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📄 README.rst ===================== Atlas Data Lake Tests ===================== .. contents:: ---- Introduction ============ The YAML and JSON files in this directory tree are platform-independent tests that drivers can use to assert compatibility with `Atlas Data Lake <https://www.mongodb.com/docs/datalake>`_. Running these integration tests will require a running ``mongohoused`` with data available in its ``test.driverdata`` collection. See the `ADL directory in drivers-evergreen-tools <https://github.com/mongodb-labs/drivers-evergreen-tools/tree/master/.evergreen/atlas_data_lake>`_ and `10gen/mongohouse README <https://github.com/10gen/mongohouse/blob/master/README.md>`_ for more information. Several prose tests, which are not easily expressed in YAML, are also presented in this file. Those tests will need to be manually implemented by each driver. Test Format =========== The same as the `CRUD Spec Test format <../../crud/tests/README.rst#Test-Format>`_. Test Runner Implementation ========================== The same as the `CRUD Spec Test Runner Implementation <../../crud/tests#test-runner-implementation>`_, with one notable differences: the test runner for Atlas Data Lake Testing MUST NOT drop the collection and/or database under test. In contrast to other CRUD tests, which insert their own data fixtures into an empty collection, data for these tests is specified in the ``mongohoused`` configuration file. Prose Tests =========== The following tests MUST be implemented to fully test compatibility with Atlas Data Lake. #. Test that the driver properly constructs and issues a `killCursors <https://www.mongodb.com/docs/manual/reference/command/killCursors/>`_ command to Atlas Data Lake. For this test, configure an APM listener on a client and execute a query on the ``test.driverdata`` collection that will leave a cursor open on the server (e.g. specify ``batchSize=2`` for a query that would match 3+ documents). Drivers MAY iterate the cursor if necessary to execute the initial ``find`` command but MUST NOT iterate further to avoid executing a ``getMore``. Observe the CommandSucceededEvent event for the ``find`` command and extract the cursor's ID and namespace from the response document's ``cursor.id`` and ``cursor.ns`` fields, respectively. Destroy the cursor object and observe a CommandStartedEvent and CommandSucceededEvent for the ``killCursors`` command. Assert that the cursor ID and target namespace in the outgoing command match the values from the ``find`` command's CommandSucceededEvent. When matching the namespace, note that the ``killCursors`` field will contain the collection name and the database may be inferred from either the ``$db`` field or accessed via the CommandStartedEvent directly. Finally, assert that the ``killCursors`` CommandSucceededEvent indicates that the expected cursor was killed in the ``cursorsKilled`` field. Note: this test assumes that drivers only issue a ``killCursors`` command internally when destroying a cursor that may still exist on the server. If a driver constructs and issues ``killCursors`` commands in other ways (e.g. public API), this test MUST be adapted to test all such code paths. #. Test that the driver can establish a connection with Atlas Data Lake without authentication. For these tests, create a MongoClient using a valid connection string without auth credentials and execute a ping command. #. Test that the driver can establish a connection with Atlas Data Lake with authentication. For these tests, create a MongoClient using a valid connection string with SCRAM-SHA-1 and credentials from the drivers-evergreen-tools ADL configuration and execute a ping command. Repeat this test using SCRAM-SHA-256. Changelog ========= :2020-07-15: Link to CRUD test runner implementation and note that the collection under test must not be dropped before each test.	3.88 KB	2025-05-25 12:27
📄 aggregate.json { "collection_name": "driverdata", "database_name": "test", "tests": [ { "description": "Aggregate with pipeline (project, sort, limit)", "operations": [ { "object": "collection", "name": "aggregate", "arguments": { "pipeline": [ { "$project": { "_id": 0 } }, { "$sort": { "a": 1 } }, { "$limit": 2 } ] }, "result": [ { "a": 1, "b": 2, "c": 3 }, { "a": 2, "b": 3, "c": 4 } ] } ], "expectations": [ { "command_started_event": { "command": { "aggregate": "driverdata" } } } ] } ] }	1.01 KB	2025-05-25 12:27
📄 aggregate.yml collection_name: &collection_name "driverdata" database_name: &database_name "test" tests: - description: "Aggregate with pipeline (project, sort, limit)" operations: - object: collection name: aggregate arguments: pipeline: - $project: { _id: 0 } - $sort: { a: 1 } - $limit: 2 result: - { a: 1, b: 2, c: 3 } - { a: 2, b: 3, c: 4 } expectations: - command_started_event: command: aggregate: *collection_name	563 B	2025-05-25 12:27
📄 estimatedDocumentCount.json { "collection_name": "driverdata", "database_name": "test", "tests": [ { "description": "estimatedDocumentCount succeeds", "operations": [ { "object": "collection", "name": "estimatedDocumentCount", "result": 15 } ], "expectations": [ { "command_started_event": { "command": { "count": "driverdata" }, "command_name": "count", "database_name": "test" } } ] } ] }	553 B	2025-05-25 12:27
