[#338] Automation of PATCH method in S3

Signed-off-by: Kirill Sosnovskikh <k.sosnovskikh@yadro.com>

pytest_tests/testsuites/conftest.py

@@ -15,6 +15,7 @@ from frostfs_testlib.resources import optionals
 from frostfs_testlib.resources.common import COMPLEX_OBJECT_CHUNKS_COUNT, COMPLEX_OBJECT_TAIL_SIZE, SIMPLE_OBJECT_SIZE
 from frostfs_testlib.s3 import AwsCliClient, Boto3ClientWrapper, S3ClientWrapper, VersioningStatus
 from frostfs_testlib.s3.interfaces import BucketContainerResolver
+from frostfs_testlib.s3.s3_http_client import S3HttpClient
 from frostfs_testlib.shell import LocalShell, Shell
 from frostfs_testlib.steps.cli.container import DEFAULT_EC_PLACEMENT_RULE, DEFAULT_PLACEMENT_RULE, FROSTFS_CLI_EXEC
 from frostfs_testlib.steps.cli.object import get_netmap_netinfo
@@ -301,6 +302,20 @@ def s3_client(
     return client
 
 
+@allure.title("[Session] Create S3 http client")
+@pytest.fixture(scope="session")
+def s3_http_client(
+    default_user: User, s3_policy: Optional[str], cluster: Cluster, credentials_provider: CredentialsProvider
+) -> S3HttpClient:
+    node = cluster.cluster_nodes[0]
+    credentials_provider.S3.provide(default_user, node, s3_policy)
+    return S3HttpClient(
+        cluster.default_s3_gate_endpoint,
+        default_user.s3_credentials.access_key,
+        default_user.s3_credentials.secret_key,
+    )
+
+
 @pytest.fixture
 def versioning_status(request: pytest.FixtureRequest) -> VersioningStatus:
     if "param" in request.__dict__:
@@ -443,6 +458,14 @@ def default_user(credentials_provider: CredentialsProvider, cluster: Cluster) ->
     return user
 
 
+@pytest.fixture(scope="session")
+@cached_fixture(optionals.OPTIONAL_CACHE_FIXTURES)
+def users_pool(credentials_provider: CredentialsProvider, cluster: Cluster) -> list[User]:
+    users = [User(string_utils.unique_name("user-")) for _ in range(WALLTETS_IN_POOL)]
+    parallel(credentials_provider.GRPC.provide, users, cluster_node=cluster.cluster_nodes[0])
+    return users
+
+
 @reporter.step("Get wallet for default user")
 @pytest.fixture(scope="session")
 def default_wallet(default_user: User) -> WalletInfo:
@@ -451,11 +474,8 @@ def default_wallet(default_user: User) -> WalletInfo:
 
 @pytest.fixture(scope="session")
 @cached_fixture(optionals.OPTIONAL_CACHE_FIXTURES)
-def wallets_pool(credentials_provider: CredentialsProvider, cluster: Cluster) -> list[WalletInfo]:
+def wallets_pool(users_pool: list[User]) -> list[WalletInfo]:
-    users = [User(string_utils.unique_name("user-")) for _ in range(WALLTETS_IN_POOL)]
+    return [user.wallet for user in users_pool]
-    parallel(credentials_provider.GRPC.provide, users, cluster_node=cluster.cluster_nodes[0])
-
-    return [user.wallet for user in users]
 
 
 @pytest.fixture(scope="session")

pytest_tests/testsuites/services/s3_gate/test_s3_ACL.py

@@ -33,32 +33,32 @@ class TestS3GateACL:
     def test_s3_create_bucket_with_ACL(self, s3_client: S3ClientWrapper):
         with reporter.step("Create bucket with ACL private"):
             bucket = s3_client.create_bucket(object_lock_enabled_for_bucket=True, acl="private")
-            bucket_grants = s3_client.get_bucket_acl(bucket)
+            bucket_grants = s3_client.get_bucket_acl(bucket).get("Grants")
             s3_helper.verify_acl_permissions(bucket_grants, PRIVATE_GRANTS)
 
