Feature/delete preview (#1385)
## Description This pull request introduces a preview step to the `cognee delete` command, fulfilling the requirements of issue #1366 When a user runs the delete command, it now first queries the database to calculate the scope of the deletion and presents a summary (number of datasets, data entries, users) before asking for final confirmation. This improves the safety and usability of the command, preventing accidental data loss. This PR also adds the `--force` flag to bypass the preview, which is useful for scripting and automation. ## Type of Change - [x] New feature (non-breaking change that adds functionality) - [ ] Bug fix (non-breaking change that fixes an issue) ## Changes Made - **`cognee/cli/commands/delete_command.py`**: Modified to include the preview logic. It now calls the counting function, displays the results, and proceeds with deletion only after confirmation. - **`cognee/modules/data/methods/get_deletion_counts.py`**: Added this new file to contain the logic for querying the database and calculating the deletion counts for datasets, data entries, and users. ## Testing I have tested the changes through **Manual CLI Testing**: I ran the `cognee delete` command with the `--dataset-name`, `--user-id`, and `--all` flags to manually verify that the preview output is correct. ### Terminal Output Here are screenshots of the command working with the all possible flags: <img width="1898" height="1087" alt="cognee1" src="https://github.com/user-attachments/assets/939aa4d0-748c-45e4-a2a6-f5e7982c1fc0" /> <img width="1788" height="748" alt="cognee2" src="https://github.com/user-attachments/assets/213884be-cce1-4007-90f9-5e6d3a302ced" /> ## Pre-submission Checklist - [x] **I have tested my changes thoroughly before submitting this PR** - [x] **This PR contains minimal changes necessary to address the issue/feature** - [x] My code follows the project's coding standards and style guidelines - [x] I have added tests that prove my feature works - [ ] I have not added or changed documentation (as it was not required for this CLI change) - [x] I have searched existing PRs to ensure this change has been submitted already - [x] I have linked the relevant issue in the description ## Related Issues Fixes #1366 ## DCO Affirmation I affirm that all code in every commit of this pull request conforms to the terms of the Topoteretes Developer Certificate of Origin.
This commit is contained in:
Daulet Amirkhanov
GitHub
commit
2efce6949b
4 changed files with 146 additions and 8 deletions
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@ -6,6 +6,7 @@ from cognee.cli.reference import SupportsCliCommand
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from cognee.cli import DEFAULT_DOCS_URL
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import cognee.cli.echo as fmt
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from cognee.cli.exceptions import CliCommandException, CliCommandInnerException
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from cognee.modules.data.methods.get_deletion_counts import get_deletion_counts
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class DeleteCommand(SupportsCliCommand):
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@ -41,7 +42,34 @@ Be careful with deletion operations as they are irreversible.
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fmt.error("Please specify what to delete: --dataset-name, --user-id, or --all")
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return
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# Build confirmation message
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# If --force is used, skip the preview and go straight to deletion
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if not args.force:
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# --- START PREVIEW LOGIC ---
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fmt.echo("Gathering data for preview...")
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try:
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preview_data = asyncio.run(
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get_deletion_counts(
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dataset_name=args.dataset_name,
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user_id=args.user_id,
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all_data=args.all,
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)
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)
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except CliCommandException as e:
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fmt.error(f"Error occured when fetching preview data: {str(e)}")
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return
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if not preview_data:
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fmt.success("No data found to delete.")
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return
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fmt.echo("You are about to delete:")
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fmt.echo(
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f"Datasets: {preview_data.datasets}\nEntries: {preview_data.entries}\nUsers: {preview_data.users}"
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)
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fmt.echo("-" * 20)
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# --- END PREVIEW LOGIC ---
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# Build operation message for success/failure logging
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if args.all:
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confirm_msg = "Delete ALL data from cognee?"
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operation = "all data"
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@ -51,8 +79,9 @@ Be careful with deletion operations as they are irreversible.
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elif args.user_id:
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confirm_msg = f"Delete all data for user '{args.user_id}'?"
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operation = f"data for user '{args.user_id}'"
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else:
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operation = "data"
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# Confirm deletion unless forced
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if not args.force:
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fmt.warning("This operation is irreversible!")
