diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b7efcb4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "test/bats"]
+	path = test/bats
+	url = https://github.com/bats-core/bats-core.git
+[submodule "test/test_helper/bats-support"]
+	path = test/test_helper/bats-support
+	url = https://github.com/bats-core/bats-support.git
+[submodule "test/test_helper/bats-assert"]
+	path = test/test_helper/bats-assert
+	url = https://github.com/bats-core/bats-assert.git
diff --git a/test/bats b/test/bats
new file mode 160000
index 0000000..26c9b18
--- /dev/null
+++ b/test/bats
@@ -0,0 +1 @@
+Subproject commit 26c9b18983c3ce4cf24c6f6ee942abd8b1c3ee18
diff --git a/test/bemoji.bats b/test/bemoji.bats
new file mode 100644
index 0000000..ad9936d
--- /dev/null
+++ b/test/bemoji.bats
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+setup() {
+    load 'test_helper/bats-support/load'
+    load 'test_helper/bats-assert/load'
+
+    # make bemoji executable from anywhere relative to current testfile
+    TEST_DIR="$( cd "$( dirname "$BATS_TEST_FILENAME" )" >/dev/null 2>&1 && pwd )"
+    PATH="$TEST_DIR/..:$PATH"
+}
+
+@test "test can run script" {
+    # closing FD3 manually to prevent hangs, see
+    # https://bats-core.readthedocs.io/en/stable/writing-tests.html#file-descriptor-3-read-this-if-bats-hangs
+    run bemoji 3>&-
+    assert_success
+}
diff --git a/test/test_helper/bats-assert b/test/test_helper/bats-assert
new file mode 160000
index 0000000..ffe84ea
--- /dev/null
+++ b/test/test_helper/bats-assert
@@ -0,0 +1 @@
+Subproject commit ffe84ea5dd43b568851549b3e241db150c12929c
diff --git a/test/test_helper/bats-support b/test/test_helper/bats-support
new file mode 160000
index 0000000..3c8fadc
--- /dev/null
+++ b/test/test_helper/bats-support
@@ -0,0 +1 @@
+Subproject commit 3c8fadc5097c9acfc96d836dced2bb598e48b009