tapbundle/ts/tapbundle.classes.taptest.ts

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import * as plugins from './tapbundle.plugins';
import { tapCreator } from './tapbundle.tapcreator';
import { TapTools } from './tapbundle.classes.taptools';
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// imported interfaces
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import { Deferred } from '@pushrocks/smartpromise';
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import { HrtMeasurement } from '@pushrocks/smarttime';
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// interfaces
export type TTestStatus = 'success' | 'error' | 'pending' | 'errorAfterSuccess' | 'timeout';
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export interface ITestFunction <T> { (tapTools?: TapTools): Promise<T> };
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export class TapTest <T = unknown> {
public description: string;
public failureAllowed: boolean;
public hrtMeasurement: HrtMeasurement;
public parallel: boolean;
public status: TTestStatus;
public tapTools: TapTools;
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public testFunction: ITestFunction<T>;
public testKey: number; // the testKey the position in the test qeue. Set upon calling .run()
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private testDeferred: Deferred<TapTest<T>> = plugins.smartpromise.defer();
public testPromise: Promise<TapTest<T>> = this.testDeferred.promise;
private testResultDeferred: Deferred<T> = plugins.smartpromise.defer();
public testResultPromise: Promise<T> = this.testResultDeferred.promise;
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/**
* constructor
*/
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constructor(optionsArg: { description: string; testFunction: ITestFunction<T>; parallel: boolean }) {
this.description = optionsArg.description;
this.hrtMeasurement = new HrtMeasurement();
this.parallel = optionsArg.parallel;
this.status = 'pending';
this.tapTools = new TapTools(this);
this.testFunction = optionsArg.testFunction;
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}
/**
* run the test
*/
public async run(testKeyArg: number) {
this.hrtMeasurement.start();
this.testKey = testKeyArg;
const testNumber = testKeyArg + 1;
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try {
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const testReturnValue = await this.testFunction(this.tapTools);
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if (this.status === 'timeout') {
throw new Error('Test succeeded, but timed out...');
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}
this.hrtMeasurement.stop();
console.log(
`ok ${testNumber} - ${this.description} # time=${this.hrtMeasurement.milliSeconds}ms`
);
this.status = 'success';
this.testDeferred.resolve(this);
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this.testResultDeferred.resolve(testReturnValue);
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} catch (err) {
this.hrtMeasurement.stop();
console.log(
`not ok ${testNumber} - ${this.description} # time=${this.hrtMeasurement.milliSeconds}ms`
);
this.testDeferred.resolve(this);
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this.testResultDeferred.resolve(err);
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// if the test has already succeeded before
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if (this.status === 'success') {
this.status = 'errorAfterSuccess';
console.log('!!! ALERT !!!: weird behaviour, since test has been already successfull');
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} else {
this.status = 'error';
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}
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// if the test is allowed to fail
if (this.failureAllowed) {
console.log(`please note: failure allowed!`);
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}
console.log(err);
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}
}
}