         with reporter.step("Create bucket with ACL public-read"):
             read_bucket = s3_client.create_bucket(object_lock_enabled_for_bucket=True, acl="public-read")
-            bucket_grants = s3_client.get_bucket_acl(read_bucket)
+            bucket_grants = s3_client.get_bucket_acl(read_bucket).get("Grants")
             s3_helper.verify_acl_permissions(bucket_grants, PUBLIC_READ_GRANTS)
 
         with reporter.step("Create bucket with ACL public-read-write"):
             public_rw_bucket = s3_client.create_bucket(object_lock_enabled_for_bucket=True, acl="public-read-write")
-            bucket_grants = s3_client.get_bucket_acl(public_rw_bucket)
+            bucket_grants = s3_client.get_bucket_acl(public_rw_bucket).get("Grants")
             s3_helper.verify_acl_permissions(bucket_grants, PUBLIC_READ_WRITE_GRANTS)
 
     @allure.title("Bucket ACL (s3_client={s3_client})")
     def test_s3_bucket_ACL(self, s3_client: S3ClientWrapper):
         with reporter.step("Create bucket with public-read-write ACL"):
             bucket = s3_client.create_bucket(object_lock_enabled_for_bucket=True, acl="public-read-write")
-            bucket_grants = s3_client.get_bucket_acl(bucket)
+            bucket_grants = s3_client.get_bucket_acl(bucket).get("Grants")
             s3_helper.verify_acl_permissions(bucket_grants, PUBLIC_READ_WRITE_GRANTS)
 
         with reporter.step("Change bucket ACL to private"):
             s3_client.put_bucket_acl(bucket, acl="private")
-            bucket_grants = s3_client.get_bucket_acl(bucket)
+            bucket_grants = s3_client.get_bucket_acl(bucket).get("Grants")
             s3_helper.verify_acl_permissions(bucket_grants, PRIVATE_GRANTS)
 
         with reporter.step("Change bucket ACL to public-read"):
             s3_client.put_bucket_acl(bucket, acl="public-read")
-            bucket_grants = s3_client.get_bucket_acl(bucket)
+            bucket_grants = s3_client.get_bucket_acl(bucket).get("Grants")
             s3_helper.verify_acl_permissions(bucket_grants, PUBLIC_READ_GRANTS)

