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Extend Firebase SDK with new APIs to consume streaming callable funct…
…ion response. - Handling the server-sent event (SSE) parsing internally - Providing proper error handling and connection management - Maintaining memory efficiency for long-running streams
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127
firebase-functions/src/androidTest/java/com/google/firebase/functions/StramTests.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| package com.google.firebase.functions.ktx | ||
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| import androidx.test.InstrumentationRegistry | ||
| import androidx.test.runner.AndroidJUnit4 | ||
| import com.google.android.gms.tasks.Tasks | ||
| import com.google.common.truth.Truth.assertThat | ||
| import com.google.firebase.FirebaseApp | ||
| import com.google.firebase.functions.FirebaseFunctions | ||
| import com.google.firebase.functions.FirebaseFunctionsException | ||
| import com.google.firebase.functions.SSETaskListener | ||
| import com.google.firebase.ktx.Firebase | ||
| import com.google.firebase.ktx.initialize | ||
| import java.util.concurrent.ExecutionException | ||
| import java.util.concurrent.TimeUnit | ||
| import org.junit.After | ||
| import org.junit.Before | ||
| import org.junit.Test | ||
| import org.junit.runner.RunWith | ||
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| @RunWith(AndroidJUnit4::class) | ||
| class StreamTests { | ||
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| private lateinit var app: FirebaseApp | ||
| private lateinit var listener: SSETaskListener | ||
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| private lateinit var functions: FirebaseFunctions | ||
| var onNext = mutableListOf<Any>() | ||
| var onError: Any? = null | ||
| var onComplete: Any? = null | ||
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| @Before | ||
| fun setup() { | ||
| app = Firebase.initialize(InstrumentationRegistry.getContext())!! | ||
| functions = FirebaseFunctions.getInstance() | ||
| listener = | ||
| object : SSETaskListener { | ||
| override fun onNext(event: Any) { | ||
| onNext.add(event) | ||
| } | ||
|
|
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| override fun onError(event: Any) { | ||
| onError = event | ||
| } | ||
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| override fun onComplete(event: Any) { | ||
| onComplete = event | ||
| } | ||
| } | ||
| } | ||
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| @After | ||
| fun clear() { | ||
| onNext.clear() | ||
| onError = null | ||
| onComplete = null | ||
| } | ||
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| @Test | ||
| fun testGenStream() { | ||
| val input = hashMapOf("data" to "Why is the sky blue") | ||
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| val function = functions.getHttpsCallable("genStream") | ||
| val httpsCallableResult = Tasks.await(function.stream(input, listener)) | ||
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| val onNextStringList = onNext.map { it.toString() } | ||
| assertThat(onNextStringList) | ||
| .containsExactly( | ||
| "{chunk=hello}", | ||
| "{chunk=world}", | ||
| "{chunk=this}", | ||
| "{chunk=is}", | ||
| "{chunk=cool}" | ||
| ) | ||
| assertThat(onError).isNull() | ||
| assertThat(onComplete).isEqualTo("hello world this is cool") | ||
| assertThat(httpsCallableResult.data).isEqualTo("hello world this is cool") | ||
| } | ||
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| @Test | ||
| fun testGenStreamError() { | ||
| val input = hashMapOf("data" to "Why is the sky blue") | ||
| val function = functions.getHttpsCallable("genStreamError").withTimeout(7, TimeUnit.SECONDS) | ||
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| try { | ||
| Tasks.await(function.stream(input, listener)) | ||
| } catch (exception: Exception) { | ||
| onError = exception | ||
| } | ||
|
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| val onNextStringList = onNext.map { it.toString() } | ||
| assertThat(onNextStringList) | ||
| .containsExactly( | ||
| "{chunk=hello}", | ||
| "{chunk=world}", | ||
| "{chunk=this}", | ||
| "{chunk=is}", | ||
| "{chunk=cool}" | ||
| ) | ||
| assertThat(onError).isInstanceOf(ExecutionException::class.java) | ||
| val cause = (onError as ExecutionException).cause | ||
| assertThat(cause).isInstanceOf(FirebaseFunctionsException::class.java) | ||
| assertThat((cause as FirebaseFunctionsException).message).contains("stream was reset: CANCEL") | ||
| assertThat(onComplete).isNull() | ||
| } | ||
|
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| @Test | ||
| fun testGenStreamNoReturn() { | ||
| val input = hashMapOf("data" to "Why is the sky blue") | ||
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| val function = functions.getHttpsCallable("genStreamNoReturn") | ||
| try { | ||
| Tasks.await(function.stream(input, listener), 7, TimeUnit.SECONDS) | ||
| } catch (_: Exception) {} | ||
|
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| val onNextStringList = onNext.map { it.toString() } | ||
| assertThat(onNextStringList) | ||
| .containsExactly( | ||
| "{chunk=hello}", | ||
| "{chunk=world}", | ||
| "{chunk=this}", | ||
| "{chunk=is}", | ||
| "{chunk=cool}" | ||
| ) | ||
| assertThat(onError).isNull() | ||
| assertThat(onComplete).isNull() | ||
| } | ||
| } |
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