1 files changed, 19 insertions, 1 deletions
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 29615cd..9b1fa6f 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,9 @@
+# frozen_string_literal: true
+
+RSpec.configure do |c|
+  c.mock_with :rspec
+end
+
 require 'puppetlabs_spec_helper/module_spec_helper'
 require 'rspec-puppet-facts'
 
@@ -31,16 +37,28 @@ default_facts.each do |fact, value|
 end
 
 RSpec.configure do |c|
-  c.mock_with :rspec
   c.default_facts = default_facts
   c.before :each do
     # set to strictest setting for testing
     # by default Puppet runs at warning level
     Puppet.settings[:strict] = :warning
+    Puppet.settings[:strict_variables] = true
   end
   c.filter_run_excluding(bolt: true) unless ENV['GEM_BOLT']
   c.after(:suite) do
   end
+
+  # Filter backtrace noise
+  backtrace_exclusion_patterns = [
+    %r{spec_helper},
+    %r{gems},
+  ]
+
+  if c.respond_to?(:backtrace_exclusion_patterns)
+    c.backtrace_exclusion_patterns = backtrace_exclusion_patterns
+  elsif c.respond_to?(:backtrace_clean_patterns)
+    c.backtrace_clean_patterns = backtrace_exclusion_patterns
+  end
 end
 
 # Ensures that a module is defined