pytest_tests/testsuites/services/s3_gate/test_s3_http_object.py

@@ -0,0 +1,624 @@
+import random
+import time
+from datetime import datetime
+from email.utils import formatdate
+
+import allure
+import pytest
+from frostfs_testlib import reporter
+from frostfs_testlib.cli.generic_cli import GenericCli
+from frostfs_testlib.credentials.interfaces import CredentialsProvider, User
+from frostfs_testlib.s3.boto3_client import Boto3ClientWrapper
+from frostfs_testlib.s3.interfaces import S3ClientWrapper, VersioningStatus
+from frostfs_testlib.s3.s3_http_client import S3HttpClient
+from frostfs_testlib.shell.interfaces import CommandOptions
+from frostfs_testlib.shell.local_shell import LocalShell
+from frostfs_testlib.steps.s3 import s3_helper
+from frostfs_testlib.storage.cluster import Cluster, ClusterNode
+from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
+from frostfs_testlib.storage.dataclasses.policy import PlacementPolicy
+from frostfs_testlib.testing.cluster_test_base import ClusterTestBase
+from frostfs_testlib.utils.file_utils import TestFile, generate_file, get_file_hash, split_file
+from frostfs_testlib.utils.string_utils import unique_name
+
+from ....resources.common import S3_POLICY_FILE_LOCATION
+
+FIVE_GIGABYTES = 5_368_709_120
+PART_SIZE_FOR_MULTIPART = 5 * 1024 * 1024
+
+
+@reporter.step("Allow patch for bucket")
+def allow_patch_for_bucket(s3_client: S3ClientWrapper, bucket: str):
+    s3_client.put_bucket_policy(
+        bucket,
+        policy={
+            "Version": "2012-10-17",
+            "Id": "aaaa-bbbb-cccc-dddd",
+            "Statement": [
+                {
+                    "Sid": "AddPerm",
+                    "Effect": "Allow",
+                    "Principal": "*",
+                    "Action": ["s3:PatchObject"],
+                    "Resource": [f"arn:aws:s3:::{bucket}/*"],
+                },
+            ],
+        },
+    )
+
+
+def pytest_generate_tests(metafunc: pytest.Metafunc):
+    if "s3_client" not in metafunc.fixturenames:
+        return
+    metafunc.parametrize("s3_policy", [S3_POLICY_FILE_LOCATION], ids=["s3policy"], indirect=True)
+
+
+@pytest.fixture(scope="session", params=[pytest.param("rep3", marks=pytest.mark.rep), pytest.param("ec3.1", marks=pytest.mark.ec)])
+def placement_policy(request: pytest.FixtureRequest) -> PlacementPolicy:
+    if request.param == "ec3.1":
+        return PlacementPolicy("ec3.1", "ec3.1")
+    return PlacementPolicy("rep3", "rep3")
+
+
+@pytest.fixture(scope="session")
+def versioning_status(request: pytest.FixtureRequest) -> VersioningStatus:
+    if "param" in request.__dict__:
+        return request.param
+    return VersioningStatus.UNDEFINED
+
+
+@allure.title("[Class] Create bucket")
+@pytest.fixture(scope="class")
+def bucket(s3_client: S3ClientWrapper, versioning_status: VersioningStatus, placement_policy: PlacementPolicy) -> str:
+    with reporter.step(f"Create bucket with location constraint {placement_policy.value}"):
+        bucket = s3_client.create_bucket(location_constraint=placement_policy.value)
+
+    s3_helper.set_bucket_versioning(s3_client, bucket, versioning_status)
+    allow_patch_for_bucket(s3_client, bucket)
+    return bucket
+
+
+@pytest.fixture(scope="function")
+def original_object(s3_client: S3ClientWrapper, bucket: str, test_file: TestFile) -> str:
+    with reporter.step("Put object"):
+        key = s3_helper.object_key_from_file_path(test_file)
+        s3_client.put_object(bucket, test_file, key)
+
+    return key
+
+
+@allure.title("[Session]: Create S3 client for another user")
+@pytest.fixture(scope="session")
+def another_s3_client(
+    users_pool: list[User],
+    s3_policy: str | None,
+    cluster: Cluster,
+    credentials_provider: CredentialsProvider,
+    s3_client: S3ClientWrapper,
+) -> S3ClientWrapper:
+    user = users_pool[0]
+    node = cluster.cluster_nodes[0]
+    credentials_provider.S3.provide(user, node, s3_policy)
+    s3_client_cls = type(s3_client)
+    return s3_client_cls(user.s3_credentials.access_key, user.s3_credentials.secret_key, cluster.default_s3_gate_endpoint)
+
+
+@allure.title("[Class] Create bucket under another user")
+@pytest.fixture(scope="class")
+def another_bucket(another_s3_client: S3ClientWrapper, versioning_status: VersioningStatus, placement_policy: PlacementPolicy) -> str:
+    with reporter.step(f"Create bucket with location constraint {placement_policy.value}"):
+        bucket = another_s3_client.create_bucket(location_constraint=placement_policy.value)
+
+    s3_helper.set_bucket_versioning(another_s3_client, bucket, versioning_status)
+    allow_patch_for_bucket(another_s3_client, bucket)
+    return bucket
+
+
+@pytest.mark.nightly
+@pytest.mark.s3_gate
+class TestS3GateHttpObject(ClusterTestBase):
+    @allure.title("Patch simple object payload (range={patch_range}, s3_client={s3_client}, policy={placement_policy})")
