1 files changed, 34 insertions, 0 deletions
diff --git a/fastify-busboy/test/get-limit.test.js b/fastify-busboy/test/get-limit.test.js
new file mode 100644
index 0000000..76a2997
--- /dev/null
+++ b/fastify-busboy/test/get-limit.test.js
@@ -0,0 +1,34 @@
+'use strict'
+
+const getLimit = require('../lib/utils/getLimit')
+const { test } = require('tap')
+
+test('Get limit', t => {
+  t.plan(2)
+
+  t.test('Correctly resolves limits', t => {
+    t.plan(8)
+    t.strictSame(getLimit(undefined, 'fieldSize', 1), 1)
+    t.strictSame(getLimit(undefined, 'fileSize', Infinity), Infinity)
+
+    t.strictSame(getLimit({}, 'fieldSize', 1), 1)
+    t.strictSame(getLimit({}, 'fileSize', Infinity), Infinity)
+    t.strictSame(getLimit({ fieldSize: null }, 'fieldSize', 1), 1)
+    t.strictSame(getLimit({ fileSize: null }, 'fileSize', Infinity), Infinity)
+
+    t.strictSame(getLimit({ fieldSize: 0 }, 'fieldSize', 1), 0)
+    t.strictSame(getLimit({ fileSize: 2 }, 'fileSize', 1), 2)
+  })
+
+  t.test('Throws an error on incorrect limits', t => {
+    t.plan(2)
+
+    t.throws(function () {
+      getLimit({ fieldSize: '1' }, 'fieldSize', 1)
+    }, new Error('Limit fieldSize is not a valid number'))
+
+    t.throws(function () {
+      getLimit({ fieldSize: NaN }, 'fieldSize', 1)
+    }, new Error('Limit fieldSize is not a valid number'))
+  })
+})