Rescue invalid byte sequence exception

lib/should_clean/replacer.rb

@@ -13,6 +13,8 @@ def initialize(file_path)
     end
 
     def run
+      return unless content.valid_encoding?
+
       tmp_file = Tempfile.new('tmp.txt')
 
       content.each_line.each do |line|

lib/should_clean/simulator.rb

@@ -13,6 +13,8 @@ def initialize(file_path, buffer = $stdout)
     end
 
     def run
+      return unless content.valid_encoding?
+
       content.each_line.each do |line|
         if line.strip.match(MATCHER)
           cleaned = Cleaner.clean(line)

spec/fixtures/broken_spec.txt

@@ -0,0 +1,12 @@
+require File.dirname(__FILE__) + '/../../../spec_helper'
+
+describe Notification do
+
+  it "should instantiate a notification for a given transaction ����" do
+    notification = BankStatement::Notification.for(:transaction => @transaction)
+    notification.is_a?(BankStatement::Notification).should be_true
+    notification.transaction.should == @transaction
+  end
+end
+
+hפ���g�<� ��x?name(__FILE__) + '/../../../spec_helper'

spec/should_clean/replacer_spec.rb

@@ -22,4 +22,10 @@
     replacer.run
     FileUtils.compare_file(spec_file, correct_spec_file).should be_true
   end
+
+  it "does not raise exception when file has invalid encoding" do
+    spec_file = File.join(File.dirname(__FILE__), '..', 'fixtures', 'broken_spec.txt')
+    replacer = ShouldClean::Replacer.new(spec_file)
+    lambda { replacer.run }.should_not raise_exception(ArgumentError)
+  end
 end

spec/should_clean/simulator_spec.rb

@@ -17,4 +17,11 @@
 + it %{does something} do
 eos
   end
+
+  it "does not raise exception when file has invalid encoding" do
+    spec_file = File.join(File.dirname(__FILE__), '..', 'fixtures', 'broken_spec.txt')
+    buffer = StringIO.new
+    simulator = ShouldClean::Simulator.new(spec_file, buffer)
+    lambda { simulator.run }.should_not raise_exception(ArgumentError)
+  end
 end