_assert_count ⇒ Object 



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# File 'lib/fas_test.rb', line 43

def increment_assert_count
  @assertion_count += 1
end

#init_test_instance(test_class) ⇒ Object 



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# File 'lib/fas_test.rb', line 37

def init_test_instance(test_class)
  test_instance = test_class.new
  test_instance.runner = self
  return test_instance
end

#load_test_files(path) ⇒ Object 



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# File 'lib/fas_test.rb', line 122

def load_test_files(path)
  Dir[File.join(path, '/**/*_tests.rb')].each { |file_name| load file_name }
end

#pretty_print_stack_trace(exception) ⇒ Object 



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# File 'lib/fas_test.rb', line 109

def pretty_print_stack_trace(exception)
  if @verbose
    exception.backtrace.each { |trace| puts "    #{trace}"}
  end
end

#print_summary ⇒ Object 



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# File 'lib/fas_test.rb', line 156

def print_summary
  pass_count = @test_results.values.find_all { |r| r.status == TestStatuses::PASS }.length
  fail_count = @test_results.length - pass_count
  puts "#{pass_count} passed; #{fail_count} failed; #{@assertion_count} assertions"
end

#record_test_result(test_instance, test_method_name, status) ⇒ Object 



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# File 'lib/fas_test.rb', line 80

def record_test_result(test_instance, test_method_name, status)
  test_class = test_instance.class
  key = "#{test_class.name}::#{test_method_name}"
  @test_results[key] = TestResult.new(test_class, test_method_name, status)
end

#run_test(test_instance, test_method_name) ⇒ Object 



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# File 'lib/fas_test.rb', line 47

def run_test(test_instance, test_method_name)
  begin
    status = TestStatuses::PASS
    setup_succeeded = try_test_setup(test_instance)
    test_instance.needs_teardown = true
    if setup_succeeded
      test_instance.send(test_method_name)
      if @verbose
        puts "Pass: #{test_instance.class.name}::#{test_method_name}"
      end
    end
  rescue AssertionException => ex
    status = TestStatuses::FAIL
    try_test_teardown(test_instance)
    puts "Fail: #{test_instance.class.name}::#{test_method_name}"
    puts "  -> #{ex.message}"
  rescue Exception => ex
    status = TestStatuses::CRASH
    try_test_teardown(test_instance)
    puts "Crash: #{test_instance.class.name}::#{test_method_name}"
    puts "  -> #{ex.class.name}: #{ex.message}"
    pretty_print_stack_trace(ex)
  rescue Object => obj
    status = TestStatuses::CRASH
    try_test_teardown(test_instance)
    puts "Crash: #{test_instance.class.name}::#{test_method_name}"
    puts "  -> Raised non-exception: #{obj.to_s}"
  ensure
    try_test_teardown(test_instance)
    record_test_result(test_instance, test_method_name, status)
  end
end

#run_tests_in_class(test_class) ⇒ Object 



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# File 'lib/fas_test.rb', line 15

def run_tests_in_class(test_class)
  test_instance = init_test_instance(test_class)
  begin
    setup_failed = false
    begin
      test_instance.class_setup
    rescue Object => ex
      puts "Superfail: Crashed when running #{test_class.name}::class_setup"
      puts "  -> #{ex.class.name}: #{ex.message}"
      pretty_print_stack_trace(ex)
      setup_failed = true
    end
    unless setup_failed
      get_all_test_method_names(test_class).each do |test_method_name|
        run_test(test_instance, test_method_name)
      end
    end
  ensure
    test_instance.class_teardown
  end
end

#run_tests_in_folder(path) ⇒ Object 



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# File 'lib/fas_test.rb', line 115

def run_tests_in_folder(path)
  load_test_files(path)
  find_test_classes.each do |test_class|
    run_tests_in_class(test_class)
  end
end

#try_test_setup(test_instance) ⇒ Object 



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# File 'lib/fas_test.rb', line 86

def try_test_setup(test_instance)
  setup_succeeded = true
  begin
    test_instance.test_setup
  rescue Exception => ex
    setup_succeeded = false
    puts "Superfail: #{test_instance.class.name}::test_setup"
    puts "  -> #{ex.class.name}: #{ex.message}"
    pretty_print_stack_trace(ex)
  end
  return setup_succeeded
end

#try_test_teardown(test_instance) ⇒ Object 



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# File 'lib/fas_test.rb', line 99

def try_test_teardown(test_instance)
  if test_instance.needs_teardown
    begin
      test_instance.test_teardown
    ensure
      test_instance.needs_teardown = false
    end
  end
end