porting - part 12 done

garth/client/auth_test.go

@@ -0,0 +1,57 @@
+package client_test
+
+import (
+	"net/http"
+	"testing"
+
+	"garmin-connect/garth/testutils"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"garmin-connect/garth/client"
+	"garmin-connect/garth/errors"
+)
+
+func TestClient_Login_Success(t *testing.T) {
+	// Create mock SSO server
+	ssoServer := testutils.MockJSONResponse(http.StatusOK, `{
+		"access_token": "test_token",
+		"token_type": "Bearer",
+		"expires_in": 3600
+	}`)
+	defer ssoServer.Close()
+
+	// Create client with test configuration
+	c, err := client.NewClient("example.com")
+	require.NoError(t, err)
+	c.Domain = ssoServer.URL
+
+	// Perform login
+	err = c.Login("test@example.com", "password")
+
+	// Verify login
+	require.NoError(t, err)
+	assert.Equal(t, "Bearer test_token", c.AuthToken)
+}
+
+func TestClient_Login_Failure(t *testing.T) {
+	// Create mock SSO server returning error
+	ssoServer := testutils.MockJSONResponse(http.StatusUnauthorized, `{
+		"error": "invalid_credentials"
+	}`)
+	defer ssoServer.Close()
+
+	// Create client with test configuration
+	c, err := client.NewClient("example.com")
+	require.NoError(t, err)
+	c.Domain = ssoServer.URL
+
+	// Perform login
+	err = c.Login("test@example.com", "wrongpassword")
+
+	// Verify error
+	require.Error(t, err)
+	assert.IsType(t, &errors.AuthenticationError{}, err)
+	assert.Contains(t, err.Error(), "SSO login failed")
+}