Add integration tests for Bedrock Runtime (#37)

alexgromero · web-flow · commit fe0c6aff45ac · 2025-11-26T15:28:18.000-05:00
diff --git a/clients/aws-sdk-bedrock-runtime/CHANGELOG.md b/clients/aws-sdk-bedrock-runtime/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+### Enhancements
+* Add comprehensive integration tests for non-streaming, output streaming, and bidirectional streaming operations.
+
 ## v0.2.0
 
 ### API Changes
@@ -26,7 +29,7 @@
 * New stop reason for Converse and ConverseStream
 
 ### Enhancements
-* Improvements to the underlying AWS CRT HTTP client result in a signifigant decrease in CPU usage. Addresses [aws-sdk-python#11](https://github.com/awslabs/aws-sdk-python/issues/11).
+* Improvements to the underlying AWS CRT HTTP client result in a significant decrease in CPU usage. Addresses [aws-sdk-python#11](https://github.com/awslabs/aws-sdk-python/issues/11).
 
 ### Dependencies
 
diff --git a/clients/aws-sdk-bedrock-runtime/tests/integration/__init__.py b/clients/aws-sdk-bedrock-runtime/tests/integration/__init__.py
@@ -0,0 +1,26 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+
+from pathlib import Path
+
+from smithy_aws_core.identity import EnvironmentCredentialsResolver
+
+from aws_sdk_bedrock_runtime.client import BedrockRuntimeClient
+from aws_sdk_bedrock_runtime.config import Config
+
+MODEL_ID = "amazon.titan-text-express-v1"
+BIDIRECTIONAL_MODEL_ID = "amazon.nova-sonic-v1:0"
+MESSAGE = "Who created the Python programming language?"
+AUDIO_FILE = Path(__file__).parent / "assets" / "test.pcm"
+
+
+def create_bedrock_client(region: str) -> BedrockRuntimeClient:
+    """Helper to create a BedrockRuntimeClient for a given region."""
+    return BedrockRuntimeClient(
+        config=Config(
+            endpoint_uri=f"https://bedrock-runtime.{region}.amazonaws.com",
+            region=region,
+            aws_credentials_identity_resolver=EnvironmentCredentialsResolver(),
+        )
+    )
diff --git a/clients/aws-sdk-bedrock-runtime/tests/integration/assets/test.pcm b/clients/aws-sdk-bedrock-runtime/tests/integration/assets/test.pcm
diff --git a/clients/aws-sdk-bedrock-runtime/tests/integration/test_bidirectional_streaming.py b/clients/aws-sdk-bedrock-runtime/tests/integration/test_bidirectional_streaming.py
@@ -0,0 +1,282 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+"""Test bidirectional streaming duplex event stream handling."""
+
+import asyncio
+import base64
+import json
+import uuid
+
+from smithy_core.aio.eventstream import DuplexEventStream
+
+from aws_sdk_bedrock_runtime.models import (
+    BidirectionalInputPayloadPart,
+    InvokeModelWithBidirectionalStreamInputChunk,
+    InvokeModelWithBidirectionalStreamOperationInput,
+    InvokeModelWithBidirectionalStreamInput,
+    InvokeModelWithBidirectionalStreamOutput,
+    InvokeModelWithBidirectionalStreamOperationOutput,
+    InvokeModelWithBidirectionalStreamOutputChunk,
+)
+
+from . import AUDIO_FILE, BIDIRECTIONAL_MODEL_ID, create_bedrock_client
+
+CHUNK_SIZE = 512
+SILENCE_CHUNKS = 125
+RESPONSE_WAIT_TIME = 3
+
+DEFAULT_SYSTEM_PROMPT = (
+    "You are a friendly assistant. Keep your responses short, "
+    "generally one or two sentences."
+)
+
+START_SESSION_EVENT = """{
+    "event": {
+        "sessionStart": {
+            "inferenceConfiguration": {
+                "maxTokens": 1024,
+                "topP": 0.9,
+                "temperature": 0.7
+            }
+        }
+    }
+}"""
+
+START_PROMPT_EVENT = """{
+    "event": {
+        "promptStart": {
+            "promptName": "%s",
+            "textOutputConfiguration": {
+                "mediaType": "text/plain"
+            },
+            "audioOutputConfiguration": {
+                "mediaType": "audio/lpcm",
+                "sampleRateHertz": 24000,
+                "sampleSizeBits": 16,
+                "channelCount": 1,
+                "voiceId": "matthew",
+                "encoding": "base64",
+                "audioType": "SPEECH"
+            }
+        }
+    }
+}"""
+
