Class: Guard::Jasmine::Runner

Inherits:
Object
  • Object
show all
Includes:
Util
Defined in:
lib/guard/jasmine/runner.rb

Overview

The Jasmine runner handles the execution of the spec through the PhantomJS binary, evaluates the JSON response from the PhantomJS Script guard_jasmine.coffee, writes the result to the console and triggers optional system notifications.

Constant Summary

THRESHOLDS =

Name of the coverage threshold options

[:statements_threshold, :functions_threshold, :branches_threshold, :lines_threshold].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#find_free_server_port, #phantomjs_bin_valid?, #runner_available?, #which

Constructor Details

#initialize(options) ⇒ Runner

Run the supplied specs.

Parameters:

  • options (Hash)

    the options for the execution

Options Hash (options):

  • :jasmine_url (String)

    the url of the Jasmine test runner

  • :phantomjs_bin (String)

    the location of the PhantomJS binary

  • :timeout (Integer)

    the maximum time in seconds to wait for the spec runner to finish

  • :rackup_config (String)

    custom rackup config to use

  • :notification (Boolean)

    show notifications

  • :hide_success (Boolean)

    hide success message notification

  • :max_error_notify (Integer)

    maximum error notifications to show

  • :specdoc (Symbol)

    options for the specdoc output, either :always, :never

  • :console (Symbol)

    options for the console.log output, either :always, :never or :failure

  • :spec_dir (String)

    the directory with the Jasmine specs

  • :query_params (Hash)

    Parameters to pass along with the request

  • :debug (Boolean)

    display raw JSON output from the runner



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# File 'lib/guard/jasmine/runner.rb', line 40

def initialize(options)
  @options = options
end

Instance Attribute Details

#optionsObject (readonly)

Returns the value of attribute options



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# File 'lib/guard/jasmine/runner.rb', line 19

def options
  @options
end

Instance Method Details

#any_coverage_threshold?Boolean (private)

Do we should check the coverage?

Returns:

  • (Boolean)

    true if any coverage threshold is set



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# File 'lib/guard/jasmine/runner.rb', line 602

def any_coverage_threshold?
  THRESHOLDS.any? { |threshold| options[threshold].nonzero? }
end

#check_coverageObject (private)

Uses the Istanbul text reported to output the result of the last coverage run.



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# File 'lib/guard/jasmine/runner.rb', line 372

def check_coverage
  if any_coverage_threshold?
    coverage = `#{coverage_bin} check-coverage #{ istanbul_coverage_options } #{ coverage_file } 2>&1`
    coverage = coverage.split("\n").grep(/ERROR/).join.sub('ERROR:', '')
    failed   = $CHILD_STATUS && $CHILD_STATUS.exitstatus.nonzero?

    if failed
      Formatter.error coverage
      Formatter.notify(coverage, title: 'Code coverage failed', image: :failed, priority: 2) if options[:notification]
    else
      Formatter.success 'Code coverage succeed'
      Formatter.notify('All code is adequately covered with specs', title: 'Code coverage succeed') if options[:notification] && !options[:hide_success]
    end
  end
end

#collect_spec_errors(suites) ⇒ Array<Hash> (private)

Get all failed specs from the suites and its nested suites.

Parameters:

  • suites (Array<Hash>)

    the suites results

Returns:

  • (Array<Hash>)

    all failed



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# File 'lib/guard/jasmine/runner.rb', line 541

def collect_spec_errors(suites)
  collect_specs(suites).map do |spec|
    (spec['errors'] || []).map { |error| format_error(error, false) }
  end.flatten
end

#collect_specs(suites) ⇒ Array<Hash> (private)

Get all specs from the suites and its nested suites.

Parameters:

  • suites (Array<Hash>)

    the suites results

Returns:

  • (Array<Hash>)

    all specs



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# File 'lib/guard/jasmine/runner.rb', line 552

def collect_specs(suites)
  suites.each_with_object([]) do |suite, specs|
    specs.concat(suite['specs'])
    specs.concat(collect_specs(suite['suites'])) if suite['suites']
  end
end

#console_for_spec?(spec) ⇒ Boolean (private)

Are console logs shown for this spec?

