diff --git a/faker/faker_test.go b/faker/faker_test.go
new file mode 100644
index 0000000..3ad2826
--- /dev/null
+++ b/faker/faker_test.go
@@ -0,0 +1,25 @@
+package faker
+
+import (
+	"testing"
+)
+
+func TestIsValidFaker(t *testing.T) {
+	manager := NewFakeManager()
+
+	if !manager.IsValidFaker("") {
+		t.Fatalf("TestIsValidFaker: empty faker check failed")
+	}
+
+	if !manager.IsValidFaker("_") {
+		t.Fatalf("TestIsValidFaker: _ faker check failed")
+	}
+
+	if !manager.IsValidFaker("address") {
+		t.Fatalf("TestIsValidFaker: address faker check failed")
+	}
+
+	if manager.IsValidFaker("unknown_faker") {
+		t.Fatalf("TestIsValidFaker: unknown_faker faker check failed")
+	}
+}