📄 estimatedDocumentCount.yml collection_name: &collection_name "driverdata" database_name: &database_name "test" tests: - description: "estimatedDocumentCount succeeds" operations: - object: collection name: estimatedDocumentCount result: 15 expectations: - command_started_event: command: count: collection_name command_name: count database_name: database_name	436 B	2025-05-25 12:27
📄 find.json { "collection_name": "driverdata", "database_name": "test", "tests": [ { "description": "Find with projection and sort", "operations": [ { "object": "collection", "name": "find", "arguments": { "filter": { "b": { "$gt": 5 } }, "projection": { "_id": 0 }, "sort": { "a": 1 }, "limit": 5 }, "result": [ { "a": 5, "b": 6, "c": 7 }, { "a": 6, "b": 7, "c": 8 }, { "a": 7, "b": 8, "c": 9 }, { "a": 8, "b": 9, "c": 10 }, { "a": 9, "b": 10, "c": 11 } ] } ], "expectations": [ { "command_started_event": { "command": { "find": "driverdata" } } } ] } ] }	1.2 KB	2025-05-25 12:27
📄 find.yml collection_name: &collection_name "driverdata" database_name: &database_name "test" tests: - description: "Find with projection and sort" operations: - object: collection name: find arguments: filter: { b: { $gt: 5 } } projection: { _id: 0 } sort: { a: 1 } limit: 5 result: - {"a": 5, "b": 6, "c": 7} - {"a": 6, "b": 7, "c": 8} - {"a": 7, "b": 8, "c": 9} - {"a": 8, "b": 9, "c": 10} - {"a": 9, "b": 10, "c": 11} expectations: - command_started_event: command: find: *collection_name	665 B	2025-05-25 12:27
📄 getMore.json { "collection_name": "driverdata", "database_name": "test", "tests": [ { "description": "A successful find event with getMore", "operations": [ { "object": "collection", "name": "find", "arguments": { "filter": { "a": { "$gte": 2 } }, "sort": { "a": 1 }, "batchSize": 3, "limit": 4 } } ], "expectations": [ { "command_started_event": { "command": { "find": "driverdata", "filter": { "a": { "$gte": 2 } }, "sort": { "a": 1 }, "batchSize": 3, "limit": 4 }, "command_name": "find", "database_name": "test" } }, { "command_started_event": { "command": { "batchSize": 1 }, "command_name": "getMore", "database_name": "cursors" } } ] } ] }	1.18 KB	2025-05-25 12:27
📄 getMore.yml collection_name: &collection_name "driverdata" database_name: &database_name "test" tests: - description: "A successful find event with getMore" operations: - object: collection name: find arguments: filter: { a: { $gte: 2 }} sort: { a: 1 } batchSize: 3 limit: 4 expectations: - command_started_event: command: find: collection_name filter: { a: { $gte : 2 }} sort: { a: 1 } batchSize: 3 limit: 4 command_name: "find" database_name: database_name - command_started_event: command: # Assertions for "getMore" and "collection" fields are omitted, as they will have arbitrary values # TODO: Those assertions can be added after wildcard matchers are available via SPEC-1215 batchSize: 1 command_name: "getMore" # mongohoused always expects getMores on the "cursors" database database_name: "cursors"	1.05 KB	2025-05-25 12:27
📄 listCollections.json { "database_name": "test", "tests": [ { "description": "ListCollections succeeds", "operations": [ { "name": "listCollections", "object": "database" } ], "expectations": [ { "command_started_event": { "command_name": "listCollections", "database_name": "test", "command": { "listCollections": 1 } } } ] } ] }	486 B	2025-05-25 12:27
📄 listCollections.yml database_name: &database_name "test" tests: - description: "ListCollections succeeds" operations: - name: listCollections object: database expectations: - command_started_event: command_name: "listCollections" database_name: *database_name command: listCollections: 1	362 B	2025-05-25 12:27
📄 listDatabases.json { "tests": [ { "description": "ListDatabases succeeds", "operations": [ { "name": "listDatabases", "object": "client" } ], "expectations": [ { "command_started_event": { "command_name": "listDatabases", "database_name": "admin", "command": { "listDatabases": 1 } } } ] } ] }	450 B	2025-05-25 12:27
📄 listDatabases.yml tests: - description: "ListDatabases succeeds" operations: - name: listDatabases object: client expectations: - command_started_event: command_name: "listDatabases" database_name: "admin" command: listDatabases: 1	307 B	2025-05-25 12:27
📄 runCommand.json { "database_name": "test", "tests": [ { "description": "ping succeeds using runCommand", "operations": [ { "name": "runCommand", "object": "database", "command_name": "ping", "arguments": { "command": { "ping": 1 } } } ], "expectations": [ { "command_started_event": { "command_name": "ping", "database_name": "test", "command": { "ping": 1 } } } ] } ] }	600 B	2025-05-25 12:27
📄 runCommand.yml database_name: &database_name "test" tests: - description: "ping succeeds using runCommand" operations: - name: runCommand object: database command_name: ping arguments: command: ping: 1 expectations: - command_started_event: command_name: ping database_name: *database_name command: ping: 1	423 B	2025-05-25 12:27

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