xgboost/R-package/tests/testthat/test_parameter_exposure.R

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870 B
R

context('Test model params and call are exposed to R')
require(xgboost)
data(agaricus.train, package='xgboost')
data(agaricus.test, package='xgboost')
dtrain <- xgb.DMatrix(agaricus.train$data, label = agaricus.train$label)
dtest <- xgb.DMatrix(agaricus.test$data, label = agaricus.test$label)
bst <- xgboost(data = dtrain,
max.depth = 2,
eta = 1,
nround = 10,
nthread = 1,
verbose = 0,
objective = "binary:logistic")
test_that("call is exposed to R", {
model_call <- attr(bst, "call")
expect_is(model_call, "call")
})
test_that("params is exposed to R", {
model_params <- attr(bst, "params")
expect_is(model_params, "list")
expect_equal(model_params$eta, 1)
expect_equal(model_params$max.depth, 2)
expect_equal(model_params$objective, "binary:logistic")
})