1 files changed, 26 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/grep_spec.rb b/spec/unit/puppet/parser/functions/grep_spec.rb
new file mode 100755
index 0000000..b1f647c
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/grep_spec.rb
@@ -0,0 +1,26 @@
+#!/usr/bin/env rspec
+require 'spec_helper'
+
+describe "the grep 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("grep").should == "function_grep"
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    lambda { @scope.function_grep([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should grep contents from an array" do
+    result = @scope.function_grep([["aaabbb","bbbccc","dddeee"], "bbb"])
+    result.should(eq(["aaabbb","bbbccc"]))
+  end
+
+end