1 files changed, 29 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/is_integer_spec.rb b/spec/unit/puppet/parser/functions/is_integer_spec.rb
new file mode 100644
index 0000000..5afbba4
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/is_integer_spec.rb
@@ -0,0 +1,29 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the is_integer function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    Puppet::Parser::Functions.function("is_integer").should == "function_is_integer"
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    lambda { scope.function_is_integer([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should return true if an integer" do
+    result = scope.function_is_integer(["3"])
+    result.should(eq(true))
+  end
+
+  it "should return false if a float" do
+    result = scope.function_is_integer(["3.2"])
+    result.should(eq(false))
+  end
+
+  it "should return false if a string" do
+    result = scope.function_is_integer(["asdf"])
+    result.should(eq(false))
+  end
+end