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+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+skip_if_not_available("dataset")
+
+library(dplyr, warn.conflicts = FALSE)
+
+left <- example_data
+left$some_grouping <- rep(c(1, 2), 5)
+
+left_tab <- Table$create(left)
+
+to_join <- tibble::tibble(
+ some_grouping = c(1, 2),
+ capital_letters = c("A", "B"),
+ another_column = TRUE
+)
+to_join_tab <- Table$create(to_join)
+
+
+test_that("left_join", {
+ expect_message(
+ compare_dplyr_binding(
+ .input %>%
+ left_join(to_join) %>%
+ collect(),
+ left
+ ),
+ 'Joining, by = "some_grouping"'
+ )
+})
+
+test_that("left_join `by` args", {
+ compare_dplyr_binding(
+ .input %>%
+ left_join(to_join, by = "some_grouping") %>%
+ collect(),
+ left
+ )
+ compare_dplyr_binding(
+ .input %>%
+ left_join(
+ to_join %>%
+ rename(the_grouping = some_grouping),
+ by = c(some_grouping = "the_grouping")
+ ) %>%
+ collect(),
+ left
+ )
+
+ compare_dplyr_binding(
+ .input %>%
+ rename(the_grouping = some_grouping) %>%
+ left_join(
+ to_join,
+ by = c(the_grouping = "some_grouping")
+ ) %>%
+ collect(),
+ left
+ )
+})
+
+test_that("join two tables", {
+ expect_identical(
+ left_tab %>%
+ left_join(to_join_tab, by = "some_grouping") %>%
+ collect(),
+ left %>%
+ left_join(to_join, by = "some_grouping") %>%
+ collect()
+ )
+})
+
+test_that("Error handling", {
+ expect_error(
+ left_tab %>%
+ left_join(to_join, by = "not_a_col") %>%
+ collect(),
+ "all(names(by) %in% names(x)) is not TRUE",
+ fixed = TRUE
+ )
+})
+
+# TODO: test duplicate col names
+# TODO: casting: int and float columns?
+
+test_that("right_join", {
+ compare_dplyr_binding(
+ .input %>%
+ right_join(to_join, by = "some_grouping") %>%
+ collect(),
+ left
+ )
+})
+
+test_that("inner_join", {
+ compare_dplyr_binding(
+ .input %>%
+ inner_join(to_join, by = "some_grouping") %>%
+ collect(),
+ left
+ )
+})
+
+test_that("full_join", {
+ compare_dplyr_binding(
+ .input %>%
+ full_join(to_join, by = "some_grouping") %>%
+ collect(),
+ left
+ )
+})
+
+test_that("semi_join", {
+ compare_dplyr_binding(
+ .input %>%
+ semi_join(to_join, by = "some_grouping") %>%
+ collect(),
+ left
+ )
+})
+
+test_that("anti_join", {
+ compare_dplyr_binding(
+ .input %>%
+ # Factor levels when there are no rows in the data don't match
+ # TODO: use better anti_join test data
+ select(-fct) %>%
+ anti_join(to_join, by = "some_grouping") %>%
+ collect(),
+ left
+ )
+})
+
+test_that("mutate then join", {
+ left <- Table$create(
+ one = c("a", "b"),
+ two = 1:2
+ )
+ right <- Table$create(
+ three = TRUE,
+ dos = 2L
+ )
+
+ expect_equal(
+ left %>%
+ rename(dos = two) %>%
+ mutate(one = toupper(one)) %>%
+ left_join(
+ right %>%
+ mutate(three = !three)
+ ) %>%
+ arrange(dos) %>%
+ collect(),
+ tibble(
+ one = c("A", "B"),
+ dos = 1:2,
+ three = c(NA, FALSE)
+ )
+ )
+})