Extract MonadAsyncError implementations

Extract MonadAsyncError implementations into their own projects to allow
reuse by multiple backends.

3 files changed, 68 insertions, 0 deletions

diff --git a/implementations/monix/src/main/scala/com/softwaremill/sttp/impl/monix/TaskMonadAsyncError.scala b/implementations/monix/src/main/scala/com/softwaremill/sttp/impl/monix/TaskMonadAsyncError.scala
new file mode 100644
index 0000000..1806100
--- /dev/null
+++ b/implementations/monix/src/main/scala/com/softwaremill/sttp/impl/monix/TaskMonadAsyncError.scala
@@ -0,0 +1,31 @@
+package com.softwaremill.sttp.impl.monix
+
+import com.softwaremill.sttp.MonadAsyncError
+import _root_.monix.eval.Task
+import _root_.monix.execution.Cancelable
+
+import scala.util.{Failure, Success}
+
+object TaskMonadAsyncError extends MonadAsyncError[Task] {
+  override def unit[T](t: T): Task[T] = Task.now(t)
+
+  override def map[T, T2](fa: Task[T])(f: (T) => T2): Task[T2] = fa.map(f)
+
+  override def flatMap[T, T2](fa: Task[T])(f: (T) => Task[T2]): Task[T2] =
+    fa.flatMap(f)
+
+  override def async[T](register: ((Either[Throwable, T]) => Unit) => Unit): Task[T] =
+    Task.async { (_, cb) =>
+      register {
+        case Left(t)  => cb(Failure(t))
+        case Right(t) => cb(Success(t))
+      }
+
+      Cancelable.empty
+    }
+
+  override def error[T](t: Throwable): Task[T] = Task.raiseError(t)
+
+  override protected def handleWrappedError[T](rt: Task[T])(h: PartialFunction[Throwable, Task[T]]): Task[T] =
+    rt.onErrorRecoverWith(h)
+}
diff --git a/implementations/monix/src/test/scala/com/softwaremill/sttp/impl/monix/MonixTestStreamingBackend.scala b/implementations/monix/src/test/scala/com/softwaremill/sttp/impl/monix/MonixTestStreamingBackend.scala
new file mode 100644
index 0000000..c6e44da
--- /dev/null
+++ b/implementations/monix/src/test/scala/com/softwaremill/sttp/impl/monix/MonixTestStreamingBackend.scala
@@ -0,0 +1,22 @@
+package com.softwaremill.sttp.impl.monix
+
+import java.nio.ByteBuffer
+
+import _root_.monix.eval.Task
+import _root_.monix.reactive.Observable
+import com.softwaremill.sttp.testing.streaming.{ConvertToFuture, TestStreamingBackend}
+
+trait MonixTestStreamingBackend extends TestStreamingBackend[Task, Observable[ByteBuffer]] {
+
+  override implicit def convertToFuture: ConvertToFuture[Task] = com.softwaremill.sttp.impl.monix.convertToFuture
+
+  override def bodyProducer(body: String): Observable[ByteBuffer] =
+    Observable.fromIterable(body.getBytes("utf-8").map(b => ByteBuffer.wrap(Array(b))))
+
+  override def bodyConsumer(stream: Observable[ByteBuffer]): Task[String] =
+    stream
+      .flatMap(bb => Observable.fromIterable(bb.array()))
+      .toListL
+      .map(bs => new String(bs.toArray, "utf8"))
+
+}
diff --git a/implementations/monix/src/test/scala/com/softwaremill/sttp/impl/monix/package.scala b/implementations/monix/src/test/scala/com/softwaremill/sttp/impl/monix/package.scala
new file mode 100644
index 0000000..25cf7e1
--- /dev/null
+++ b/implementations/monix/src/test/scala/com/softwaremill/sttp/impl/monix/package.scala
@@ -0,0 +1,15 @@
+package com.softwaremill.sttp.impl
+
+import scala.concurrent.Future
+
+import _root_.monix.eval.Task
+import com.softwaremill.sttp.testing.streaming.ConvertToFuture
+
+package object monix {
+
+  val convertToFuture: ConvertToFuture[Task] = new ConvertToFuture[Task] {
+    import _root_.monix.execution.Scheduler.Implicits.global
+
+    override def toFuture[T](value: Task[T]): Future[T] = value.runAsync
+  }
+}