diff --git a/main_test.go b/main_test.go
new file mode 100644
index 0000000..005a2ae
--- /dev/null
+++ b/main_test.go
@@ -0,0 +1,48 @@
+package main //nolint:testpackage
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestNewTarget(t *testing.T) {
+	require := require.New(t)
+	t.Parallel()
+
+	tables := []struct {
+		name     string
+		t        string
+		expected Target
+		err      error
+	}{
+		{
+			"001",
+			"foobar.tld",
+			Target{"foobar.tld", 5201},
+			nil,
+		},
+		{
+			"002",
+			"foobar.tld:1234",
+			Target{"foobar.tld", 1234},
+			nil,
+		},
+		{
+			"003",
+			"foobar:foobar:foobar",
+			Target{},
+			ErrCouldNotDetermineTarget,
+		},
+	}
+
+	for _, table := range tables {
+		table := table
+		t.Run(table.name, func(t *testing.T) {
+			t.Parallel()
+			trgt, err := NewTarget(table.t)
+			require.ErrorIs(err, table.err)
+			require.Equal(table.expected, trgt)
+		})
+	}
+}