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tests.ts
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import { String, StringBuilder, isNullOrWhiteSpace, formatString, joinString } from '..';
import { Fruit } from './fruit';
import { expect } from 'chai';
import 'mocha';
let newLine = '\r\n';
const isNode = new Function('try {return this===global;}catch(e){return false;}');
if (isNode()) {
console.log('running under node.js');
const isWindows = typeof process != 'undefined' && 'win32' === process.platform;
if (!isWindows) {
newLine = '\n';
}
}
describe('String.IsNullOrWhitespace', () => {
it('should return true on null string', () => {
const teststring: string | null = null;
let result = String.IsNullOrWhiteSpace(teststring);
expect(result).to.equal(true);
result = String.isNullOrWhiteSpace(teststring);
expect(result).to.equal(true);
result = isNullOrWhiteSpace(teststring);
expect(result).to.equal(true);
});
it('should return true on empty string', () => {
const teststring = '';
let result = String.IsNullOrWhiteSpace(teststring);
expect(result).to.equal(true);
result = String.isNullOrWhiteSpace(teststring);
expect(result).to.equal(true);
result = isNullOrWhiteSpace(teststring);
expect(result).to.equal(true);
});
it('should return true only whitespace', () => {
const teststring = ' ';
let result = String.IsNullOrWhiteSpace(teststring);
expect(result).to.equal(true);
result = String.isNullOrWhiteSpace(teststring);
expect(result).to.equal(true);
result = isNullOrWhiteSpace(teststring);
expect(result).to.equal(true);
});
it('should return false contains non-whitespace characters', () => {
const teststring = ' s ';
let result = String.IsNullOrWhiteSpace(teststring);
expect(result).to.equal(false);
result = String.isNullOrWhiteSpace(teststring);
expect(result).to.equal(false);
result = isNullOrWhiteSpace(teststring);
expect(result).to.equal(false);
});
});
describe('String.Format Number Pattern', () => {
describe('Placeholders', () => {
it('should return template if no format is found', () => {
const template = 'Bar';
const valueToInsert = 'Foo';
let result = String.Format(template, valueToInsert);
expect(result).to.equal(template);
result = String.format(template, valueToInsert);
expect(result).to.equal(template);
result = formatString(template, valueToInsert);
expect(result).to.equal(template);
});
it('should format the string correct', () => {
const template = '{0}';
const valueToInsert = 'Foo';
let result = String.Format(template, valueToInsert);
expect(result).to.equal(valueToInsert);
result = String.format(template, valueToInsert);
expect(result).to.equal(valueToInsert);
result = formatString(template, valueToInsert);
expect(result).to.equal(valueToInsert);
});
it('should format the string correct multiple times', () => {
const template = '{0}Bar{0}';
const valueToInsert = 'Foo';
const expectedValue = 'FooBarFoo';
let result = String.Format(template, valueToInsert);
expect(result).to.equal(expectedValue);
result = String.format(template, valueToInsert);
expect(result).to.equal(expectedValue);
result = formatString(template, valueToInsert);
expect(result).to.equal(expectedValue);
});
it('should format the string correct multiple values', () => {
const template = '{0}Bar{1}';
const valueToInsert = 'Foo';
const secondValueToInsert = 'Baz';
const expectedValue = 'FooBarBaz';
let result = String.Format(template, valueToInsert, secondValueToInsert);
expect(result).to.equal(expectedValue);
result = String.format(template, valueToInsert, secondValueToInsert);
expect(result).to.equal(expectedValue);
result = formatString(template, valueToInsert, secondValueToInsert);
expect(result).to.equal(expectedValue);
});
});
describe('formating', () => {
describe('dates', () => {
it('should set the correct display date using Date', () => {
const template = '{0:d}';
const valueToInsert = new Date(2017, 4, 13);
const expectedValue = '13.04.2017';
let result = String.Format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = String.format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = formatString(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
});
it('should set the correct sortable date using Date', () => {
const template = '{0:s}';
const valueToInsert = new Date(2017, 4, 13);
const expectedValue = '2017-04-13';
let result = String.Format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = String.format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = formatString(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
});
it('should set the correct display date using string', () => {
const template = '{0:d}';
const valueToInsert = '2017-01-23 00:00';
const expectedValue = '23.01.2017';
let result = String.Format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = String.format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = formatString(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
});
it('should set the correct sortable date using string', () => {
const template = '{0:s}';
const valueToInsert = '21.03.2017 22:15:01';
const expectedValue = '2017-03-21T22:15:01';
