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from __future__ import annotations
import os
from typing import cast
from typing_extensions import Protocol
import httpx
import pytest
from respx import MockRouter
from anthropic import AnthropicVertex, AsyncAnthropicVertex
base_url = os.environ.get("TEST_API_BASE_URL", "http://127.0.0.1:4010")
class MockRequestCall(Protocol):
request: httpx.Request
class TestAnthropicVertex:
client = AnthropicVertex(region="region", project_id="project", access_token="my-access-token")
@pytest.mark.respx()
def test_messages_retries(self, respx_mock: MockRouter) -> None:
request_url = "https://region-aiplatform.googleapis.com/v1/projects/project/locations/region/publishers/anthropic/models/claude-3-sonnet@20240229:rawPredict"
respx_mock.post(request_url).mock(
side_effect=[
httpx.Response(500, json={"error": "server error"}, headers={"retry-after-ms": "10"}),
httpx.Response(200, json={"foo": "bar"}),
]
)
self.client.messages.create(
max_tokens=1024,
messages=[
{
"role": "user",
"content": "Say hello there!",
}
],
model="claude-3-sonnet@20240229",
)
calls = cast("list[MockRequestCall]", respx_mock.calls)
assert len(calls) == 2
assert calls[0].request.url == request_url
assert calls[1].request.url == request_url
def test_copy(self) -> None:
copied = self.client.copy()
assert id(copied) != id(self.client)
copied = self.client.copy(region="another-region", project_id="another-project")
assert copied.region == "another-region"
assert self.client.region == "region"
assert copied.project_id == "another-project"
assert self.client.project_id == "project"
def test_with_options(self) -> None:
copied = self.client.with_options(region="another-region", project_id="another-project")
assert copied.region == "another-region"
assert self.client.region == "region"
assert copied.project_id == "another-project"
assert self.client.project_id == "project"
def test_copy_default_options(self) -> None:
# options that have a default are overridden correctly
copied = self.client.copy(max_retries=7)
assert copied.max_retries == 7
assert self.client.max_retries == 2
copied2 = copied.copy(max_retries=6)
assert copied2.max_retries == 6
assert copied.max_retries == 7
# timeout
assert isinstance(self.client.timeout, httpx.Timeout)
copied = self.client.copy(timeout=None)
assert copied.timeout is None
assert isinstance(self.client.timeout, httpx.Timeout)
def test_copy_default_headers(self) -> None:
client = AnthropicVertex(
base_url=base_url,
region="region",
project_id="project",
_strict_response_validation=True,
default_headers={"X-Foo": "bar"},
)
assert client.default_headers["X-Foo"] == "bar"
# does not override the already given value when not specified
copied = client.copy()
assert copied.default_headers["X-Foo"] == "bar"
# merges already given headers
copied = client.copy(default_headers={"X-Bar": "stainless"})
assert copied.default_headers["X-Foo"] == "bar"
assert copied.default_headers["X-Bar"] == "stainless"
# uses new values for any already given headers
copied = client.copy(default_headers={"X-Foo": "stainless"})
assert copied.default_headers["X-Foo"] == "stainless"
# set_default_headers
# completely overrides already set values
copied = client.copy(set_default_headers={})
assert copied.default_headers.get("X-Foo") is None
copied = client.copy(set_default_headers={"X-Bar": "Robert"})
assert copied.default_headers["X-Bar"] == "Robert"
with pytest.raises(
ValueError,
match="`default_headers` and `set_default_headers` arguments are mutually exclusive",
):
client.copy(set_default_headers={}, default_headers={"X-Foo": "Bar"})
def test_global_region_base_url(self) -> None:
"""Test that global region uses the correct base URL."""
client = AnthropicVertex(region="global", project_id="test-project", access_token="fake-token")
assert str(client.base_url).rstrip("/") == "https://aiplatform.googleapis.com/v1"
@pytest.mark.parametrize("region", ["us-central1", "europe-west1", "asia-southeast1"])
def test_regional_base_url(self, region: str) -> None:
"""Test that regional endpoints use the correct base URL format."""
client = AnthropicVertex(region=region, project_id="test-project", access_token="fake-token")
expected_url = f"https://{region}-aiplatform.googleapis.com/v1"
assert str(client.base_url).rstrip("/") == expected_url
def test_env_var_base_url_override(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that ANTHROPIC_VERTEX_BASE_URL environment variable does not override client arg."""
