diff --git a/pkg/state/state_test.go b/pkg/state/state_test.go
new file mode 100644
index 0000000..c63ae59
--- /dev/null
+++ b/pkg/state/state_test.go
@@ -0,0 +1,56 @@
+package state
+
+import (
+	"main/pkg/constants"
+	fetchersPkg "main/pkg/fetchers"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestStateGetNoValue(t *testing.T) {
+	t.Parallel()
+
+	state := NewState()
+	value, found := state.Get(constants.FetcherNameCommission)
+	require.False(t, found)
+	require.Nil(t, value)
+}
+
+func TestStateConvertNoValue(t *testing.T) {
+	t.Parallel()
+
+	value, found := Convert[fetchersPkg.CommissionData](nil)
+	require.False(t, found)
+	require.Zero(t, value)
+}
+
+func TestStateConvertWrongType(t *testing.T) {
+	t.Parallel()
+
+	defer func() {
+		if r := recover(); r == nil {
+			require.Fail(t, "Expected to have a panic here!")
+		}
+	}()
+
+	Convert[int64]("string")
+}
+
+func TestStateConvertNilPointer(t *testing.T) {
+	t.Parallel()
+
+	var data *fetchersPkg.CommissionData
+
+	value, found := Convert[*fetchersPkg.CommissionData](data)
+	require.False(t, found)
+	require.Zero(t, value)
+}
+
+func TestStateConvertOk(t *testing.T) {
+	t.Parallel()
+
+	value, found := Convert[string]("string")
+	require.True(t, found)
+	require.Equal(t, "string", value)
+}