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Merge pull request #446 from armanbilge/topic/remove-core
Remove core module
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85 changes: 85 additions & 0 deletions
85
lambda/js/src/test/scala/feral/lambda/IOLambdaJsSuite.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * Copyright 2021 Typelevel | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package feral.lambda | ||
|
|
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| import cats.effect.IO | ||
| import cats.effect.kernel.Resource | ||
| import cats.syntax.all._ | ||
| import io.circe.Json | ||
| import io.circe.literal._ | ||
| import io.circe.scalajs._ | ||
| import munit.CatsEffectSuite | ||
|
|
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| import java.util.concurrent.atomic.AtomicInteger | ||
| import scala.scalajs.js | ||
|
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| class IOLambdaJsSuite extends CatsEffectSuite { | ||
|
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| test("initializes handler once") { | ||
|
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| val allocationCounter = new AtomicInteger | ||
| val invokeCounter = new AtomicInteger | ||
| val lambda = new IOLambda[String, String] { | ||
| def handler = Resource | ||
| .eval(IO(allocationCounter.getAndIncrement())) | ||
| .as(_.event.map(Some(_)) <* IO(invokeCounter.getAndIncrement())) | ||
| } | ||
|
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| val chars = 'A' to 'Z' | ||
| chars.toList.traverse { c => | ||
| IO.fromPromise(IO(lambda.handlerFn(c.toString, DummyContext))) | ||
| .assertEquals(c.toString.asInstanceOf[js.UndefOr[js.Any]]) | ||
| } *> IO { | ||
| assertEquals(allocationCounter.get(), 1) | ||
| assertEquals(invokeCounter.get(), chars.length) | ||
| } | ||
| } | ||
|
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| test("reads input and writes output") { | ||
|
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| val input = json"""{ "foo": "bar" }""" | ||
| val output = json"""{ "woozle": "heffalump" }""" | ||
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| val lambda = new IOLambda[Json, Json] { | ||
| def handler = Resource.pure(_ => IO(Some(output))) | ||
| } | ||
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| IO.fromPromise( | ||
| IO( | ||
| lambda.handlerFn( | ||
| input.asJsAny, | ||
| DummyContext | ||
| ) | ||
| ) | ||
| ).map(decodeJs[Json](_)) | ||
| .assertEquals(Right(output)) | ||
| } | ||
|
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| object DummyContext extends facade.Context { | ||
| def functionName = "" | ||
| def functionVersion = "" | ||
| def invokedFunctionArn = "" | ||
| def memoryLimitInMB = "0" | ||
| def awsRequestId = "" | ||
| def logGroupName = "" | ||
| def logStreamName = "" | ||
| def identity = js.undefined | ||
| def clientContext = js.undefined | ||
| def getRemainingTimeInMillis(): Double = 0 | ||
| } | ||
|
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| } |
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