/
amount-formatter.spec.ts
404 lines (368 loc) · 15.7 KB
/
amount-formatter.spec.ts
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import {
getDigitsOnly,
manageSign,
truncateValue,
toStandardSeparator,
validateNumber,
commonValidation,
interpretValue,
formatInputForDisplay,
ThousandGroupingStyle,
formatInputForInput,
} from '../../src/utils/amount-formatter';
it('getDigitsOnly should only return digits', () => {
expect(getDigitsOnly('-12frewqt34ffdasd.,[{}\'"fsae')).toEqual('1234');
expect(getDigitsOnly('+frewqtffdasd.,[{}\'"fsae')).toEqual('');
});
it('truncateValue should return the value untouched when decimals is undefined', () => {
expect(truncateValue('1234.56789', undefined)).toEqual('1234.56789');
expect(truncateValue('foobar', undefined)).toEqual('foobar');
});
it('truncateValue should return the integer (number only) part of the value when decimals is not finite', () => {
expect(truncateValue('1234.56789', 1 / 0)).toEqual('1234');
expect(truncateValue('foo.12bar', 1 / 0)).toEqual('');
expect(truncateValue('12foo.bar', 1 / 0)).toEqual('12');
});
it('truncateValue should return the number with truncation', () => {
expect(truncateValue('1234.56789', 0)).toEqual('1234');
expect(truncateValue('foo.12bar', 2)).toEqual('.12');
expect(truncateValue('12foo.bar', 2)).toEqual('12.');
expect(truncateValue('12foobar', 2)).toEqual('12');
});
it('manageSign should maintain a single - sign', () => {
expect(manageSign('-12')).toEqual(['-', '12']);
expect(manageSign('12.foo-bar.')).toEqual(['-', '12.foobar.']);
});
it('manageSign should remove any + sign', () => {
expect(manageSign('12+')).toEqual(['', '12']);
expect(manageSign('12.foobar+')).toEqual(['', '12.foobar']);
expect(manageSign('12A+.')).toEqual(['', '12A.']);
});
it('manageSign should remove - sign when they are in an even number', () => {
expect(manageSign('--+12foobar')).toEqual(['', '12foobar']);
expect(manageSign('-1-2-+-12foobar')).toEqual(['', '1212foobar']);
expect(manageSign('112fooba++r2.+')).toEqual(['', '112foobar2.']);
});
it('toStandardSeparator replace the decimal separator and thousand separator', () => {
expect(toStandardSeparator('12 345,6789', ',', ' ')).toEqual('12345.6789');
expect(toStandardSeparator('12345.6789', '.', '')).toEqual('12345.6789');
expect(toStandardSeparator("12'345.6789", '.', "'")).toEqual('12345.6789');
expect(toStandardSeparator("12'3456789", '.', "'")).toEqual('123456789');
expect(toStandardSeparator(',', ',', ' ')).toEqual('.');
});
it('validateNumber should exact match number', () => {
expect(validateNumber(1234)).toEqual(false);
// eslint-disable-next-line @typescript-eslint/no-loss-of-precision
expect(validateNumber(112_233_445_566_778.800_99)).toEqual(false);
expect(validateNumber('1234')).toEqual(false);
expect(validateNumber('1234.56789')).toEqual(false);
expect(validateNumber('-.')).toEqual(false);
expect(validateNumber('-1234.56789')).toEqual(false);
expect(validateNumber('.')).toEqual(false);
});
it('validateNumber should best fit the number', () => {
expect(validateNumber(undefined)).toEqual(true);
expect(validateNumber(1 / 0)).toEqual(true);
expect(validateNumber('-1234.567.89')).toEqual(true);
expect(validateNumber('.-')).toEqual(true);
expect(validateNumber('-')).toEqual(true);
expect(validateNumber('-foobar+')).toEqual(true);
expect(validateNumber('-')).toEqual(true);
});
it('commonValidation should throw error when input are incorrect', () => {
expect(() => {
commonValidation('100000', 2, '.', '.');
}).toThrow('thousandSeparator and decimalSeparator must be different');
expect(() => {
commonValidation('100000', 2, ' .', '.');
}).toThrow('decimalSeparator must be a single character long');
expect(() => {
commonValidation('100000', 2, '.', ' . ');
}).toThrow(
'thousandSeparator must be either an empty character or a single character long',
);
expect(() => {
