=== EmailService Standalone Testing ===

Test 1: EmailService can be instantiated with null client
  ✓ EmailService instantiated with null client

Test 2: EmailService has required public methods
  ✓ send() method exists
  ✓ sendNotificationEmail() method exists
  ✓ sendLoginLinkEmail() method exists
  ✓ sendValidationEmail() method exists
  ✓ testConfiguration() method exists
  ✓ getConfiguration() method exists
  ✓ fromConfig() static method exists

Test 3: EmailService with null client returns graceful Result errors
  ✓ send() returns Result
  ✓ send() returns error when not configured
  ✓ send() returns error message

Test 4: EmailService sendNotificationEmail with null client
  ✓ sendNotificationEmail() returns Result
  ✓ sendNotificationEmail() returns error when not configured

Test 5: EmailService sendLoginLinkEmail with null client
  ✓ sendLoginLinkEmail() returns Result
  ✓ sendLoginLinkEmail() returns error when not configured

Test 6: EmailService sendValidationEmail with null client
  ✓ sendValidationEmail() returns Result
  ✓ sendValidationEmail() returns error when not configured

Test 7: EmailService testConfiguration with null client
  ✓ testConfiguration() returns Result
  ✓ testConfiguration() returns error when not configured

Test 8: EmailService getConfiguration with null client
  ✓ getConfiguration() returns Result
  ✓ getConfiguration() succeeds even when not configured
  ✓ Configuration has domain key
  ✓ Configuration has from_address key
  ✓ Configuration has api_key_set key
  ✓ api_key_set is false when not configured

Test 9: EmailService::fromConfig() with empty config
  ✓ fromConfig() returns EmailService instance

=== Summary ===
Passed: 26
Failed: 0