diff --git a/.puppet-lint.rc b/.puppet-lint.rc
index cc96ece..8b13789 100644
--- a/.puppet-lint.rc
+++ b/.puppet-lint.rc
@@ -1 +1 @@
---relative
+
diff --git a/.sync.yml b/.sync.yml
index 07ec160..0bfcbe2 100644
--- a/.sync.yml
+++ b/.sync.yml
@@ -1,4 +1,7 @@
 ---
+.gitlab-ci.yml:
+  unmanaged: true
+
 .travis.yml:
   docker_sets:
     - set: docker/centos-7
@@ -9,6 +12,9 @@
   branches:
     - release
 
+appveyor.yml:
+  delete: true
+
 Gemfile:
   optional:
     ':development':
@@ -26,8 +32,6 @@ Gemfile:
           - mingw
           - x64_mingw
 
-appveyor.yml:
-  delete: true
-
-.gitlab-ci.yml:
-  unmanaged: true
+spec/spec_helper.rb:
+  mock_with: ':rspec'
+  coverage_report: true
diff --git a/metadata.json b/metadata.json
index 1c55936..edc0d24 100644
--- a/metadata.json
+++ b/metadata.json
@@ -79,5 +79,5 @@
   ],
   "template-url": "https://github.com/puppetlabs/pdk-templates/",
   "template-ref": "1.9.0-0-g7281db5",
-  "pdk-version": "1.9.0"
-}
\ No newline at end of file
+  "pdk-version": "1.7.1"
+}
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 0d5efc0..149ff03 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,7 @@
+RSpec.configure do |c|
+  c.mock_with :rspec
+end
+
 require 'puppetlabs_spec_helper/module_spec_helper'
 require 'rspec-puppet-facts'
 
@@ -34,6 +38,7 @@ RSpec.configure do |c|
   end
   c.filter_run_excluding(bolt: true) unless ENV['GEM_BOLT']
   c.after(:suite) do
+    RSpec::Puppet::Coverage.report!(0)
   end
 end
 
diff --git a/spec/spec_helper_local.rb b/spec/spec_helper_local.rb
new file mode 100644
index 0000000..2e897cb
--- /dev/null
+++ b/spec/spec_helper_local.rb
@@ -0,0 +1,28 @@
+if ENV['COVERAGE'] == 'yes'
+  require 'simplecov'
+  require 'simplecov-console'
+  require 'codecov'
+
+  SimpleCov.formatters = [
+    SimpleCov::Formatter::HTMLFormatter,
+    SimpleCov::Formatter::Console,
+    SimpleCov::Formatter::Codecov,
+  ]
+  SimpleCov.start do
+    track_files 'lib/**/*.rb'
+
+    add_filter '/spec'
+
+    # do not track vendored files
+    add_filter '/vendor'
+    add_filter '/.vendor'
+
+    # do not track gitignored files
+    # this adds about 4 seconds to the coverage check
+    # this could definitely be optimized
+    add_filter do |f|
+      # system returns true if exit status is 0, which with git-check-ignore means file is ignored
+      system("git check-ignore --quiet #{f.filename}")
+    end
+  end
+end
diff --git a/spec/unit/facter/java_default_home_spec.rb b/spec/unit/facter/java_default_home_spec.rb
index a5909c3..4d2accf 100644
--- a/spec/unit/facter/java_default_home_spec.rb
+++ b/spec/unit/facter/java_default_home_spec.rb
@@ -15,15 +15,15 @@ end
 
 def symlink_and_test(symlink_path, java_home)
   File.symlink(symlink_path, './java_test')
-  Facter::Util::Resolution.expects(:which).with('java').returns('./java_test')
-  File.expects(:realpath).with('./java_test').returns(symlink_path)
+  expect(Facter::Util::Resolution).to receive(:which).with('java').and_return('./java_test')
+  expect(File).to receive(:realpath).with('./java_test').and_return(symlink_path)
   expect(Facter.value(:java_default_home)).to eql java_home
 end
 
 describe 'java_default_home' do
   before(:each) do
     Facter.clear
-    Facter.fact(:kernel).stubs(:value).returns('Linux')
+    allow(Facter.fact(:kernel)).to receive(:value).once.and_return('Linux')
   end
 
   context 'when java found in PATH' do
@@ -46,8 +46,8 @@ describe 'java_default_home' do
 
