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from abc import ABC, abstractmethod
import anthropic
import pytest
class BaseAnthropicMessagesTest(ABC):
"""
Abstract base test class that enforces a common test across all test classes.
"""
@abstractmethod
def get_client(self):
return anthropic.Anthropic()
def test_anthropic_basic_completion(self):
print("making basic completion request to anthropic passthrough")
client = self.get_client()
response = client.messages.create(
model="claude-3-5-sonnet-20241022",
max_tokens=1024,
messages=[{"role": "user", "content": "Say 'hello test' and nothing else"}],
extra_body={
"litellm_metadata": {
"tags": ["test-tag-1", "test-tag-2"],
}
},
)
print(response)
def test_anthropic_streaming(self):
print("making streaming request to anthropic passthrough")
collected_output = []
client = self.get_client()
with client.messages.stream(
max_tokens=10,
messages=[
{"role": "user", "content": "Say 'hello stream test' and nothing else"}
],
model="claude-3-5-sonnet-20241022",
extra_body={
"litellm_metadata": {
"tags": ["test-tag-stream-1", "test-tag-stream-2"],
}
},
) as stream:
for text in stream.text_stream:
collected_output.append(text)
full_response = "".join(collected_output)
print(full_response)
def test_anthropic_messages_with_thinking(self):
print("making request to anthropic passthrough with thinking")
client = self.get_client()
response = client.messages.create(
model="claude-3-7-sonnet-20250219",
max_tokens=20000,
thinking={"type": "enabled", "budget_tokens": 16000},
messages=[
{"role": "user", "content": "Just pinging with thinking enabled"}
],
)
print(response)
# Verify the first content block is a thinking block
response_thinking = response.content[0].thinking
assert response_thinking is not None
assert len(response_thinking) > 0
def test_anthropic_streaming_with_thinking(self):
print("making streaming request to anthropic passthrough with thinking enabled")
collected_thinking = []
collected_response = []
client = self.get_client()
with client.messages.stream(
model="claude-3-7-sonnet-20250219",
max_tokens=20000,
thinking={"type": "enabled", "budget_tokens": 16000},
messages=[
{"role": "user", "content": "Just pinging with thinking enabled"}
],
) as stream:
for event in stream:
if event.type == "content_block_delta":
if event.delta.type == "thinking_delta":
collected_thinking.append(event.delta.thinking)
elif event.delta.type == "text_delta":
collected_response.append(event.delta.text)
full_thinking = "".join(collected_thinking)
full_response = "".join(collected_response)
print(
f"Thinking Response: {full_thinking[:100]}..."
) # Print first 100 chars of thinking
print(f"Response: {full_response}")
# Verify we received thinking content
assert len(collected_thinking) > 0
assert len(full_thinking) > 0
# Verify we also received a response
assert len(collected_response) > 0
assert len(full_response) > 0
def test_bad_request_error_handling_streaming(self):
print("making request to anthropic passthrough with bad request")
try:
client = self.get_client()
response = client.messages.create(
model="claude-3-5-sonnet-20241022",
max_tokens=10,
stream=True,
messages=["hi"],
)
print(response)
assert pytest.fail("Expected BadRequestError")
except anthropic.BadRequestError as e:
print("Got BadRequestError from anthropic, e=", e)
print(e.__cause__)
print(e.status_code)
print(e.response)
except Exception as e:
pytest.fail(f"Got unexpected exception: {e}")
def test_bad_request_error_handling_non_streaming(self):
print("making request to anthropic passthrough with bad request")
try:
client = self.get_client()
response = client.messages.create(
model="claude-3-5-sonnet-20241022",
max_tokens=10,
messages=["hi"],
)
print(response)
assert pytest.fail("Expected BadRequestError")
except anthropic.BadRequestError as e:
print("Got BadRequestError from anthropic, e=", e)
print(e.__cause__)
print(e.status_code)
print(e.response)
except Exception as e:
pytest.fail(f"Got unexpected exception: {e}")
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