diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6aa334d..d9f808f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,6 +31,5 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-# No tests yet
-#      - name: Run tests
-#        run: bundle exec rake
+      - name: Run tests
+        run: bundle exec rake
diff --git a/Gemfile b/Gemfile
index c8c3ea0..d61d928 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source "https://rubygems.org"
 gem 'sinatra'
 gem 'passenger'
 gem 'rest-client'
-gem 'cqm-reports', '4.1.1'
+gem 'cqm-reports', '4.1.2'
 gem 'rackup', '~> 2.1'
 gem 'rack-contrib', '~> 2.5', '>= 2.5.0'
 gem 'jwt'
diff --git a/Gemfile.lock b/Gemfile.lock
index 46fcf06..5df8807 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,10 +22,10 @@ GEM
       tzinfo (~> 2.0)
     base64 (0.2.0)
     bigdecimal (3.1.8)
-    bson (5.0.0)
-    concurrent-ruby (1.3.3)
+    bson (5.0.1)
+    concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
-    cqm-reports (4.1.1)
+    cqm-reports (4.1.2)
       cqm-models (~> 4.0)
       cqm-validators (~> 4.0)
       erubis (~> 2.7)
@@ -57,31 +57,30 @@ GEM
     mime-types-data (3.2024.0206)
     mini_portile2 (2.8.7)
     minitest (5.22.2)
-    mongo (2.20.0)
+    mongo (2.20.1)
       bson (>= 4.14.1, < 6.0.0)
-    mongoid (8.1.5)
+    mongoid (9.0.1)
       activemodel (>= 5.1, < 7.2, != 7.0.0)
       concurrent-ruby (>= 1.0.5, < 2.0)
       mongo (>= 2.18.0, < 3.0.0)
-      ruby2_keywords (~> 0.0.5)
-    mongoid-tree (2.2.0)
-      mongoid (>= 4.0, < 9)
+    mongoid-tree (2.3.0)
+      mongoid (>= 4.0, < 10)
     mustache (1.1.1)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
     mutex_m (0.2.0)
     netrc (0.11.0)
-    nokogiri (1.16.6)
+    nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.16.6-arm64-darwin)
+    nokogiri (1.16.7-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.6-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     passenger (6.0.20)
       rack
       rake (>= 0.8.1)
-    racc (1.8.0)
+    racc (1.8.1)
     rack (3.1.4)
     rack-contrib (2.5.0)
       rack (< 4)
@@ -126,7 +125,7 @@ PLATFORMS
 
 DEPENDENCIES
   cqm-models!
-  cqm-reports (= 4.1.1)
+  cqm-reports (= 4.1.2)
   jwt
   minitest
   passenger
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..06d32d3
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,5 @@
+task default: %w[test]
+
+task :test do
+  ruby "test/service/web_controller_test.rb"
+end
\ No newline at end of file
diff --git a/service/web_controller.rb b/service/web_controller.rb
index 6758717..096c76c 100644
--- a/service/web_controller.rb
+++ b/service/web_controller.rb
@@ -71,7 +71,10 @@ def as_json(*args)
   measure_dto = request.params # Uses the Rack::JSONBodyParser middleware
 
   # Prepare CQM Measure
-  madie_measure = JSON.parse(measure_dto["measure"],max_nesting: 512)
+  if measure_dto["measure"].nil?
+    return [400, "Measure is empty."]
+  end
+  madie_measure = JSON.parse(measure_dto["measure"], max_nesting: 512)
   measure = CQM::Measure.new(madie_measure) unless measure_dto["measure"].nil?
   if measure.nil?
     return [400, "Measure is empty."]