More automated tests

test/basename.test.js

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+'use strict'
+
+const { test } = require('tap')
+const basename = require('../lib/utils/basename')
+
+test('basename', (t) => {
+  t.plan(3)
+
+  t.test('returns an empty string if the path is not a string', (t) => {
+    const result = basename({})
+
+    t.equal(result, '')
+    t.end()
+  })
+
+  t.test('returns an empty string if the path includes a \' and the char after is a .', (t) => {
+    const result = basename('path\\.')
+
+    t.equal(result, '')
+    t.end()
+  })
+
+  t.test('returns an empty string if the path is a .', (t) => {
+    const result = basename('.')
+
+    t.equal(result, '')
+    t.end()
+  })
+})

test/busboy-emit.test.js

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+'use strict'
+
+const Busboy = require('../lib/main')
+const { test } = require('tap')
+
+test('busboy, emit', t => {
+  t.plan(1)
+
+  t.test('returns undefined when the event is called a second time and the busboy was already finished', t => {
+    const busboy = new Busboy({ headers: { 'content-type': 'application/x-www-form-urlencoded' } })
+    busboy._finished = true
+    busboy.emit('finish')
+
+    t.equal(busboy.emit('finish'), undefined)
+    t.end()
+  })
+})

test/dicer-write.test.js

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+'use strict'
+
+const { test } = require('tap')
+const { Dicer } = require('../lib/main')
+
+test('dicer _write method', t => {
+  t.plan(1)
+
+  t.test('the PartStream instance is created only once if the _write method is called more than once', t => {
+    const dicer = new Dicer({ headerFirst: true })
+
+    dicer._write(Buffer.from('Content-Type: text/plain'), null, () => {
+      dicer._write(Buffer.from('Content-Type: text/plain'), null, () => {
+        t.pass('write method called')
+      })
+    })
+
+    t.end()
+  })
+})

test/multipart-constructor.test.js

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+'use strict'
+
+const Multipart = require('../lib/types/multipart')
+const Busboy = require('../lib/main')
+const { test } = require('tap')
+
+test('multipart constructor', t => {
+  t.plan(1)
+
+  t.test('throws if the boundary is not a string', t => {
+    const busboy = new Busboy({ headers: { 'content-type': 'application/x-www-form-urlencoded' } })
+
+    t.throws(() => new Multipart(busboy, { boundary: 123 }), new Error('Multipart: Boundary not found'))
+    t.end()
+  })
+})