Parameters:

  • spec (Hash)

    the spec

Returns:

  • (Boolean)


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# File 'lib/guard/jasmine/runner.rb', line 464

def console_for_spec?(spec)
  spec['logs'] && ((spec['status'] == 'passed' && options[:console] == :always) ||
    (spec['status'] == 'failed' && options[:console] != :never))
end

#contains_failed_spec?(suite) ⇒ Boolean (private)

Tests if the given suite has a failing spec underneath.

Parameters:

  • suite (Hash)

    the suite result

Returns:

  • (Boolean)

    the search result



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# File 'lib/guard/jasmine/runner.rb', line 532

def contains_failed_spec?(suite)
  collect_specs([suite]).any? { |spec| spec['status'] == 'failed' }
end

#coverage_binString (private)

Returns the coverage executable path.

Returns:

  • (String)

    the path



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# File 'lib/guard/jasmine/runner.rb', line 621

def coverage_bin
  @coverage_bin ||= which 'istanbul'
end

#coverage_fileString (private)

Get the coverage file to save all coverage data. Creates tmp/coverage if not exists.

Returns:

  • (String)

    the filename to use



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# File 'lib/guard/jasmine/runner.rb', line 630

def coverage_file
  File.join(coverage_root, 'coverage.json')
end

#coverage_report_directoryString (private)

Creates and returns the coverage report directory.

Returns:

  • (String)

    the coverage report directory



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# File 'lib/guard/jasmine/runner.rb', line 646

def coverage_report_directory
  File.expand_path(options[:coverage_html_dir])
end

#coverage_rootString (private)

Create and returns the coverage root directory.

Returns:

  • (String)

    the coverage root



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# File 'lib/guard/jasmine/runner.rb', line 638

def coverage_root
  File.expand_path(File.join('tmp', 'coverage'))
end

#description_shown?(passed, spec) ⇒ Boolean (private)

Is the description shown for this spec?

Parameters:

  • passed (Boolean)

    the spec status

  • spec (Hash)

    the spec

Returns:

  • (Boolean)


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# File 'lib/guard/jasmine/runner.rb', line 482

def description_shown?(passed, spec)
  specdoc_shown?(passed) || console_for_spec?(spec) || errors_for_spec?(spec)
end

#errors_for_spec?(spec) ⇒ Boolean (private)

Are errors shown for this spec?

Parameters:

  • spec (Hash)

    the spec

Returns:

  • (Boolean)


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# File 'lib/guard/jasmine/runner.rb', line 472

def errors_for_spec?(spec)
  spec['errors'] && ((spec['status'] == 'passed' && options[:errors] == :always) ||
    (spec['status'] == 'failed' && options[:errors] != :never))
end

#evaluate_response(output, file) ⇒ Hash (private)

Evaluates the JSON response that the PhantomJS script writes to stdout. The results triggers further notification actions.

Parameters:

  • output (String)

    the JSON output the spec run

  • file (String)

    the file name of the spec

Returns:

  • (Hash)

    results of the suite's specs



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# File 'lib/guard/jasmine/runner.rb', line 229

def evaluate_response(output, file)
  json = output.read
  json = json.encode('UTF-8') if json.respond_to?(:encode)
  json = json.gsub(/Unsafe JavaScript.*/, '')
  begin
    result = MultiJson.decode(json, max_nesting: false)
    raise 'No response from Jasmine runner' if !result && options[:is_cli]
    pp result if options[:debug]
    if result['error']
      if options[:is_cli]
        raise "Runner error: #{result['error']}"
      else
        notify_runtime_error(result)
      end
    elsif result
      result['file'] = file
      notify_spec_result(result)
    end

    if result && result['coverage'] && options[:coverage]
      notify_coverage_result(result['coverage'], file)
    end

    return result

  rescue MultiJson::DecodeError => e
    if e.data == ''
      if options[:is_cli]
        raise 'No response from Jasmine runner'
      else
        Formatter.error('No response from the Jasmine runner!')
      end
    elsif options[:is_cli]
      raise "Cannot decode JSON from PhantomJS runner, message received was:\n#{json}"
    else
      Formatter.error("Cannot decode JSON from PhantomJS runner: #{e.message}")
      Formatter.error("JSON response: #{e.data}")
      Formatter.error("message received was:\n#{json}")
    end
  ensure
    output.close
  end
end

#file_and_line_number_parts(file) ⇒ Array (private)

Splits the file name into the physical file name and the line number if present. E.g.: 'some_spec.js.coffee:10' -> ['some_spec.js.coffee', 10].

