1 files changed, 33 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/spec/functions/validate_string_spec.rb b/code/environments/production/modules/stdlib/spec/functions/validate_string_spec.rb
new file mode 100644
index 0000000..4459f00
--- /dev/null
+++ b/code/environments/production/modules/stdlib/spec/functions/validate_string_spec.rb
@@ -0,0 +1,33 @@
+require 'spec_helper'
+
+describe 'validate_string' do
+  after(:each) do
+    ENV.delete('STDLIB_LOG_DEPRECATIONS')
+  end
+
+  # Checking for deprecation warning
+  it 'displays a single deprecation' do
+    ENV['STDLIB_LOG_DEPRECATIONS'] = 'true'
+    scope.expects(:warning).with(includes('This method is deprecated'))
+    is_expected.to run.with_params('', '')
+  end
+
+  describe 'signature validation' do
+    it { is_expected.not_to eq(nil) }
+    it { is_expected.to run.with_params.and_raise_error(Puppet::ParseError, %r{wrong number of arguments}i) }
+
+    describe 'valid inputs' do
+      it { is_expected.to run.with_params('') }
+      it { is_expected.to run.with_params(nil) }
+      it { is_expected.to run.with_params('one') }
+      it { is_expected.to run.with_params('one', 'two') }
+    end
+
+    describe 'invalid inputs' do
+      it { is_expected.to run.with_params([]).and_raise_error(Puppet::ParseError, %r{is not a string}) }
+      it { is_expected.to run.with_params({}).and_raise_error(Puppet::ParseError, %r{is not a string}) }
+      it { is_expected.to run.with_params(1).and_raise_error(Puppet::ParseError, %r{is not a string}) }
+      it { is_expected.to run.with_params(true).and_raise_error(Puppet::ParseError, %r{is not a string}) }
+    end
+  end
+end