From 537232a488fb94c7deaf9e41ceabc990d5854407 Mon Sep 17 00:00:00 2001
From: "Luke W. Johnston" <lwjohnst@gmail.com>
Date: Fri, 8 Mar 2024 12:23:08 +0100
Subject: [PATCH] test: include tests for the internal `get_` helpers

---
 tests/testthat/test-get-variables.R | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 tests/testthat/test-get-variables.R

diff --git a/tests/testthat/test-get-variables.R b/tests/testthat/test-get-variables.R
new file mode 100644
index 0000000..e1d9aac
--- /dev/null
+++ b/tests/testthat/test-get-variables.R
@@ -0,0 +1,12 @@
+test_that("internal `get_` variable helper functions give correct output", {
+
+  # Should be character. Not sure if other tests are needed here.
+  expect_type(get_register_abbrev(), "character")
+  expect_type(get_required_variables("bef"), "character")
+
+  # Only able to use register ids that are real.
+  expect_error(get_required_variables("fake"))
+
+  # Only allows a vector of one.
+  expect_error(get_required_variables(c("bef", "atc")))
+})