+    @pytest.mark.parametrize("object_size", ["simple"], indirect=True)
+    @pytest.mark.parametrize(
+        "patch_range",
+        # String "object" denotes size of object.
+        ["0:19", "500:550", "object/2-100:object/2+200", "object-1:object", "object:object", "object:object+123"],
+    )
+    def test_patch_simple_object_payload(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+        object_size: ObjectSize,
+        patch_range: str,
+    ):
+        start, end = s3_helper.get_range_relative_to_object(patch_range, object_size.value, int_values=True)
+        content_size = end - start + 1
+        content_range = f"bytes {start}-{end}/*"
+
+        with reporter.step("Generate payload object"):
+            content_file = generate_file(content_size)
+
+        with reporter.step("Patch simple object"):
+            s3_http_client.patch_object(bucket, original_object, content_file, content_range)
+
+        with reporter.step("Get patched part of object and make sure it has changed correctly"):
+            patched_file_part = s3_client.get_object(bucket, original_object, object_range=(start, end))
+            assert get_file_hash(patched_file_part) == get_file_hash(
+                content_file
+            ), "Expected content hash did not match actual content hash"
+
+    @allure.title("Patch complex object payload (range={patch_range}, s3_client={s3_client}, policy={placement_policy})")
+    @pytest.mark.parametrize("object_size", ["complex"], indirect=True)
+    @pytest.mark.parametrize(
+        "patch_range",
+        # Strings "object" and "part" denote size of object and its part, respectively.
+        ["part:part+100", "object-part:object", "0:part", "part*2:part*3", "part-1:part*2", "part+1:part*2-1"],
+    )
+    def test_patch_complex_object_payload(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+        object_size: ObjectSize,
+        max_object_size: int,
+        patch_range: str,
+    ):
+        start, end = s3_helper.get_range_relative_to_object(patch_range, object_size.value, max_object_size, int_values=True)
+        content_size = end - start + 1
+        content_range = f"bytes {start}-{end}/*"
+
+        with reporter.step("Generate payload object"):
+            content_file = generate_file(content_size)
+
+        with reporter.step("Patch complex object"):
+            s3_http_client.patch_object(bucket, original_object, content_file, content_range)
+
+        with reporter.step("Get patched part of object and make sure it has changed correctly"):
+            patched_file_part = s3_client.get_object(bucket, original_object, object_range=(start, end))
+            assert get_file_hash(patched_file_part) == get_file_hash(
+                content_file
+            ), "Expected content hash did not match actual content hash"
+
+    @allure.title(
+        "Patch object with fulfilled If-Match condition (s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    def test_patch_with_fulfilled_if_match_contidion(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+    ):
+        start, end = 100, 199
+        content_size = end - start + 1
+        content_range = f"bytes {start}-{end}/*"
+
+        with reporter.step("Generate payload object"):
+            content_file = generate_file(content_size)
+            expected_hash = get_file_hash(content_file)
+
+        with reporter.step("Get object ETag attribute"):
+            object_info = s3_client.head_object(bucket, original_object)
+            etag = object_info["ETag"]
+
+        with reporter.step("Patch object with If-Match header"):
+            s3_http_client.patch_object(bucket, original_object, content_file, content_range, if_match=etag)
+
+        with reporter.step("Get patched object and make sure it has changed correctly"):
+            patched_file = s3_client.get_object(bucket, original_object)
+            patched_hash = get_file_hash(patched_file, offset=start, len=content_size)
+            assert patched_hash == expected_hash, "Expected content hash did not match actual content hash"
+
+    @allure.title(
+        "[NEGATIVE] Patch cannot be applied with failed If-Match condition "
+        "(s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    def test_patch_with_failed_if_match_condition(self, s3_http_client: S3HttpClient, bucket: str, original_object: str):
+        with reporter.step("Try patch object with If-Match header and get exception"):
+            with pytest.raises(Exception, match="PreconditionFailed"):
+                s3_http_client.patch_object(bucket, original_object, "content", "bytes 0-6/*", if_match="nonexistentetag")
+
+    @allure.title(
+        "Patch object with fulfilled If-Unmodified-Since condition "
+        "(s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    def test_patch_with_fulfilled_if_unmodified_since_condition(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+    ):
