class Test::Unit::FaultLocationDetector
Public Class Methods
new(fault, code_snippet_fetcher)
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# File lib/test/unit/fault-location-detector.rb, line 10 def initialize(fault, code_snippet_fetcher) @fault = fault @code_snippet_fetcher = code_snippet_fetcher extract_fault_information end
Public Instance Methods
split_backtrace_entry(entry)
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# File lib/test/unit/fault-location-detector.rb, line 16 def split_backtrace_entry(entry) match_data = /\A(.+):(\d+)(?::(.*))?\z/.match(entry) return nil if match_data.nil? file, line_number, context = match_data.to_a[1..-1] line_number = line_number.to_i if /\Ain `(.+?)'/ =~ context method_name = $1 if /\Ablock (?:\(.+?\) )?in / =~ method_name method_name = $POSTMATCH end else method_name = nil end [file, line_number, context, method_name] end
target?(backtrace_entry)
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# File lib/test/unit/fault-location-detector.rb, line 32 def target?(backtrace_entry) file, line_number, context, method_name = split_backtrace_entry(backtrace_entry) _ = context return false if file.nil? if @fault_source_location target_source_location?(file, line_number, method_name) elsif @fault_method_name target_method?(method_name) else true end end
Private Instance Methods
extract_fault_information()
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# File lib/test/unit/fault-location-detector.rb, line 85 def extract_fault_information if @fault.respond_to?(:source_location) @fault_source_location = @fault.source_location else @fault_source_location = nil end if @fault.respond_to?(:method_name) @fault_method_name = @fault.method_name else @fault_method_name = nil end end
guess_indent_level(line)
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# File lib/test/unit/fault-location-detector.rb, line 77 def guess_indent_level(line) if /\A(\s*)/ =~ line $1.sub(/\t/, " " * 8).count(" ") else 0 end end
target_method?(method_name)
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# File lib/test/unit/fault-location-detector.rb, line 73 def target_method?(method_name) @fault_method_name == method_name end
target_source_location?(file, line_number, method_name)
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# File lib/test/unit/fault-location-detector.rb, line 48 def target_source_location?(file, line_number, method_name) fault_file, fault_line_number = @fault_source_location return false unless file.end_with?(fault_file) return false if line_number < fault_line_number lines = @code_snippet_fetcher.source(file) return false if lines.nil? base_indent_level = nil fault_line_number.step(lines.size) do |current_line_number| line = lines[current_line_number - 1] current_indent_level = guess_indent_level(line) base_indent_level ||= current_indent_level return true if current_line_number == line_number if current_line_number == fault_line_number break if /(?:\send|\})\s*$/ =~ line else break if current_indent_level == base_indent_level end end false end