tests/strategy_tests.py

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# isort:skip_file
"""Unit tests for Superset cache warmup"""
import datetime
import json
from unittest.mock import MagicMock

from sqlalchemy import String, Date, Float

import pytest
import pandas as pd

from superset.models.slice import Slice
from superset.utils.core import get_example_database

from superset import db

from superset.models.core import Log
from superset.models.tags import get_tag, ObjectTypes, TaggedObject, TagTypes
from superset.tasks.cache import (
    DashboardTagsStrategy,
    get_form_data,
    TopNDashboardsStrategy,
)

from .base_tests import SupersetTestCase
from .dashboard_utils import create_dashboard, create_slice, create_table_for_dashboard
from .fixtures.unicode_dashboard import load_unicode_dashboard_with_slice

URL_PREFIX = "http://0.0.0.0:8081"

mock_positions = {
    "DASHBOARD_VERSION_KEY": "v2",
    "DASHBOARD_CHART_TYPE-1": {
        "type": "CHART",
        "id": "DASHBOARD_CHART_TYPE-1",
        "children": [],
        "meta": {"width": 4, "height": 50, "chartId": 1},
    },
    "DASHBOARD_CHART_TYPE-2": {
        "type": "CHART",
        "id": "DASHBOARD_CHART_TYPE-2",
        "children": [],
        "meta": {"width": 4, "height": 50, "chartId": 2},
    },
}


class TestCacheWarmUp(SupersetTestCase):
    def test_get_form_data_chart_only(self):
        chart_id = 1
        result = get_form_data(chart_id, None)
        expected = {"slice_id": chart_id}
        self.assertEqual(result, expected)

    def test_get_form_data_no_dashboard_metadata(self):
        chart_id = 1
        dashboard = MagicMock()
        dashboard.json_metadata = None
        dashboard.position_json = json.dumps(mock_positions)
        result = get_form_data(chart_id, dashboard)
        expected = {"slice_id": chart_id}
        self.assertEqual(result, expected)

    def test_get_form_data_immune_slice(self):
        chart_id = 1
        filter_box_id = 2
        dashboard = MagicMock()
        dashboard.position_json = json.dumps(mock_positions)
        dashboard.json_metadata = json.dumps(
            {
                "filter_scopes": {
                    str(filter_box_id): {
                        "name": {"scope": ["ROOT_ID"], "immune": [chart_id]}
                    }
                },
                "default_filters": json.dumps(
                    {str(filter_box_id): {"name": ["Alice", "Bob"]}}
                ),
            }
        )
        result = get_form_data(chart_id, dashboard)
        expected = {"slice_id": chart_id}
        self.assertEqual(result, expected)

    def test_get_form_data_no_default_filters(self):
        chart_id = 1
        dashboard = MagicMock()
        dashboard.json_metadata = json.dumps({})
        dashboard.position_json = json.dumps(mock_positions)
        result = get_form_data(chart_id, dashboard)
        expected = {"slice_id": chart_id}
        self.assertEqual(result, expected)

    def test_get_form_data_immune_fields(self):
        chart_id = 1
        filter_box_id = 2
        dashboard = MagicMock()
        dashboard.position_json = json.dumps(mock_positions)
        dashboard.json_metadata = json.dumps(
            {
                "default_filters": json.dumps(
                    {
                        str(filter_box_id): {
                            "name": ["Alice", "Bob"],
                            "__time_range": "100 years ago : today",
                        }
                    }
                ),
                "filter_scopes": {
                    str(filter_box_id): {
                        "__time_range": {"scope": ["ROOT_ID"], "immune": [chart_id]}
                    }
                },
            }
        )
        result = get_form_data(chart_id, dashboard)
        expected = {
            "slice_id": chart_id,
            "extra_filters": [{"col": "name", "op": "in", "val": ["Alice", "Bob"]}],
        }
        self.assertEqual(result, expected)

