engine_test.rb in sass-3.3.0.alpha.93

- old
+ new

@@ -9,10 +9,19 @@
 
 module Sass::Script::Functions::UserFunctions
   def option(name)
     Sass::Script::String.new(@options[name.value.to_sym].to_s)
   end
+
+  def set_a_variable(name, value)
+    environment.set_var(name.value, value)
+    return Sass::Script::Null.new
+  end
+
+  def get_a_variable(name)
+    environment.var(name.value) || Sass::Script::String.new("undefined")
+  end
 end
 
 class SassEngineTest < Test::Unit::TestCase
   FAKE_FILE_NAME = __FILE__.gsub(/rb$/,"sass")
   # A map of erroneous Sass documents to the error messages they should produce.
@@ -1395,9 +1404,47 @@
   $intermediate: $val1 + $val2
   @return $intermediate/3
 
 bar
   a: foo(1, 2)
+SASS
+  end
+
+  def test_user_defined_function_variable_scope
+    render(<<SASS)
+bar
+  -no-op: set-a-variable(variable, 5)
+  a: $variable
+SASS
+    flunk("Exception not raised for test_user_defined_function_variable_scope")
+  rescue Sass::SyntaxError => e
+    assert_equal('Undefined variable: "$variable".', e.message)
+  end
+
+  def test_user_defined_function_can_change_global_variable
+    assert_equal(<<CSS, render(<<SASS))
+bar {
+  a: 5; }
+CSS
+$variable: 0
+bar
+  $local: 10
+  -no-op: set-a-variable(variable, 5)
+  a: $variable
+SASS
+  end
+
+  def test_user_defined_function_cannot_read_local_variable
+    assert_equal(<<CSS, render(<<SASS))
+bar {
+  global: 0;
+  local: undefined; }
+CSS
+$global: 0
+bar
+  $local: 10
+  global: get-a-variable(global)
+  local: get-a-variable(local)
 SASS
   end
 
   def test_control_directive_in_nested_property
     assert_equal(<<CSS, render(<<SASS))