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authormh <mh@immerda.ch>2011-05-17 21:10:40 +0200
committermh <mh@immerda.ch>2011-05-17 21:13:10 +0200
commit3827e73d67bece1b901d2bb2630a955aa737454c (patch)
tree7d7c2eabac5b60caaa31f655b35410cb7747850a /spec
parent521bad6447abecbd1780777bfc8c5adb80de42bb (diff)
downloadpuppet-common-3827e73d67bece1b901d2bb2630a955aa737454c.tar.gz
puppet-common-3827e73d67bece1b901d2bb2630a955aa737454c.tar.bz2
add array union function
Diffstat (limited to 'spec')
-rw-r--r--spec/unit/parser/functions/array_union.rb39
1 files changed, 39 insertions, 0 deletions
diff --git a/spec/unit/parser/functions/array_union.rb b/spec/unit/parser/functions/array_union.rb
new file mode 100644
index 0000000..37df2b3
--- /dev/null
+++ b/spec/unit/parser/functions/array_union.rb
@@ -0,0 +1,39 @@
+#! /usr/bin/env ruby
+
+require File.dirname(__FILE__) + '/../../../spec_helper'
+
+describe "the array_union function" do
+
+ before :each do
+ @scope = Puppet::Parser::Scope.new
+ end
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("array_union").should == "function_array_union"
+ end
+
+ it "should raise a ParseError if there is less than 2 arguments" do
+ lambda { @scope.function_array_union([["foo"]]) }.should( raise_error(Puppet::ParseError))
+ end
+
+ it "should raise a ParseError if there is more than 2 arguments" do
+ lambda { @scope.function_array_union([["foo", "bar", "gazonk"]]) }.should( raise_error(Puppet::ParseError))
+ end
+
+ it "should union to arrays" do
+ result = @scope.function_array_union([['a','b'],['c']])
+ result.should(eql(['a','b','c']))
+ end
+
+ it "should do nothing if an item is present" do
+ result = @scope.function_array_union([['a','b'],['b']])
+ result.should(eql(['a','b']))
+ end
+
+ it "should leave the argument untouched" do
+ a = ['a','b']
+ result = @scope.function_array_union([a,['c']])
+ a.should(eql(['a','b']))
+ end
+
+end