+        start, end = 235, 341
+        content_size = end - start + 1
+        content_range = f"bytes {start}-{end}/*"
+
+        with reporter.step("Generate payload object"):
+            content_file = generate_file(content_size)
+            expected_hash = get_file_hash(content_file)
+
+        with reporter.step("Get object LastModified attribute"):
+            response = s3_client.head_object(bucket, original_object)
+            if isinstance(response["LastModified"], str):
+                response["LastModified"] = datetime.fromisoformat(response["LastModified"])
+
+            # Convert datetime to RFC 7232 format
+            last_modified = formatdate(response["LastModified"].timestamp(), localtime=False, usegmt=True)
+
+        with reporter.step("Patch object with If-Unmodified-Since header"):
+            s3_http_client.patch_object(bucket, original_object, content_file, content_range, if_unmodified_since=last_modified)
+
+        with reporter.step("Get patched object and make sure it has changed correctly"):
+            patched_file = s3_client.get_object(bucket, original_object)
+            patched_hash = get_file_hash(patched_file, offset=start, len=content_size)
+            assert patched_hash == expected_hash, "Expected content hash did not match actual content hash"
+
+    @allure.title(
+        "[NEGATIVE] Patch cannot be applied with failed If-Unmodified-Since condition "
+        "(s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    def test_patch_with_failed_if_unmodified_since_condition(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+        test_file: TestFile,
+    ):
+        with reporter.step("Get original object LastModified attribute"):
+            response = s3_client.head_object(bucket, original_object)
+            if isinstance(response["LastModified"], str):
+                response["LastModified"] = datetime.fromisoformat(response["LastModified"])
+
+            # Convert datetime to RFC 7232 format
+            previous_last_modified = formatdate(response["LastModified"].timestamp(), localtime=False, usegmt=True)
+
+        with reporter.step("Wait two seconds for LastModified to update"):
+            # Next PUT for a simple object occurs at the same second the object was initially loaded,
+            # so the LastModified attribute "as if" does not change after the operation.
+            time.sleep(2)
+
+        with reporter.step("Put new data for existing object"):
+            s3_client.put_object(bucket, test_file, original_object)
+
+        with reporter.step("Get object LastModified attribute with new data and make sure it has changed"):
+            response = s3_client.head_object(bucket, original_object)
+            if isinstance(response["LastModified"], str):
+                response["LastModified"] = datetime.fromisoformat(response["LastModified"])
+
+            # Convert datetime to RFC 7232 format
+            last_modified = formatdate(response["LastModified"].timestamp(), localtime=False, usegmt=True)
+            assert last_modified != previous_last_modified, f"Attribute LastModified was expected to change: {last_modified}"
+
+        with reporter.step("Try patch object with If-Unmodified-Since header and get exception"):
+            with pytest.raises(Exception, match="PreconditionFailed"):
+                s3_http_client.patch_object(bucket, original_object, b"modify", "bytes 0-5/*", if_unmodified_since=previous_last_modified)
+
+    @allure.title(
+        "Patch object with fulfilled x-amz-expected-bucket-owner condition "
+        "(s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    def test_patch_with_fulfilled_if_expected_bucket_owner_condition(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+    ):
+        start, end = 512, 749
+        content_size = end - start + 1
+        content_range = f"bytes {start}-{end}/*"
+
+        with reporter.step("Generate payload object"):
+            content_file = generate_file(content_size)
+            expected_hash = get_file_hash(content_file)
+
+        with reporter.step("Get bucket owner ID"):
+            bucket_acl = s3_client.get_bucket_acl(bucket)
+            expected_bucket_owner = bucket_acl["Owner"]["DisplayName"]
+
+        with reporter.step("Patch object with x-amz-expected-bucket-owner header"):
+            s3_http_client.patch_object(
+                bucket,
+                original_object,
+                content_file,
+                content_range,
+                x_amz_expected_bucket_owner=expected_bucket_owner,
+            )
+
+        with reporter.step("Get patched object and make sure it has changed correctly"):
+            patched_file = s3_client.get_object(bucket, original_object)
+            patched_hash = get_file_hash(patched_file, offset=start, len=content_size)
+            assert patched_hash == expected_hash, "Expected content hash did not match actual content hash"
