context.rb in power_assert-1.0.2

- old
+ new

@@ -21,11 +21,10 @@
                     trace_alias_method && tp.event == :return ? tp.binding.eval('::Kernel.__callee__') :
                                                                 tp.method_id
         next if ! method_id_set[method_id]
         next if tp.event == :c_return and
                 not (@parser.lineno == tp.lineno and @parser.path == tp.path)
-        next unless tp.binding # workaround for ruby 2.2
         locs = PowerAssert.app_caller_locations
         diff = locs.length - base_caller_length
         if (tp.event == :c_return && diff == 1 || tp.event == :return && diff <= 2) and Thread.current == @target_thread
           idx = -(base_caller_length + 1)
           if @parser.path == locs[idx].path and @parser.lineno == locs[idx].lineno
@@ -149,12 +148,14 @@
         if PowerAssert.app_context? and Thread.current == @target_thread
           @trace_call.disable
           locs = PowerAssert.app_caller_locations
           path = locs.last.path
           lineno = locs.last.lineno
-          line ||= open(path).each_line.drop(lineno - 1).first
-          @parser = Parser.new(line, path, lineno, @assertion_proc.binding, assertion_method.to_s)
+          if File.exist?(path)
+            line ||= open(path).each_line.drop(lineno - 1).first
+            @parser = Parser.new(line, path, lineno, @assertion_proc.binding, assertion_method.to_s)
+          end
         end
       end
     end
 
     def yield
@@ -178,11 +179,15 @@
     def initialize(binding)
       target_frame, *base = PowerAssert.app_caller_locations
       super(base.length)
       path = target_frame.path
       lineno = target_frame.lineno
-      line = open(path).each_line.drop(lineno - 1).first
-      @parser = Parser.new(line, path, lineno, binding)
+      if File.exist?(path)
+        line = open(path).each_line.drop(lineno - 1).first
+        @parser = Parser.new(line, path, lineno, binding)
+      else
+        @parser = Parser::DUMMY
+      end
     end
 
     def enable
       @fired = true
       @trace_return.enable