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Merge pull request #227 from armanbilge/issue/226
Close the output writer in JVM lambda runtime
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lambda/jvm/src/test/scala/feral/lambda/IOLambdaJvmSuite.scala
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/* | ||
* 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. | ||
*/ | ||
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package feral.lambda | ||
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import cats.effect.IO | ||
import cats.effect.kernel.Resource | ||
import com.amazonaws.services.lambda.runtime | ||
import io.circe.Json | ||
import io.circe.jawn | ||
import io.circe.literal._ | ||
import munit.FunSuite | ||
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import java.io.ByteArrayInputStream | ||
import java.io.ByteArrayOutputStream | ||
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class IOLambdaJvmSuite extends FunSuite { | ||
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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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val os = new ByteArrayOutputStream | ||
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lambda.handleRequest( | ||
new ByteArrayInputStream(input.toString.getBytes()), | ||
os, | ||
DummyContext | ||
) | ||
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assertEquals( | ||
jawn.parseByteArray(os.toByteArray()), | ||
Right(output), | ||
new String(os.toByteArray()) | ||
) | ||
} | ||
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object DummyContext extends runtime.Context { | ||
override def getAwsRequestId(): String = "" | ||
override def getLogGroupName(): String = "" | ||
override def getLogStreamName(): String = "" | ||
override def getFunctionName(): String = "" | ||
override def getFunctionVersion(): String = "" | ||
override def getInvokedFunctionArn(): String = "" | ||
override def getIdentity(): runtime.CognitoIdentity = null | ||
override def getClientContext(): runtime.ClientContext = null | ||
override def getRemainingTimeInMillis(): Int = 0 | ||
override def getMemoryLimitInMB(): Int = 0 | ||
override def getLogger(): runtime.LambdaLogger = null | ||
} | ||
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} |