1 files changed, 35 insertions, 0 deletions
diff --git a/spec/lib/gitlab/utils_spec.rb b/spec/lib/gitlab/utils_spec.rb
new file mode 100644
index 00000000000..d5d87310874
--- /dev/null
+++ b/spec/lib/gitlab/utils_spec.rb
@@ -0,0 +1,35 @@
+describe Gitlab::Utils, lib: true do
+  def to_boolean(value)
+    described_class.to_boolean(value)
+  end
+
+  describe '.to_boolean' do
+    it 'accepts booleans' do
+      expect(to_boolean(true)).to be(true)
+      expect(to_boolean(false)).to be(false)
+    end
+
+    it 'converts a valid string to a boolean' do
+      expect(to_boolean(true)).to be(true)
+      expect(to_boolean('true')).to be(true)
+      expect(to_boolean('YeS')).to be(true)
+      expect(to_boolean('t')).to be(true)
+      expect(to_boolean('1')).to be(true)
+      expect(to_boolean('ON')).to be(true)
+
+      expect(to_boolean('FaLse')).to be(false)
+      expect(to_boolean('F')).to be(false)
+      expect(to_boolean('NO')).to be(false)
+      expect(to_boolean('n')).to be(false)
+      expect(to_boolean('0')).to be(false)
+      expect(to_boolean('oFF')).to be(false)
+    end
+
+    it 'converts an invalid string to nil' do
+      expect(to_boolean('fals')).to be_nil
+      expect(to_boolean('yeah')).to be_nil
+      expect(to_boolean('')).to be_nil
+      expect(to_boolean(nil)).to be_nil
+    end
+  end
+end