jinbi-utils/test/number/index.test.ts

这是一个实用工具库，包含了多个常用的功能模块。以下是各个模块的详细说明：

import { toThousands, convertCurrency, formatFloat, ceil, floor } from '../../src';

describe('toThousands', () => {
  test(`toThousands('') 返回 '-'`, () => {
    expect(toThousands('')).toBe('-');
  })

  test(`toThousands('', '|') 返回 '|'`, () => {
    expect(toThousands('', '|')).toBe('|');
  })

  test(`toThousands(123) 返回 '123'`, () => {
    expect(toThousands(123)).toBe('123');
  })

  test(`toThousands(12323) 返回 '12,323'`, () => {
    expect(toThousands(12323)).toBe('12,323');
  })

  test(`toThousands('12323.12') 返回 '12,323.12'`, () => {
    expect(toThousands('12323.12')).toBe('12,323.12');
  })
});

describe('convertCurrency', () => {
  test(`convertCurrency() 返回 ''`, () => {
    expect(convertCurrency()).toBe('');
  })

  test(`convertCurrency('') 返回 ''`, () => {
    expect(convertCurrency('-')).toBe('零元整');
  })

  test(`convertCurrency(1999999999999999) 返回 ''`, () => {
    const value = '1999999999999999';
    expect(convertCurrency(value)).toBe(value);
  })

  test(`convertCurrency(0.012) 返回 '壹分贰毫'`, () => {
    expect(convertCurrency('0.012')).toBe('壹分贰毫');
  })

  test(`convertCurrency(0) 返回 '零元整'`, () => {
    expect(convertCurrency('0')).toBe('零元整');
  })

  test(`convertCurrency(12.12) 返回 '壹拾贰元壹角贰分'`, () => {
    expect(convertCurrency('12.12')).toBe('壹拾贰元壹角贰分');
  })

  test(`convertCurrency(1234567809) 返回 '壹拾贰亿叁仟肆佰伍拾陆万柒仟捌佰零玖元整'`, () => {
    expect(convertCurrency('1234567809')).toBe('壹拾贰亿叁仟肆佰伍拾陆万柒仟捌佰零玖元整');
  })
});

describe('formatFloat', () => {
  test(`formatFloat('NaN') 返回 ''`, () => {
    expect(formatFloat('NaN')).toBe('');
  })

  test(`formatFloat('1.2345') 返回 '1.23'`, () => {
    expect(formatFloat('1.2345')).toBe('1.23');
  })

  test(`formatFloat('1.2345') 返回 '1.235'`, () => {
    expect(formatFloat('1.2345', 3)).toBe('1.235');
  })

  test(`formatFloat('1', 3) 返回 '1.000'`, () => {
    expect(formatFloat('1', 3)).toBe('1.000');
  })
});

describe('ceil', () => {
  test(`ceil('') 返回 ''`, () => {
    expect(ceil('')).toBe('');
  })

  test(`ceil('1.23') 返回 2`, () => {
    expect(ceil('1.23')).toBe(2);
  })

  test(`ceil('1.234', 2) 返回 1.24`, () => {
    expect(ceil('1.234', 2)).toBe(1.24);
  })

  test(`ceil('1.230', 2) 返回 1.23`, () => {
    expect(ceil('1.230', 2)).toBe(1.23);
  })
});

describe('floor', () => {
  test(`floor('') 返回 ''`, () => {
    expect(floor('')).toBe('');
  })

  test(`floor('1.23') 返回 1`, () => {
    expect(floor('1.23')).toBe(1);
  })

  test(`floor('1.234', 2) 返回 1.23`, () => {
    expect(floor('1.234', 2)).toBe(1.23);
  })

  test(`floor('1.230', 2) 返回 1.23`, () => {
    expect(floor('1.230', 2)).toBe(1.23);
  })
});