Class: Querly::CLI::Test

Inherits:
Object
  • Object
show all
Defined in:
lib/querly/cli/test.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config_path:, stdout: STDOUT, stderr: STDERR) ⇒ Test

Returns a new instance of Test.



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# File 'lib/querly/cli/test.rb', line 8

def initialize(config_path:, stdout: STDOUT, stderr: STDERR)
  @config_path = config_path
  @stdout = stdout
  @stderr = stderr
end

Instance Attribute Details

#config_path ⇒ Object (readonly)

Returns the value of attribute config_path.



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# File 'lib/querly/cli/test.rb', line 4

def config_path
  @config_path
end

#stderr ⇒ Object (readonly)

Returns the value of attribute stderr.



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# File 'lib/querly/cli/test.rb', line 6

def stderr
  @stderr
end

#stdout ⇒ Object (readonly)

Returns the value of attribute stdout.



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# File 'lib/querly/cli/test.rb', line 5

def stdout
  @stdout
end

Instance Method Details

#load_config ⇒ Object 



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# File 'lib/querly/cli/test.rb', line 109

def load_config
  if config_path.file?
    config = Config.new
    config.add_file config_path
    config
  end
end

#run ⇒ Object 



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# File 'lib/querly/cli/test.rb', line 14

def run
  config = load_config

  unless config
    stdout.puts "There is nothing to test at #{config_path} ..."
    stdout.puts "Make a configuration and run test again!"
    return
  end

  validate_rule_uniqueness(config.rules)
  validate_rule_patterns(config.rules)
rescue => exn
  stderr.puts Rainbow("Fatal error:").red
  stderr.puts exn.inspect
  stderr.puts exn.backtrace.map {|x| "  " + x }.join("\n")
end

#test_pattern(pattern, example, expected:) ⇒ Object 



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# File 'lib/querly/cli/test.rb', line 94

def test_pattern(pattern, example, expected:)
  analyzer = Analyzer.new(taggings: [])

  found = false

  node = Parser::CurrentRuby.parse(example)
  analyzer.each_subnode NodePair.new(node: node) do |pair|
    if analyzer.test_pair(pair, pattern)
      found = true
    end
  end

  found == expected
end

#validate_rule_patterns(rules) ⇒ Object 



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# File 'lib/querly/cli/test.rb', line 46

def validate_rule_patterns(rules)
  stdout.puts "Checking rule patterns..."

  tests = 0
  false_positives = 0
  false_negatives = 0
  errors = 0

  rules.each do |rule|
    rule.before_examples.each.with_index do |example, example_index|
      tests += 1

      begin
        unless rule.patterns.any? {|pat| test_pattern(pat, example, expected: true) }
          stdout.puts(Rainbow("  #{rule.id}").red + ":\t#{example_index}th *before* example didn't match with any pattern")
          false_negatives += 1
        end
      rescue Parser::SyntaxError
        errors += 1
        stdout.puts(Rainbow("  #{rule.id}").red + ":\tParsing failed for #{example_index}th *before* example")
      end
    end

    rule.after_examples.each.with_index do |example, example_index|
      tests += 1

      begin
        unless rule.patterns.all? {|pat| test_pattern(pat, example, expected: false) }
          stdout.puts(Rainbow("  #{rule.id}").red + ":\t#{example_index}th *after* example matched with some of patterns")
          false_positives += 1
        end
      rescue Parser::SyntaxError
        errors += 1
        stdout.puts(Rainbow("  #{rule.id}") + ":\tParsing failed for #{example_index}th *after* example")
      end
    end
  end

  stdout.puts "Tested #{rules.size} rules with #{tests} tests."
  if false_positives > 0 || false_negatives > 0 || errors > 0
    stdout.puts "  #{false_positives} examples found which should not match, but matched"
    stdout.puts "  #{false_negatives} examples found which should match, but didn't"
    stdout.puts "  #{errors} examples raised error"
  else
    stdout.puts Rainbow("  All tests green!").green
  end
end

#validate_rule_uniqueness(rules) ⇒ Object 



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# File 'lib/querly/cli/test.rb', line 31

def validate_rule_uniqueness(rules)
  ids = Set.new

  stdout.puts "Checking rule id uniqueness..."

  duplications = 0

  rules.each do |rule|
    unless ids.add?(rule.id)
      stdout.puts Rainbow("  Rule id #{rule.id} duplicated!").red
      duplications += 1
    end
  end
end