Works for objects with missing/pathalogical inspect methods Fixes #20

lib/seeing_is_believing/line.rb

@@ -28,7 +28,12 @@ def initialize(array = [], max_number_of_captures=Float::INFINITY)
     end
 
     def record_result(value)
-      inspected = value.inspect # only invoke inspect once, b/c the inspection may be recorded
+      begin
+        inspected = value.inspect.to_str # only invoke inspect once, b/c the inspection may be recorded
+      rescue NoMethodError
+        inspected = "#<no inspect available>"
+      end
+
       if    size <  @max_number_of_captures then @array << inspected
       elsif size == @max_number_of_captures then @array << '...'
       end

spec/line_spec.rb

@@ -19,6 +19,19 @@ def line_for(*args)
     line.inspect.should == '#<SIB:Line[] (0, 0) RuntimeError:"omg">'
   end
 
+  it "doesn't blow up when there is no #inspect available e.g. BasicObject" do
+    obj = BasicObject.new
+    line_for(obj).inspect.should == '#<SIB:Line["#<no inspect available>"] (1, 23) no exception>'
+  end
+
+  it "doesn't blow up when #inspect returns a not-String (e.g. pathalogical libraries like FactoryGirl)" do
+    obj = BasicObject.new
+    def obj.inspect
+      nil
+    end
+    line_for(obj).inspect.should == '#<SIB:Line["#<no inspect available>"] (1, 23) no exception>'
+  end
+
   it 'knows when it has an exception' do
     exception = RuntimeError.new 'omg'
     line = Line.new