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module Spec
module Runner
# Parses a spec file and finds the nearest spec for a given line number.
class SpecParser
def spec_name_for(io, line_number)
source = io.read
context = context_at_line(source, line_number)
spec = spec_at_line(source, line_number)
if context && spec
"#{context} #{spec}"
elsif context
context
else
nil
end
end
protected
def context_at_line(source, line_number)
find_above(source, line_number, /^\s*context\s+['|"](.*)['|"]/)
end
def spec_at_line(source, line_number)
find_above(source, line_number, /^\s*specify\s+['|"](.*)['|"]/)
end
def find_above(source, line_number, pattern)
lines_above_reversed(source, line_number).each do |line|
return $1 if line =~ pattern
end
nil
end
def lines_above_reversed(source, line_number)
lines = source.split("\n")
lines[0...line_number].reverse
end
end
end
end
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