   context 'when java not present, return nil' do
     it do
-      Facter::Util::Resolution.stubs(:exec)
-      Facter::Util::Resolution.expects(:which).with('java').at_least(1).returns(false)
+      allow(Facter::Util::Resolution).to receive(:exec) # Catch all other calls
+      expect(Facter::Util::Resolution).to receive(:which).with('java').at_least(1).and_return(false)
       expect(Facter.value(:java_default_home)).to be_nil
     end
   end
diff --git a/spec/unit/facter/java_libjvm_path_spec.rb b/spec/unit/facter/java_libjvm_path_spec.rb
index 64dcb18..df2ea28 100644
--- a/spec/unit/facter/java_libjvm_path_spec.rb
+++ b/spec/unit/facter/java_libjvm_path_spec.rb
@@ -3,10 +3,10 @@ require 'spec_helper'
 describe 'java_libjvm_path' do
   before(:each) do
     Facter.clear
-    Facter.fact(:kernel).stubs(:value).returns('Linux')
+    allow(Facter.fact(:kernel)).to receive(:value).once.and_return('Linux')
     java_default_home = '/usr/lib/jvm/java-8-openjdk-amd64'
-    Facter.fact(:java_default_home).stubs(:value).returns(java_default_home)
-    Dir.stubs(:glob).with("#{java_default_home}/jre/lib/**/libjvm.so").returns(['/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/libjvm.so'])
+    allow(Facter.fact(:java_default_home)).to receive(:value).once.and_return(java_default_home)
+    allow(Dir).to receive(:glob).with("#{java_default_home}/jre/lib/**/libjvm.so").and_return(['/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/libjvm.so'])
   end
 
   context 'when on Linux, return libjvm path' do
diff --git a/spec/unit/facter/java_major_version_spec.rb b/spec/unit/facter/java_major_version_spec.rb
index b6a3a87..b9ead12 100644
--- a/spec/unit/facter/java_major_version_spec.rb
+++ b/spec/unit/facter/java_major_version_spec.rb
@@ -7,7 +7,7 @@ describe 'java_major_version' do
 
   context 'when java_version fact present, returns major version' do
     before :each do
-      Facter.fact(:java_version).stubs(:value).returns('1.7.0_71')
+      allow(Facter.fact(:java_version)).to receive(:value).and_return('1.7.0_71')
     end
     it do
       expect(Facter.fact(:java_major_version).value).to eq('7')
@@ -16,7 +16,7 @@ describe 'java_major_version' do
 
   context 'when java not present, returns nil' do
     before :each do
-      Facter.fact(:java_version).stubs(:value).returns(nil)
+      allow(Facter.fact(:java_version)).to receive(:value).and_return('nil')
     end
     it do
       expect(Facter.fact(:java_major_version).value).to be_nil
diff --git a/spec/unit/facter/java_patch_level_spec.rb b/spec/unit/facter/java_patch_level_spec.rb
index 27b380a..4287b29 100644
--- a/spec/unit/facter/java_patch_level_spec.rb
+++ b/spec/unit/facter/java_patch_level_spec.rb
@@ -7,7 +7,7 @@ describe 'java_patch_level' do
 
   context 'when java is installed returns java patch version extracted from java_version fact' do
     before :each do
-      Facter.fact(:java_version).stubs(:value).returns('1.7.0_71')
+      allow(Facter.fact(:java_version)).to receive(:value).and_return('1.7.0_71')
     end
     it do
       expect(Facter.fact(:java_patch_level).value).to eq('71')
@@ -16,7 +16,7 @@ describe 'java_patch_level' do
 
   context 'when java is not installed returns nil' do
     before :each do
-      Facter.fact(:java_version).stubs(:value).returns(nil)
+      allow(Facter.fact(:java_version)).to receive(:value).and_return('nil')
     end
     it do
       expect(Facter.fact(:java_patch_level).value).to be_nil
diff --git a/spec/unit/facter/java_version_spec.rb b/spec/unit/facter/java_version_spec.rb
index 029b840..20f4f52 100644
--- a/spec/unit/facter/java_version_spec.rb
+++ b/spec/unit/facter/java_version_spec.rb
@@ -18,37 +18,37 @@ describe 'java_version' do
   context 'when java present, returns java version' do
     context 'on OpenBSD', with_env: true do
       before(:each) do
-        Facter.fact(:operatingsystem).stubs(:value).returns('OpenBSD')
+        allow(Facter.fact(:operatingsystem)).to receive(:value).and_return('OpenBSD')
       end
       let(:facts) { { operatingsystem: 'OpenBSD' } }
 
