Initial revision

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3477 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/test/unit/error.rb

@@ -0,0 +1,68 @@
+# :nodoc:
+#
+# Author:: Nathaniel Talbott.
+# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
+# License:: Ruby license.
+
+module Test
+  module Unit
+
+    # Encapsulates an error in a test. Created by
+    # Test::Unit::TestCase when it rescues an exception thrown
+    # during the processing of a test.
+    class Error
+      attr_reader(:location, :exception)
+
+      SINGLE_CHARACTER = 'E'
+
+      # Creates a new Error with the given location and
+      # exception.
+      def initialize(location, exception)
+        @location = location
+        @exception = exception
+      end
+
+      # Returns a single character representation of an error.
+      def single_character_display
+        SINGLE_CHARACTER
+      end
+
+      # Returns the message associated with the error.
+      def message
+        "#{@exception.class.name}: #{@exception.message}"
+      end
+
+      # Returns a brief version of the error description.
+      def short_display
+        "#{@location}:\n#{message}"
+      end
+
+      # Returns a verbose version of the error description.
+      def long_display
+        backtrace = self.class.filter(@exception.backtrace).join("\n    ")
+        "Error!!!\n#{short_display}\n    #{backtrace}"
+      end
+
+      # Overridden to return long_display.
+      def to_s
+        long_display
+      end
+
+      SEPARATOR_PATTERN = '[\\\/:]'
+      def self.filter(backtrace) # :nodoc:
+        @test_unit_patterns ||= $:.collect {
+          | path |
+          /^#{Regexp.escape(path)}#{SEPARATOR_PATTERN}test#{SEPARATOR_PATTERN}unit#{SEPARATOR_PATTERN}/
+        }.push(/#{SEPARATOR_PATTERN}test#{SEPARATOR_PATTERN}unit\.rb/)
+
+        return backtrace.delete_if {
+            | line |
+            @test_unit_patterns.detect {
+              | pattern |
+              line =~ pattern
+            }
+          }
+      end
+    end
+  end
+end