+
+    @allure.title(
+        "[NEGATIVE] Patch cannot be applied with non-existent bucket owner ID in x-amz-expected-bucket-owner header "
+        "(s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    def test_patch_with_non_existent_bucket_owner_id(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+    ):
+        with reporter.step("Get bucket owner ID"):
+            bucket_acl = s3_client.get_bucket_acl(bucket)
+            bucket_owner = bucket_acl["Owner"]["DisplayName"]
+
+        with reporter.step("Change owner ID to non-existent"):
+            unexpected_bucket_owner = list(bucket_owner)
+            random.shuffle(unexpected_bucket_owner)
+            unexpected_bucket_owner = "".join(unexpected_bucket_owner)
+
+        with reporter.step("Try patch object with x-amz-expected-bucket-owner header and get exception"):
+            with pytest.raises(Exception, match="AccessDenied"):
+                s3_http_client.patch_object(
+                    bucket,
+                    original_object,
+                    b"blablabla",
+                    "bytes 10-18/*",
+                    x_amz_expected_bucket_owner=unexpected_bucket_owner,
+                )
+
+    # AwsCliClient is not configured correctly for some cases,
+    # resulting in both buckets being created from the same user, which causes an error.
+    @allure.title(
+        "[NEGATIVE] Patch cannot be applied with another bucket owner ID in x-amz-expected-bucket-owner header "
+        "(s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    @pytest.mark.parametrize("s3_client", [Boto3ClientWrapper], indirect=True)
+    def test_patch_with_another_bucket_owner_id(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+        another_bucket: str,
+    ):
+        with reporter.step("Get owner ID of another bucket"):
+            bucket_acl = s3_client.get_bucket_acl(another_bucket)
+            another_bucket_owner = bucket_acl["Owner"]["DisplayName"]
+
+        with reporter.step("Try patch object with x-amz-expected-bucket-owner header and get exception"):
+            with pytest.raises(Exception, match="AccessDenied"):
+                s3_http_client.patch_object(
+                    bucket,
+                    original_object,
+                    b"blablabla",
+                    "bytes 10-18/*",
+                    x_amz_expected_bucket_owner=another_bucket_owner,
+                )
+
+    @allure.title(
+        "[NEGATIVE] Patch cannot be applied with invalid Content-Range header "
+        "(range={patch_range}, s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    @pytest.mark.parametrize(
+        "patch_range",
+        # String "object" denotes size of object.
+        ["object+100:200", "object+10:object+16", "-1:1", "20:100", "0:2", f"0:{FIVE_GIGABYTES}", "0:0"],
+    )
+    def test_patch_with_invalid_content_range(
+        self,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+        object_size: ObjectSize,
+        patch_range: str,
+    ):
+        content_range = s3_helper.get_range_relative_to_object(patch_range, object_size.value)
+        with reporter.step("Try patch object with invalid Content-Range header and get exception"):
+            with pytest.raises(Exception, match="InvalidRange"):
+                s3_http_client.patch_object(bucket, original_object, b"content", content_range)
+
+    @allure.title(
+        "[NEGATIVE] Patch cannot be applied without Content-Range header "
+        "(s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    def test_patch_without_content_range(self, s3_http_client: S3HttpClient, bucket: str, original_object: str):
+        with reporter.step("Try patch object without Content-Range header and get exception"):
+            with pytest.raises(Exception, match="MissingContentRange"):
+                s3_http_client.patch_object(bucket, original_object, b"content", None)
+
+    @allure.title(
+        "[NEGATIVE] Patch cannot be applied without Content-Length header "
+        "(s3_client={s3_client}, object_size={object_size}, policy={placement_policy})"
+    )
+    def test_patch_without_content_length(
+        self,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        original_object: str,
+        node_under_test: ClusterNode,
+    ):
+        with reporter.step("Generate headers that comply with AWS specification"):
+            data = "content"
+            url = f"{self.cluster.default_s3_gate_endpoint}/{bucket}/{original_object}"
+            host = self.cluster.default_s3_gate_endpoint[8:]
+            headers = {"Host": host, "Url": url, "Content-Range": "bytes 0-6/*"}
+            headers = dict(s3_http_client._create_aws_request("PATCH", url, headers, data).headers)
+            headers.pop("Content-Length", None)
+
+        with reporter.step("Try patch object without Content-Length header and get exception"):
