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Google Team MemberandCopybara-Service
0a5cf45a75
Eval results will be stored as json files under `gs://{bucket_name}/{app_name}/evals/eval_history/`
PiperOrigin-RevId: 770499242
118 lines
3.0 KiB
Python
118 lines
3.0 KiB
Python
from typing import Optional
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from typing import Union
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class MockBlob:
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"""Mocks a GCS Blob object.
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This class provides mock implementations for a few common GCS Blob methods,
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allowing the user to test code that interacts with GCS without actually
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connecting to a real bucket.
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"""
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def __init__(self, name: str) -> None:
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"""Initializes a MockBlob.
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Args:
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name: The name of the blob.
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"""
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self.name = name
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self.content: Optional[bytes] = None
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self.content_type: Optional[str] = None
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self._exists: bool = False
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def upload_from_string(
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self, data: Union[str, bytes], content_type: Optional[str] = None
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) -> None:
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"""Mocks uploading data to the blob (from a string or bytes).
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Args:
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data: The data to upload (string or bytes).
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content_type: The content type of the data (optional).
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"""
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if isinstance(data, str):
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self.content = data.encode("utf-8")
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elif isinstance(data, bytes):
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self.content = data
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else:
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raise TypeError("data must be str or bytes")
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if content_type:
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self.content_type = content_type
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self._exists = True
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def download_as_text(self) -> str:
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"""Mocks downloading the blob's content as text.
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Returns:
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str: The content of the blob as text.
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Raises:
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Exception: If the blob doesn't exist (hasn't been uploaded to).
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"""
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if self.content is None:
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return b""
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return self.content
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def delete(self) -> None:
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"""Mocks deleting a blob."""
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self.content = None
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self.content_type = None
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self._exists = False
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def exists(self) -> bool:
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"""Mocks checking if the blob exists."""
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return self._exists
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class MockBucket:
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"""Mocks a GCS Bucket object."""
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def __init__(self, name: str) -> None:
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"""Initializes a MockBucket.
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Args:
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name: The name of the bucket.
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"""
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self.name = name
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self.blobs: dict[str, MockBlob] = {}
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def blob(self, blob_name: str) -> MockBlob:
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"""Mocks getting a Blob object (doesn't create it in storage).
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Args:
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blob_name: The name of the blob.
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Returns:
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A MockBlob instance.
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"""
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if blob_name not in self.blobs:
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self.blobs[blob_name] = MockBlob(blob_name)
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return self.blobs[blob_name]
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def list_blobs(self, prefix: Optional[str] = None) -> list[MockBlob]:
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"""Mocks listing blobs in a bucket, optionally with a prefix."""
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if prefix:
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return [
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blob for name, blob in self.blobs.items() if name.startswith(prefix)
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]
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return list(self.blobs.values())
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def exists(self) -> bool:
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"""Mocks checking if the bucket exists."""
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return True
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class MockClient:
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"""Mocks the GCS Client."""
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def __init__(self) -> None:
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"""Initializes MockClient."""
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self.buckets: dict[str, MockBucket] = {}
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def bucket(self, bucket_name: str) -> MockBucket:
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"""Mocks getting a Bucket object."""
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if bucket_name not in self.buckets:
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self.buckets[bucket_name] = MockBucket(bucket_name)
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return self.buckets[bucket_name]
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