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from unittest.mock import MagicMock

import pytest

from superset.dashboards.schemas import DashboardGetResponseSchema


@pytest.fixture
def mock_dashboard() -> MagicMock:
    dash = MagicMock()
    dash.id = 1
    dash.slug = "test-slug"
    dash.url = "/superset/dashboard/test-slug/"
    dash.dashboard_title = "Test Dashboard"
    dash.thumbnail_url = "http://example.com/thumb.png"
    dash.published = True
    dash.css = ""
    dash.theme = None
    dash.json_metadata = "{}"
    dash.position_json = "{}"
    dash.certified_by = None
    dash.certification_details = None
    dash.changed_by_name = "admin"
    dash.changed_by = MagicMock(id=1, first_name="admin", last_name="user")
    dash.changed_on = None
    dash.changed_on_humanized = "2 days ago"
    dash.created_by = MagicMock(id=1, first_name="admin", last_name="user")
    dash.created_on_humanized = "5 days ago"
    dash.charts = []
    dash.owners = []
    dash.roles = []
    dash.tags = []
    dash.custom_tags = []
    dash.is_managed_externally = False
    dash.uuid = None
    return dash


def test_schema_column_selection_excludes_thumbnail(
    mock_dashboard: MagicMock,
) -> None:
    schema = DashboardGetResponseSchema(only=["id", "dashboard_title"])
    result = schema.dump(mock_dashboard)
    assert "id" in result
    assert "dashboard_title" in result
    assert "thumbnail_url" not in result
    assert "slug" not in result


def test_schema_column_selection_with_data_key(
    mock_dashboard: MagicMock,
) -> None:
    """Fields with data_key should work when using the internal field name."""
    schema = DashboardGetResponseSchema(only=["id", "changed_on_humanized"])
    result = schema.dump(mock_dashboard)
    assert "id" in result
    assert "changed_on_delta_humanized" in result
    assert "dashboard_title" not in result


def test_schema_full_response_includes_thumbnail(
    mock_dashboard: MagicMock,
) -> None:
    schema = DashboardGetResponseSchema()
    result = schema.dump(mock_dashboard)
    assert "thumbnail_url" in result
    assert "id" in result
    assert "dashboard_title" in result


def test_data_key_mapping_logic() -> None:
    """The key_to_name mapping used in the API correctly maps data_key to field name."""
    schema = DashboardGetResponseSchema()
    key_to_name = {
        field.data_key or name: name for name, field in schema.fields.items()
    }
    # changed_on_delta_humanized is the data_key for changed_on_humanized
    assert key_to_name["changed_on_delta_humanized"] == "changed_on_humanized"
    assert key_to_name["created_on_delta_humanized"] == "created_on_humanized"
    # fields without data_key map to themselves
    assert key_to_name["id"] == "id"
    assert key_to_name["thumbnail_url"] == "thumbnail_url"