A helper function for capturing the output of a pipe.

features/command_line.feature

@@ -191,3 +191,27 @@ Feature: Command Line
     When I run: compass grid-img 50x24 assets/wide_grid.png
     Then a directory assets is not created
     And a png file assets/wide_grid.png is not created
+
+  Scenario: Generate a compass configuration file
+    When I run: compass config config/compass.rb --sass-dir sass --css-dir assets/css
+    Then a configuration file config/compass.rb is created
+    And the following configuration properties are set in config/compass.rb:
+      | property | value      |
+      | sass_dir | sass       |
+      | css_dir  | assets/css |
+
+  Scenario: Validate the generated CSS
+    Given I am using the existing project in test/fixtures/stylesheets/compass
+    When I run: compass validate
+    Then my css is validated
+    And I am informed that it is not, because IE6 hacks suck.
+
+  Scenario: Get stats for my project
+    Given I am using the existing project in test/fixtures/stylesheets/compass
+    When I run: compass stats
+    Then I am told statistics for each file:
+      | filename        | lines | mixins | selectors | properties |
+      | src/screen.sass |    22 |      1 |       134 |      1,320 |
+      | src/print.sass  |    22 |      1 |       134 |      1,320 |
+      | src/ie.sass     |    22 |      1 |       134 |      1,320 |
+

features/step_definitions/command_line_steps.rb

@@ -164,3 +164,20 @@ Then /^the list of commands should describe the ([^ ]+) command$/ do |command|
   @last_result.should =~ /^\s+\* #{command}\s+- [A-Z].+$/
 end
 
+Then /^the following configuration properties are set in config\/compass\.rb:$/ do |table|
+  # table is a Cucumber::Ast::Table
+  pending
+end
+
+Then /^my css is validated$/ do
+  pending
+end
+
+Then /^I am informed that it is not, because IE6 hacks suck\.$/ do
+  pending
+end
+
+Then /^I am told statistics for each file:$/ do |table|
+  # table is a Cucumber::Ast::Table
+  pending
+end

test/io_helper.rb

@@ -15,5 +15,22 @@ module Compass
     ensure
       $stderr = real_stderr
     end
+
+    def capture_pipe(io, options = {})
+      options[:wait] = 0.25
+      options[:timeout] = 1.0
+      output = ""
+      eof_at = nil
+      while !eof_at || (Time.now - eof_at < options[:wait])
+        if io.eof?
+          eof_at ||= Time.now
+          sleep 0.1
+        else
+          eof_at = nil
+          timeout(options[:timeout]) { output << io.readpartial(1024) }
+        end
+      end
+      output
+    end
   end
-end
+end