208 lines
7.2 KiB
Python
208 lines
7.2 KiB
Python
import copy
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import gc
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import warnings
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from functools import wraps
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from moto import settings
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from moto.s3 import models as s3model
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from moto.s3.responses import S3ResponseInstance
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from unittest import SkipTest, TestCase
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def verify_zero_warnings(f):
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@wraps(f)
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def wrapped(*args, **kwargs):
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with warnings.catch_warnings(record=True) as warning_list:
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warnings.simplefilter("always", ResourceWarning) # add filter
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resp = f(*args, **kwargs)
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# Get the TestClass reference, and reset the S3Backend that we've created as part of that class
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(class_ref,) = args
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class_ref.__dict__["s3"].reset()
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# Now collect garbage, which will throw any warnings if there are unclosed FileHandles
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gc.collect()
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warning_types = [type(warn.message) for warn in warning_list]
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warning_types.shouldnt.contain(ResourceWarning)
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return resp
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return wrapped
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class TestS3FileHandleClosures(TestCase):
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"""
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Large Uploads are written to disk for performance reasons
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These tests verifies that the filehandles are properly closed after specific actions
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"""
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def setUp(self) -> None:
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if settings.TEST_SERVER_MODE:
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raise SkipTest("No point in testing ServerMode, we're not using boto3")
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self.s3 = s3model.S3Backend("us-west-1", "1234")
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self.s3.create_bucket("my-bucket", "us-west-1")
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self.s3.create_bucket("versioned-bucket", "us-west-1")
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self.s3.put_object("my-bucket", "my-key", "x" * 10_000_000)
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def tearDown(self) -> None:
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self.s3.reset()
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@verify_zero_warnings
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def test_upload_large_file(self):
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# Verify that we can create an object, as done in the setUp-method
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# Do not create any other objects, as it will taint the state that we're testing
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pass
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@verify_zero_warnings
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def test_delete_large_file(self):
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self.s3.delete_object(bucket_name="my-bucket", key_name="my-key")
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@verify_zero_warnings
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def test_overwriting_file(self):
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self.s3.put_object("my-bucket", "my-key", "b" * 10_000_000)
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@verify_zero_warnings
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def test_versioned_file(self):
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self.s3.put_bucket_versioning("my-bucket", "Enabled")
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self.s3.put_object("my-bucket", "my-key", "b" * 10_000_000)
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@verify_zero_warnings
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def test_copy_object(self):
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key = self.s3.get_object("my-bucket", "my-key")
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self.s3.copy_object(
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src_key=key, dest_bucket_name="my-bucket", dest_key_name="key-2"
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)
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@verify_zero_warnings
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def test_part_upload(self):
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multipart_id = self.s3.create_multipart_upload(
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bucket_name="my-bucket",
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key_name="mp-key",
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metadata={},
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storage_type="STANDARD",
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tags=[],
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acl=None,
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sse_encryption=None,
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kms_key_id=None,
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)
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self.s3.upload_part(
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bucket_name="my-bucket",
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multipart_id=multipart_id,
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part_id=1,
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value="b" * 10_000_000,
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)
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@verify_zero_warnings
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def test_overwriting_part_upload(self):
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multipart_id = self.s3.create_multipart_upload(
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bucket_name="my-bucket",
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key_name="mp-key",
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metadata={},
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storage_type="STANDARD",
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tags=[],
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acl=None,
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sse_encryption=None,
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kms_key_id=None,
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)
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self.s3.upload_part(
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bucket_name="my-bucket",
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multipart_id=multipart_id,
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part_id=1,
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value="b" * 10_000_000,
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)
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self.s3.upload_part(
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bucket_name="my-bucket",
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multipart_id=multipart_id,
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part_id=1,
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value="c" * 10_000_000,
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)
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@verify_zero_warnings
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def test_aborting_part_upload(self):
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multipart_id = self.s3.create_multipart_upload(
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bucket_name="my-bucket",
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key_name="mp-key",
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metadata={},
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storage_type="STANDARD",
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tags=[],
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acl=None,
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sse_encryption=None,
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kms_key_id=None,
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)
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self.s3.upload_part(
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bucket_name="my-bucket",
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multipart_id=multipart_id,
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part_id=1,
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value="b" * 10_000_000,
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)
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self.s3.abort_multipart_upload(
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bucket_name="my-bucket", multipart_id=multipart_id
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)
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@verify_zero_warnings
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def test_completing_part_upload(self):
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multipart_id = self.s3.create_multipart_upload(
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bucket_name="my-bucket",
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key_name="mp-key",
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metadata={},
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storage_type="STANDARD",
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tags=[],
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acl=None,
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sse_encryption=None,
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kms_key_id=None,
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)
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etag = self.s3.upload_part(
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bucket_name="my-bucket",
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multipart_id=multipart_id,
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part_id=1,
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value="b" * 10_000_000,
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).etag
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mp_body = f"""<CompleteMultipartUpload xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Part><ETag>{etag}</ETag><PartNumber>1</PartNumber></Part></CompleteMultipartUpload>"""
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body = S3ResponseInstance._complete_multipart_body(mp_body)
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self.s3.complete_multipart_upload(
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bucket_name="my-bucket", multipart_id=multipart_id, body=body
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)
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@verify_zero_warnings
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def test_single_versioned_upload(self):
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self.s3.put_object("versioned-bucket", "my-key", "x" * 10_000_000)
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@verify_zero_warnings
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def test_overwrite_versioned_upload(self):
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self.s3.put_object("versioned-bucket", "my-key", "x" * 10_000_000)
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@verify_zero_warnings
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def test_multiple_versions_upload(self):
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self.s3.put_object("versioned-bucket", "my-key", "x" * 10_000_000)
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self.s3.put_object("versioned-bucket", "my-key", "y" * 10_000_000)
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self.s3.put_object("versioned-bucket", "my-key", "z" * 10_000_000)
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@verify_zero_warnings
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def test_delete_versioned_upload(self):
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self.s3.put_object("versioned-bucket", "my-key", "x" * 10_000_000)
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self.s3.put_object("versioned-bucket", "my-key", "x" * 10_000_000)
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self.s3.delete_object(bucket_name="my-bucket", key_name="my-key")
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@verify_zero_warnings
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def test_delete_specific_version(self):
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self.s3.put_object("versioned-bucket", "my-key", "x" * 10_000_000)
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key = self.s3.put_object("versioned-bucket", "my-key", "y" * 10_000_000)
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self.s3.delete_object(
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bucket_name="my-bucket", key_name="my-key", version_id=key._version_id
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)
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def test_verify_key_can_be_copied_after_disposing():
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# https://github.com/getmoto/moto/issues/5588
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# Multithreaded bug where:
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# - User: calls list_object_versions
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# - Moto creates a list of all keys
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# - User: deletes a key
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# - Moto iterates over the previously created list, that contains a now-deleted key, and creates a copy of it
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#
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# This test verifies the copy-operation succeeds, it will just not have any data
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key = s3model.FakeKey(name="test", bucket_name="bucket", value="sth")
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assert not key._value_buffer.closed
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key.dispose()
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assert key._value_buffer.closed
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copied_key = copy.copy(key)
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copied_key.value.should.equal(b"")
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