1 files changed, 34 insertions, 0 deletions
diff --git a/spec/unit/parser/parser.rb b/spec/unit/parser/parser.rb
new file mode 100755
index 000000000..94b19be40
--- /dev/null
+++ b/spec/unit/parser/parser.rb
@@ -0,0 +1,34 @@
+#!/usr/bin/env ruby
+
+require File.dirname(__FILE__) + '/../../spec_helper'
+
+describe Puppet::Parser do
+
+    AST = Puppet::Parser::AST
+
+    before :each do
+        @parser = Puppet::Parser::Parser.new :environment => "development"
+    end
+
+    describe "when parsing append operator" do
+
+        it "should not raise syntax errors" do
+            lambda { @parser.parse("$var += something") }.should_not raise_error
+        end
+
+        it "shouldraise syntax error on incomplete syntax " do
+            lambda { @parser.parse("$var += ") }.should raise_error
+        end
+
+        it "should call AST::VarDef with append=true" do
+            AST::VarDef.expects(:new).with { |h| h[:append] == true }
+            @parser.parse("$var += 2")
+        end
+
+        it "should work with arrays too" do
+            AST::VarDef.expects(:new).with { |h| h[:append] == true }
+            @parser.parse("$var += ['test']")
+        end
+
+    end
+end