Class: ParallelTests::Test::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/parallel_tests/test/runner.rb

Direct Known Subclasses

Cucumber::Runner, RSpec::Runner

Constant Summary collapse

NAME = 
'Test'

Class Method Summary collapse

Class Method Details

.execute_command(cmd, process_number, num_processes, options) ⇒ Object 



50
51
52
53
54
55
56
57
 
# File 'lib/parallel_tests/test/runner.rb', line 50

def self.execute_command(cmd, process_number,  num_processes, options)
  env = (options[:env] || {}).merge(
    "TEST_ENV_NUMBER" => test_env_number(process_number),
    "PARALLEL_TEST_GROUPS" => num_processes
  )
  cmd = "nice #{cmd}" if options[:nice]
  execute_command_and_capture_output(env, cmd, options[:serialize_stdout])
end

.execute_command_and_capture_output(env, cmd, silence) ⇒ Object 



59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
 
# File 'lib/parallel_tests/test/runner.rb', line 59

def self.execute_command_and_capture_output(env, cmd, silence)
  # make processes descriptive / visible in ps -ef
  exports = env.map do |k,v|
    "#{k}=#{v};export #{k}"
  end.join(";")
  cmd = "#{exports};#{cmd}"

  output, errput, exitstatus = nil
  if RUBY_PLATFORM == "java"
    # - JRuby's popen3 doesn't pass arguments correctly to the shell, so we use stdin
    # - JRuby's open cannot handle local variables properly so we would have to use instance variables
    Open3.popen3("sh -") do |stdin, stdout, stderr, thread|
       stdin.puts cmd
       stdin.close
       output, errput = capture_output(stdout, stderr, silence)
    end
    exitstatus = $?.exitstatus
  elsif RUBY_VERSION =~ /^1\.8/ or ENV["TEAMCITY_RAKE_RUNNER_MODE"] # fix #207
    open("|#{cmd}", "r") do |output|
      output, errput = capture_output(output, nil, silence)
    end
    exitstatus = $?.exitstatus
  else
    Open3.popen3(cmd) do |stdin, stdout, stderr, thread|
      stdin.close
      output, errput = capture_output(stdout, stderr, silence)
      exitstatus = thread.value.exitstatus
    end
  end

  {:stdout => output, :stderr => errput, :exit_status => exitstatus}
end

.find_results(test_output) ⇒ Object 



92
93
94
95
96
97
98
 
# File 'lib/parallel_tests/test/runner.rb', line 92

def self.find_results(test_output)
  test_output.split("\n").map {|line|
    line = line.gsub(/\.|F|\*/,'').gsub(/\e\[\d+m/,'')
    next unless line_is_result?(line)
    line
  }.compact
end

.line_is_result?(line) ⇒ Boolean

Returns:

  • (Boolean) 


32
33
34
 
# File 'lib/parallel_tests/test/runner.rb', line 32

def self.line_is_result?(line)
  line =~ /\d+ failure/
end

.name ⇒ Object

— usually overwritten by other runners



10
11
12
 
# File 'lib/parallel_tests/test/runner.rb', line 10

def self.name
  NAME
end

.run_tests(test_files, process_number, num_processes, options) ⇒ Object 



26
27
28
29
30
 
# File 'lib/parallel_tests/test/runner.rb', line 26

def self.run_tests(test_files, process_number, num_processes, options)
  require_list = test_files.map { |filename| %{"#{File.expand_path filename}"} }.join(",")
  cmd = "#{executable} -Itest -e '[#{require_list}].each {|f| require f }' -- #{options[:test_options]}"
  execute_command(cmd, process_number, num_processes, options)
end

.runtime_log ⇒ Object 



14
15
16
 
# File 'lib/parallel_tests/test/runner.rb', line 14

def self.runtime_log
  'tmp/parallel_runtime_test.log'
end

.summarize_results(results) ⇒ Object 



104
105
106
107
 
# File 'lib/parallel_tests/test/runner.rb', line 104

def self.summarize_results(results)
  sums = sum_up_results(results)
  sums.sort.map{|word, number|  "#{number} #{word}#{'s' if number != 1}" }.join(', ')
end

.test_env_number(process_number) ⇒ Object 



100
101
102
 
# File 'lib/parallel_tests/test/runner.rb', line 100

def self.test_env_number(process_number)
  process_number == 0 ? '' : process_number + 1
end

.test_file_name ⇒ Object 



22
23
24
 
# File 'lib/parallel_tests/test/runner.rb', line 22

def self.test_file_name
  "test"
end

.test_suffix ⇒ Object 



18
19
20
 
# File 'lib/parallel_tests/test/runner.rb', line 18

def self.test_suffix
  "_test.rb"
end

.tests_in_groups(tests, num_groups, options = {}) ⇒ Object

finds all tests and partitions them into groups



39
40
41
42
43
44
45
46
47
48
 
# File 'lib/parallel_tests/test/runner.rb', line 39

def self.tests_in_groups(tests, num_groups, options={})
  tests = find_tests(tests, options)

  tests = if options[:group_by] == :found
    tests.map { |t| [t, 1] }
  else
    with_runtime_info(tests)
  end
  Grouper.in_even_groups_by_size(tests, num_groups, options)
end