diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index ed7650c..b7a5210 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -2,12 +2,7 @@
 # Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
 on:
   push:
-    branches: [main, master]
-  pull_request:
-    branches: [main, master]
-  release:
-    types: [published]
-  workflow_dispatch:
+    branches: [main]
 
 name: pkgdown
 
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
new file mode 100644
index 0000000..456af27
--- /dev/null
+++ b/.github/workflows/tests.yaml
@@ -0,0 +1,36 @@
+on:
+  pull_request:
+    branches:
+      - main
+
+name: Unit testing
+
+jobs:
+  r_cmd_check:
+    name: R CMD check
+    runs-on: ubuntu-latests
+    steps:
+    - uses: actions/checkout@v3
+    - uses: r-lib/actions/setup-r@v2
+    - uses: r-lib/actions/setup-r-dependencies@v2
+      with:
+        extra-packages: any::rcmdcheck
+        needs: check
+    - uses: r-lib/actions/check-r-package@v2
+      with:
+        error-on: '"error"'
+  r_cmd_check_as_cran:
+    name: R CMD check as CRAN
+    runs-on: ubuntu-latests
+    steps:
+    - uses: actions/checkout@v3
+    - uses: r-lib/actions/setup-r@v2
+    - uses: r-lib/actions/setup-r-dependencies@v2
+      with:
+        extra-packages: any::rcmdcheck
+        needs: check
+    - uses: r-lib/actions/check-r-package@v2
+      with:
+        args: 'c("--no-manual", "--as-cran")'
+        error-on: '"error"'
+        check-dir: '"check"'
diff --git a/DESCRIPTION b/DESCRIPTION
index 1ca12e2..2c73594 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -31,5 +31,7 @@ Imports:
 Suggests:
     knitr,
     rmarkdown,
-    shiny
+    shiny,
+    testthat (>= 3.0.0)
 VignetteBuilder: knitr
+Config/testthat/edition: 3
diff --git a/tests/testthat.R b/tests/testthat.R
new file mode 100644
index 0000000..9a18897
--- /dev/null
+++ b/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(tapLock)
+
+test_check("tapLock")
diff --git a/tests/testthat/test-parse_cookies.R b/tests/testthat/test-parse_cookies.R
new file mode 100644
index 0000000..024e78d
--- /dev/null
+++ b/tests/testthat/test-parse_cookies.R
@@ -0,0 +1,6 @@
+test_that("coorkie parsing works!", {
+  EXAMPLE_COOKIE <- "foo=bar; baz=quux"
+  EXPECTED_RESULT <- list(foo = "bar", baz = "quux")
+  result <- parse_cookies(EXAMPLE_COOKIE)
+  testthat::expect_equal(result, EXPECTED_RESULT)
+})