ethers.js/packages/tests/src.ts/reporter.ts
2020-02-13 15:27:56 -05:00

140 lines
4.0 KiB
TypeScript

'use strict';
// Maximum time in seconds to suppress output
const MAX_DELAY = 30;
function getTime(): number {
return (new Date()).getTime();
}
function trunc(value: number): number {
if (value >= 0) { return Math.floor(value); }
return Math.ceil(value);
}
function getDelta(t0: number): string {
let ds = trunc((getTime() - t0) / 1000);
let minutes = trunc(ds / 60);
let seconds = String(trunc(ds) % 60);
while (seconds.length < 2) { seconds = '0' + seconds; }
return '(' + minutes + ':' + seconds + ')';
}
interface Suite {
title: string;
file: string;
suites: Array<Suite>;
_t0: number;
_countFail: number;
_countPass: number;
_countTotal: number;
}
interface Runner {
on(event: string, callback: (...args: Array<any>) => void): Runner;
}
export function Reporter(runner: Runner) {
let suites: Array<Suite> = [];
let lastOutput = getTime();
function getIndent(): string {
let result = '';
for (let i = 0; i < suites.length; i++) { result += ' '; }
return result;
}
function log(message?: string): void {
if (!message) { message = ''; }
console.log(getIndent() + message);
lastOutput = getTime();
}
runner.on('suite', function(suite: Suite) {
if (!suite.title) {
log('Testing: ' + (suite.suites ? 'Found ' + suite.suites.length + ' test suites' : ''));
} else {
let filename = (suite.file || '').split('/').pop();
if (filename) { filename = ' (' + filename + ')'; }
log('Test Suite: ' + suite.title + filename);
}
suites.push(suite);
suite._t0 = getTime();
suite._countFail = 0;
suite._countPass = 0;
suite._countTotal = 0;
});
runner.on('suite end', function() {
let suite = suites.pop();
let failure = '';
if (suite._countTotal > suite._countPass) {
failure = ' (' + (suite._countTotal - suite._countPass) + ' failed)';
}
log(' Total Tests: ' + suite._countPass + '/' + suite._countTotal + ' passed ' + getDelta(suite._t0) + failure);
log();
if (suites.length > 0) {
let currentSuite = suites[suites.length - 1];
currentSuite._countFail += suite._countFail;
currentSuite._countPass += suite._countPass;
currentSuite._countTotal += suite._countTotal;
}
});
function forceOutput() {
if (((getTime() - lastOutput) / 1000) > MAX_DELAY) {
const currentSuite = suites[suites.length - 1];
log('[ Still running suite - test #' + currentSuite._countTotal + ' ]');
}
}
const timer = setInterval(forceOutput, 1000);
if (timer.unref) { timer.unref(); }
runner.on('test', function(test) {
forceOutput();
const currentSuite = suites[suites.length - 1];
currentSuite._countTotal++;
});
runner.on('fail', function(test, error) {
let currentSuite = suites[suites.length - 1];
currentSuite._countFail++;
let countFail = currentSuite._countFail;
if (countFail > 100) {
if (countFail === 101) {
log('[ Over 100 errors; skipping remaining suite output ]');
}
return;
}
if (countFail > 25) {
log('Failure: ' + test.title + ' (too many errors; skipping dump)');
return;
}
log('Failure: ' + test.title);
error.toString().split('\n').forEach((line: string) => {
log(' ' + line);
});
Object.keys(error).forEach(function(key) {
log(' ' + key + ': ' + error[key]);
});
if (error.stack) {
log("Stack Trace:");
error.stack.split('\n').forEach((line: string) => {
log(' ' + line);
});
}
});
runner.on('pass', function(test) {
let currentSuite = suites[suites.length - 1];
currentSuite._countPass++;
});
}