Jamie Wong
aee4534de4
This sets up the first bit of test infrastructure to write and run unit tests on every PR Related to #14 Fixes #7
67 lines
1.7 KiB
TypeScript
67 lines
1.7 KiB
TypeScript
import {
|
|
sortBy,
|
|
getOrInsert,
|
|
getOrElse,
|
|
getOrThrow,
|
|
itMap,
|
|
itForEach,
|
|
itReduce,
|
|
zeroPad,
|
|
} from './utils'
|
|
|
|
test('sortBy', () => {
|
|
const ls = ['a3', 'b2', 'c1', 'd4']
|
|
sortBy(ls, k => k.charCodeAt(1))
|
|
expect(ls).toEqual(['c1', 'b2', 'a3', 'd4'])
|
|
})
|
|
|
|
test('getOrInsert', () => {
|
|
const m = new Map<string, number>()
|
|
expect(getOrInsert(m, 'hello', k => k.length)).toBe(5)
|
|
expect(getOrInsert(m, 'hello', k => 2 * k.length)).toBe(5)
|
|
expect(getOrInsert(m, 'x', k => k.length)).toBe(1)
|
|
expect(m.get('hello')).toBe(5)
|
|
expect(m.get('x')).toBe(1)
|
|
})
|
|
|
|
test('getOrElse', () => {
|
|
const m = new Map<string, number>()
|
|
expect(getOrElse(m, 'hello', k => k.length)).toBe(5)
|
|
expect(getOrElse(m, 'hello', k => 2 * k.length)).toBe(10)
|
|
expect(getOrElse(m, 'x', k => k.length)).toBe(1)
|
|
expect(getOrElse(m, 'x', () => 3)).toBe(3)
|
|
expect(m.get('hello')).toBe(undefined)
|
|
expect(m.get('x')).toBe(undefined)
|
|
})
|
|
|
|
test('getOrThrow', () => {
|
|
const m = new Map<string, number>()
|
|
m.set('hello', 5)
|
|
expect(getOrThrow(m, 'hello')).toBe(5)
|
|
expect(() => getOrThrow(m, 'goodbye')).toThrow('Expected key goodbye')
|
|
})
|
|
|
|
test('itMap', () => {
|
|
const s = new Set<number>([1, 2, 3])
|
|
expect(new Set(itMap(s, v => v * v))).toEqual(new Set([1, 4, 9]))
|
|
})
|
|
|
|
test('itForEach', () => {
|
|
const s = new Set<number>([1, 2, 3])
|
|
const t = new Set()
|
|
itForEach(s, v => t.add(v * v))
|
|
expect(t).toEqual(new Set([1, 4, 9]))
|
|
})
|
|
|
|
test('itReduce', () => {
|
|
const s = new Set<number>([1, 2, 3])
|
|
expect(itReduce(s, (a, b) => a + b, 0)).toBe(6)
|
|
})
|
|
|
|
test('zeroPad', () => {
|
|
expect(zeroPad('1', 2)).toBe('01')
|
|
expect(zeroPad('1', 3)).toBe('001')
|
|
expect(zeroPad('1000', 3)).toBe('1000')
|
|
expect(zeroPad('FF', 4)).toBe('00FF')
|
|
})
|