1 files changed, 36 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/is_numeric_spec.rb b/spec/unit/puppet/parser/functions/is_numeric_spec.rb
new file mode 100644
index 0000000..2191b7b
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/is_numeric_spec.rb
@@ -0,0 +1,36 @@
+#!/usr/bin/env rspec
+require 'spec_helper'
+
+describe "the is_numeric function" do
+  before :all do
+    Puppet::Parser::Functions.autoloader.loadall
+  end
+
+  before :each do
+    @scope = Puppet::Parser::Scope.new
+  end
+
+  it "should exist" do
+    Puppet::Parser::Functions.function("is_numeric").should == "function_is_numeric"
+  end
+
+  it "should raise a ParseError if there is less than 1 argument" do
+    lambda { @scope.function_is_numeric([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should return true if an integer" do
+    result = @scope.function_is_numeric(["3"])
+    result.should(eq(true))
+  end
+
+  it "should return true if a float" do
+    result = @scope.function_is_numeric(["3.2"])
+    result.should(eq(true))
+  end
+
+  it "should return false if a string" do
+    result = @scope.function_is_numeric(["asdf"])
+    result.should(eq(false))
+  end
+
+end