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module Spec
module Runner
# Parses a spec file and finds the nearest example for a given line number.
class SpecParser
def spec_name_for(io, line_number)
source = io.read
behaviour, behaviour_line = behaviour_at_line(source, line_number)
example, example_line = example_at_line(source, line_number)
if behaviour && example && (behaviour_line < example_line)
"#{behaviour} #{example}"
elsif behaviour
behaviour
else
nil
end
end
protected
def behaviour_at_line(source, line_number)
find_above(source, line_number, /^\s*(context|describe)\s+(.*)\s+do/)
end
def example_at_line(source, line_number)
find_above(source, line_number, /^\s*(specify|it)\s+(.*)\s+do/)
end
# Returns the context/describe or specify/it name and the line number
def find_above(source, line_number, pattern)
lines_above_reversed(source, line_number).each_with_index do |line, n|
return [parse_description($2), line_number-n] if line =~ pattern
end
nil
end
def lines_above_reversed(source, line_number)
lines = source.split("\n")
lines[0...line_number].reverse
end
def parse_description(str)
return str[1..-2] if str =~ /^['"].*['"]$/
if matches = /^(.*)\s*,\s*['"](.*)['"]$/.match(str)
return ::Spec::DSL::Description.generate_description(matches[1], matches[2])
end
return str
end
end
end
end
Version data entries
4 entries across 4 versions & 2 rubygems