test_url = "https://custom-endpoint.googleapis.com/v1"
monkeypatch.setenv("ANTHROPIC_VERTEX_BASE_URL", test_url)
client = AnthropicVertex(
region="global", # we expect this to get ignored since the user is providing a base_url
project_id="test-project",
access_token="fake-token",
base_url="https://test.googleapis.com/v1",
)
assert str(client.base_url).rstrip("/") == "https://test.googleapis.com/v1"
class TestAsyncAnthropicVertex:
client = AsyncAnthropicVertex(region="region", project_id="project", access_token="my-access-token")
@pytest.mark.respx()
@pytest.mark.asyncio()
async def test_messages_retries(self, respx_mock: MockRouter) -> None:
request_url = "https://region-aiplatform.googleapis.com/v1/projects/project/locations/region/publishers/anthropic/models/claude-3-sonnet@20240229:rawPredict"
respx_mock.post(request_url).mock(
side_effect=[
httpx.Response(500, json={"error": "server error"}, headers={"retry-after-ms": "10"}),
httpx.Response(200, json={"foo": "bar"}),
]
)
await self.client.with_options(timeout=0.2).messages.create(
max_tokens=1024,
messages=[
{
"role": "user",
"content": "Say hello there!",
}
],
model="claude-3-sonnet@20240229",
)
calls = cast("list[MockRequestCall]", respx_mock.calls)
assert len(calls) == 2
assert calls[0].request.url == request_url
assert calls[1].request.url == request_url
def test_copy(self) -> None:
copied = self.client.copy()
assert id(copied) != id(self.client)
copied = self.client.copy(region="another-region", project_id="another-project")
assert copied.region == "another-region"
assert self.client.region == "region"
assert copied.project_id == "another-project"
assert self.client.project_id == "project"
def test_with_options(self) -> None:
copied = self.client.with_options(region="another-region", project_id="another-project")
assert copied.region == "another-region"
assert self.client.region == "region"
assert copied.project_id == "another-project"
assert self.client.project_id == "project"
def test_copy_default_options(self) -> None:
# options that have a default are overridden correctly
copied = self.client.copy(max_retries=7)
assert copied.max_retries == 7
assert self.client.max_retries == 2
copied2 = copied.copy(max_retries=6)
assert copied2.max_retries == 6
assert copied.max_retries == 7
# timeout
assert isinstance(self.client.timeout, httpx.Timeout)
copied = self.client.copy(timeout=None)
assert copied.timeout is None
assert isinstance(self.client.timeout, httpx.Timeout)
def test_copy_default_headers(self) -> None:
client = AsyncAnthropicVertex(
base_url=base_url,
region="region",
project_id="project",
_strict_response_validation=True,
default_headers={"X-Foo": "bar"},
)
assert client.default_headers["X-Foo"] == "bar"
# does not override the already given value when not specified
copied = client.copy()
assert copied.default_headers["X-Foo"] == "bar"
# merges already given headers
copied = client.copy(default_headers={"X-Bar": "stainless"})
assert copied.default_headers["X-Foo"] == "bar"
assert copied.default_headers["X-Bar"] == "stainless"
# uses new values for any already given headers
copied = client.copy(default_headers={"X-Foo": "stainless"})
assert copied.default_headers["X-Foo"] == "stainless"
# set_default_headers
# completely overrides already set values
copied = client.copy(set_default_headers={})
assert copied.default_headers.get("X-Foo") is None
copied = client.copy(set_default_headers={"X-Bar": "Robert"})
assert copied.default_headers["X-Bar"] == "Robert"
with pytest.raises(
ValueError,
match="`default_headers` and `set_default_headers` arguments are mutually exclusive",
):
client.copy(set_default_headers={}, default_headers={"X-Foo": "Bar"})
def test_global_region_base_url(self) -> None:
"""Test that global region uses the correct base URL."""
client = AsyncAnthropicVertex(region="global", project_id="test-project", access_token="fake-token")
assert str(client.base_url).rstrip("/") == "https://aiplatform.googleapis.com/v1"
def test_regional_base_url(self) -> None:
"""Test that regional endpoints use the correct base URL format."""
test_regions = ["us-central1", "europe-west1", "asia-southeast1"]
for region in test_regions:
client = AsyncAnthropicVertex(region=region, project_id="test-project", access_token="fake-token")
expected_url = f"https://{region}-aiplatform.googleapis.com/v1"
assert str(client.base_url).rstrip("/") == expected_url
def test_env_var_base_url_override(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that ANTHROPIC_VERTEX_BASE_URL environment variable does not override client arg."""
test_url = "https://custom-endpoint.googleapis.com/v1"
monkeypatch.setenv("ANTHROPIC_VERTEX_BASE_URL", test_url)
client = AsyncAnthropicVertex(
region="global", # we expect this to get ignored since the user is providing a base_url
project_id="test-project",
access_token="fake-token",
base_url="https://test.googleapis.com/v1",
)
assert str(client.base_url).rstrip("/") == "https://test.googleapis.com/v1"
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