+TEXT_CONTENT_START_EVENT = """{
+    "event": {
+        "contentStart": {
+            "promptName": "%s",
+            "contentName": "%s",
+            "type": "TEXT",
+            "interactive": true,
+            "role": "%s",
+            "textInputConfiguration": {
+                "mediaType": "text/plain"
+            }
+        }
+    }
+}"""
+
+TEXT_INPUT_EVENT = """{
+    "event": {
+        "textInput": {
+            "promptName": "%s",
+            "contentName": "%s",
+            "content": "%s"
+        }
+    }
+}"""
+
+CONTENT_END_EVENT = """{
+    "event": {
+        "contentEnd": {
+            "promptName": "%s",
+            "contentName": "%s"
+        }
+    }
+}"""
+
+AUDIO_CONTENT_START_EVENT = """{
+    "event": {
+        "contentStart": {
+            "promptName": "%s",
+            "contentName": "%s",
+            "type": "AUDIO",
+            "interactive": true,
+            "role": "USER",
+            "audioInputConfiguration": {
+                "mediaType": "audio/lpcm",
+                "sampleRateHertz": 16000,
+                "sampleSizeBits": 16,
+                "channelCount": 1,
+                "audioType": "SPEECH",
+                "encoding": "base64"
+            }
+        }
+    }
+}"""
+
+AUDIO_INPUT_EVENT = """{
+    "event": {
+        "audioInput": {
+            "promptName": "%s",
+            "contentName": "%s",
+            "content": "%s"
+        }
+    }
+}"""
+
+PROMPT_END_EVENT = """{
+    "event": {
+        "promptEnd": {
+            "promptName": "%s"
+        }
+    }
+}"""
+
+SESSION_END_EVENT = """{
+    "event": {
+        "sessionEnd": {}
+    }
+}"""
+
+
+async def _send_event(
+    stream: DuplexEventStream[
+        InvokeModelWithBidirectionalStreamInput,
+        InvokeModelWithBidirectionalStreamOutput,
+        InvokeModelWithBidirectionalStreamOperationOutput,
+    ],
+    event_json: str,
+) -> None:
+    """Send a raw event JSON string to the Bedrock stream."""
+    event = InvokeModelWithBidirectionalStreamInputChunk(
+        value=BidirectionalInputPayloadPart(bytes_=event_json.encode("utf-8"))
+    )
+    await stream.input_stream.send(event)
+
+
+async def _send_audio_chunks(
+    stream: DuplexEventStream[
+        InvokeModelWithBidirectionalStreamInput,
+        InvokeModelWithBidirectionalStreamOutput,
+        InvokeModelWithBidirectionalStreamOperationOutput,
+    ],
+    prompt_name: str,
+    audio_content_name: str,
+) -> None:
+    """Send audio chunks from file simulating real-time delay."""
+    chunk_count = 0
+    with AUDIO_FILE.open("rb") as f:
+        while chunk := f.read(CHUNK_SIZE):
+            chunk_count += 1
+            encoded_chunk = base64.b64encode(chunk).decode("utf-8")
+            await _send_event(
+                stream,
+                AUDIO_INPUT_EVENT % (prompt_name, audio_content_name, encoded_chunk),
+            )
+            # 512 bytes / (16000 Hz * 2 bytes/sample) = 0.016s per chunk
+            await asyncio.sleep(0.016)
+
+    assert chunk_count > 0, f"No audio chunks were sent from {AUDIO_FILE}"
+
+    silence_chunk = bytes(CHUNK_SIZE)
+    encoded_silence = base64.b64encode(silence_chunk).decode("utf-8")
+    for _ in range(SILENCE_CHUNKS):
+        await _send_event(
+            stream,
+            AUDIO_INPUT_EVENT % (prompt_name, audio_content_name, encoded_silence),
+        )
+        await asyncio.sleep(0.016)
+
+    await _send_event(stream, CONTENT_END_EVENT % (prompt_name, audio_content_name))
+    await asyncio.sleep(RESPONSE_WAIT_TIME)
+    await _send_event(stream, PROMPT_END_EVENT % prompt_name)
+    await _send_event(stream, SESSION_END_EVENT)
+
+
+async def _receive_stream_output(
+    stream: DuplexEventStream[
+        InvokeModelWithBidirectionalStreamInput,
+        InvokeModelWithBidirectionalStreamOutput,
+        InvokeModelWithBidirectionalStreamOperationOutput,
+    ],
+) -> tuple[bool, bool, list[str]]:
+    """Receive and collect output from the bidirectional stream.
+
+    Returns:
