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Bulk load cdk: split the destination process stuff into multiple file…
…s in their own package (#46362)
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209 changes: 0 additions & 209 deletions
209
...cdk/bulk/core/load/src/testFixtures/kotlin/io/airbyte/cdk/test/util/DestinationProcess.kt
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51 changes: 51 additions & 0 deletions
51
...rc/testFixtures/kotlin/io/airbyte/cdk/test/util/destination_process/DestinationProcess.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| /* | ||
| * Copyright (c) 2024 Airbyte, Inc., all rights reserved. | ||
| */ | ||
|
|
||
| package io.airbyte.cdk.test.util.destination_process | ||
|
|
||
| import io.airbyte.cdk.command.ConfigurationSpecification | ||
| import io.airbyte.protocol.models.v0.AirbyteMessage | ||
| import io.airbyte.protocol.models.v0.ConfiguredAirbyteCatalog | ||
|
|
||
| /** | ||
| * Represents a destination process, whether running in-JVM via micronaut, or as a separate Docker | ||
| * container. The general lifecycle is: | ||
| * 1. `val dest = DestinationProcessFactory.createDestinationProcess(...)` | ||
| * 2. `launch { dest.run() }` | ||
| * 3. [sendMessage] as many times as you want | ||
| * 4. [readMessages] as needed (e.g. to check that state messages are emitted during the sync) | ||
| * 5. [shutdown] once you have no more messages to send to the destination | ||
| */ | ||
| interface DestinationProcess { | ||
| /** | ||
| * Run the destination process. Callers who want to interact with the destination should | ||
| * `launch` this method. | ||
| */ | ||
| fun run() | ||
|
|
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| fun sendMessage(message: AirbyteMessage) | ||
|
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| /** Return all messages the destination emitted since the last call to [readMessages]. */ | ||
| fun readMessages(): List<AirbyteMessage> | ||
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| /** | ||
| * Wait for the destination to terminate, then return all messages it emitted since the last | ||
| * call to [readMessages]. | ||
| */ | ||
| fun shutdown() | ||
| } | ||
|
|
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| enum class TestDeploymentMode { | ||
| CLOUD, | ||
| OSS | ||
| } | ||
|
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| interface DestinationProcessFactory { | ||
| fun createDestinationProcess( | ||
| command: String, | ||
| config: ConfigurationSpecification? = null, | ||
| catalog: ConfiguredAirbyteCatalog? = null, | ||
| deploymentMode: TestDeploymentMode = TestDeploymentMode.OSS, | ||
| ): DestinationProcess | ||
| } |
88 changes: 88 additions & 0 deletions
88
...testFixtures/kotlin/io/airbyte/cdk/test/util/destination_process/DockerizedDestination.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| * Copyright (c) 2024 Airbyte, Inc., all rights reserved. | ||
| */ | ||
|
|
||
| package io.airbyte.cdk.test.util.destination_process | ||
|
|
||
| import com.fasterxml.jackson.databind.JsonNode | ||
| import io.airbyte.protocol.models.v0.AirbyteMessage | ||
| import io.airbyte.protocol.models.v0.ConfiguredAirbyteCatalog | ||
| import java.io.ByteArrayOutputStream | ||
| import java.io.InputStream | ||
|
|
||
| // TODO define a factory for this class + @Require(env = CI_master_merge) | ||
| class DockerizedDestination( | ||
| val command: String, | ||
| val config: JsonNode?, | ||
| val catalog: ConfiguredAirbyteCatalog?, | ||
| ) : DestinationProcess { | ||
| override fun run() { | ||
| TODO("launch a docker container") | ||
| } | ||
|
|
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| override fun sendMessage(message: AirbyteMessage) { | ||
| // push a message to the docker process' stdin | ||
| TODO("Not yet implemented") | ||
| } | ||
|
|
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| override fun readMessages(): List<AirbyteMessage> { | ||
| // read everything from the process' stdout | ||
| TODO("Not yet implemented") | ||
| } | ||
|
|
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| override fun shutdown() { | ||
| // close stdin, wait until process exits | ||
| TODO("Not yet implemented") | ||
| } | ||
| } | ||
|
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| // This is currently unused, but we'll need it for the Docker version. | ||
| // it exists right now b/c I wrote it prior to the CliRunner retooling. | ||
| /** | ||
| * There doesn't seem to be a built-in equivalent to this? Scanner and BufferedReader both have | ||
| * `hasNextLine` methods which block until the stream has data to read, which we don't want to do. | ||
| * | ||
| * This class simply buffers the next line in-memory until it reaches a newline or EOF. | ||
| */ | ||
| private class LazyInputStreamReader(private val input: InputStream) { | ||
| private val buffer: ByteArrayOutputStream = ByteArrayOutputStream() | ||
| private var eof = false | ||
|
|
||
| /** | ||
| * Returns the next line of data, or null if no line is available. Doesn't block if the | ||
| * inputstream has no data. | ||
| */ | ||
| fun nextLine(): MaybeLine { | ||
| if (eof) { | ||
| return NoLine.EOF | ||
| } | ||
| while (input.available() != 0) { | ||
| when (val read = input.read()) { | ||
| -1 -> { | ||
| eof = true | ||
| val line = Line(buffer.toByteArray().toString(Charsets.UTF_8)) | ||
| buffer.reset() | ||
| return line | ||
| } | ||
| '\n'.code -> { | ||
| val bytes = buffer.toByteArray() | ||
| buffer.reset() | ||
| return Line(bytes.toString(Charsets.UTF_8)) | ||
| } | ||
| else -> { | ||
| buffer.write(read) | ||
| } | ||
| } | ||
| } | ||
| return NoLine.NOT_YET_AVAILABLE | ||
| } | ||
|
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| companion object { | ||
| interface MaybeLine | ||
| enum class NoLine : MaybeLine { | ||
| EOF, | ||
| NOT_YET_AVAILABLE | ||
| } | ||
| data class Line(val line: String) : MaybeLine | ||
| } | ||
| } |
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