let result = String.Format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = String.format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = formatString(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
});
it('should set the correct sortable date without time using string', () => {
const template = '{0:s}';
const valueToInsert = '21.03.2017';
const expectedValue = '2017-03-21T00:00:00';
let result = String.Format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = String.format(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
result = formatString(template, valueToInsert);
console.log(result);
expect(result).to.equal(expectedValue);
});
});
describe('uppercasing', () => {
it('should return the string as uppercase', () => {
const expectedValue = 'AWESOME';
const template = '{0:U}';
const valueToInsert = 'awesome';
let actual = String.Format(template, valueToInsert);
expect(actual).to.equal(expectedValue);
actual = String.format(template, valueToInsert);
expect(actual).to.equal(expectedValue);
actual = formatString(template, valueToInsert);
expect(actual).to.equal(expectedValue);
});
it('should return the string as lowercase', () => {
const expectedValue = 'awesome';
const template = '{0:L}';
const valueToInsert = 'AWESOME';
let actual = String.Format(template, valueToInsert);
expect(actual).to.equal(expectedValue);
actual = String.format(template, valueToInsert);
expect(actual).to.equal(expectedValue);
actual = formatString(template, valueToInsert);
expect(actual).to.equal(expectedValue);
});
});
describe('numbers', () => {
it('should not pad without specifier using {0}', () => {
const template = '{0}';
let result = String.Format(template, 5);
expect(result).to.equal('5');
result = String.format(template, 5);
expect(result).to.equal('5');
result = formatString(template, 5);
expect(result).to.equal('5');
});
it('should pad 5 to 05 using {0:00}', () => {
const template = '{0:00}';
let result = String.Format(template, 5);
expect(result).to.equal('05');
result = String.format(template, 5);
expect(result).to.equal('05');
result = formatString(template, 5);
expect(result).to.equal('05');
});
it('should pad 5 to 005 using {0:000}', () => {
const template = '{0:000}';
let result = String.Format(template, 5);
expect(result).to.equal('005');
result = String.format(template, 5);
expect(result).to.equal('005');
result = formatString(template, 5);
expect(result).to.equal('005');
});
it('should ignore padding when input is longer then template', () => {
const template = '{0:000}';
let result = String.Format(template, 50000);
expect(result).to.equal('50000');
result = String.format(template, 50000);
expect(result).to.equal('50000');
result = formatString(template, 50000);
expect(result).to.equal('50000');
});
it('should set the correct thousands seperator', () => {
const template = '{0:n}';
const valueToInsert = '10000000000';
const expectedValue = '10.000.000.000';
let result = String.Format(template, valueToInsert);
expect(result).to.equal(expectedValue);
result = String.format(template, valueToInsert);
expect(result).to.equal(expectedValue);
result = formatString(template, valueToInsert);
expect(result).to.equal(expectedValue);
});
it('should set the correct thousands seperator keeping the decimals', () => {
const template = '{0:n}';
const valueToInsert = '10000000000,12345';
const expectedValue = '10.000.000.000,12345';
let result = String.Format(template, valueToInsert);
expect(result).to.equal(expectedValue);
result = String.format(template, valueToInsert);
expect(result).to.equal(expectedValue);
result = formatString(template, valueToInsert);
expect(result).to.equal(expectedValue);
});
});
describe('hexadecimal', () => {
it('number should be converted to hex lowercase', () => {
let result = String.Format('{0:x}', 500);
expect(result).to.equal('1f4');
result = String.format('{0:x}', 500);
expect(result).to.equal('1f4');
result = formatString('{0:x}', 500);
expect(result).to.equal('1f4');
});
it('number should be converted to hex uppercase', () => {
let result = String.Format('{0:X}', 500);
expect(result).to.equal('1F4');
result = String.format('{0:X}', 500);
expect(result).to.equal('1F4');
result = formatString('{0:X}', 500);
expect(result).to.equal('1F4');
});
it('decimal should be converted to hex lowercase', () => {
let result = String.Format('{0:x}', 321.124);
expect(result).to.equal('141.1fbe76c8b44');
result = String.format('{0:x}', 321.124);
expect(result).to.equal('141.1fbe76c8b44');
result = formatString('{0:x}', 321.124);
expect(result).to.equal('141.1fbe76c8b44');
});
it('decimal should be converted to hex uppercase', () => {
let result = String.Format('{0:X}', 321.124);
expect(result).to.equal('141.1FBE76C8B44');
result = String.format('{0:X}', 321.124);
expect(result).to.equal('141.1FBE76C8B44');
result = formatString('{0:X}', 321.124);
expect(result).to.equal('141.1FBE76C8B44');
});
it('minus decimal should be converted to hex lowercase', () => {
let result = String.Format('{0:x}', -321.124);
expect(result).to.equal('-141.1fbe76c8b44');
result = String.format('{0:x}', -321.124);
