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xUnitParser.ts
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xUnitParser.ts
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import * as fs from 'fs';
import { injectable } from 'inversify';
import { IXUnitParser, PassCalculationFormulae, Tests, TestStatus } from './types';
type TestSuiteResult = {
$: {
errors: string;
failures: string;
name: string;
skips: string;
skip: string;
tests: string;
time: string;
};
testcase: TestCaseResult[];
};
type TestCaseResult = {
$: {
classname: string;
file: string;
line: string;
name: string;
time: string;
};
failure: {
_: string;
$: { message: string; type: string };
}[];
error: {
_: string;
$: { message: string; type: string };
}[];
skipped: {
_: string;
$: { message: string; type: string };
}[];
};
// tslint:disable-next-line:no-any
function getSafeInt(value: string, defaultValue: any = 0): number {
const num = parseInt(value, 10);
if (isNaN(num)) { return defaultValue; }
return num;
}
@injectable()
export class XUnitParser implements IXUnitParser {
public updateResultsFromXmlLogFile(tests: Tests, outputXmlFile: string, passCalculationFormulae: PassCalculationFormulae): Promise<void> {
return updateResultsFromXmlLogFile(tests, outputXmlFile, passCalculationFormulae);
}
}
export function updateResultsFromXmlLogFile(tests: Tests, outputXmlFile: string, passCalculationFormulae: PassCalculationFormulae): Promise<void> {
// tslint:disable-next-line:no-any
return new Promise<any>((resolve, reject) => {
fs.readFile(outputXmlFile, 'utf8', (err, data) => {
if (err) {
return reject(err);
}
// tslint:disable-next-line:no-require-imports
const xml2js = require('xml2js');
xml2js.parseString(data, (error: Error, parserResult: { testsuite: TestSuiteResult }) => {
if (error) {
return reject(error);
}
try {
const testSuiteResult: TestSuiteResult = parserResult.testsuite;
tests.summary.errors = getSafeInt(testSuiteResult.$.errors);
tests.summary.failures = getSafeInt(testSuiteResult.$.failures);
tests.summary.skipped = getSafeInt(testSuiteResult.$.skips ? testSuiteResult.$.skips : testSuiteResult.$.skip);
const testCount = getSafeInt(testSuiteResult.$.tests);
switch (passCalculationFormulae) {
case PassCalculationFormulae.pytest: {
tests.summary.passed = testCount - tests.summary.failures - tests.summary.skipped - tests.summary.errors;
break;
}
case PassCalculationFormulae.nosetests: {
tests.summary.passed = testCount - tests.summary.failures - tests.summary.skipped - tests.summary.errors;
break;
}
default: {
throw new Error('Unknown Test Pass Calculation');
}
}
if (!Array.isArray(testSuiteResult.testcase)) {
return resolve();
}
testSuiteResult.testcase.forEach((testcase: TestCaseResult) => {
const xmlClassName = testcase.$.classname.replace(/\(\)/g, '').replace(/\.\./g, '.').replace(/\.\./g, '.').replace(/\.+$/, '');
const result = tests.testFunctions.find(fn => fn.xmlClassName === xmlClassName && fn.testFunction.name === testcase.$.name);
if (!result) {
// Possible we're dealing with nosetests, where the file name isn't returned to us
// When dealing with nose tests
// It is possible to have a test file named x in two separate test sub directories and have same functions/classes
// And unforutnately xunit log doesn't ouput the filename
// result = tests.testFunctions.find(fn => fn.testFunction.name === testcase.$.name &&
// fn.parentTestSuite && fn.parentTestSuite.name === testcase.$.classname);
// Look for failed file test
const fileTest = testcase.$.file && tests.testFiles.find(file => file.nameToRun === testcase.$.file);
if (fileTest && testcase.error) {
fileTest.status = TestStatus.Error;
fileTest.passed = false;
fileTest.message = testcase.error[0].$.message;
fileTest.traceback = testcase.error[0]._;
}
return;
}
result.testFunction.line = getSafeInt(testcase.$.line, null);
result.testFunction.file = testcase.$.file;
result.testFunction.time = parseFloat(testcase.$.time);
result.testFunction.passed = true;
result.testFunction.status = TestStatus.Pass;
if (testcase.failure) {
result.testFunction.status = TestStatus.Fail;
result.testFunction.passed = false;
result.testFunction.message = testcase.failure[0].$.message;
result.testFunction.traceback = testcase.failure[0]._;
}
if (testcase.error) {
result.testFunction.status = TestStatus.Error;
result.testFunction.passed = false;
result.testFunction.message = testcase.error[0].$.message;
result.testFunction.traceback = testcase.error[0]._;
}
if (testcase.skipped) {
result.testFunction.status = TestStatus.Skipped;
result.testFunction.passed = undefined;
result.testFunction.message = testcase.skipped[0].$.message;
result.testFunction.traceback = '';
}
});
} catch (ex) {
return reject(ex);
}
resolve();
});
});
});
}