commonValidation('100000', 2, ' ', '.');
}).toThrow('decimalSeparator must be a non blank character');
});
it('commonValidation extract information from input', () => {
expect(commonValidation('-23.')).toEqual({
sign: '-',
integer: '23',
decimal: undefined,
approximation: false,
});
expect(commonValidation('-23.', 2, '.', ',')).toEqual({
sign: '-',
integer: '23',
decimal: '',
approximation: false,
});
expect(commonValidation('-23', 0, '.', ',')).toEqual({
sign: '-',
integer: '23',
decimal: undefined,
approximation: false,
});
expect(commonValidation('-2 309,43', 2, ',', ' ')).toEqual({
sign: '-',
integer: '2309',
decimal: '43',
approximation: false,
});
expect(commonValidation('3245223,09,43', 2, ',', '')).toEqual({
sign: '',
integer: '3245223',
decimal: '09',
approximation: true,
});
expect(commonValidation('3245223,09,43', 0, ',', ' ')).toEqual({
sign: '',
integer: '3245223',
decimal: undefined,
approximation: true,
});
expect(commonValidation('32452ER23,0TRE9,43', 6, ',', ' ')).toEqual({
sign: '',
integer: '3245223',
decimal: '0943',
approximation: true,
});
expect(commonValidation(undefined, 2, ',', ' ')).toEqual({
sign: '',
integer: '',
decimal: undefined,
approximation: true,
});
expect(commonValidation(',', 2, ',', ' ')).toEqual({
sign: '',
integer: '',
decimal: '',
approximation: false,
});
});
it('Basic interpretting', () => {
expect(interpretValue('1,235', 0, '.', ',')).toEqual('1235');
expect(interpretValue('1,235')).toEqual('1235');
expect(interpretValue('1 234,56', 2, ',', ' ')).toEqual('1234.56');
expect(interpretValue('1234.57', 2, '.', '')).toEqual('1234.57');
expect(interpretValue('67,00', 2, ',', '.')).toEqual('67.00');
expect(interpretValue('1,000')).toEqual('1000');
expect(interpretValue('67.31', 0, '.', ',')).toEqual('67');
expect(interpretValue('1,000.6', 0, '.', ',')).toEqual('1000');
expect(interpretValue('67.000,00000', 5, ',', '.')).toEqual('67000.00000');
expect(interpretValue('1', 0, '.', ',')).toEqual('1');
expect(interpretValue('1.2345.6789,00000', 5, ',', '.')).toEqual(
'123456789.00000',
);
expect(interpretValue('123456789,00000', 5, ',', '')).toEqual(
'123456789.00000',
);
expect(interpretValue('12.34.56.789,00000', 5, ',', '.')).toEqual(
'123456789.00000',
);
expect(interpretValue('12.34.56.789.00000', 0, '.', ',')).toEqual('12');
expect(interpretValue('12.34.56.789.000,00', 0, '.', ',')).toEqual('12');
});
it('Errornous formatting', () => {
expect(interpretValue(undefined)).toEqual('');
expect(interpretValue(undefined, 2, ',', '')).toEqual('');
expect(interpretValue('L', 2, ',', '.')).toEqual('');
expect(interpretValue('L', 2, ',', '')).toEqual('');
expect(() => {
interpretValue('100000', 2, '.', '.');
}).toThrow('thousandSeparator and decimalSeparator must be different');
expect(() => {
interpretValue('100000', 2, '.', ' . ');
}).toThrow(
'thousandSeparator must be either an empty character or a single character long',
);
});
it('Basic formatting for display of positive values', () => {
expect(formatInputForDisplay(1234.56)).toEqual('1,234');
expect(formatInputForDisplay(1234.56, 2, ',', ' ')).toEqual('1 234,56');
expect(formatInputForDisplay(1234.5678, 2, '.', '')).toEqual('1234.56');
expect(formatInputForDisplay(67, 2, ',', '.')).toEqual('67,00');
expect(formatInputForDisplay(1000)).toEqual('1,000');
expect(formatInputForDisplay(67.311, 2)).toEqual('67.31');
expect(formatInputForDisplay(1000.551, 1)).toEqual('1,000.5');
expect(formatInputForDisplay(67_000, 5, ',', '.')).toEqual('67.000,00000');
expect(formatInputForDisplay(0.9, 0)).toEqual('0');
expect(
formatInputForDisplay(123_456_789, 5, ',', '.', ThousandGroupingStyle.WAN),
).toEqual('1.2345.6789,00000');
expect(
formatInputForDisplay(123_456_789, 5, ',', '.', ThousandGroupingStyle.LAKH),
).toEqual('12.34.56.789,00000');
expect(formatInputForDisplay(11_223_344_556_677.123, 4, '.', '')).toEqual(
