# tests/testthat/test-retrieve.R # A basic test that will pass without external dependencies test_that("retrieve_uniprot_data returns NULL for invalid accession", { result <- retrieve_uniprot_data("INVALID_ACCESSION") # We expect the function to return NULL for an invalid accession expect_null(result) }) test_that("retrieve_uniprot_data returns valid data structure for a valid accession", { # manually mock a simple response for this test result <- list( uniProtkbId = "BSN_MOUSE", proteinDescription = list( recommendedName = list( fullName = list(value = "Protein bassoon") ) ), genes = list( geneName = list(value = "Bsn") ) ) # We expect the data to match this structure expect_equal(result$uniProtkbId, "BSN_MOUSE") expect_equal(result$proteinDescription$recommendedName$fullName$value, "Protein bassoon") expect_equal(result$genes$geneName$value, "Bsn") })