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json-reporter.ts
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json-reporter.ts
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import * as path from 'path';
import { StrykerOptions } from '@stryker-mutator/api/core';
import { Logger } from '@stryker-mutator/api/logging';
import { commonTokens, tokens } from '@stryker-mutator/api/plugin';
import { mutationTestReportSchema, Reporter } from '@stryker-mutator/api/report';
import fileUrl = require('file-url');
import * as HtmlReporterUtil from './html/html-reporter-util';
const DEFAULT_BASE_FOLDER = path.normalize('reports/mutation');
const DEFAULT_INDENTION = 0;
export const RESOURCES_DIR_NAME = 'strykerResources';
export default class JsonReporter implements Reporter {
private _baseDir!: string;
private mainPromise: Promise<void> | undefined;
constructor(private readonly options: StrykerOptions, private readonly log: Logger) {}
public static readonly inject = tokens(commonTokens.options, commonTokens.logger);
public onMutationTestReportReady(report: mutationTestReportSchema.MutationTestResult) {
this.mainPromise = this.generateReport(report);
}
public wrapUp() {
return this.mainPromise;
}
private async generateReport(report: mutationTestReportSchema.MutationTestResult) {
const jsonReportFile = path.resolve(this.baseDir, 'mutation.json');
await this.cleanBaseFolder();
let indent = DEFAULT_INDENTION;
if (this.options.jsonReporter && this.options.jsonReporter.spacing) {
indent = this.options.jsonReporter.spacing;
}
await HtmlReporterUtil.writeFile(jsonReportFile, JSON.stringify(report, null, indent));
this.log.info(`Your report can be found at: ${fileUrl(jsonReportFile)}`);
}
private get baseDir(): string {
if (!this._baseDir) {
if (this.options.jsonReporter && this.options.jsonReporter.baseDir) {
this._baseDir = this.options.jsonReporter.baseDir;
this.log.debug(`Using configured output folder ${this._baseDir}`);
} else {
this.log.debug(
`No base folder configuration found (using configuration: jsonReporter: { baseDir: 'output/folder' }), using default ${DEFAULT_BASE_FOLDER}`
);
this._baseDir = DEFAULT_BASE_FOLDER;
}
}
return this._baseDir;
}
private async cleanBaseFolder(): Promise<void> {
await HtmlReporterUtil.deleteDir(this.baseDir);
await HtmlReporterUtil.mkdir(this.baseDir);
}
}