Nothing
java_home <- Sys.getenv("JAVA_HOME", unset = NA)
jdbc_url <- Sys.getenv("IMPLYR_TEST_JDBC", unset = NA)
jdbc_host <- Sys.getenv("IMPLYR_TEST_HOST", unset = NA)
jdbc_port <- Sys.getenv("IMPLYR_TEST_PORT", unset = NA)
jdbc_user <- Sys.getenv("IMPLYR_TEST_USER", unset = NA)
jdbc_pass <- Sys.getenv("IMPLYR_TEST_PASS", unset = NA)
if (!is.na(java_home) & !is.na(jdbc_url) & !is.na(jdbc_host) &
!is.na(jdbc_port) & !is.na(jdbc_user) & !is.na(jdbc_pass)) {
run_tests <- TRUE
} else {
run_tests <- FALSE
}
check_impala <- function() {
if (!run_tests) {
skip("This environment is not configured to run implyr tests")
}
}
skip_on_travis <- function() {
if (identical(Sys.getenv("TRAVIS"), "true")) {
skip("Skipping test on Travis CI")
}
}
skip_for_codecov <- function() {
if (identical(Sys.getenv("R_COVR"), "true")) {
skip("Skipping for on Codecov")
}
}
column_type <- function(x) {
if (ncol(x) > 1) {
stop("Argument to function column_type() must have only one column")
}
x %>%
select(test_column = 1) %>%
transmute(datatype = typeof(test_column)) %>%
head(1) %>%
pull() %>%
tolower()
}
eval_tbls <- function (tbls, op)
{
# adapted from dplyr::eval_tbls
lapply(tbls, function(x) as.data.frame(op(x)))
}
eval_tbls2 <- function(tbls_x, tbls_y, op)
{
# adapted from dplyr::eval_tbls2
Map(function(x, y) as.data.frame(op(x, y)), tbls_x, tbls_y)
}
expect_equal_tbls <- function (results, ref = NULL, ...)
{
# adapted from dplyr::expect_equal_tbls
if (length(results) < 2 && is.null(ref)) {
skip("Need at least two srcs to compare")
}
if (is.null(ref)) {
ref <- results[[1]]
ref_name <- names(results)[1]
rest <- results[-1]
}
else {
rest <- results
ref_name <- "supplied comparison"
}
for (i in seq_along(rest)) {
ok <- all.equal(ref, rest[[i]], ...)
msg <- paste0(names(rest)[[i]], " not equal to ", ref_name,
"\n", ok)
expect_true(ok, info = msg)
}
invisible(TRUE)
}
compare <- all.equal
compare_tbls <- function (tbls, op, ref = NULL, ...)
{
# adapted from dplyr::compare_tbls
results <- eval_tbls(tbls, op)
expect_equal_tbls(results, ...)
}
compare_tbls2 <- function (tbls_x, tbls_y, op, ref = NULL, compare = compare, ...)
{
# adapted from dplyr::compare_tbls2
results <- eval_tbls2(tbls_x, tbls_y, op)
expect_equal_tbls(results, ...)
}
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