283 lines
9.8 KiB
TypeScript
283 lines
9.8 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { codeFrameColumns } from '@babel/code-frame';
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import colors from 'colors/safe';
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import fs from 'fs';
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// @ts-ignore
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import milliseconds from 'ms';
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import path from 'path';
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import StackUtils from 'stack-utils';
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import { FullConfig, TestCase, Suite, TestResult, TestError, Reporter, FullResult, TestStep } from '../../../types/testReporter';
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const stackUtils = new StackUtils();
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type TestResultOutput = { chunk: string | Buffer, type: 'stdout' | 'stderr' };
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const kOutputSymbol = Symbol('output');
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export class BaseReporter implements Reporter {
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duration = 0;
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config!: FullConfig;
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suite!: Suite;
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result!: FullResult;
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fileDurations = new Map<string, number>();
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monotonicStartTime: number = 0;
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private printTestOutput = !process.env.PWTEST_SKIP_TEST_OUTPUT;
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onBegin(config: FullConfig, suite: Suite) {
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this.monotonicStartTime = monotonicTime();
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this.config = config;
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this.suite = suite;
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}
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onStdOut(chunk: string | Buffer, test?: TestCase, result?: TestResult) {
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this._appendOutput({ chunk, type: 'stdout' }, result);
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}
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onStdErr(chunk: string | Buffer, test?: TestCase, result?: TestResult) {
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this._appendOutput({ chunk, type: 'stderr' }, result);
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}
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private _appendOutput(output: TestResultOutput, result: TestResult | undefined) {
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if (!result)
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return;
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(result as any)[kOutputSymbol] = (result as any)[kOutputSymbol] || [];
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(result as any)[kOutputSymbol].push(output);
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}
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onTestEnd(test: TestCase, result: TestResult) {
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const projectName = test.titlePath()[1];
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const relativePath = relativeTestPath(this.config, test);
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const fileAndProject = (projectName ? `[${projectName}] › ` : '') + relativePath;
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const duration = this.fileDurations.get(fileAndProject) || 0;
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this.fileDurations.set(fileAndProject, duration + result.duration);
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}
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onError(error: TestError) {
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console.log(formatError(error));
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}
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async onEnd(result: FullResult) {
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this.duration = monotonicTime() - this.monotonicStartTime;
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this.result = result;
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}
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private _printSlowTests() {
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if (!this.config.reportSlowTests)
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return;
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const fileDurations = [...this.fileDurations.entries()];
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fileDurations.sort((a, b) => b[1] - a[1]);
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const count = Math.min(fileDurations.length, this.config.reportSlowTests.max || Number.POSITIVE_INFINITY);
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for (let i = 0; i < count; ++i) {
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const duration = fileDurations[i][1];
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if (duration <= this.config.reportSlowTests.threshold)
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break;
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console.log(colors.yellow(' Slow test: ') + fileDurations[i][0] + colors.yellow(` (${milliseconds(duration)})`));
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}
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}
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epilogue(full: boolean) {
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let skipped = 0;
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let expected = 0;
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const skippedWithError: TestCase[] = [];
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const unexpected: TestCase[] = [];
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const flaky: TestCase[] = [];
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this.suite.allTests().forEach(test => {
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switch (test.outcome()) {
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case 'skipped': {
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++skipped;
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if (test.results.some(result => !!result.error))
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skippedWithError.push(test);
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break;
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}
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case 'expected': ++expected; break;
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case 'unexpected': unexpected.push(test); break;
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case 'flaky': flaky.push(test); break;
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}
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});
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const failuresToPrint = [...unexpected, ...flaky, ...skippedWithError];
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if (full && failuresToPrint.length) {
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console.log('');
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this._printFailures(failuresToPrint);
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}
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this._printSlowTests();
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console.log('');
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if (unexpected.length) {
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console.log(colors.red(` ${unexpected.length} failed`));
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this._printTestHeaders(unexpected);
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}
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if (flaky.length) {
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console.log(colors.red(` ${flaky.length} flaky`));
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this._printTestHeaders(flaky);
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}
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if (skipped)
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console.log(colors.yellow(` ${skipped} skipped`));
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if (expected)
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console.log(colors.green(` ${expected} passed`) + colors.dim(` (${milliseconds(this.duration)})`));
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if (this.result.status === 'timedout')
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console.log(colors.red(` Timed out waiting ${this.config.globalTimeout / 1000}s for the entire test run`));
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}
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private _printTestHeaders(tests: TestCase[]) {
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tests.forEach(test => {
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console.log(formatTestHeader(this.config, test, ' '));
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});
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}
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private _printFailures(failures: TestCase[]) {
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failures.forEach((test, index) => {
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console.log(formatFailure(this.config, test, index + 1, this.printTestOutput));
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});
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}
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willRetry(test: TestCase): boolean {
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return test.outcome() === 'unexpected' && test.results.length <= test.retries;
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}
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}
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export function formatFailure(config: FullConfig, test: TestCase, index?: number, stdio?: boolean): string {
