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Scala Examples

The project is split into two modules

  1. Json Parser

Uses Jackson to deserialize a java.util.InputStream to JsonNode and from there a mix of pattern matching and recursion is used to convert to a Map[String, Any].

  1. Exchange rates API

Uses api.exchangeratesapi.io to retrieve the latest exchange rates and convert amounts from one currency to another. Wrote unit tests where I mock the external API request and also wrote integration tests that actually do requests to the external API.

Run

To build and run the tests do:

./gradlew

Technologies used

  • Scala 2.12
  • Akka Http with Spray json
  • Jackson
  • Scalatest