If the line number is missing the second part of the returned array is nil.

Parameters:

  • file (String)

    the spec file

Returns:

  • (Array)

    [file_name, line_number]



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# File 'lib/guard/jasmine/runner.rb', line 194

def file_and_line_number_parts(file)
  match = file.match(/^(.+?)(?::(\d+))?$/)
  [match[1], match[2].nil? ? nil : match[2].to_i]
end

#format_error(error, short) ⇒ String (private)

Formats a message.

Parameters:

  • message (String)

    the error message

  • short (Boolean)

    show a short version of the message

Returns:

  • (String)

    the cleaned error message



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# File 'lib/guard/jasmine/runner.rb', line 565

def format_error(error, short)
  message = error['message'].gsub(%r{ in http.*\(line \d+\)$}, '')
  if !short && error['trace'] && !error['trace'].empty?
    location = error['trace'][0]
    "#{message} in #{location['file']}:#{location['line']}"
  else
    message
  end
end

#generate_html_reportObject (private)

Uses the Istanbul text reported to output the result of the last coverage run.



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# File 'lib/guard/jasmine/runner.rb', line 391

def generate_html_report
  report_directory = coverage_report_directory
  `#{coverage_bin} report --dir #{ report_directory } --root #{ coverage_root } html #{ coverage_file }`
  Formatter.info "Updated HTML report available at: #{report_directory}/index.html"
end

#generate_summary_reportObject (private)

Uses the Istanbul text-summary reporter to output the summary of all the coverage runs combined.



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# File 'lib/guard/jasmine/runner.rb', line 400

def generate_summary_report
  Formatter.info 'Spec coverage summary:'

  puts ''

  `#{coverage_bin} report --root #{ coverage_root } text-summary #{ coverage_file }`.each_line do |line|
    puts line.sub(/\n$/, '') if line =~ /\)$/
  end

  puts ''
end

#generate_text_report(file) ⇒ Object (private)

Uses the Istanbul text reported to output the result of the last coverage run.

Parameters:

  • file (String)

    the file name of the spec



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# File 'lib/guard/jasmine/runner.rb', line 350

def generate_text_report(file)
  Formatter.info 'Spec coverage details:'

  if file == options[:spec_dir]
    matcher = /[|+]$/
  else
    impl    = file.sub('_spec', '').sub(options[:spec_dir], '')
    matcher = /(-+|All files|% Lines|#{ Regexp.escape(File.basename(impl)) }|#{ File.dirname(impl).sub(/^\//, '') }\/[^\/])/
  end

  puts ''

  `#{coverage_bin} report --root #{ coverage_root } text #{ coverage_file }`.each_line do |line|
    puts line.sub(/\n$/, '') if line =~ matcher
  end

  puts ''
end

#indent(message, level) ⇒ Object (private)

Indent a message.

Parameters:

  • message (String)

    the message

  • level (Number)

    the indention level



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# File 'lib/guard/jasmine/runner.rb', line 523

def indent(message, level)
  (' ' * level) + message
end

#istanbul_coverage_optionsString (private)

Converts the options to Istanbul recognized options

Returns:

  • (String)

    the command line options



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# File 'lib/guard/jasmine/runner.rb', line 610

def istanbul_coverage_options
  THRESHOLDS.inject([]) do |coverage, name|
    threshold = options[name]
    coverage << (threshold.nonzero? ? "--#{name.to_s.sub('_threshold', '')} #{threshold}" : '')
  end.reject(&:empty?).join(' ')
end

#it_and_describe_lines(file, from, to) ⇒ Object (private)

Returns all lines of the file that are either a 'describe' or a 'it' declaration.

Parameters:

  • file (String)

    the spec file

  • from (Numeric)

    the first line in the range

  • to (Numeric)

    the last line in the range



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# File 'lib/guard/jasmine/runner.rb', line 207

def it_and_describe_lines(file, from, to)
  File.readlines(file)[from, to]
      .select { |x| x =~ /^\s*(it|describe)/ }
end

#jasmine_suite(file) ⇒ String (private)

Get the Jasmine test runner URL with the appended suite name that acts as the spec filter.

