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-rw-r--r--spec/unit/puppet/parser/functions/difference_spec.rb19
-rw-r--r--spec/unit/puppet/parser/functions/intersection_spec.rb19
-rw-r--r--spec/unit/puppet/parser/functions/union_spec.rb19
3 files changed, 57 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/difference_spec.rb b/spec/unit/puppet/parser/functions/difference_spec.rb
new file mode 100644
index 0000000..9feff09
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/difference_spec.rb
@@ -0,0 +1,19 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the difference function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("difference").should == "function_difference"
+ end
+
+ it "should raise a ParseError if there are fewer than 2 arguments" do
+ lambda { scope.function_difference([]) }.should( raise_error(Puppet::ParseError) )
+ end
+
+ it "should return the difference between two arrays" do
+ result = scope.function_difference([["a","b","c"],["b","c","d"]])
+ result.should(eq(["a"]))
+ end
+end
diff --git a/spec/unit/puppet/parser/functions/intersection_spec.rb b/spec/unit/puppet/parser/functions/intersection_spec.rb
new file mode 100644
index 0000000..fd44f7f
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/intersection_spec.rb
@@ -0,0 +1,19 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the intersection function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("intersection").should == "function_intersection"
+ end
+
+ it "should raise a ParseError if there are fewer than 2 arguments" do
+ lambda { scope.function_intersection([]) }.should( raise_error(Puppet::ParseError) )
+ end
+
+ it "should return the intersection of two arrays" do
+ result = scope.function_intersection([["a","b","c"],["b","c","d"]])
+ result.should(eq(["b","c"]))
+ end
+end
diff --git a/spec/unit/puppet/parser/functions/union_spec.rb b/spec/unit/puppet/parser/functions/union_spec.rb
new file mode 100644
index 0000000..0d282ca
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/union_spec.rb
@@ -0,0 +1,19 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the union function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("union").should == "function_union"
+ end
+
+ it "should raise a ParseError if there are fewer than 2 arguments" do
+ lambda { scope.function_union([]) }.should( raise_error(Puppet::ParseError) )
+ end
+
+ it "should join two arrays together" do
+ result = scope.function_union([["a","b","c"],["b","c","d"]])
+ result.should(eq(["a","b","c","d"]))
+ end
+end