Class: Fiveruns::Dash::ExceptionRecorder

Inherits:
Object
  • Object
show all
Defined in:
lib/fiveruns/dash/exception_recorder.rb

Constant Summary collapse

RULES = 
[]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(session) ⇒ ExceptionRecorder

Returns a new instance of ExceptionRecorder.



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 57

def initialize(session)
  @session = session
end

Class Method Details

.add_ignore_rule(&rule) ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 51

def add_ignore_rule(&rule)
  RULES << rule
end

.esc(path_prefixes) ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 47

def esc(path_prefixes)
  path_prefixes.collect{|path|Regexp.escape(path)}.join('|')
end

.host ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 12

def host
  ::Fiveruns::Dash.host
end

.path_prefixes(syspaths, suffix = '') ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 43

def path_prefixes(syspaths, suffix='')
  syspaths.strip.split(":").collect { |path| Pathname.new(path+suffix).cleanpath.to_s }
end

.regexp_for_path(path) ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 39

def regexp_for_path(path)
  /^(#{Regexp.escape(Pathname.new(path).cleanpath.to_s)})/
end

.replacements ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 16

def replacements
  @replacements ||= begin
    paths = {
      :system => /^(#{esc(path_prefixes(system_paths))})/,
      :gems   => /^(#{esc(path_prefixes(system_gempaths, '/gems'))})/
    }
    %w(RAILS_ROOT MERB_ROOT).each do |root|
      const = nil
      const = Object.const_get(root) if Object.const_defined?(root)
      paths.merge({ :app => regexp_for_path(const) }) if const
    end
    paths
  end
end

.system_gempaths ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 31

def system_gempaths
  host.result :gem, 'environment gempath', :bat
end

.system_paths ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 35

def system_paths
  host.result :ruby, %(-e 'puts $:.reject { |p| p == "." }.join(":")'), :exe
end

Instance Method Details

#add_annotation(&annotation) ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 101

def add_annotation(&annotation)
  exception_annotations << annotation
end

#data ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 91

def data
  duped = exceptions.dup
  reset
  duped
end

#exception_annotations ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 61

def exception_annotations
  @exception_annotaters ||= []
end

#ignore_exception?(exception) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fiveruns/dash/exception_recorder.rb', line 65

def ignore_exception?(exception)
  RULES.any? do |rule|
    rule.call(exception)
  end
end

#record(exception, sample = nil) ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 71

def record(exception, sample=nil)
  return if ignore_exception? exception
  
  run_annotations(sample)
  
  data = extract_data_from_exception(exception)
  # Allow the sample data to override the exception's display name.
  data[:name] = sample.delete(:name) if sample and sample[:name]

  if (matching = existing_exception_for(data))
    matching[:total] += 1
    matching
  else
    data[:total] = 1
    data[:sample] = flatten_sample sample
    exceptions << data
    data
  end
end

#reset ⇒ Object 



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# File 'lib/fiveruns/dash/exception_recorder.rb', line 97

def reset
  exceptions.clear
end