Initial commit

README.md

@@ -138,4 +138,4 @@ motp is open-source software released under the MIT License. You can find a copy
 
 # Author
 
-JetTest was created by [itpey](https://github.com/itpey)
+motp was created by [itpey](https://github.com/itpey)

go.mod

@@ -1,6 +1,6 @@
 module github.com/itpey/motp
 
-go 1.22.0
+go 1.21.10
 
 require github.com/urfave/cli/v2 v2.27.2
 

motp_test.go

@@ -0,0 +1,132 @@
+package motp
+
+import (
+	"testing"
+)
+
+func TestNewMOTPDefaultValues(t *testing.T) {
+	secret := "testsecret"
+	pin := "1234"
+
+	motp, err := New(secret, pin)
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+
+	if motp.secret != secret {
+		t.Errorf("Expected secret: %s, got: %s", secret, motp.secret)
+	}
+
+	if motp.pin != pin {
+		t.Errorf("Expected pin: %s, got: %s", pin, motp.pin)
+	}
+
+	if motp.period != 10 {
+		t.Errorf("Expected period: %d, got: %d", 10, motp.period)
+	}
+
+	if motp.digits != 6 {
+		t.Errorf("Expected digits: %d, got: %d", 6, motp.digits)
+	}
+}
+
+func TestNewMOTPWithCustomValues(t *testing.T) {
+	secret := "testsecret"
+	pin := "1234"
+	period := uint(30)
+	digits := uint(8)
+
+	motp, err := New(secret, pin, WithPeriod(period), WithDigits(digits))
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+
+	if motp.period != period {
+		t.Errorf("Expected period: %d, got: %d", period, motp.period)
+	}
+
+	if motp.digits != digits {
+		t.Errorf("Expected digits: %d, got: %d", digits, motp.digits)
+	}
+}
+
+func TestNewMOTPWithInvalidPeriod(t *testing.T) {
+	secret := "testsecret"
+	pin := "1234"
+	period := uint(0)
+
+	_, err := New(secret, pin, WithPeriod(period))
+	if err == nil {
+		t.Fatalf("Expected error for invalid period, got none")
+	}
+}
+
+func TestNewMOTPWithInvalidDigits(t *testing.T) {
+	secret := "testsecret"
+	pin := "1234"
+	digits := uint(0)
+
+	_, err := New(secret, pin, WithDigits(digits))
+	if err == nil {
+		t.Fatalf("Expected error for invalid digits, got none")
+	}
+}
+
+func TestGenerateOTP(t *testing.T) {
+	secret := "testsecret"
+	pin := "1234"
+	period := uint(10)
+	digits := uint(6)
+	unixSeconds := int64(1625097600)
+
+	motp, err := New(secret, pin, WithPeriod(period), WithDigits(digits))
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+
+	otp, err := motp.Generate(unixSeconds)
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+
+	expectedLength := int(digits)
+	if len(otp) != expectedLength {
+		t.Errorf("Expected OTP length: %d, got: %d", expectedLength, len(otp))
+	}
+}
+
+func TestGenerateCurrentOTP(t *testing.T) {
+	secret := "testsecret"
+	pin := "1234"
+
+	motp, err := New(secret, pin)
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+
+	otp, err := motp.GenerateCurrent()
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+
+	expectedLength := int(motp.digits)
+	if len(otp) != expectedLength {
+		t.Errorf("Expected OTP length: %d, got: %d", expectedLength, len(otp))
+	}
+}
+
+func TestGenerateOTPWithNegativeUnixSeconds(t *testing.T) {
+	secret := "testsecret"
+	pin := "1234"
+	unixSeconds := int64(-1)
+
+	motp, err := New(secret, pin)
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+
+	_, err = motp.Generate(unixSeconds)
+	if err == nil {
+		t.Fatalf("Expected error for negative unixSeconds, got none")
+	}
+}