diff --git a/test/lib/autoinstall/widgets/ask/check_box_test.rb b/test/lib/autoinstall/widgets/ask/check_box_test.rb
index 91ed70508..32847bb7f 100644
--- a/test/lib/autoinstall/widgets/ask/check_box_test.rb
+++ b/test/lib/autoinstall/widgets/ask/check_box_test.rb
@@ -20,6 +20,7 @@
 require_relative "../../../../test_helper"
 require "autoinstall/widgets/ask/check_box"
 require "autoinstall/ask/question"
+require "autoinstall/script"
 require "cwm/rspec"
 
 describe Y2Autoinstall::Widgets::Ask::CheckBox do
@@ -34,5 +35,70 @@
   include_examples "CWM::CheckBox"
   include_examples "ask dialog widget"
 
-  describe "#init"
+  describe "#init" do
+    before do
+      question.default = false
+    end
+
+    context "when the question has a value" do
+      before do
+        question.value = true
+      end
+
+      it "sets widget's value" do
+        expect(subject).to receive(:value=).with(true)
+        subject.init
+      end
+    end
+
+    context "when the question has not a value" do
+      context "and it has a default_value_script" do
+        let(:script) do
+          instance_double(
+            Y2Autoinstallation::AskDefaultValueScript,
+            create_script_file: nil, execute: result, stdout: stdout
+          )
+        end
+
+        let(:result) { true }
+        let(:stdout) { "true" }
+
+        before do
+          question.default_value_script = script
+        end
+
+        context "and the script returns 'true'" do
+          it "sets the value to true" do
+            expect(subject).to receive(:value=).with(true)
+            subject.init
+          end
+        end
+
+        context "and the script does not return 'true'" do
+          let(:stdout) { "no" }
+
+          it "sets the value to false" do
+            expect(subject).to receive(:value=).with(false)
+            subject.init
+          end
+        end
+
+        context "but the script fails" do
+          let(:result) { false }
+
+          it "uses the default value" do
+            expect(subject).to receive(:value=).with(question.default)
+            subject.init
+          end
+        end
+      end
+
+      context "and there is no default_value_script" do
+        it "uses the question default value as the widget's value" do
+          expect(subject).to receive(:value=).with(question.default)
+          subject.init
+        end
+      end
+    end
+  end
 end