1 files changed, 85 insertions, 0 deletions
diff --git a/jvm/src/test/scala/xyz/driver/core/MessagesTest.scala b/jvm/src/test/scala/xyz/driver/core/MessagesTest.scala
new file mode 100644
index 0000000..07b0158
--- /dev/null
+++ b/jvm/src/test/scala/xyz/driver/core/MessagesTest.scala
@@ -0,0 +1,85 @@
+package xyz.driver.core
+
+import java.util.Locale
+
+import com.typesafe.config.{ConfigException, ConfigFactory}
+import org.scalatest.{FlatSpec, Matchers}
+import xyz.driver.core.messages.Messages
+import xyz.driver.core.logging.NoLogger
+
+import scala.collection.JavaConverters._
+
+class MessagesTest extends FlatSpec with Matchers {
+
+  val englishLocaleMessages =
+    Map("en.greeting" -> "Hello {0}!", "en.greetingFullName" -> "Hello {0} {1} {2}!", "en.hello" -> "Hello world!")
+
+  "Messages" should "read messages from config and format with parameters" in {
+
+    val messagesConfig = ConfigFactory.parseMap(englishLocaleMessages.asJava)
+
+    val messages = Messages.messages(messagesConfig, NoLogger, Locale.US)
+
+    messages("hello") should be("Hello world!")
+    messages("greeting", "Homer") should be("Hello Homer!")
+    messages("greetingFullName", "Homer", "J", "Simpson") should be("Hello Homer J Simpson!")
+  }
+
+  it should "be able to read messages for different locales" in {
+
+    val messagesConfig = ConfigFactory.parseMap(
+      (englishLocaleMessages ++ Map(
+        "zh.hello"            -> "你好，世界!",
+        "zh.greeting"         -> "你好，{0}!",
+        "zh.greetingFullName" -> "你好，{0} {1} {2}!"
+      )).asJava)
+
+    val englishMessages    = Messages.messages(messagesConfig, NoLogger, Locale.US)
+    val englishMessagesToo = Messages.messages(messagesConfig, NoLogger, Locale.ENGLISH)
+    val chineseMessages    = Messages.messages(messagesConfig, NoLogger, Locale.CHINESE)
+
+    englishMessages("hello") should be("Hello world!")
+    englishMessages("greeting", "Homer") should be("Hello Homer!")
+    englishMessages("greetingFullName", "Homer", "J", "Simpson") should be("Hello Homer J Simpson!")
+
+    englishMessagesToo("hello") should be(englishMessages("hello"))
+    englishMessagesToo("greeting", "Homer") should be(englishMessages("greeting", "Homer"))
+    englishMessagesToo("greetingFullName", "Homer", "J", "Simpson") should be(
+      englishMessages("greetingFullName", "Homer", "J", "Simpson"))
+
+    chineseMessages("hello") should be("你好，世界!")
+    chineseMessages("greeting", "Homer") should be("你好，Homer!")
+    chineseMessages("greetingFullName", "Homer", "J", "Simpson") should be("你好，Homer J Simpson!")
+  }
+
+  it should "raise exception when locale is not available" in {
+
+    val messagesConfig = ConfigFactory.parseMap(englishLocaleMessages.asJava)
+
+    an[ConfigException.Missing] should be thrownBy
+      Messages.messages(messagesConfig, NoLogger, Locale.GERMAN)
+  }
+
+  it should "be able to read nested keys in multiple forms" in {
+
+    val configString =
+      """
+        | en {
+        |   foo.bar = "Foo Bar"
+        |
+        |   baz {
+        |     boo = "Baz Boo"
+        |     booFormat = "Baz Boo {0}"
+        |   }
+        | }
+      """.stripMargin
+
+    val messagesConfig = ConfigFactory.parseString(configString)
+
+    val messages = Messages.messages(messagesConfig, NoLogger, Locale.US)
+
+    messages("foo.bar") should be("Foo Bar")
+    messages("baz.boo") should be("Baz Boo")
+    messages("baz.booFormat", "Test") should be("Baz Boo Test")
+  }
+}