+            curl = GenericCli("curl", node_under_test.host)
+            request = f" {url} -X PATCH"
+
+            for header, value in headers.items():
+                request += f" -H '{header}: {value}'"
+
+            # Remove Content-Length header
+            # *Header without a value means to CURL that it should not be inserted into the request.
+            request += " -H 'Content-Length:'"
+            request += f" -d '{data}' -k"
+
+            response = curl(request, shell=LocalShell(), options=CommandOptions(check=False))
+            assert "MissingContentLength" in response.stdout, response.stdout
+
+    @allure.title("[NEGATIVE] Patch cannot be applied to non-existent bucket")
+    def test_patch_non_existent_bucket(self, s3_http_client: S3HttpClient):
+        with reporter.step("Try patch object in non-existent bucket and get exception"):
+            with pytest.raises(Exception, match="NoSuchBucket"):
+                s3_http_client.patch_object("fake-bucket", unique_name("object-"), b"content", "bytes 0-6/*")
+
+    @allure.title("[NEGATIVE] Patch cannot be applied to non-existent object (s3_client={s3_client}, policy={placement_policy})")
+    def test_patch_non_existent_object(self, s3_http_client: S3HttpClient, bucket: str):
+        with reporter.step("Try patch non-existent object and get exception"):
+            with pytest.raises(Exception, match="NoSuchKey"):
+                s3_http_client.patch_object(bucket, "fake-object", b"content", "bytes 0-6/*")
+
+    @allure.title("Patch object in versioned bucket (s3_client={s3_client}, object_size={object_size}, policy={placement_policy})")
+    @pytest.mark.parametrize("versioning_status", [VersioningStatus.ENABLED], indirect=True)
+    def test_patch_object_in_versioned_bucket(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        object_size: ObjectSize,
+    ):
+        patch_ranges = ["0:35", "40:49", "object-100:object", "object:object+231"]
+
+        with reporter.step("Generate original object"):
+            original_file = generate_file(object_size.value)
+            original_key = s3_helper.object_key_from_file_path(original_file)
+
+        with reporter.step("Put object"):
+            version = s3_client.put_object(bucket, original_file, original_key)
+            expected_versions = {version}
+
+        with reporter.step("Patch versioned object"):
+            for rng in patch_ranges:
+                start, end = s3_helper.get_range_relative_to_object(rng, object_size=object_size.value, int_values=True)
+                content_size = end - start + 1
+                content_range = f"bytes {start}-{end}/*"
+
+                with reporter.step(f"Generate payload object of {content_size} bytes"):
+                    content_file = generate_file(content_size)
+
+                with reporter.step(f"Patch object and get new version"):
+                    response = s3_http_client.patch_object(bucket, original_key, content_file, content_range, version_id=version)
+                    version = response["VersionId"]
+                    expected_versions.add(version)
+
+                with reporter.step(f"Get patched part of object and make sure it has changed correctly"):
+                    got_part = s3_client.get_object(bucket, original_key, version_id=version, object_range=(start, end))
+                    assert get_file_hash(got_part) == get_file_hash(content_file), "Expected content hash did not match actual content hash"
+
+        with reporter.step("Check that all expected versions are in bucket"):
+            got_versions = {
+                version.get("VersionId") for version in s3_client.list_objects_versions(bucket) if version.get("Key") == original_key
+            }
+            assert expected_versions == got_versions, f"Expected versions of object are missing from bucket: {expected_versions}"
+
+    @allure.title("Patch multipart object (range={patch_range}, s3_client={s3_client}, policy={placement_policy})")
+    @pytest.mark.parametrize("patch_range", ["0:part-1", "part:part*2-1", "part-100:part*2+200", "object-part-1:object"])
+    def test_s3_patch_multipart_object(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+        patch_range: str,
+    ):
+        parts_count = 5
+        parts = []
+        original_size = PART_SIZE_FOR_MULTIPART * parts_count
+
+        with reporter.step("Generate original object and split it into parts"):
+            original_file = generate_file(original_size)
+            file_parts = split_file(original_file, parts_count)
+            object_key = s3_helper.object_key_from_file_path(original_file)
+
+        start, end = s3_helper.get_range_relative_to_object(
+            patch_range, object_size=original_size, part_size=PART_SIZE_FOR_MULTIPART, int_values=True
+        )
+        content_size = end - start + 1
