1 files changed, 25 insertions, 0 deletions
diff --git a/spec/functions/abs_spec.rb b/spec/functions/abs_spec.rb
new file mode 100755
index 0000000..c0b4297
--- /dev/null
+++ b/spec/functions/abs_spec.rb
@@ -0,0 +1,25 @@
+#! /usr/bin/env ruby -S rspec
+
+require 'spec_helper'
+
+describe "the abs function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    Puppet::Parser::Functions.function("abs").should == "function_abs"
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    lambda { scope.function_abs([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should convert a negative number into a positive" do
+    result = scope.function_abs(["-34"])
+    result.should(eq(34))
+  end
+
+  it "should do nothing with a positive number" do
+    result = scope.function_abs(["5678"])
+    result.should(eq(5678))
+  end
+end