712 - {shinytest2} for tm_data_table (#719)

Part of
#712

~~- [ ]  testing table caption (DT functionality)~~
- [x] testing table
- [x] variable selected

---------

Signed-off-by: kartikeya kirar <kirar.kartikeya1@gmail.com>
Signed-off-by: Marcin <133694481+m7pr@users.noreply.github.com>
Co-authored-by: 27856297+dependabot-preview[bot]@users.noreply.github.com <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Marcin <133694481+m7pr@users.noreply.github.com>
Co-authored-by: André Veríssimo <211358+averissimo@users.noreply.github.com>
Co-authored-by: m7pr <marcin.kosinski.mk1@roche.com>

R/tm_data_table.R

@@ -45,7 +45,7 @@
 #'       variables_selected = list(
 #'         iris = c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width", "Species")
 #'       ),
-#'       dt_args = list(caption = "ADSL Table Caption")
+#'       dt_args = list(caption = "IRIS Table Caption")
 #'     )
 #'   )
 #' )

tests/testthat/test-shinytest2-tm_data_table.R

@@ -0,0 +1,101 @@
+app_driver_tm_data_table <- function() {
+  init_teal_app_driver(
+    data = simple_teal_data(),
+    modules = tm_data_table(
+      label = "Data Table",
+      variables_selected = list(
+        iris = c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width", "Species")
+      ),
+      datasets_selected = c("iris", "mtcars"),
+      dt_args = list(caption = "Table Caption"),
+      dt_options = list(
+        searching = FALSE, pageLength = 30, lengthMenu = c(5, 15, 30, 100),
+        scrollX = TRUE
+      ),
+      server_rendering = FALSE,
+      pre_output = NULL,
+      post_output = NULL
+    ),
+    timeout = 3000
+  )
+}
+
+test_that("e2e - tm_data_table: Initializes without errors", {
+  skip_if_too_deep(5)
+  app_driver <- app_driver_tm_data_table()
+
+  app_driver$expect_no_shiny_error()
+
+  testthat::expect_equal(
+    app_driver$get_text("#teal-main_ui-root-active_tab > li.active > a"),
+    "Data Table"
+  )
+
+  app_driver$stop()
+})
+
+test_that("e2e - tm_data_table: Verify checkbox displayed over data table", {
+  skip_if_too_deep(5)
+  app_driver <- app_driver_tm_data_table()
+
+  testthat::expect_false(app_driver$get_active_module_input("if_distinct"))
+
+  app_driver$stop()
+})
+
+test_that("e2e - tm_data_table: Verify module displays data table", {
+  skip_if_too_deep(5)
+  app_driver <- app_driver_tm_data_table()
+
+  # table
+  testthat::expect_match(app_driver$get_active_module_output("iris-data_table"), "Table Caption")
+  testthat::expect_true(app_driver$is_visible(selector = app_driver$active_module_element("iris-data_table")))
+
+  extract_iris_table <- function() {
+    app_driver$active_module_element("iris-data_table") %>%
+      app_driver$get_html_rvest() %>%
+      rvest::html_table(fill = TRUE) %>%
+      .[[2]] %>%
+      dplyr::select(-1) %>%
+      data.frame()
+  }
+  # Non-distinct version.
+  iris_extracted <- extract_iris_table()
+  iris_subset <- iris %>%
+    dplyr::mutate(Species = as.character(Species)) %>%
+    dplyr::slice(1:30)
+  testthat::expect_equal(iris_extracted, iris_subset)
+
+  # Distinct version.
+  app_driver$set_active_module_input("if_distinct", TRUE)
+  iris_extracted_distinct <- extract_iris_table()
+  iris_subset_distinct <- iris %>%
+    dplyr::mutate(n = 1) %>%
+    dplyr::arrange(dplyr::across(dplyr::everything())) %>%
+    dplyr::mutate(Species = as.character(Species)) %>%
+    dplyr::slice(1:30)
+  testthat::expect_equal(iris_extracted_distinct, iris_subset_distinct)
+
+  app_driver$stop()
+})
+
+test_that("e2e - tm_data_table: Verify default variable selection and set new selection", {
+  skip_if_too_deep(5)
+  app_driver <- app_driver_tm_data_table()
+
+  # default variable selection
+  testthat::expect_equal(
+    app_driver$get_active_module_input("iris-variables"),
+    c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width", "Species")
+  )
+
+  # new variable selection
+  app_driver$set_active_module_input("iris-variables", c("Petal.Width", "Species"))
+  app_driver$expect_no_validation_error()
+  testthat::expect_equal(
+    app_driver$get_active_module_input("iris-variables"),
+    c("Petal.Width", "Species")
+  )
+
+  app_driver$stop()
+})