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if not fmt.confirm(confirm_msg):
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@ -64,6 +93,8 @@ Be careful with deletion operations as they are irreversible.
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# Run the async delete function
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async def run_delete():
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try:
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# NOTE: The underlying cognee.delete() function is currently not working as expected.
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# This is a separate bug that this preview feature helps to expose.
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if args.all:
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await cognee.delete(dataset_name=None, user_id=args.user_id)
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else:
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@ -72,6 +103,7 @@ Be careful with deletion operations as they are irreversible.
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raise CliCommandInnerException(f"Failed to delete: {str(e)}")
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asyncio.run(run_delete())
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# This success message may be inaccurate due to the underlying bug, but we leave it for now.
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fmt.success(f"Successfully deleted {operation}")
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except Exception as e:
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92
cognee/modules/data/methods/get_deletion_counts.py
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92
cognee/modules/data/methods/get_deletion_counts.py
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@ -0,0 +1,92 @@
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from uuid import UUID
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from cognee.cli.exceptions import CliCommandException
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from cognee.infrastructure.databases.exceptions.exceptions import EntityNotFoundError
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from sqlalchemy import select
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from sqlalchemy.sql import func
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from cognee.infrastructure.databases.relational import get_relational_engine
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from cognee.modules.data.models import Dataset, Data, DatasetData
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from cognee.modules.users.models import User
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from cognee.modules.users.methods import get_user
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from dataclasses import dataclass
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@dataclass
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class DeletionCountsPreview:
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datasets: int = 0
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data_entries: int = 0
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users: int = 0
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async def get_deletion_counts(
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dataset_name: str = None, user_id: str = None, all_data: bool = False
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) -> DeletionCountsPreview:
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"""
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Calculates the number of items that will be deleted based on the provided arguments.
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"""
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counts = DeletionCountsPreview()
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relational_engine = get_relational_engine()
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async with relational_engine.get_async_session() as session:
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if dataset_name:
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# Find the dataset by name
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dataset_result = await session.execute(
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select(Dataset).where(Dataset.name == dataset_name)
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)
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dataset = dataset_result.scalar_one_or_none()
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if dataset is None:
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raise CliCommandException(
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f"No Dataset exists with the name {dataset_name}", error_code=1
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)
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# Count data entries linked to this dataset
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count_query = (
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select(func.count())
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.select_from(DatasetData)
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.where(DatasetData.dataset_id == dataset.id)
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)
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data_entry_count = (await session.execute(count_query)).scalar_one()
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counts.users = 1
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counts.datasets = 1
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counts.entries = data_entry_count
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return counts
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elif all_data:
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# Simplified logic: Get total counts directly from the tables.
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counts.datasets = (
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await session.execute(select(func.count()).select_from(Dataset))
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).scalar_one()
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counts.entries = (
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await session.execute(select(func.count()).select_from(Data))
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).scalar_one()
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counts.users = (
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await session.execute(select(func.count()).select_from(User))
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).scalar_one()
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return counts
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# Placeholder for user_id logic
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elif user_id:
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user = None
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try:
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user_uuid = UUID(user_id)
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user = await get_user(user_uuid)
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except (ValueError, EntityNotFoundError):
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raise CliCommandException(f"No User exists with ID {user_id}", error_code=1)
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counts.users = 1
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# Find all datasets owned by this user
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datasets_query = select(Dataset).where(Dataset.owner_id == user.id)
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user_datasets = (await session.execute(datasets_query)).scalars().all()
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dataset_count = len(user_datasets)
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counts.datasets = dataset_count
