1 files changed, 30 insertions, 0 deletions
diff --git a/spec/functions/concat_spec.rb b/spec/functions/concat_spec.rb
new file mode 100755
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--- /dev/null
+++ b/spec/functions/concat_spec.rb
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+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the concat function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should raise a ParseError if the client does not provide two arguments" do
+    lambda { scope.function_concat([]) }.should(raise_error(Puppet::ParseError))
+  end
+
+  it "should raise a ParseError if the first parameter is not an array" do
+    lambda { scope.function_concat([1, []])}.should(raise_error(Puppet::ParseError))
+  end
+
+  it "should be able to concat an array" do
+    result = scope.function_concat([['1','2','3'],['4','5','6']])
+    result.should(eq(['1','2','3','4','5','6']))
+  end
+
+  it "should be able to concat a primitive to an array" do
+    result = scope.function_concat([['1','2','3'],'4'])
+    result.should(eq(['1','2','3','4']))
+  end
+
+  it "should not accidentally flatten nested arrays" do
+    result = scope.function_concat([['1','2','3'],[['4','5'],'6']])
+    result.should(eq(['1','2','3',['4','5'],'6']))
+  end
+
+end