Parameters:

  • file (String)

    the spec file

Returns:

  • (String)

    the Jasmine url



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# File 'lib/guard/jasmine/runner.rb', line 117

def jasmine_suite(file)
  options[:jasmine_url] + query_string_for_suite(file)
end

#notify_coverage_result(coverage, file) ⇒ Object (private)

Notification about the coverage of a spec run, success or failed, and some stats.

Parameters:

  • coverage (Hash)

    the coverage hash from the JSON

  • file (String)

    the file name of the spec



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# File 'lib/guard/jasmine/runner.rb', line 325

def notify_coverage_result(coverage, file)
  if coverage_bin
    FileUtils.mkdir_p(coverage_root) unless File.exist?(coverage_root)

    update_coverage(coverage, file)

    if options[:coverage_summary]
      generate_summary_report
    else
      generate_text_report(file)
    end

    check_coverage

    generate_html_report if options[:coverage_html]
  else
    Formatter.error('Skipping coverage report: unable to locate istanbul in your PATH')
  end
end

#notify_runtime_error(result) ⇒ Object (private)

Notification when a system error happens that prohibits the execution of the Jasmine spec.

Parameters:

  • result (Hash)

    the suite result



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# File 'lib/guard/jasmine/runner.rb', line 278

def notify_runtime_error(result)
  message = "An error occurred: #{result['error']}"
  Formatter.error(message)
  Formatter.error(result['trace']) if result['trace']
  Formatter.notify(message, title: 'Jasmine error', image: :failed, priority: 2) if options[:notification]
end

#notify_spec_result(result) ⇒ Object (private)

Notification about a spec run, success or failure, and some stats.

Parameters:

  • result (Hash)

    the suite result



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# File 'lib/guard/jasmine/runner.rb', line 290

def notify_spec_result(result)
  specs         = result['stats']['specs'] - result['stats']['disabled']
  failed        = result['stats']['failed']
  time          = format('%0.2f', result['stats']['time'])
  specs_plural  = specs == 1 ? '' : 's'
  failed_plural = failed == 1 ? '' : 's'
  Formatter.info("Finished in #{time} seconds")
  pending = result['stats']['pending'].to_i > 0 ? " #{result['stats']['pending']} pending," : ''
  message      = "#{specs} spec#{specs_plural},#{pending} #{failed} failure#{failed_plural}"
  full_message = "#{message}\nin #{time} seconds"
  passed       = failed.zero?

  report_specdoc(result, passed) if specdoc_shown?(passed)

  if passed
    Formatter.success(message)
    Formatter.notify(full_message, title: 'Jasmine suite passed') if options[:notification] && !options[:hide_success]
  else
    errors = collect_spec_errors(result['suites'])
    error_message = errors[0..options[:max_error_notify]].join("\n")

    Formatter.error(message)
    if options[:notification]
      Formatter.notify("#{error_message}\n#{full_message}",
                       title: 'Jasmine suite failed', image: :failed, priority: 2)
    end
  end
end

#notify_start_message(paths) ⇒ Object (private)

Shows a notification in the console that the runner starts.

Parameters:

  • paths (Array<String>)

    the spec files or directories



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# File 'lib/guard/jasmine/runner.rb', line 77

def notify_start_message(paths)
  message = if paths == [options[:spec_dir]]
              'Run all Jasmine suites'
            else
              "Run Jasmine suite#{paths.size == 1 ? '' : 's'} #{paths.join(' ')}"
            end

  Formatter.info(message, reset: true)
end

#phantomjs_commandString (private)

Get the PhantomJS binary and script to execute.

Returns:

  • (String)

    the command



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# File 'lib/guard/jasmine/runner.rb', line 106

def phantomjs_command
  options[:phantomjs_bin] + ' ' + phantomjs_script
  # options[:phantomjs_bin] + ' --remote-debugger-port=9000 ' + phantomjs_script
end

#phantomjs_scriptString (private)

Get the PhantomJS script that executes the spec and extracts the result from the headless DOM.

