✅ test: add tests

Author: kazupon

lib/rules/no-missing-keys.js

@@ -4,6 +4,7 @@
 'use strict'
 
 const {
+  UNEXPETECD_ERROR_LOCATION,
   defineTemplateBodyVisitor,
   loadLocaleMessages,
   findMissingsFromLocaleMessages
@@ -13,6 +14,14 @@ let localeMessages = null // cache
 
 function create (context) {
   const { settings } = context
+  if (!settings['vue-i18n'] || !settings['vue-i18n'].localeDir) {
+    context.report({
+      loc: UNEXPETECD_ERROR_LOCATION,
+      message: `You need to 'localeDir' at 'settings. See the 'eslint-plugin-vue-i18n documentation`
+    })
+    return {}
+  }
+
   const localeDir = settings['vue-i18n'].localeDir
   localeMessages = localeMessages || loadLocaleMessages(localeDir)
 

lib/utils/index.js

@@ -7,6 +7,8 @@
 const glob = require('glob')
 const { resolve } = require('path')
 
+const UNEXPETECD_ERROR_LOCATION = { line: 1, column: 0 }
+
 /**
  * Register the given visitor to parser services.
  * Borrow from GitHub `vuejs/eslint-plugin-vue` repo
@@ -15,7 +17,7 @@ const { resolve } = require('path')
 function defineTemplateBodyVisitor (context, templateBodyVisitor, scriptVisitor) {
   if (context.parserServices.defineTemplateBodyVisitor === null) {
     context.report({
-      loc: { line: 1, column: 0 },
+      loc: UNEXPETECD_ERROR_LOCATION,
       message: 'Use the latest vue-eslint-parser. See also https://github.com/vuejs/eslint-plugin-vue#what-is-the-use-the-latest-vue-eslint-parser-error'
     })
     return {}
@@ -55,6 +57,7 @@ function findMissingsFromLocaleMessages (localeMessages, key) {
 }
 
 module.exports = {
+  UNEXPETECD_ERROR_LOCATION,
   defineTemplateBodyVisitor,
   loadLocaleMessages,
   findMissingsFromLocaleMessages

tests/fixtures/locales/en.json renamed to tests/fixtures/no-missing-keys/locales/en.json

@@ -0,0 +1,13 @@
+{
+  "hello": "hello world",
+  "messages": {
+    "hello": "hi DIO!",
+    "link": "@:message.hello",
+    "nested": {
+      "hello": "hi jojo!"
+    }
+  },
+  "hello_dio": "hello underscore DIO!",
+  "hello {name}": "hello {name}!",
+  "hello-dio": "hello hyphen DIO!"
+}

tests/fixtures/locales/ja.json renamed to tests/fixtures/no-missing-keys/locales/ja.json

@@ -0,0 +1,13 @@
+{
+  "hello": "ハローワールド",
+  "messages": {
+    "hello": "こんにちは、DIO！",
+    "link": "@:message.hello",
+    "nested": {
+      "hello": "こんにちは、ジョジョ!"
+    }
+  },
+  "hello_dio": "こんにちは、アンダースコア DIO！",
+  "hello {name}": "こんにちは、{name}！",
+  "hello-dio": "こんにちは、ハイフン DIO！"
+}

tests/fixtures/src/App.vue renamed to tests/fixtures/no-missing-keys/src/App.vue

@@ -0,0 +1,14 @@
+<template>
+  <div id="app">
+    <p v-t="'hello_dio'">{{ $t('messages.hello') }}</p>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'App',
+  created () {
+    this.$i18n.t('hello {name}', { name: 'DIO' })
+  }
+}
+</script>

tests/fixtures/src/main.js renamed to tests/fixtures/no-missing-keys/src/main.js

@@ -0,0 +1,2 @@
+const $t = () => {}
+$t('hello')