157 lines
4.9 KiB
TypeScript
157 lines
4.9 KiB
TypeScript
import { isValidCron, getSchedule, getSentence } from "./cron"
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describe("cron", () => {
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describe("valid cron", () => {
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const valid = [
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["0 0 * * *", "every day at midnight"],
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["0 000 001 * *", "accepts leading zeros"],
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["15 * * * *", "accepts numbers in range"],
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["2,10 4,5 * * *", "accepts comma separated values"],
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["30 4-6 * * *", "accepts range"],
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["0 4-4 * * *", "accepts range with two equal values"],
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["20/15 * * * *", "accepts step with numerical values"],
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["30 5,17 * * *", "accepts numbers and ranges"],
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["28 */4 * * *", "accepts step with * and numerical value"],
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["28 5,*/4 * * *", "accepts comma separated value with step"],
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["28 5,*/4,6-8 * * *", "accepts comma separated value with step and range"],
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["0 0 * * SUN", "accepts day of week short name"],
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["0 0 * * SUN-TUE", "accepts day of week short name range"],
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["0 0 * * SUN-2", "accepts day of week range combined with number"],
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["0 2-4/5 * * *", "accepts range with step"],
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["0 0 * * *", "accepts multiple spaces"],
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]
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for (const [cron, reason] of valid) {
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it(`${cron} should be valid: ${reason}`, () => {
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expect(isValidCron(cron)).toBe(true)
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})
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}
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})
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describe("invalid cron", () => {
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const invalid = [
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["0 0 * *", "too few parts"],
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["0 0 * * * * *", "too many parts"],
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["0 -1 * * *", "should not accept negative numbers"],
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["0 1- * * *", "should not accept trailing -"],
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["0 /1 * * *", "should not accept leading / (empty value)"],
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["0 1/ * * *", "should not accept trailing / (empty value)"],
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["0 ,1 * * *", "should not accept leading , (empty value)"],
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["0 1, * * *", "should not accept trailing , (empty value)"],
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["0 5--5 * * *", "should not accept multiple -"],
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["0 *//5 * * *", "should not accept multiple /"],
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["0 */* * * *", "step start and size may not both be *"],
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["0 5/* * * *", "steps size may not be *"],
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["0 *-4 5-* *-* *", "range may not contain *"],
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["0 ,, * * *", "should not accept multiple ,"],
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[", , , , ,", "comma is not a valid part"],
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["0 ** * * *", "should not accept multiple *"],
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["0 0 * * BUN", "invalid short name"],
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["0 0 * SUN JAN", "short name in incorrect position"],
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["0 0 * * FRI-TUE", "should not accept short name range with start > end"],
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["0 12-4 * * *", "should not accept nuerical range with start > end"],
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["0 */0 * * *", "step size may not be 0"],
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["0 2/4-5 * * *", "step size may not be a range"],
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["0 2-4-6 * * *", "range may not contain multiple -"],
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["0 2/4/6 * * *", "step may not contain multiple /"],
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["0 * * */FEB */TUE", "step size may not be a short name"],
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]
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for (const [cron, reason] of invalid) {
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it(`${cron} should be invalid: ${reason}`, () => {
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expect(isValidCron(cron)).toBe(false)
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})
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}
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})
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describe("getSchedule", () => {
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const testCases = [
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{
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cron: "0 1 2 3 4",
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expected: {
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minutes: [0],
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hours: [1],
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dom: [2],
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months: [3],
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dow: [4],
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}
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},
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{
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cron: "2,4 * * * *",
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expected: {
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minutes: [2, 4],
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hours: undefined,
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dom: undefined,
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months: undefined,
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dow: undefined,
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}
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},
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{
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cron: "2-4 * * * *",
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expected: {
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minutes: [2, 3, 4],
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hours: undefined,
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dom: undefined,
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months: undefined,
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dow: undefined,
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}
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},
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{
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cron: "*/15 * * * *",
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expected: {
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minutes: [0, 15, 30, 45],
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hours: undefined,
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dom: undefined,
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months: undefined,
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dow: undefined,
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}
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},
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{
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cron: "10/15 * * * *",
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expected: {
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minutes: [10, 25, 40, 55],
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hours: undefined,
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dom: undefined,
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months: undefined,
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dow: undefined,
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}
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},
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{
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cron: "5,*/20 * * * *",
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expected: {
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minutes: [0, 5, 20, 40],
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hours: undefined,
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dom: undefined,
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months: undefined,
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dow: undefined,
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}
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},
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{
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cron: "* * * JAN SUN",
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expected: {
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minutes: undefined,
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hours: undefined,
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dom: undefined,
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months: [1],
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dow: [0],
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}
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},
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]
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for (const testCase of testCases) {
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it(`getSchedule '${testCase.cron}'`, () => {
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expect(getSchedule(testCase.cron)).toEqual(testCase.expected)
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})
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}
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})
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describe("getSentence", () => {
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it(`Produces a sentence for valid cron`, () => {
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expect(getSentence("0 * * * *")).toEqual("Every hour")
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})
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it(`Returns nothing for invalid cron`, () => {
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expect(getSentence("* * * * * *")).toBeUndefined()
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})
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})
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}) |