Returns:

  • (String)

    the path to the PhantomJS script



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# File 'lib/guard/jasmine/runner.rb', line 126

def phantomjs_script
  File.expand_path(File.join(File.dirname(__FILE__), 'phantomjs', 'guard-jasmine.js'))
end

#query_string_for_suite(file) ⇒ String (private)

The suite name must be extracted from the spec that will be run.

Parameters:

  • file (String)

    the spec file

Returns:

  • (String)

    the suite name



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# File 'lib/guard/jasmine/runner.rb', line 136

def query_string_for_suite(file)
  params = {}
  params.merge!(options[:query_params]) if options[:query_params]

  params[:spec] = suite_from_line_number(file) || suite_from_first_describe(file) if file != options[:spec_dir]
  params.empty? ? '' : '?' + URI.encode_www_form(params).gsub('+', '%20')
end

#report_specdoc(result, passed) ⇒ Object (private)

Specdoc like formatting of the result.

Parameters:

  • result (Hash)

    the suite result

  • passed (Boolean)

    status



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# File 'lib/guard/jasmine/runner.rb', line 417

def report_specdoc(result, passed)
  result['suites'].each do |suite|
    report_specdoc_suite(suite, passed)
  end
end

#report_specdoc_errors(spec, level) ⇒ Object (private)

Shows the errors for a given spec.

Parameters:

  • spec (Hash)

    the spec result

  • level (Number)

    the indention level



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# File 'lib/guard/jasmine/runner.rb', line 505

def report_specdoc_errors(spec, level)
  return unless spec['errors'] && (options[:errors] == :always || (options[:errors] == :failure && spec['status'] == 'failed'))

  spec['errors'].each do |error|
    Formatter.spec_failed(indent("#{format_error(error, true)}", level))
    next unless error['trace']

    error['trace'].each do |trace|
      Formatter.spec_failed(indent("#{trace['file']} on line #{trace['line']}", level + 2))
    end
  end
end

#report_specdoc_logs(spec, level) ⇒ Object (private)

Shows the logs for a given spec.

Parameters:

  • spec (Hash)

    the spec result

  • level (Number)

    the indention level



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# File 'lib/guard/jasmine/runner.rb', line 491

def report_specdoc_logs(spec, level)
  if console_for_spec?(spec)
    spec['logs'].each do |log_level, message|
      log_level = log_level == 'log' ? '' : "#{log_level.upcase}: "
      Formatter.info(indent("#{log_level}#{message}", level))
    end
  end
end

#report_specdoc_suite(suite, run_passed, level = 0) ⇒ Object (private)

Show the suite result.

Parameters:

  • suite (Hash)

    the suite

  • passed (Boolean)

    status

  • level (Number) (defaults to: 0)

    the indention level



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# File 'lib/guard/jasmine/runner.rb', line 429

def report_specdoc_suite(suite, run_passed, level = 0)
  # Print the suite description when the specdoc is shown or there are logs to display
  Formatter.suite_name((' ' * level) + suite['description'])

  suite['specs'].each do |spec|
    # Specs are shown if they failed, or if they passed and the "focus" option is falsey
    # If specs are going to be shown, then pending are also shown
    # If the focus option is set, then only failing tests are shown
    next unless :always == options[:specdoc] || spec['status'] == 'failed' || (!run_passed && !options[:focus])
    if spec['status'] == 'passed'
      Formatter.success(indent("#{spec['description']}", level))
    elsif spec['status'] == 'failed'
      Formatter.spec_failed(indent("#{spec['description']}", level))
    else
      Formatter.spec_pending(indent("#{spec['description']}", level))
    end
    report_specdoc_errors(spec, level)
    report_specdoc_logs(spec, level)
  end

  suite['suites'].each { |s| report_specdoc_suite(s, run_passed, level + 2) } if suite['suites']
end

#run(paths, per_run_options = {}) ⇒ Hash<String,Array>

Returns keys for the spec_file, value is array of failure messages. Only specs with failures will be returned. Therefore an empty? return hash indicates success.

Parameters:

  • paths (Array<String>)

    the spec files or directories

Returns:

  • (Hash<String,Array>)

    keys for the spec_file, value is array of failure messages. Only specs with failures will be returned. Therefore an empty? return hash indicates success.



