The syntax highlighter does not work on windows so disable it for now.

Author: myronmarston

Changelog.md

@@ -53,7 +53,8 @@ Enhancements:
   to force the run to abort after the specified number of failures.
   (Jack Scotti, #2065)
 * Syntax highlight the failure snippets in text formatters when `color`
-  is enabled and the `coderay` gem is installed. (Myron Marston, #2109)
+  is enabled and the `coderay` gem is installed on a POSIX system.
+  (Myron Marston, #2109)
 
 Bug Fixes:
 

lib/rspec/core/source/syntax_highlighter.rb

@@ -15,9 +15,17 @@ def highlight(lines)
 
       private
 
-        def implementation
-          return color_enabled_implementation if @configuration.color_enabled?
-          ColorDisabledImplementation
+        if RSpec::Support::OS.windows?
+          # :nocov:
+          def implementation
+            WindowsImplementation
+          end
+          # :nocov:
+        else
+          def implementation
+            return color_enabled_implementation if @configuration.color_enabled?
+            ColorDisabledImplementation
+          end
         end
 
         def color_enabled_implementation
@@ -58,6 +66,11 @@ def self.highlight_syntax(lines)
             lines
           end
         end
+
+        # @private
+        # Not sure why, but our code above (and/or coderay itself) does not work
+        # on Windows, so we disable the feature on Windows.
+        WindowsImplementation = ColorDisabledImplementation
       end
     end
   end

spec/rspec/core/source/syntax_highlighter_spec.rb

@@ -9,7 +9,7 @@ def be_highlighted
       include("\e[32m")
     end
 
-    context "when CodeRay is available" do
+    context "when CodeRay is available", :unless => RSpec::Support::OS.windows? do
       before { expect { require 'coderay' }.not_to raise_error }
 
       it 'highlights the syntax of the provided lines' do
@@ -54,7 +54,7 @@ def be_highlighted
         expect(unhighlighted.first).not_to be_highlighted
       end
 
-      it 'adds a comment explaining the user can get syntax highlighting by installing coderay' do
+      it 'adds a comment explaining the user can get syntax highlighting by installing coderay', :unless => RSpec::Support::OS.windows? do
         lines = ["a = 1", "b = 2"]
         expect(highlighter.highlight(lines)).to eq([
           "a = 1",
@@ -63,7 +63,7 @@ def be_highlighted
         ])
       end
 
-      it 'indents the "install coderay" comment to match the snippet' do
+      it 'indents the "install coderay" comment to match the snippet', :unless => RSpec::Support::OS.windows? do
         lines = ["  a = 1", "    b = 2"]
         expect(highlighter.highlight(lines)).to eq([
           "  a = 1",