mapcomplete/test/TestHelper.ts
2022-01-06 15:33:25 +01:00

86 lines
2.8 KiB
TypeScript

export default class T {
public readonly name: string;
private readonly _tests: [string, (() => (void | Promise<void>))][];
constructor(testsuite: string, tests: [string, () => (Promise<void> | void)][]) {
this.name = testsuite
this._tests = tests;
}
static assertContains(needle: string, actual: string) {
if (actual.indexOf(needle) < 0) {
throw `The substring ${needle} was not found`
}
}
static isTrue(b: boolean, msg: string) {
if (!b) {
throw "Expected true, but got false: " + msg
}
}
static equals(a, b, msg?) {
if (a !== b) {
throw "Not the same: " + (msg ?? "") + "\n" +
"Expcected: " + a + "\n" +
"Got : " + b
}
}
static isFalse(b: boolean, msg: string) {
if (b) {
throw "Expected false, but got true: " + msg
}
}
static listIdentical<T>(expected: T[], actual: T[]): void {
if (expected === undefined) {
throw "ListIdentical failed: expected list is undefined"
}
if (actual === undefined) {
throw "ListIdentical failed: actual list is undefined"
}
if (expected.length !== actual.length) {
throw `ListIdentical failed: expected a list of length ${expected.length} but got a list of length ${actual.length}`
}
for (let i = 0; i < expected.length; i++) {
if(expected[i] !== undefined && expected[i]["length"] !== undefined ){
T.listIdentical(<any> expected[i], <any> actual[i])
}else if (expected[i] !== actual[i]) {
throw `ListIdentical failed at index ${i}: expected ${expected[i]} but got ${actual[i]}`
}
}
}
/**
* RUns the test, returns the error messages.
* Returns an empty list if successful
* @constructor
*/
public async Run(): Promise<{ testsuite: string, name: string, msg: string } []> {
const failures: { testsuite: string, name: string, msg: string } [] = []
for (const [name, test] of this._tests) {
try {
const r = test()
if (r instanceof Promise) {
try {
await r
} catch (e) {
console.log("ASYNC ERROR: ", e, e.stack)
failures.push({testsuite: this.name, name: name, msg: "" + e});
}
}
} catch (e) {
console.log("ERROR: ", e, e.stack)
failures.push({testsuite: this.name, name: name, msg: "" + e});
}
}
if (failures.length == 0) {
return undefined
} else {
return failures
}
}
}