    def test_get_form_data_no_extra_filters(self):
        chart_id = 1
        filter_box_id = 2
        dashboard = MagicMock()
        dashboard.position_json = json.dumps(mock_positions)
        dashboard.json_metadata = json.dumps(
            {
                "default_filters": json.dumps(
                    {str(filter_box_id): {"__time_range": "100 years ago : today"}}
                ),
                "filter_scopes": {
                    str(filter_box_id): {
                        "__time_range": {"scope": ["ROOT_ID"], "immune": [chart_id]}
                    }
                },
            }
        )
        result = get_form_data(chart_id, dashboard)
        expected = {"slice_id": chart_id}
        self.assertEqual(result, expected)

    def test_get_form_data(self):
        chart_id = 1
        filter_box_id = 2
        dashboard = MagicMock()
        dashboard.position_json = json.dumps(mock_positions)
        dashboard.json_metadata = json.dumps(
            {
                "default_filters": json.dumps(
                    {
                        str(filter_box_id): {
                            "name": ["Alice", "Bob"],
                            "__time_range": "100 years ago : today",
                        }
                    }
                )
            }
        )
        result = get_form_data(chart_id, dashboard)
        expected = {
            "slice_id": chart_id,
            "extra_filters": [
                {"col": "name", "op": "in", "val": ["Alice", "Bob"]},
                {"col": "__time_range", "op": "==", "val": "100 years ago : today"},
            ],
        }
        self.assertEqual(result, expected)

    def test_top_n_dashboards_strategy(self):
        # create a top visited dashboard
        db.session.query(Log).delete()
        self.login(username="admin")
        dash = self.get_dash_by_slug("births")
        for _ in range(10):
            self.client.get(f"/superset/dashboard/{dash.id}/")

        strategy = TopNDashboardsStrategy(1)
        result = sorted(strategy.get_urls())
        expected = sorted([f"{URL_PREFIX}{slc.url}" for slc in dash.slices])
        self.assertEqual(result, expected)

    def reset_tag(self, tag):
        """Remove associated object from tag, used to reset tests"""
        if tag.objects:
            for o in tag.objects:
                db.session.delete(o)
            db.session.commit()

    @pytest.mark.usefixtures("load_unicode_dashboard_with_slice")
    def test_dashboard_tags(self):
        tag1 = get_tag("tag1", db.session, TagTypes.custom)
        # delete first to make test idempotent
        self.reset_tag(tag1)

        strategy = DashboardTagsStrategy(["tag1"])
        result = sorted(strategy.get_urls())
        expected = []
        self.assertEqual(result, expected)

        # tag dashboard 'births' with `tag1`
        tag1 = get_tag("tag1", db.session, TagTypes.custom)
        dash = self.get_dash_by_slug("births")
        tag1_urls = sorted([f"{URL_PREFIX}{slc.url}" for slc in dash.slices])
        tagged_object = TaggedObject(
            tag_id=tag1.id, object_id=dash.id, object_type=ObjectTypes.dashboard
        )
        db.session.add(tagged_object)
        db.session.commit()

        self.assertEqual(sorted(strategy.get_urls()), tag1_urls)

        strategy = DashboardTagsStrategy(["tag2"])
        tag2 = get_tag("tag2", db.session, TagTypes.custom)
        self.reset_tag(tag2)

        result = sorted(strategy.get_urls())
        expected = []
        self.assertEqual(result, expected)

        # tag first slice
        dash = self.get_dash_by_slug("unicode-test")
        slc = dash.slices[0]
        tag2_urls = [f"{URL_PREFIX}{slc.url}"]
        object_id = slc.id
        tagged_object = TaggedObject(
            tag_id=tag2.id, object_id=object_id, object_type=ObjectTypes.chart
        )
        db.session.add(tagged_object)
        db.session.commit()

        result = sorted(strategy.get_urls())
        self.assertEqual(result, tag2_urls)

        strategy = DashboardTagsStrategy(["tag1", "tag2"])

        result = sorted(strategy.get_urls())
        expected = sorted(tag1_urls + tag2_urls)
        self.assertEqual(result, expected)