backtrace_formatter.rb in lopata-0.1.14

- old
+ new
@@ -1,103 +1,103 @@
-module Lopata
-  module Observers
-    # @private
-    # Based on RSpec::Core::BacktraceFormatter
-    #
-    # Provides ability to format backtrace and find source code by file and line number.
-    class BacktraceFormatter
-      # @private
-      attr_accessor :exclusion_patterns, :inclusion_patterns
-
-      def initialize
-        patterns = %w[ /lib\d*/ruby/ bin/ exe/lopata /lib/bundler/ /exe/bundle /\.rvm/ ]
-        patterns.map! { |s| Regexp.new(s.gsub("/", File::SEPARATOR)) }
-
-        @exclusion_patterns = [Regexp.union(*patterns)]
-        @inclusion_patterns = []
-
-        inclusion_patterns << Regexp.new(Dir.getwd)
-      end
-
-      # Filter backtrace.
-      #
-      # @param backtrace [Array<String>] exception backtrace
-      # @return [Array<String>] backtrace lines except ruby libraries, gems and executable files.
-      def format(backtrace)
-        return [] unless backtrace
-        return backtrace if backtrace.empty?
-
-        backtrace.map { |l| backtrace_line(l) }.compact.
-          tap do |filtered|
-            if filtered.empty?
-              filtered.concat backtrace
-              filtered << ""
-              filtered << "  Showing full backtrace because every line was filtered out."
-            end
-          end
-      end
-
-
-      # Extracts error message from excetion
-      #
-      # @param exception [Exception]
-      # @param include_backtrace [Boolean] whether to add formatted backtrace to output
-      # @return [String] error message from excetion, incuding source code line.
-      def error_message(exception, include_backtrace: false)
-        backtrace = format(exception.backtrace)
-        source_line = extract_source_line(backtrace.first)
-        msg = ''
-        msg << "\n#{source_line}\n" if source_line
-        msg << "#{exception.class.name}: " unless exception.class.name =~ /RSpec/
-        msg << exception.message if exception.message
-        msg << "\n#{backtrace.join("\n")}\n" if include_backtrace
-        msg
-      end
-
-      def extract_source_line(backtrace_line)
-        file_and_line_number = backtrace_line.match(/(.+?):(\d+)(|:\d+)/)
-        return nil unless file_and_line_number
-        file_path, line_number = file_and_line_number[1..2]
-        return nil unless File.exist?(file_path)
-        lines = File.read(file_path).split("\n")
-        lines[line_number.to_i - 1]
-      end
-
-      def backtrace_line(line)
-        relative_path(line) unless exclude?(line)
-      end
-
-      def exclude?(line)
-        matches?(exclusion_patterns, line) && !matches?(inclusion_patterns, line)
-      end
-
-      private
-
-      def matches?(patterns, line)
-        patterns.any? { |p| line =~ p }
-      end
-
-      # Matches strings either at the beginning of the input or prefixed with a
-      # whitespace, containing the current path, either postfixed with the
-      # separator, or at the end of the string. Match groups are the character
-      # before and the character after the string if any.
-      #
-      # http://rubular.com/r/fT0gmX6VJX
-      # http://rubular.com/r/duOrD4i3wb
-      # http://rubular.com/r/sbAMHFrOx1
-      def relative_path_regex
-        @relative_path_regex ||= /(\A|\s)#{File.expand_path('.')}(#{File::SEPARATOR}|\s|\Z)/
-      end
-
-      # @param line [String] current code line
-      # @return [String] relative path to line
-      def relative_path(line)
-        line = line.sub(relative_path_regex, "\\1.\\2".freeze)
-        line = line.sub(/\A([^:]+:\d+)$/, '\\1'.freeze)
-        return nil if line == '-e:1'.freeze
-        line
-      rescue SecurityError
-        nil
-      end
-    end
-  end
-end
+module Lopata
+  module Observers
+    # @private
+    # Based on RSpec::Core::BacktraceFormatter
+    #
+    # Provides ability to format backtrace and find source code by file and line number.
+    class BacktraceFormatter
+      # @private
+      attr_accessor :exclusion_patterns, :inclusion_patterns
+
+      def initialize
+        patterns = %w[ /lib\d*/ruby/ bin/ exe/lopata /lib/bundler/ /exe/bundle /\.rvm/ /rvm/ ]
+        patterns.map! { |s| Regexp.new(s.gsub("/", File::SEPARATOR)) }
+
+        @exclusion_patterns = [Regexp.union(*patterns)]
+        @inclusion_patterns = []
+
+        inclusion_patterns << Regexp.new(Dir.getwd)
+      end
+
+      # Filter backtrace.
+      #
+      # @param backtrace [Array<String>] exception backtrace
+      # @return [Array<String>] backtrace lines except ruby libraries, gems and executable files.
+      def format(backtrace)
+        return [] unless backtrace
+        return backtrace if backtrace.empty?
+
+        backtrace.map { |l| backtrace_line(l) }.compact.
+          tap do |filtered|
+            if filtered.empty?
+              filtered.concat backtrace
+              filtered << ""
+              filtered << "  Showing full backtrace because every line was filtered out."
+            end
+          end
+      end
+
+
+      # Extracts error message from excetion
+      #
+      # @param exception [Exception]
+      # @param include_backtrace [Boolean] whether to add formatted backtrace to output
+      # @return [String] error message from excetion, incuding source code line.
+      def error_message(exception, include_backtrace: false)
+        backtrace = format(exception.backtrace)
+        source_line = extract_source_line(backtrace.first)
+        msg = ''
+        msg << "\n#{source_line}\n" if source_line
+        msg << "#{exception.class.name}: " unless exception.class.name =~ /RSpec/
+        msg << exception.message if exception.message
+        msg << "\n#{backtrace.join("\n")}\n" if include_backtrace
+        msg
+      end
+
+      def extract_source_line(backtrace_line)
+        file_and_line_number = backtrace_line.match(/(.+?):(\d+)(|:\d+)/)
+        return nil unless file_and_line_number
+        file_path, line_number = file_and_line_number[1..2]
+        return nil unless File.exist?(file_path)
+        lines = File.read(file_path).split("\n")
+        lines[line_number.to_i - 1]
+      end
+
+      def backtrace_line(line)
+        relative_path(line) unless exclude?(line)
+      end
+
+      def exclude?(line)
+        matches?(exclusion_patterns, line) && !matches?(inclusion_patterns, line)
+      end
+
+      private
+
+      def matches?(patterns, line)
+        patterns.any? { |p| line =~ p }
+      end
+
+      # Matches strings either at the beginning of the input or prefixed with a
+      # whitespace, containing the current path, either postfixed with the
+      # separator, or at the end of the string. Match groups are the character
+      # before and the character after the string if any.
+      #
+      # http://rubular.com/r/fT0gmX6VJX
+      # http://rubular.com/r/duOrD4i3wb
+      # http://rubular.com/r/sbAMHFrOx1
+      def relative_path_regex
+        @relative_path_regex ||= /(\A|\s)#{File.expand_path('.')}(#{File::SEPARATOR}|\s|\Z)/
+      end
+
+      # @param line [String] current code line
+      # @return [String] relative path to line
+      def relative_path(line)
+        line = line.sub(relative_path_regex, "\\1.\\2".freeze)
+        line = line.sub(/\A([^:]+:\d+)$/, '\\1'.freeze)
+        return nil if line == '-e:1'.freeze
+        line
+      rescue SecurityError
+        nil
+      end
+    end
+  end
+end