Merge pull request #17 from panukatan/dev

add unit tests

DESCRIPTION

@@ -24,6 +24,7 @@ Suggests:
     dplyr,
     pdftools,
     spelling,
+    testthat (>= 3.0.0),
     tibble
 Encoding: UTF-8
 Language: en-GB
@@ -32,3 +33,4 @@ RoxygenNote: 7.3.1
 Roxygen: list(markdown = TRUE)
 URL: https://panukatan.io/bagyo/, https://github.com/panukatan/bagyo
 BugReports: https://github.com/panukatan/bagyo/issues
+Config/testthat/edition: 3

tests/testthat.R

@@ -0,0 +1,12 @@
+# This file is part of the standard setup for testthat.
+# It is recommended that you do not modify it.
+#
+# Where should you do additional test configuration?
+# Learn more about the roles of various files in:
+# * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
+# * https://testthat.r-lib.org/articles/special-files.html
+
+library(testthat)
+library(bagyo)
+
+test_check("bagyo")

tests/testthat/test-data.R

@@ -0,0 +1,11 @@
+# Tests for data ---------------------------------------------------------------
+
+testthat::expect_s3_class(tropical_cyclones, "data.frame")
+
+testthat::expect_named(
+  tropical_cyclones,
+  expected = c("year", "category_code", "category_name", "name", "rsmc_name",
+               "start", "end", "pressure", "speed")
+)
+
+testthat::expect_contains(tropical_cyclones$year, 2017:2020)