First commit

node_modules/process-warning/test/emit-once-only.test.js

@@ -0,0 +1,26 @@
+'use strict'
+
+const test = require('tap').test
+const build = require('..')
+
+test('emit should emit a given code only once', t => {
+  t.plan(4)
+
+  const { create, emit, emitted } = build()
+
+  process.on('warning', onWarning)
+  function onWarning (warning) {
+    t.equal(warning.name, 'FastifyDeprecation')
+    t.equal(warning.code, 'CODE')
+    t.equal(warning.message, 'Hello world')
+    t.ok(emitted.get('CODE'))
+  }
+
+  create('FastifyDeprecation', 'CODE', 'Hello world')
+  emit('CODE')
+  emit('CODE')
+  setImmediate(() => {
+    process.removeListener('warning', onWarning)
+    t.end()
+  })
+})