1 files changed, 41 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/is_string_spec.rb b/spec/unit/puppet/parser/functions/is_string_spec.rb
new file mode 100644
index 0000000..4f3f5fd
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/is_string_spec.rb
@@ -0,0 +1,41 @@
+#!/usr/bin/env rspec
+require 'spec_helper'
+
+describe "the is_string 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_string").should == "function_is_string"
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    lambda { @scope.function_is_string([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should return true if a string" do
+    result = @scope.function_is_string(["asdf"])
+    result.should(eq(true))
+  end
+
+  it "should return false if an integer" do
+    result = @scope.function_is_string(["3"])
+    result.should(eq(false))
+  end
+
+  it "should return false if a float" do
+    result = @scope.function_is_string(["3.23"])
+    result.should(eq(false))
+  end
+
+  it "should return false if an array" do
+    result = @scope.function_is_string([["a","b","c"]])
+    result.should(eq(false))
+  end
+
+end