       it do
-        Facter::Util::Resolution.expects(:which).with('java').returns('/usr/local/jdk-1.7.0/jre/bin/java')
-        Facter::Util::Resolution.expects(:exec).with('java -Xmx12m -version 2>&1').returns(openjdk_7_output)
+        expect(Facter::Util::Resolution).to receive(:which).with('java').and_return('/usr/local/jdk-1.7.0/jre/bin/java')
+        expect(Facter::Util::Resolution).to receive(:exec).with('java -Xmx12m -version 2>&1').and_return(openjdk_7_output)
         expect(Facter.value(:java_version)).to eq('1.7.0_71')
       end
     end
     context 'when on Darwin' do
       before(:each) do
-        Facter.fact(:operatingsystem).stubs(:value).returns('Darwin')
+        allow(Facter.fact(:operatingsystem)).to receive(:value).and_return('Darwin')
       end
       let(:facts) { { operatingsystem: 'Darwin' } }
 
       it do
-        Facter::Util::Resolution.expects(:exec).with('/usr/libexec/java_home --failfast 2>&1').returns('/Library/Java/JavaVirtualMachines/jdk1.7.0_71.jdk/Contents/Home')
-        Facter::Util::Resolution.expects(:exec).with('java -Xmx12m -version 2>&1').returns(jdk_7_hotspot_output)
+        expect(Facter::Util::Resolution).to receive(:exec).with('/usr/libexec/java_home --failfast 2>&1').and_return('/Library/Java/JavaVirtualMachines/jdk1.7.0_71.jdk/Contents/Home')
+        expect(Facter::Util::Resolution).to receive(:exec).with('java -Xmx12m -version 2>&1').and_return(jdk_7_hotspot_output)
         expect(Facter.value(:java_version)).to eql '1.7.0_71'
       end
     end
     context 'when on other systems' do
       before(:each) do
-        Facter.fact(:operatingsystem).stubs(:value).returns('MyOS')
+        allow(Facter.fact(:operatingsystem)).to receive(:value).and_return('MyOS')
       end
       let(:facts) { { operatingsystem: 'MyOS' } }
 
       it do
-        Facter::Util::Resolution.expects(:which).with('java').returns('/path/to/java')
-        Facter::Util::Resolution.expects(:exec).with('java -Xmx12m -version 2>&1').returns(jdk_7_hotspot_output)
+        expect(Facter::Util::Resolution).to receive(:which).with('java').and_return('/path/to/java')
+        expect(Facter::Util::Resolution).to receive(:exec).with('java -Xmx12m -version 2>&1').and_return(jdk_7_hotspot_output)
         expect(Facter.value(:java_version)).to eq('1.7.0_71')
       end
     end
@@ -57,34 +57,34 @@ describe 'java_version' do
   context 'when java not present, returns nil' do
     context 'on OpenBSD', with_env: true do
       before(:each) do
-        Facter.fact(:operatingsystem).stubs(:value).returns('OpenBSD')
+        allow(Facter.fact(:operatingsystem)).to receive(:value).and_return('OpenBSD')
       end
       let(:facts) { { operatingsystem: 'OpenBSD' } }
 
       it do
-        Facter::Util::Resolution.stubs(:exec)
+        allow(Facter::Util::Resolution).to receive(:exec) # Catch all other calls
         expect(Facter.value(:java_version)).to be_nil
       end
     end
     context 'when on Darwin' do
       before(:each) do
-        Facter.fact(:operatingsystem).stubs(:value).returns('Darwin')
+        allow(Facter.fact(:operatingsystem)).to receive(:value).and_return('Darwin')
       end
       let(:facts) { { operatingsystem: 'Darwin' } }
 
       it do
-        Facter::Util::Resolution.expects(:exec).at_least(1).with('/usr/libexec/java_home --failfast 2>&1').returns('Unable to find any JVMs matching version "(null)".')
+        expect(Facter::Util::Resolution).to receive(:exec).with('/usr/libexec/java_home --failfast 2>&1').at_least(1).and_return('Unable to find any JVMs matching version "(null)".')
         expect(Facter.value(:java_version)).to be_nil
       end
     end
     context 'when on other systems' do
       before(:each) do
-        Facter.fact(:operatingsystem).stubs(:value).returns('MyOS')
+        allow(Facter.fact(:operatingsystem)).to receive(:value).and_return('MyOS')
       end
       let(:facts) { { operatingsystem: 'MyOS' } }
 
       it do
-        Facter::Util::Resolution.expects(:which).at_least(1).with('java').returns(false)
+        expect(Facter::Util::Resolution).to receive(:which).at_least(1).with('java').and_return(false)
         expect(Facter.value(:java_version)).to be_nil
       end
     end