expect(result).to.equal('-141.1fbe76c8b44');
result = formatString('{0:x}', -321.124);
expect(result).to.equal('-141.1fbe76c8b44');
});
it('minus decimal should be converted to hex uppercase', () => {
let result = String.Format('{0:X}', -321.124);
expect(result).to.equal('-141.1FBE76C8B44');
result = String.format('{0:X}', -321.124);
expect(result).to.equal('-141.1FBE76C8B44');
result = formatString('{0:X}', -321.124);
expect(result).to.equal('-141.1FBE76C8B44');
});
});
});
});
describe('String.Format Text Pattern', () => {
describe('formatting', () => {
it('Should parse out the word', () => {
// Arrange
const fruit = { type: 'apple', color: 'red' };
// Act
// Assert
let formatted = String.Format('the {type} is {color}', fruit);
expect(formatted).to.equal('the apple is red');
formatted = String.format('the {type} is {color}', fruit);
expect(formatted).to.equal('the apple is red');
formatted = formatString('the {type} is {color}', fruit);
expect(formatted).to.equal('the apple is red');
});
it('Should parse out the word with specifiers and TS Class', () => {
// Arrange
const fruit: Fruit = new Fruit('apple', 'RED', '31.12.2018 01:02:03', '10000');
// Act
// Assert
let formatted = String.Format('the {type:U} is {color:L} shipped on {shippingDate:s} with an amount of {amount:n}', fruit);
expect(formatted).to.equal('the APPLE is red shipped on 2018-12-31T01:02:03 with an amount of 10.000');
formatted = String.format('the {type:U} is {color:L} shipped on {shippingDate:s} with an amount of {amount:n}', fruit);
expect(formatted).to.equal('the APPLE is red shipped on 2018-12-31T01:02:03 with an amount of 10.000');
formatted = formatString('the {type:U} is {color:L} shipped on {shippingDate:s} with an amount of {amount:n}', fruit);
expect(formatted).to.equal('the APPLE is red shipped on 2018-12-31T01:02:03 with an amount of 10.000');
});
});
});
describe('String.Join', () => {
it('should join the given strings passed as args', () => {
const stringOne = 'red', stringTwo = 'yellow', stringThree = 'blue';
let result = String.Join('; ', stringOne, stringTwo, stringThree);
expect(result).to.equal('red; yellow; blue');
result = String.join('; ', stringOne, stringTwo, stringThree);
expect(result).to.equal('red; yellow; blue');
result = joinString('; ', stringOne, stringTwo, stringThree);
expect(result).to.equal('red; yellow; blue');
});
it('should join the given array', () => {
const object = ['red', 'yellow', 'blue'];
let result = String.Join('; ', object);
expect(result).to.equal('red; yellow; blue');
result = String.join('; ', object);
expect(result).to.equal('red; yellow; blue');
result = joinString('; ', object);
expect(result).to.equal('red; yellow; blue');
});
it('should join the given object', () => {
const object = { Name: 'Foo', Value: 'Bar' };
let result = String.Join('.', object);
console.log(result);
expect(result).to.equal('Foo.Bar');
result = String.join('.', object);
console.log(result);
expect(result).to.equal('Foo.Bar');
result = joinString('.', object);
console.log(result);
expect(result).to.equal('Foo.Bar');
});
});
describe('StringBuilder initialization', () => {
it('should not add empty string if there is no ctor parameter', () => {
const builder = new StringBuilder();
builder.Append('First Part... ');
builder.Append('Second Part...');
expect(builder.ToString()).to
.equal('First Part... Second Part...');
});
it('should add a string if there is ctor parameter', () => {
const builder = new StringBuilder(formatString('First {0}... ', 'Part'));
builder.AppendFormat('Second {0}...', 'Part');
console.log(builder.ToString());
expect(builder.ToString()).to
.equal('First Part... Second Part...');
});
});
describe('StringBuilderng.Append', () => {
it('should append characters', () => {
const builder = new StringBuilder();
builder.Append('First Part... ');
builder.Append('Second Part...');
expect(builder.ToString()).to
.equal('First Part... Second Part...');
});
it('should append characters', () => {
const builder = new StringBuilder();
builder.AppendFormat('First {0}... ', 'Part');
builder.AppendFormat('Second {0}...', 'Part');
console.log(builder.ToString());
expect(builder.ToString()).to
.equal('First Part... Second Part...');
});
});
describe('StringBuilder.AppendLine', () => {
it('should append characters and new line', () => {
const builder = new StringBuilder();
builder.AppendLine('First Line...');
builder.AppendLine('Second Line...');
expect(builder.ToString()).to
.equal(`${newLine}First Line...${newLine}Second Line...`);
});
it('should append characters and new line', () => {
const builder = new StringBuilder();
builder.AppendLineFormat('First {0}...', 'Line');
builder.AppendLineFormat('Second {0}...', 'Line');
console.log(builder.ToString());
expect(builder.ToString()).to
.equal(`${newLine}First Line...${newLine}Second Line...`);
});
it('should append characters and new line', () => {
const builder = new StringBuilder();
builder.AppendLine('First Line...');
builder.AppendLine('Second Line...');
console.log(builder.ToString());
expect(builder.ToString()).to
.equal(`${newLine}First Line...${newLine}Second Line...`);
});
});