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run_tests <- function(ctx, tests, skip, run_only, test_suite) {
tests_sym <- enexpr(tests)
stopifnot(is_symbol(tests_sym))
tests_qual <- call2(":::", sym("DBItest"), tests_sym)
"!DEBUG run_tests(`test_suite`)"
if (is.null(ctx)) {
stop("Need to call make_context() to use the test_...() functions.", call. = FALSE)
}
if (!inherits(ctx, "DBItest_context")) {
stop("ctx must be a DBItest_context object created by make_context().", call. = FALSE)
}
test_context <- paste0(
"DBItest", if (!is.null(ctx$name)) paste0("[", ctx$name, "]"),
": ", test_suite
)
tests <- compact(tests)
tests <- get_run_only_tests(tests, run_only)
if (is.null(skip)) {
skip <- ctx$default_skip
}
test_names <- names(tests)
skipped <- get_skip_names(skip)
skip_flag <- names(tests) %in% skipped
if (length(tests) > 0) {
global_con <- local_connection(ctx)
}
ok <- vapply(
seq_along(tests),
function(test_idx) {
test_name <- test_names[[test_idx]]
if (skip_flag[[test_idx]]) {
FALSE
} else {
test_fun <- tests[[test_idx]]
fmls <- formals(test_fun)
test_that(paste0(test_context, ": ", test_name), {
args <- list()
if ("ctx" %in% names(fmls)) {
args <- c(args, list(ctx = expr(ctx)))
}
if ("con" %in% names(fmls)) {
args <- c(args, list(con = expr(global_con)))
}
if ("local_con" %in% names(fmls)) {
local_con <- local_connection(ctx)
args <- c(args, list(local_con = expr(local_con)))
}
if ("closed_con" %in% names(fmls)) {
closed_con <- local_closed_connection(ctx)
args <- c(args, list(closed_con = expr(closed_con)))
}
if ("invalid_con" %in% names(fmls)) {
invalid_con <- local_invalid_connection(ctx)
args <- c(args, list(invalid_con = expr(invalid_con)))
}
if ("table_name" %in% names(fmls)) {
if (is_missing(fmls$table_name)) {
table_name <- random_table_name()
} else {
table_name <- fmls$table_name
}
local_remove_test_table(global_con, table_name)
args <- c(args, list(table_name = table_name))
}
# Example of generated expression:
# DBItest:::spec_arrow$arrow_append_table_arrow_roundtrip_64_bit_roundtrip(...)
test_fun_expr <- expr(`$`(!!tests_qual, !!test_name)(!!!args))
expect_warning(
eval(test_fun_expr), NA
)
})
}
},
logical(1L)
)
if (any(skip_flag)) {
test_that(paste0(test_context, ": skipped tests"), {
skip(paste0("DBItest::run_tests(): by request: ", paste(names(tests)[skip_flag], collapse = ", ")))
})
}
# to isolate test topics
gc()
ok
}
get_skip_names <- function(skip) {
if (length(skip) == 0L) {
return(character())
}
names_all <- names(spec_all)
names_all <- names_all[names_all != ""]
skip_flags_all <- map(paste0("(?:^(?:", skip, ")(?:|_[0-9]+)$)"), grepl, names_all, perl = TRUE)
skip_used <- map_lgl(skip_flags_all, any)
if (!all(skip_used)) {
warning("Unused skip expressions: ", paste(skip[!skip_used], collapse = ", "),
call. = FALSE
)
}
skip_flag_all <- Reduce(`|`, skip_flags_all)
skip_tests <- names_all[skip_flag_all]
skip_tests
}
get_run_only_tests <- function(tests, run_only) {
names_all <- names(tests)
names_all <- names_all[names_all != ""]
if (is.null(run_only)) {
return(tests)
}
run_only_flags_all <- map(paste0("(?:^(?:", run_only, ")$)"), grepl, names_all, perl = TRUE)
run_only_flag_all <- Reduce(`|`, run_only_flags_all)
run_only_tests <- names_all[run_only_flag_all]
tests[run_only_tests]
}
|
