superset-frontend/plugins/legacy-preset-chart-nvd3/test/utils.test.js

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import {
  computeStackedYDomain,
  computeYDomain,
  getTimeOrNumberFormatter,
  formatLabel,
  tryNumify,
} from '../src/utils';

const DATA = [
  {
    key: ['East Asia & Pacific'],
    values: [
      {
        x: -315619200000.0,
        y: 1031863394.0,
      },
      {
        x: -283996800000.0,
        y: 1034767718.0,
      },
    ],
  },
  {
    key: ['South Asia'],
    values: [
      {
        x: -315619200000.0,
        y: 572036107.0,
      },
      {
        x: -283996800000.0,
        y: 584143236.0,
      },
    ],
  },
  {
    key: ['Europe & Central Asia'],
    values: [
      {
        x: -315619200000.0,
        y: 660881033.0,
      },
      {
        x: -283996800000.0,
        y: 668526708.0,
      },
    ],
  },
];

const DATA_WITH_DISABLED_SERIES = [
  {
    disabled: true,
    key: ['East Asia & Pacific'],
    values: [
      {
        x: -315619200000.0,
        y: 1031863394.0,
      },
      {
        x: -283996800000.0,
        y: 1034767718.0,
      },
    ],
  },
  {
    disabled: true,
    key: ['South Asia'],
    values: [
      {
        x: -315619200000.0,
        y: 572036107.0,
      },
      {
        x: -283996800000.0,
        y: 584143236.0,
      },
    ],
  },
  {
    key: ['Europe & Central Asia'],
    values: [
      {
        x: -315619200000.0,
        y: 660881033.0,
      },
      {
        x: -283996800000.0,
        y: 668526708.0,
      },
    ],
  },
];

describe('nvd3/utils', () => {
  describe('getTimeOrNumberFormatter(format)', () => {
    it('is a function', () => {
      expect(typeof getTimeOrNumberFormatter).toBe('function');
    });
    it('returns a date formatter if format is smart_date', () => {
      const time = new Date(Date.UTC(2018, 10, 21, 22, 11));
      expect(getTimeOrNumberFormatter('smart_date')(time)).toBe('10:11');
    });
    it('returns a number formatter otherwise', () => {
      expect(getTimeOrNumberFormatter('.3s')(3000000)).toBe('3.00M');
      expect(getTimeOrNumberFormatter()(3000100)).toBe('3M');
    });
  });

  describe('formatLabel()', () => {
    const verboseMap = {
      foo: 'Foo',
      bar: 'Bar',
    };

    it('formats simple labels', () => {
      expect(formatLabel('foo')).toBe('foo');
      expect(formatLabel(['foo'])).toBe('foo');
      expect(formatLabel(['foo', 'bar'])).toBe('foo, bar');
    });
    it('formats simple labels with lookups', () => {
      expect(formatLabel('foo', verboseMap)).toBe('Foo');
      expect(formatLabel('baz', verboseMap)).toBe('baz');
      expect(formatLabel(['foo'], verboseMap)).toBe('Foo');
      expect(formatLabel(['foo', 'bar', 'baz'], verboseMap)).toBe('Foo, Bar, baz');
    });
    it('deals with time shift properly', () => {
      expect(formatLabel(['foo', '1 hour offset'], verboseMap)).toBe('Foo, 1 hour offset');
      expect(formatLabel(['foo', 'bar', 'baz', '2 hours offset'], verboseMap)).toBe(
        'Foo, Bar, baz, 2 hours offset',
      );
    });
  });

  describe('tryNumify()', () => {
    it('tryNumify works as expected', () => {
      expect(tryNumify(5)).toBe(5);
      expect(tryNumify('5')).toBe(5);
      expect(tryNumify('5.1')).toBe(5.1);
      expect(tryNumify('a string')).toBe('a string');
    });
  });

  describe('computeYDomain()', () => {
    it('works with invalid data', () => {
      expect(computeYDomain('foo')).toEqual([0, 1]);
    });

    it('works with all series enabled', () => {
      expect(computeYDomain(DATA)).toEqual([572036107.0, 1034767718.0]);
    });

    it('works with some series disabled', () => {
      expect(computeYDomain(DATA_WITH_DISABLED_SERIES)).toEqual([660881033.0, 668526708.0]);
    });
  });

  describe('computeStackedYDomain()', () => {
    it('works with invalid data', () => {
      expect(computeStackedYDomain('foo')).toEqual([0, 1]);
    });

    it('works with all series enabled', () => {
      expect(computeStackedYDomain(DATA)).toEqual([0, 2287437662.0]);
    });

    it('works with some series disabled', () => {
      expect(computeStackedYDomain(DATA_WITH_DISABLED_SERIES)).toEqual([0, 668526708.0]);
    });
  });
});