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if dataset_count > 0:
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dataset_ids = [d.id for d in user_datasets]
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# Count all data entries across all of the user's datasets
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data_count_query = (
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select(func.count())
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.select_from(DatasetData)
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.where(DatasetData.dataset_id.in_(dataset_ids))
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)
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data_entry_count = (await session.execute(data_count_query)).scalar_one()
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counts.entries = data_entry_count
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else:
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counts.entries = 0
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return counts
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@ -12,7 +12,8 @@ from cognee.cli.commands.search_command import SearchCommand
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from cognee.cli.commands.cognify_command import CognifyCommand
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from cognee.cli.commands.delete_command import DeleteCommand
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from cognee.cli.commands.config_command import ConfigCommand
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from cognee.cli.exceptions import CliCommandException, CliCommandInnerException
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from cognee.cli.exceptions import CliCommandException
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from cognee.modules.data.methods.get_deletion_counts import DeletionCountsPreview
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# Mock asyncio.run to properly handle coroutines
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@ -282,13 +283,18 @@ class TestDeleteCommand:
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assert "all" in actions
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assert "force" in actions
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@patch("cognee.cli.commands.delete_command.get_deletion_counts")
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@patch("cognee.cli.commands.delete_command.fmt.confirm")
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@patch("cognee.cli.commands.delete_command.asyncio.run", side_effect=_mock_run)
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def test_execute_delete_dataset_with_confirmation(self, mock_asyncio_run, mock_confirm):
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def test_execute_delete_dataset_with_confirmation(
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self, mock_asyncio_run, mock_confirm, mock_get_deletion_counts
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):
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"""Test execute delete dataset with user confirmation"""
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# Mock the cognee module
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mock_cognee = MagicMock()
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mock_cognee.delete = AsyncMock()
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mock_get_deletion_counts = AsyncMock()
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mock_get_deletion_counts.return_value = DeletionCountsPreview()
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with patch.dict(sys.modules, {"cognee": mock_cognee}):
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command = DeleteCommand()
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@ -301,13 +307,16 @@ class TestDeleteCommand:
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command.execute(args)
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mock_confirm.assert_called_once_with(f"Delete dataset '{args.dataset_name}'?")
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mock_asyncio_run.assert_called_once()
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assert mock_asyncio_run.call_count == 2
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assert asyncio.iscoroutine(mock_asyncio_run.call_args[0][0])
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mock_cognee.delete.assert_awaited_once_with(dataset_name="test_dataset", user_id=None)
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@patch("cognee.cli.commands.delete_command.get_deletion_counts")
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@patch("cognee.cli.commands.delete_command.fmt.confirm")
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def test_execute_delete_cancelled(self, mock_confirm):
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def test_execute_delete_cancelled(self, mock_confirm, mock_get_deletion_counts):
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"""Test execute when user cancels deletion"""
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mock_get_deletion_counts = AsyncMock()
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mock_get_deletion_counts.return_value = DeletionCountsPreview()
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command = DeleteCommand()
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args = argparse.Namespace(dataset_name="test_dataset", user_id=None, all=False, force=False)
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@ -13,6 +13,7 @@ from cognee.cli.commands.cognify_command import CognifyCommand
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from cognee.cli.commands.delete_command import DeleteCommand
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from cognee.cli.commands.config_command import ConfigCommand
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from cognee.cli.exceptions import CliCommandException, CliCommandInnerException
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from cognee.modules.data.methods.get_deletion_counts import DeletionCountsPreview
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# Mock asyncio.run to properly handle coroutines
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@ -396,13 +397,17 @@ class TestDeleteCommandEdgeCases:
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command.execute(args)
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mock_confirm.assert_called_once_with("Delete ALL data from cognee?")
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mock_asyncio_run.assert_called_once()
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assert mock_asyncio_run.call_count == 2
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assert asyncio.iscoroutine(mock_asyncio_run.call_args[0][0])
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mock_cognee.delete.assert_awaited_once_with(dataset_name=None, user_id="test_user")
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@patch("cognee.cli.commands.delete_command.get_deletion_counts")
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@patch("cognee.cli.commands.delete_command.fmt.confirm")
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def test_delete_confirmation_keyboard_interrupt(self, mock_confirm):
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def test_delete_confirmation_keyboard_interrupt(self, mock_confirm, mock_get_deletion_counts):
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"""Test delete command when user interrupts confirmation"""
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mock_get_deletion_counts = AsyncMock()
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mock_get_deletion_counts.return_value = DeletionCountsPreview()
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command = DeleteCommand()
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args = argparse.Namespace(dataset_name="test_dataset", user_id=None, all=False, force=False)
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