diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 000000000..24525e4d9
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,28 @@
+name: Lint
+on: [push]
+jobs:
+  rubocop:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.6
+      - run: bundle install --jobs=$(nproc) --retry=$(nproc)
+      - run: bin/rubocop -P
+
+  reek:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.6
+      - run: bundle install --jobs=$(nproc) --retry=$(nproc)
+      - run: bin/reek .
diff --git a/.github/workflows/rspec.yml b/.github/workflows/rspec.yml
new file mode 100644
index 000000000..44fb37eb0
--- /dev/null
+++ b/.github/workflows/rspec.yml
@@ -0,0 +1,29 @@
+name: RSpec
+on: [push]
+jobs:
+  tests:
+    env:
+      COV: false
+
+    services:
+      redis:
+        image: redis:latest
+        ports:
+          - 6379:6379
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: true
+      matrix:
+        # ruby: [2.5, 2.6, 2.7, jruby, truffleruby]
+        ruby: [2.5, 2.6, 2.7]
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - run: bundle install --jobs=$(nproc) --retry=$(nproc)
+      - run: bundle exec appraisal install  --jobs=$(nproc) --retry=$(nproc)
+      - run: bundle exec appraisal rspec --require spec_helper --tag ~perf
diff --git a/lib/sidekiq_unique_jobs/config.rb b/lib/sidekiq_unique_jobs/config.rb
index 67f07c54e..c16993b80 100644
--- a/lib/sidekiq_unique_jobs/config.rb
+++ b/lib/sidekiq_unique_jobs/config.rb
@@ -185,25 +185,29 @@ def self.default # rubocop:disable Metrics/MethodLength
     end
 
     def default_lock_ttl=(obj)
-      warn "[DEPRECATION] `#{self.class}##{__method__}` is deprecated. Please use `#{self.class}#lock_ttl=` instead."
+      warn "[DEPRECATION] `#{class_name}##{__method__}` is deprecated. Please use `#{class_name}#lock_ttl=` instead."
       self.lock_ttl = obj
     end
 
     def default_lock_timeout=(obj)
-      warn "[DEPRECATION] `#{self.class}##{__method__}` is deprecated. Please use `#{self.class}#lock_timeout=` instead."
+      warn "[DEPRECATION] `#{class_name}##{__method__}` is deprecated. Please use `#{class_name}#lock_timeout=` instead."
       self.lock_timeout = obj
     end
 
     def default_lock_ttl
-      warn "[DEPRECATION] `#{self.class}##{__method__}` is deprecated. Please use `#{self.class}#lock_ttl` instead."
+      warn "[DEPRECATION] `#{class_name}##{__method__}` is deprecated. Please use `#{class_name}#lock_ttl` instead."
       lock_ttl
     end
 
     def default_lock_timeout
-      warn "[DEPRECATION] `#{self.class}##{__method__}` is deprecated. Please use `#{self.class}#lock_timeout` instead."
+      warn "[DEPRECATION] `#{class_name}##{__method__}` is deprecated. Please use `#{class_name}#lock_timeout` instead."
       lock_timeout
     end
 
+    def class_name
+      @class_name ||= self.class.name
+    end
+
     #
     # Adds a lock type to the configuration. It will raise if the lock exists already
     #
diff --git a/lib/sidekiq_unique_jobs/core_ext.rb b/lib/sidekiq_unique_jobs/core_ext.rb
index f192dbc24..ca0e3d6e3 100644
--- a/lib/sidekiq_unique_jobs/core_ext.rb
+++ b/lib/sidekiq_unique_jobs/core_ext.rb
@@ -102,7 +102,7 @@ def _deep_transform_keys_in_object(object, &block)
           result[yield(key)] = _deep_transform_keys_in_object(value, &block)
         end
       when Array
-        object.map { |e| _deep_transform_keys_in_object(e, &block) }
+        object.map { |element| _deep_transform_keys_in_object(element, &block) }
       else
         object
       end