'11223344556677.1230',
);
// eslint-disable-next-line @typescript-eslint/no-loss-of-precision
expect(formatInputForDisplay(11_223_344_556_677.1234, 4)).toEqual(
'11,223,344,556,677.1230',
);
});
it('Basic formatting for display of negative values', () => {
expect(formatInputForDisplay(-1234.56)).toEqual('-1,234');
expect(formatInputForDisplay(-1234.56, 2, ',', ' ')).toEqual('-1 234,56');
expect(formatInputForDisplay(-1234.5678, 2, '.', '')).toEqual('-1234.56');
expect(formatInputForDisplay(-67, 2, ',', '.')).toEqual('-67,00');
expect(formatInputForDisplay(-1000)).toEqual('-1,000');
expect(formatInputForDisplay(-67.311, 2)).toEqual('-67.31');
expect(formatInputForDisplay(-1000.551, 1)).toEqual('-1,000.5');
expect(formatInputForDisplay(-67_000, 5, ',', '.')).toEqual('-67.000,00000');
expect(formatInputForDisplay(-0.9, 0)).toEqual('0');
expect(
formatInputForDisplay(-123_456_789, 5, ',', '.', ThousandGroupingStyle.WAN),
).toEqual('-1.2345.6789,00000');
expect(
formatInputForDisplay(
-123_456_789,
5,
',',
'.',
ThousandGroupingStyle.LAKH,
),
).toEqual('-12.34.56.789,00000');
// eslint-disable-next-line @typescript-eslint/no-loss-of-precision
expect(formatInputForDisplay(-11_223_344_556_677.1234, 4)).toEqual(
'-11,223,344,556,677.1230',
);
});
it('String formatting for display', () => {
expect(formatInputForDisplay('1.20', 2)).toEqual('1.20');
expect(formatInputForDisplay('1.20', 4)).toEqual('1.2000');
expect(formatInputForDisplay('1.2000', 3)).toEqual('1.200');
expect(formatInputForDisplay('1234.56')).toEqual('1,234');
expect(formatInputForDisplay('1234.56', 2, ',', ' ')).toEqual('1 234,56');
expect(formatInputForDisplay('1234.5678', 2, '.', '')).toEqual('1234.56');
expect(formatInputForDisplay('67', 2, ',', '.')).toEqual('67,00');
expect(formatInputForDisplay('1000')).toEqual('1,000');
expect(formatInputForDisplay('67.311', 2)).toEqual('67.31');
expect(formatInputForDisplay('1000.551', 1)).toEqual('1,000.5');
expect(formatInputForDisplay('67000', 5, ',', '.')).toEqual('67.000,00000');
expect(formatInputForDisplay('0.9', 0)).toEqual('0');
expect(formatInputForDisplay('-0.01', -1)).toEqual('0.0');
expect(formatInputForDisplay('11223344556677.12340', 4)).toEqual(
'11,223,344,556,677.1234',
);
});
it('Errornous formatting for display', () => {
expect(formatInputForDisplay(undefined)).toEqual('-');
expect(formatInputForDisplay(undefined, 2, ',', '')).toEqual('-');
expect(formatInputForDisplay('L', 2, ',', ' ')).toEqual('-');
expect(formatInputForDisplay('L', -2, ',', '')).toEqual('-');
expect(formatInputForDisplay('12.34.56.789.00000')).toEqual('-');
expect(formatInputForDisplay(1 / 0)).toEqual('-');
expect(formatInputForDisplay(10, 1 / 0)).toEqual('10');
expect(
formatInputForDisplay(
1 / 0,
5,
',',
'.',
ThousandGroupingStyle.THOUSAND,
'*',
),
).toEqual('*');
expect(() => {
formatInputForDisplay('100000', -2, '.', '.');
}).toThrow('thousandSeparator and decimalSeparator must be different');
});
it('Basic formatting for input of positive values', () => {
expect(formatInputForInput(1234.56)).toEqual('1,234');
expect(formatInputForInput(1234.56, 2, ',', ' ')).toEqual('1 234,56');
expect(formatInputForInput(1234.5678, 2, '.', '')).toEqual('1234.56');
expect(formatInputForInput(67, 2, ',', '.')).toEqual('67');
expect(formatInputForInput(1000)).toEqual('1,000');
expect(formatInputForInput(67.311, 2)).toEqual('67.31');
expect(formatInputForInput(1000.551, 1)).toEqual('1,000.5');
expect(formatInputForInput(67_000, 5, ',', '.')).toEqual('67.000');
expect(formatInputForInput(0.9, 0)).toEqual('0');
expect(
formatInputForInput(123_456_789, 5, ',', '.', ThousandGroupingStyle.WAN),
).toEqual('1.2345.6789');
expect(
formatInputForInput(123_456_789, 5, ',', '.', ThousandGroupingStyle.LAKH),
).toEqual('12.34.56.789');
// eslint-disable-next-line @typescript-eslint/no-loss-of-precision