+        Tuple of (got_text, got_audio, all_text_output)
+    """
+    got_text = False
+    got_audio = False
+    all_text_output: list[str] = []
+
+    await stream.await_output()
+    output_stream = stream.output_stream
+    if output_stream is None:
+        return got_text, got_audio, all_text_output
+
+    async for out in output_stream:
+        if not isinstance(out, InvokeModelWithBidirectionalStreamOutputChunk):
+            raise RuntimeError(
+                f"Received unexpected event type in stream: {type(out).__name__}"
+            )
+
+        payload = out.value.bytes_
+        if not payload:
+            continue
+
+        msg = json.loads(payload.decode("utf-8"))
+        event_data = msg.get("event", {})
+
+        if "textOutput" in event_data:
+            got_text = True
+            text_content = event_data["textOutput"].get("content", "")
+            all_text_output.append(text_content)
+        if "audioOutput" in event_data:
+            got_audio = True
+        if "completionEnd" in event_data:
+            break
+
+    return got_text, got_audio, all_text_output
+
+
+async def test_invoke_model_with_bidirectional_stream() -> None:
+    """Test bidirectional streaming with audio input and text/audio output."""
+    bedrock_client = create_bedrock_client("us-east-1")
+
+    stream = await bedrock_client.invoke_model_with_bidirectional_stream(
+        InvokeModelWithBidirectionalStreamOperationInput(
+            model_id=BIDIRECTIONAL_MODEL_ID
+        )
+    )
+
+    prompt_name = str(uuid.uuid4())
+    content_name = str(uuid.uuid4())
+    audio_content_name = str(uuid.uuid4())
+
+    init_events = [
+        START_SESSION_EVENT,
+        START_PROMPT_EVENT % prompt_name,
+        TEXT_CONTENT_START_EVENT % (prompt_name, content_name, "SYSTEM"),
+        TEXT_INPUT_EVENT % (prompt_name, content_name, DEFAULT_SYSTEM_PROMPT),
+        CONTENT_END_EVENT % (prompt_name, content_name),
+    ]
+
+    for event in init_events:
+        await _send_event(stream, event)
+
+    await _send_event(
+        stream, AUDIO_CONTENT_START_EVENT % (prompt_name, audio_content_name)
+    )
+
+    results = await asyncio.gather(
+        _send_audio_chunks(stream, prompt_name, audio_content_name),
+        _receive_stream_output(stream),
+    )
+    got_text, got_audio, all_text_output = results[1]
+
+    assert got_text, "Expected to receive text output"
+    assert got_audio, "Expected to receive audio output"
+    assert len(all_text_output) > 0, "Expected non-empty text output"
diff --git a/clients/aws-sdk-bedrock-runtime/tests/integration/test_non_streaming.py b/clients/aws-sdk-bedrock-runtime/tests/integration/test_non_streaming.py
@@ -0,0 +1,37 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+"""Test non-streaming output type handling."""
+
+from aws_sdk_bedrock_runtime.models import (
+    ContentBlockText,
+    ConverseInput,
+    ConverseOperationOutput,
+    ConverseOutputMessage,
+    Message,
+)
+
+from . import MESSAGE, MODEL_ID, create_bedrock_client
+
+
+async def test_converse() -> None:
+    bedrock_client = create_bedrock_client("us-west-2")
+
+    input_message = Message(role="user", content=[ContentBlockText(value=MESSAGE)])
+    response = await bedrock_client.converse(
+        ConverseInput(model_id=MODEL_ID, messages=[input_message])
+    )
+
+    assert isinstance(response, ConverseOperationOutput)
+    assert isinstance(response.output, ConverseOutputMessage)
+
+    output_message = response.output.value
+    assert output_message.role == "assistant"
+    assert len(output_message.content) > 0
+
+    content_block = output_message.content[0]
+    assert isinstance(content_block, ContentBlockText)
+    assert isinstance(content_block.value, str) and content_block.value
+
+    assert response.usage.input_tokens > 0
+    assert response.usage.output_tokens > 0
diff --git a/clients/aws-sdk-bedrock-runtime/tests/integration/test_output_streaming.py b/clients/aws-sdk-bedrock-runtime/tests/integration/test_output_streaming.py