+        content_range = f"bytes {start}-{end}/*"
+
+        with reporter.step("Generate payload object"):
+            content_file = generate_file(content_size)
+
+        with reporter.step("Create multipart and upload parts"):
+            upload_id = s3_client.create_multipart_upload(bucket, object_key)
+            for part_id, file_path in enumerate(file_parts, start=1):
+                etag = s3_client.upload_part(bucket, object_key, upload_id, part_id, file_path)
+                parts.append((part_id, etag))
+
+        with reporter.step("Check all parts are visible in bucket"):
+            got_parts = s3_client.list_parts(bucket, object_key, upload_id)
+            assert len(got_parts) == len(file_parts), f"Expected {parts_count} parts, got:\n{got_parts}"
+
+        with reporter.step("Complete multipart upload"):
+            s3_client.complete_multipart_upload(bucket, object_key, upload_id, parts)
+
+        with reporter.step("Patch multipart object"):
+            s3_http_client.patch_object(bucket, object_key, content_file, content_range, timeout=200)
+
+        with reporter.step("Get patched part of object and make sure it has changed correctly"):
+            got_part = s3_client.get_object(bucket, object_key, object_range=(start, end))
+            assert get_file_hash(got_part) == get_file_hash(content_file), "Expected content hash did not match actual content hash"
+
+    @allure.title("Patch multipart object in versioned bucket (s3_client={s3_client}, policy={placement_policy})")
+    @pytest.mark.parametrize("versioning_status", [VersioningStatus.ENABLED], indirect=True)
+    def test_s3_patch_multipart_object_in_versioned_bucket(
+        self,
+        s3_client: S3ClientWrapper,
+        s3_http_client: S3HttpClient,
+        bucket: str,
+    ):
+        parts = []
+        parts_count = 5
+        original_size = PART_SIZE_FOR_MULTIPART * parts_count
+        patch_ranges = ["0:part-1", "part:part*2-1", "part-100:part*2+200", "object-part-1:object"]
+
+        with reporter.step("Generate original object and split it into parts"):
+            original_file = generate_file(original_size)
+            original_key = s3_helper.object_key_from_file_path(original_file)
+            file_parts = split_file(original_file, parts_count)
+
+        with reporter.step("Create multipart and upload parts"):
+            upload_id = s3_client.create_multipart_upload(bucket, original_key)
+            for part_id, file_path in enumerate(file_parts, start=1):
+                etag = s3_client.upload_part(bucket, original_key, upload_id, part_id, file_path)
+                parts.append((part_id, etag))
+
+        with reporter.step("Check all parts are visible in bucket"):
+            got_parts = s3_client.list_parts(bucket, original_key, upload_id)
+            assert len(got_parts) == len(file_parts), f"Expected {parts_count} parts, got:\n{got_parts}"
+
+        with reporter.step("Complete multipart upload"):
+            response = s3_client.complete_multipart_upload(bucket, original_key, upload_id, parts)
+            version = response["VersionId"]
+            expected_versions = {version}
+
+        with reporter.step("Patch versioned multipart object"):
+            for rng in patch_ranges:
+                start, end = s3_helper.get_range_relative_to_object(
+                    rng, object_size=original_size, part_size=PART_SIZE_FOR_MULTIPART, int_values=True
+                )
+                content_size = end - start + 1
+                content_range = f"bytes {start}-{end}/*"
+
+                with reporter.step("Generate payload object"):
+                    content_file = generate_file(content_size)
+
+                with reporter.step("Patch multipart object and get new version"):
+                    response = s3_http_client.patch_object(
+                        bucket, original_key, content_file, content_range, version_id=version, timeout=200
+                    )
+                    version = response["VersionId"]
+                    expected_versions.add(version)
+
+                with reporter.step("Get patched part of object and make sure it has changed correctly"):
+                    got_part = s3_client.get_object(bucket, original_key, version_id=version, object_range=(start, end))
+                    assert get_file_hash(got_part) == get_file_hash(content_file), "Expected content hash did not match actual content hash"
+
+        with reporter.step("Check that all expected versions are in bucket"):
+            got_versions = {
+                version.get("VersionId") for version in s3_client.list_objects_versions(bucket) if version.get("Key") == original_key
+            }
+            assert expected_versions == got_versions, f"Expected versions of object are missing from bucket: {expected_versions}"
+
+    # TODO: Negative scenario for SSE objects is postponed for now.