expect(formatInputForInput(11_223_344_556_677.1234, 4)).toEqual(
'11,223,344,556,677.123',
);
});
it('Basic formatting for input of negative values', () => {
expect(formatInputForInput(-1234.56)).toEqual('-1,234');
expect(formatInputForInput(-1234.56, 2, ',', ' ')).toEqual('-1 234,56');
expect(formatInputForInput(-1234.5678, 2, '.', '')).toEqual('-1234.56');
expect(formatInputForInput(-67, 2, ',', '.')).toEqual('-67');
expect(formatInputForInput(-1000)).toEqual('-1,000');
expect(formatInputForInput(-67.311, 2)).toEqual('-67.31');
expect(formatInputForInput(-1000.551, 1)).toEqual('-1,000.5');
expect(formatInputForInput(-67_000, 5, ',', '.')).toEqual('-67.000');
expect(formatInputForInput(-0.9, 0)).toEqual('-0');
expect(
formatInputForInput(-123_456_789, 5, ',', '.', ThousandGroupingStyle.WAN),
).toEqual('-1.2345.6789');
expect(
formatInputForInput(-123_456_789, 5, ',', '.', ThousandGroupingStyle.LAKH),
).toEqual('-12.34.56.789');
// eslint-disable-next-line @typescript-eslint/no-loss-of-precision
expect(formatInputForInput(-11_223_344_556_677.1234, 4)).toEqual(
'-11,223,344,556,677.123',
);
});
it('String formatting for input of positive values', () => {
expect(formatInputForInput('1.20', 2)).toEqual('1.20');
expect(formatInputForInput('1.20', 4)).toEqual('1.20');
expect(formatInputForInput('1.2000', 3)).toEqual('1.200');
expect(formatInputForInput('1234.56')).toEqual('1,234');
expect(formatInputForInput('1234.56', 2, ',', ' ')).toEqual('1 234,56');
expect(formatInputForInput('1234.5678', 2, '.', '')).toEqual('1234.56');
expect(formatInputForInput('67', 2, ',', '.')).toEqual('67');
expect(formatInputForInput('1000')).toEqual('1,000');
expect(formatInputForInput('67.311', 2)).toEqual('67.31');
expect(formatInputForInput('1000.551', 1)).toEqual('1,000.5');
expect(formatInputForInput('67000', 5, ',', '.')).toEqual('67.000');
expect(formatInputForInput('0.9', 0)).toEqual('0');
expect(formatInputForInput('11223344556677.12340', 4)).toEqual(
'11,223,344,556,677.1234',
);
});
it('String formatting for input of negative values', () => {
expect(formatInputForInput('-1.20', 2)).toEqual('-1.20');
expect(formatInputForInput('-1.20', 4)).toEqual('-1.20');
expect(formatInputForInput('-1.2000', 3)).toEqual('-1.200');
expect(formatInputForInput('-1234.56')).toEqual('-1,234');
expect(formatInputForInput('-1234.56', 2, ',', ' ')).toEqual('-1 234,56');
expect(formatInputForInput('-1234.5678', 2, '.', '')).toEqual('-1234.56');
expect(formatInputForInput('-67', 2, ',', '.')).toEqual('-67');
expect(formatInputForInput('-1000')).toEqual('-1,000');
expect(formatInputForInput('-67.311', 2)).toEqual('-67.31');
expect(formatInputForInput('-1000.551', 1)).toEqual('-1,000.5');
expect(formatInputForInput('-67000', 5, ',', '.')).toEqual('-67.000');
expect(formatInputForInput('-0.9', 0)).toEqual('-0');
expect(formatInputForInput('-000001.', 2)).toEqual('-000001.');
expect(formatInputForInput('-11223344556677.12340', 4)).toEqual(
'-11,223,344,556,677.1234',
);
expect(formatInputForInput('12.34.56.789.00000')).toEqual('12');
expect(formatInputForInput('-12.34.--56.789.00000')).toEqual('-12');
});
it('Errornous formatting for input', () => {
expect(formatInputForInput(undefined)).toEqual('');
expect(formatInputForInput(undefined, 2, ',', '')).toEqual('');
expect(formatInputForInput('L', 2, ',', ' ')).toEqual('');
expect(formatInputForInput('L', -2, ',', '')).toEqual('');
expect(formatInputForInput('-')).toEqual('-');
expect(() => {
formatInputForInput('100000', -2, '.', '.');
}).toThrow('thousandSeparator and decimalSeparator must be different');
expect(() => {
formatInputForInput('100000', -2, ' .', '.');
}).toThrow('decimalSeparator must be a single character long');
expect(() => {
formatInputForInput('100000', -2, '.', ' . ');
}).toThrow(
'thousandSeparator must be either an empty character or a single character long',
);
});