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# File 'lib/guard/jasmine/runner.rb', line 47

def run(paths, per_run_options = {})
  previous_options = @options
  @options.merge!(per_run_options)

  return {} if paths.empty?

  notify_start_message(paths)

  run_results = paths.each_with_object({}) do |file, results|
    if File.exist?(file_and_line_number_parts(file)[0])
      results[file] = evaluate_response(run_jasmine_spec(file), file)
    end
  end
  # return the errors
  return run_results.each_with_object({}) do |spec_run, hash|
    file, r = spec_run
    errors = collect_spec_errors(r['suites'] || [])
    errors.push(r['error']) if r.key? 'error'
    hash[file] = errors unless errors.empty?
  end
ensure
  @options = previous_options
end

#run_jasmine_spec(file) ⇒ Object (private)

Run the Jasmine spec by executing the PhantomJS script.

Parameters:

  • file (String)

    the path of the spec



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# File 'lib/guard/jasmine/runner.rb', line 91

def run_jasmine_spec(file)
  suite = jasmine_suite(file)

  arguments = [
    options[:timeout] * 1000
  ]
  cmd = "#{phantomjs_command} \"#{suite}\" #{arguments.collect(&:to_s).join(' ')}"
  puts cmd if options[:debug]
  IO.popen(cmd, 'r:UTF-8')
end

#spec_title(line) ⇒ String (private)

Extracts the title of a 'description' or a 'it' declaration.

Parameters:

  • the (String)

    line content

Returns:

  • (String)

    the extracted title



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# File 'lib/guard/jasmine/runner.rb', line 217

def spec_title(line)
  line[/['"](.+?)["']/, 1]
end

#specdoc_shown?(passed) ⇒ Boolean (private)

Is the specdoc shown for this suite?

Parameters:

  • passed (Boolean)

    the spec status

Returns:

  • (Boolean)


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# File 'lib/guard/jasmine/runner.rb', line 456

def specdoc_shown?(passed)
  options[:specdoc] == :always || (options[:specdoc] == :failure && !passed)
end

#suite_from_first_describe(file) ⇒ String (private)

The suite name must be extracted from the spec that will be run. This is done by parsing from the head of the spec file until the first describe function is found.

Parameters:

  • file (String)

    the spec file

Returns:

  • (String)

    the suite name



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# File 'lib/guard/jasmine/runner.rb', line 178

def suite_from_first_describe(file)
  File.foreach(file) do |line|
    return Regexp.last_match[1] if line =~ /describe\s*[("']+(.*?)["')]+/ # '
  end
end

#suite_from_line_number(file) ⇒ String (private)

When providing a line number by either the option or by a number directly after the file name the suite is extracted fromt the corresponding line number in the file.

Parameters:

  • file (String)

    the spec file

Returns:

  • (String)

    the suite name



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# File 'lib/guard/jasmine/runner.rb', line 151

def suite_from_line_number(file)
  file_name, line_number = file_and_line_number_parts(file)
  line_number ||= options[:line_number]

  if line_number
    lines = it_and_describe_lines(file_name, 0, line_number)
    last = lines.pop

    last_indentation = last[/^\s*/].length
    # keep only lines with lower indentation
    lines.delete_if { |x| x[/^\s*/].length >= last_indentation }
    # remove all 'it'
    lines.delete_if { |x| x =~ /^\s*it/ }

    lines << last
    lines.map { |x| spec_title(x) }.join(' ')
  end
end

#update_coverage(coverage, file) ⇒ Object (private)

Updates the coverage data with new data for the implementation file. It replaces the coverage data if the file is the spec dir.

Parameters:

  • coverage (Hash)

    the last run coverage data

  • file (String)

    the file name of the spec



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# File 'lib/guard/jasmine/runner.rb', line 581

def update_coverage(coverage, file)
  if file == options[:spec_dir]
    File.write(coverage_file, MultiJson.encode(coverage, max_nesting: false))
  elsif File.exist?(coverage_file)
    impl     = file.sub('_spec', '').sub(options[:spec_dir], '')
    coverage = MultiJson.decode(File.read(coverage_file), max_nesting: false)

    coverage.each do |coverage_file, data|
      coverage[coverage_file] = data if coverage_file == impl
    end

    File.write(coverage_file, MultiJson.encode(coverage, max_nesting: false))
  else
    File.write(coverage_file, MultiJson.encode({}))
  end
end