1 files changed, 36 insertions, 0 deletions
diff --git a/spec/functions/regexpescape_spec.rb b/spec/functions/regexpescape_spec.rb
new file mode 100644
index 0000000..6efa847
--- /dev/null
+++ b/spec/functions/regexpescape_spec.rb
@@ -0,0 +1,36 @@
+require 'spec_helper'
+
+describe 'regexpescape' do
+  describe 'signature validation' do
+    it { is_expected.not_to eq(nil) }
+    it { is_expected.to run.with_params().and_raise_error(Puppet::ParseError, /wrong number of arguments/i) }
+    it {
+      pending("Current implementation ignores parameters after the first.")
+      is_expected.to run.with_params('', '').and_raise_error(Puppet::ParseError, /wrong number of arguments/i)
+    }
+    it { is_expected.to run.with_params(1).and_raise_error(Puppet::ParseError, /Requires either array or string to work/) }
+    it { is_expected.to run.with_params({}).and_raise_error(Puppet::ParseError, /Requires either array or string to work/) }
+    it { is_expected.to run.with_params(true).and_raise_error(Puppet::ParseError, /Requires either array or string to work/) }
+  end
+
+  describe 'handling normal strings' do
+    it 'should call ruby\'s Regexp.escape function' do
+      Regexp.expects(:escape).with('regexp_string').returns('escaped_regexp_string').once
+      is_expected.to run.with_params('regexp_string').and_return('escaped_regexp_string')
+    end
+  end
+
+  describe 'handling classes derived from String' do
+    it 'should call ruby\'s Regexp.escape function' do
+      regexp_string = AlsoString.new('regexp_string')
+      Regexp.expects(:escape).with(regexp_string).returns('escaped_regexp_string').once
+      is_expected.to run.with_params(regexp_string).and_return("escaped_regexp_string")
+    end
+  end
+
+  describe 'strings in arrays handling' do
+    it { is_expected.to run.with_params([]).and_return([]) }
+    it { is_expected.to run.with_params(['one*', "two"]).and_return(['one\*', "two"]) }
+    it { is_expected.to run.with_params(['one*', 1, true, {}, "two"]).and_return(['one\*', 1, true, {}, "two"]) }
+  end
+end