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require 'mspec/expectations/expectations'
require 'mspec/runner/formatters/dotted'
class ProfileFormatter < DottedFormatter
def initialize(out=nil)
super
@describe_name = nil
@describe_time = nil
@describes = []
@its = []
end
def register
super
MSpec.register :enter, self
end
# Callback for the MSpec :enter event. Prints the
# +describe+ block string.
def enter(describe)
if @describe_time
@describes << [@describe_name, Time.now.to_f - @describe_time]
end
@describe_name = describe
@describe_time = Time.now.to_f
end
# Callback for the MSpec :before event. Prints the
# +it+ block string.
def before(state)
super
@it_name = state.it
@it_time = Time.now.to_f
end
# Callback for the MSpec :after event. Prints a
# newline to finish the description string output.
def after(state)
@its << [@describe_name, @it_name, Time.now.to_f - @it_time]
super
end
def finish
puts "\nProfiling info:"
desc = @describes.sort { |a,b| b.last <=> a.last }
desc.delete_if { |a| a.last <= 0.001 }
show = desc[0, 100]
puts "Top #{show.size} describes:"
show.each do |des, time|
printf "%3.3f - %s\n", time, des
end
its = @its.sort { |a,b| b.last <=> a.last }
its.delete_if { |a| a.last <= 0.001 }
show = its[0, 100]
puts "\nTop #{show.size} its:"
show.each do |des, it, time|
printf "%3.3f - %s %s\n", time, des, it
end
super
end
end
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