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const tokens: string[] = [];
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tokens.push(formatTestHeader(config, test, ' ', index));
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for (const result of test.results) {
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const resultTokens = formatResultFailure(test, result, ' ');
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if (!resultTokens.length)
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continue;
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if (result.retry) {
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tokens.push('');
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tokens.push(colors.gray(pad(` Retry #${result.retry}`, '-')));
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}
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tokens.push(...resultTokens);
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const output = ((result as any)[kOutputSymbol] || []) as TestResultOutput[];
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if (stdio && output.length) {
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const outputText = output.map(({ chunk, type }) => {
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const text = chunk.toString('utf8');
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if (type === 'stderr')
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return colors.red(stripAnsiEscapes(text));
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return text;
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}).join('');
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tokens.push('');
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tokens.push(colors.gray(pad('--- Test output', '-')) + '\n\n' + outputText + '\n' + pad('', '-'));
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}
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}
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tokens.push('');
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return tokens.join('\n');
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}
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export function formatResultFailure(test: TestCase, result: TestResult, initialIndent: string): string[] {
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const resultTokens: string[] = [];
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if (result.status === 'timedOut') {
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resultTokens.push('');
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resultTokens.push(indent(colors.red(`Timeout of ${test.timeout}ms exceeded.`), initialIndent));
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}
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if (result.status === 'passed' && test.expectedStatus === 'failed') {
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resultTokens.push('');
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resultTokens.push(indent(colors.red(`Expected to fail, but passed.`), initialIndent));
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}
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if (result.error !== undefined)
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resultTokens.push(indent(formatError(result.error, test.location.file), initialIndent));
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return resultTokens;
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}
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function relativeTestPath(config: FullConfig, test: TestCase): string {
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return path.relative(config.rootDir, test.location.file) || path.basename(test.location.file);
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}
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function stepSuffix(step: TestStep | undefined) {
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const stepTitles = step ? step.titlePath() : [];
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return stepTitles.map(t => ' › ' + t).join('');
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}
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export function formatTestTitle(config: FullConfig, test: TestCase, step?: TestStep): string {
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// root, project, file, ...describes, test
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const [, projectName, , ...titles] = test.titlePath();
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const location = `${relativeTestPath(config, test)}:${test.location.line}:${test.location.column}`;
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const projectTitle = projectName ? `[${projectName}] › ` : '';
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return `${projectTitle}${location} › ${titles.join(' ')}${stepSuffix(step)}`;
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}
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function formatTestHeader(config: FullConfig, test: TestCase, indent: string, index?: number): string {
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const title = formatTestTitle(config, test);
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const header = `${indent}${index ? index + ') ' : ''}${title}`;
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return colors.red(pad(header, '='));
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}
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export function formatError(error: TestError, file?: string) {
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const stack = error.stack;
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const tokens = [];
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if (stack) {
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tokens.push('');
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const message = error.message || '';
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const messageLocation = stack.indexOf(message);
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const preamble = stack.substring(0, messageLocation + message.length);
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tokens.push(preamble);
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const position = file ? positionInFile(stack, file) : null;
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if (position) {
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const source = fs.readFileSync(file!, 'utf8');
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tokens.push('');
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tokens.push(codeFrameColumns(source, {
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start: position,
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},
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{ highlightCode: colors.enabled }
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));
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}
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tokens.push('');
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tokens.push(colors.dim(preamble.length > 0 ? stack.substring(preamble.length + 1) : stack));
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} else if (error.message) {
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tokens.push('');
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tokens.push(error.message);
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} else {
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tokens.push('');
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tokens.push(error.value);
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}
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return tokens.join('\n');
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}
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function pad(line: string, char: string): string {
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if (line)
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line += ' ';
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return line + colors.gray(char.repeat(Math.max(0, 100 - line.length)));
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}
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function indent(lines: string, tab: string) {
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return lines.replace(/^(?=.+$)/gm, tab);
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}
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function positionInFile(stack: string, file: string): { column: number; line: number; } | undefined {
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// Stack will have /private/var/folders instead of /var/folders on Mac.
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file = fs.realpathSync(file);
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for (const line of stack.split('\n')) {
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const parsed = stackUtils.parseLine(line);
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if (!parsed || !parsed.file)
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continue;
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if (path.resolve(process.cwd(), parsed.file) === file)
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return {column: parsed.column || 0, line: parsed.line || 0};
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}
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}
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function monotonicTime(): number {
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const [seconds, nanoseconds] = process.hrtime();
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return seconds * 1000 + (nanoseconds / 1000000 | 0);
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}
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const asciiRegex = new RegExp('[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)|(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))', 'g');
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export function stripAnsiEscapes(str: string): string {
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return str.replace(asciiRegex, '');
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}
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