Class: MetricFu::Rcov

Inherits:
Generator show all
Defined in:
lib/generators/rcov.rb

Defined Under Namespace

Classes: Line

Constant Summary collapse

NEW_FILE_MARKER = 
("=" * 80) + "\n"

Instance Attribute Summary

Attributes inherited from Generator

#report, #template

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Generator

class_name, #create_data_dir_if_missing, #create_metric_dir_if_missing, #create_output_dir_if_missing, generate_report, #generate_report, #initialize, #metric_directory, metric_directory, #remove_excluded_files, #round_to_tenths, #to_graph

Constructor Details

This class inherits a constructor from MetricFu::Generator

Class Method Details

.verify_dependencies! ⇒ Object 



8
9
10
11
12
13
14
15
16
17
 
# File 'lib/generators/rcov.rb', line 8

def self.verify_dependencies!
  `rcov --help`
  unless $?.success?
    if RUBY_PLATFORM =~ /java/
      raise 'running in jruby - rcov tasks not available'
    else
      raise 'sudo gem install rcov # if you want the rcov tasks'
    end
  end
end

Instance Method Details

#analyze ⇒ Object 



50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
 
# File 'lib/generators/rcov.rb', line 50

def analyze
  output = File.open(MetricFu::Rcov.metric_directory + '/rcov.txt').read
  output = output.split(NEW_FILE_MARKER)
  # Throw away the first entry - it's the execution time etc.
  output.shift
  files = {}
  output.each_slice(2) {|out| files[out.first.strip] = out.last}
  files.each_pair {|fname, content| files[fname] = content.split("\n") }
  files.each_pair do |fname, content|
    content.map! do |raw_line|
      if raw_line.match(/^!!/)
        line = Line.new(raw_line.gsub('!!', '  '), false).to_h
      else
        line = Line.new(raw_line, true).to_h
      end
    end
    files[fname] = {:lines => content}
  end

  # Calculate the percentage of lines run in each file
  @global_total_lines = 0
  @global_total_lines_run = 0
  files.each_pair do |fname, content|
    lines = content[:lines]
    @global_total_lines_run += lines_run = lines.find_all {|line| line[:was_run] == true }.length
    @global_total_lines += total_lines = lines.length
    percent_run = ((lines_run.to_f / total_lines.to_f) * 100).round
    files[fname][:percent_run] = percent_run 
  end
  @rcov = files
end

#emit ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/generators/rcov.rb', line 32

def emit
  begin
    FileUtils.rm_rf(MetricFu::Rcov.metric_directory, :verbose => false)
    Dir.mkdir(MetricFu::Rcov.metric_directory)
    test_files = FileList[*MetricFu.rcov[:test_files]].join(' ')
    rcov_opts = MetricFu.rcov[:rcov_opts].join(' ')
    output = ">> #{MetricFu::Rcov.metric_directory}/rcov.txt"
    `rcov #{test_files} #{rcov_opts} #{output}`
  rescue LoadError
    if RUBY_PLATFORM =~ /java/
      puts 'running in jruby - rcov tasks not available'
    else
      puts 'sudo gem install rcov # if you want the rcov tasks'
    end
  end
end

#to_h ⇒ Object 



82
83
84
85
 
# File 'lib/generators/rcov.rb', line 82

def to_h
  global_percent_run = ((@global_total_lines_run.to_f / @global_total_lines.to_f) * 100)
  {:rcov => @rcov.merge({:global_percent_run => round_to_tenths(global_percent_run) })}   
end