diff --git a/test/lib/arrivals.js b/test/lib/arrivals.js
new file mode 100644
index 00000000..9483514a
--- /dev/null
+++ b/test/lib/arrivals.js
@@ -0,0 +1,21 @@
+'use strict'
+
+const co = require('./co')
+
+const testArrivals = co(function* (cfg) {
+	const {test: t, arrivals: arrs, validate, id} = cfg
+
+	validate(t, arrs, 'arrivals', 'arrivals')
+	t.ok(arrs.length > 0, 'must be >0 arrivals')
+	for (let i = 0; i < arrs.length; i++) {
+		const dep = arrs[i]
+		const name = `arrs[${i}]`
+
+		t.equal(dep.station.id, id, name + '.station.id is invalid')
+	}
+
+	// todo: move into arrivals validator
+	t.deepEqual(arrs, arrs.sort((a, b) => t.when > b.when))
+})
+
+module.exports = testArrivals