1 files changed, 98 insertions, 0 deletions
diff --git a/fastify-busboy/test/decoder.test.js b/fastify-busboy/test/decoder.test.js
new file mode 100644
index 0000000..fa4ce69
--- /dev/null
+++ b/fastify-busboy/test/decoder.test.js
@@ -0,0 +1,98 @@
+'use strict'
+
+const { test } = require('tap')
+const Decoder = require('../lib/utils/Decoder')
+
+test('Decoder', t => {
+  const tests =
+  [
+    {
+      source: ['Hello world'],
+      expected: 'Hello world',
+      what: 'No encoded bytes'
+    },
+    {
+      source: ['Hello%20world'],
+      expected: 'Hello world',
+      what: 'One full encoded byte'
+    },
+    {
+      source: ['Hello%20world%21'],
+      expected: 'Hello world!',
+      what: 'Two full encoded bytes'
+    },
+    {
+      source: ['Hello%', '20world'],
+      expected: 'Hello world',
+      what: 'One full encoded byte split #1'
+    },
+    {
+      source: ['Hello%2', '0world'],
+      expected: 'Hello world',
+      what: 'One full encoded byte split #2'
+    },
+    {
+      source: ['Hello%20', 'world'],
+      expected: 'Hello world',
+      what: 'One full encoded byte (concat)'
+    },
+    {
+      source: ['Hello%2Qworld'],
+      expected: 'Hello%2Qworld',
+      what: 'Malformed encoded byte #1'
+    },
+    {
+      source: ['Hello%world'],
+      expected: 'Hello%world',
+      what: 'Malformed encoded byte #2'
+    },
+    {
+      source: ['Hello+world'],
+      expected: 'Hello world',
+      what: 'Plus to space'
+    },
+    {
+      source: ['Hello+world%21'],
+      expected: 'Hello world!',
+      what: 'Plus and encoded byte'
+    },
+    {
+      source: ['5%2B5%3D10'],
+      expected: '5+5=10',
+      what: 'Encoded plus'
+    },
+    {
+      source: ['5+%2B+5+%3D+10'],
+      expected: '5 + 5 = 10',
+      what: 'Spaces and encoded plus'
+    }
+  ]
+  t.plan(tests.length + 1)
+
+  tests.forEach((v) => {
+    t.test(v.what, t => {
+      t.plan(1)
+
+      const dec = new Decoder()
+      let result = ''
+      v.source.forEach(function (s) {
+        result += dec.write(s)
+      })
+      const msg = 'Decoded string mismatch.\n' +
+                'Saw: ' + result + '\n' +
+                'Expected: ' + v.expected
+      t.strictSame(result, v.expected, msg)
+    })
+  })
+
+  t.test('reset sets internal buffer to undefined', t => {
+    t.plan(2)
+
+    const dec = new Decoder()
+    dec.write('Hello+world%2')
+
+    t.notSame(dec.buffer, undefined)
+    dec.reset()
+    t.equal(dec.buffer, undefined)
+  })
+})