copernicus_test: Test Copernicus integration
Description
Performs a small test download to validate that the whole system works.
Uses stored credentials if available. Downloads to tempdir().
Usage
copernicus_test(username = NULL, password = NULL)
Value
TRUE if the test was successful.
Arguments
- username
Copernicus Marine username (optional). Will try to get from stored credentials first.
- password
Copernicus Marine password (optional). Will try to get from stored credentials first.