reworked api interfaces

pkg/garth/client/auth_test.go

@@ -0,0 +1,36 @@
+package client
+
+import (
+	"testing"
+
+	credentials "github.com/sstent/go-garth/pkg/garth/auth/credentials"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestClient_Login_Functional(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping functional test in short mode")
+	}
+
+	// Load credentials from .env file
+	email, password, domain, err := credentials.LoadEnvCredentials()
+	require.NoError(t, err, "Failed to load credentials from .env file. Please ensure GARMIN_EMAIL, GARMIN_PASSWORD, and GARMIN_DOMAIN are set.")
+
+	// Create client
+	c, err := NewClient(domain)
+	require.NoError(t, err, "Failed to create client")
+
+	// Perform login
+	err = c.Login(email, password)
+	require.NoError(t, err, "Login failed")
+
+	// Verify login
+	assert.NotEmpty(t, c.AuthToken, "AuthToken should not be empty after login")
+	assert.NotEmpty(t, c.Username, "Username should not be empty after login")
+
+	// Logout for cleanup
+	err = c.Logout()
+	assert.NoError(t, err, "Logout failed")
+}