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require 'method_source'
module Rails
module LineFiltering # :nodoc:
def run(reporter, options = {})
if options[:patterns] && options[:patterns].any? { |p| p =~ /:\d+/ }
options[:filter] = \
CompositeFilter.new(self, options[:filter], options[:patterns])
end
super
end
end
class CompositeFilter # :nodoc:
def initialize(runnable, filter, patterns)
@runnable = runnable
@filters = [ derive_regexp(filter), *derive_line_filters(patterns) ].compact
end
def ===(method)
@filters.any? { |filter| filter === method }
end
private
def derive_regexp(filter)
filter =~ %r%/(.*)/% ? Regexp.new($1) : filter
end
def derive_line_filters(patterns)
patterns.map do |file_and_line|
file, line = file_and_line.split(':')
Filter.new(@runnable, file, line) if file
end
end
end
class Filter # :nodoc:
def initialize(runnable, file, line)
@runnable, @file = runnable, File.expand_path(file)
@line = line.to_i if line
end
def ===(method)
return unless @runnable.method_defined?(method)
if @line
test_file, test_range = definition_for(@runnable.instance_method(method))
test_file == @file && test_range.include?(@line)
else
@runnable.instance_method(method).source_location.first == @file
end
end
private
def definition_for(method)
file, start_line = method.source_location
end_line = method.source.count("\n") + start_line - 1
return file, start_line..end_line
end
end
end
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