@stryker-mutator/core
Version:
The extendable JavaScript mutation testing framework
61 lines • 2.54 kB
JavaScript
import path from 'path';
import { expect } from 'chai';
import sinon from 'sinon';
import { testInjector } from '@stryker-mutator/test-helpers';
import { JsonReporter } from '../../../src/reporters/json-reporter.js';
import { reporterUtil } from '../../../src/reporters/reporter-util.js';
describe(JsonReporter.name, () => {
let writeFileStub;
let sut;
beforeEach(() => {
writeFileStub = sinon.stub(reporterUtil, 'writeFile');
sut = testInjector.injector.injectClass(JsonReporter);
});
describe('onMutationTestReportReady', () => {
it('should use configured file path', async () => {
const fileName = 'foo/bar/myReport.json';
const expectedPath = path.normalize(fileName);
testInjector.options.jsonReporter = {
fileName,
};
actReportReady();
await sut.wrapUp();
expect(testInjector.logger.debug).calledWith(`Using relative path ${expectedPath}`);
});
it('should use default base directory when no override is configured', async () => {
const expectedPath = path.normalize('reports/mutation/mutation.json');
actReportReady();
await sut.wrapUp();
expect(testInjector.logger.debug).calledWith(`Using relative path ${expectedPath}`);
});
it('should write the mutation report to disk', async () => {
const report = {
files: {},
schemaVersion: '1.0',
thresholds: {
high: 80,
low: 60,
},
};
sut.onMutationTestReportReady(report);
await sut.wrapUp();
expect(writeFileStub).calledWith(path.resolve('reports', 'mutation', 'mutation.json'), JSON.stringify(report));
});
});
describe('wrapUp', () => {
it('should resolve when everything is OK', () => {
actReportReady();
return expect(sut.wrapUp()).eventually.undefined;
});
it('should reject when "writeFile" rejects', () => {
const expectedError = new Error('writeFile');
writeFileStub.rejects(expectedError);
actReportReady();
return expect(sut.wrapUp()).rejectedWith(expectedError);
});
});
function actReportReady() {
sut.onMutationTestReportReady({ files: {}, schemaVersion: '', thresholds: { high: 0, low: 0 } });
}
});
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