Fixes misleading error message

lib/webmock/request_registry.rb

@@ -25,7 +25,7 @@ def to_s
       else
         text = ""
         self.requested_signatures.each do |request_signature, times_executed|
-          text << "#{request_signature} was made #{times_executed} time#{times_executed == 1 ? '' : 's' }\n"
+          text.force_encoding('ASCII-8BIT') << "#{request_signature} was made #{times_executed} time#{times_executed == 1 ? '' : 's' }\n"
         end
         text
       end

spec/quality_spec.rb

@@ -30,7 +30,7 @@
   def check_for_tab_characters(filename)
     failing_lines = []
     File.readlines(filename).each_with_index do |line,number|
-      failing_lines << number + 1 if line =~ /\t/
+      failing_lines << number + 1 if line.force_encoding('UTF-8') =~ /\t/
     end
 
     unless failing_lines.empty?
@@ -41,7 +41,8 @@ def check_for_tab_characters(filename)
   def check_for_extra_spaces(filename)
     failing_lines = []
     File.readlines(filename).each_with_index do |line,number|
-      next if line =~ /^\s+#.*\s+\n$/
+      line.force_encoding('UTF-8') =~ /^\s+#.*\s+\n$/
+      next if line.force_encoding('UTF-8') =~ /^\s+#.*\s+\n$/
       failing_lines << number + 1 if line =~ /\s+\n$/
     end
 
@@ -64,7 +65,7 @@ def check_for_extra_spaces(filename)
     error_messages = []
     Dir.chdir(File.expand_path("../..", __FILE__)) do
       `git ls-files`.split("\n").each do |filename|
-        next if filename =~ /\.gitmodules|fixtures/
+        next if filename =~ /\.gitmodules|fixtures|support/
         error_messages << check_for_tab_characters(filename)
         error_messages << check_for_extra_spaces(filename)
       end

test/shared_test.rb

@@ -7,6 +7,8 @@ def setup
     super
     @stub_http = stub_http_request(:any, "http://www.example.com")
     @stub_https = stub_http_request(:any, "https://www.example.com")
+    @body1 = File.read(File.expand_path('test/support/body1'))
+    @body2 = File.read(File.expand_path('test/support/body2')).force_encoding('ASCII-8BIT')
   end
 
   def test_assert_requested_with_stub_and_block_raises_error
@@ -62,6 +64,20 @@ def test_verification_that_expected_request_occured_with_body_and_headers
       body: "abc", headers: {'A' => 'a'})
   end
 
+  def test_verification_that_expected_request_occured_with_utf8_body_and_headers
+    http_request(:post, "http://www.example.com/",
+      body: @body1, headers: {'A' => 'a'})
+    http_request(:post, "http://www.example.com/",
+      body: @body2, headers: {'A' => 'a'})
+    assert_fail(/.*/) do
+      # we know this will fail, but it shouldn't cause an exception
+      assert_requested(:post, "http://www.example.com",
+        body: @body1, headers: {'A' => 'b'})
+    end
+  rescue Encoding::CompatibilityError => e
+    flunk e.message
+  end
+
   def test_verification_that_expected_request_occured_with_query_params
     stub_request(:any, "http://www.example.com").with(query: hash_including({"a" => ["b", "c"]}))
     http_request(:get, "http://www.example.com/?a[]=b&a[]=c&x=1")