setup-python/node_modules/jest-runner/build/runTest.js

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2019-06-27 09:12:00 +08:00
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = runTest;
function _console() {
const data = require('@jest/console');
_console = function _console() {
return data;
};
return data;
}
function _gracefulFs() {
const data = _interopRequireDefault(require('graceful-fs'));
_gracefulFs = function _gracefulFs() {
return data;
};
return data;
}
function _jestUtil() {
const data = require('jest-util');
_jestUtil = function _jestUtil() {
return data;
};
return data;
}
function _jestLeakDetector() {
const data = _interopRequireDefault(require('jest-leak-detector'));
_jestLeakDetector = function _jestLeakDetector() {
return data;
};
return data;
}
function _jestConfig() {
const data = require('jest-config');
_jestConfig = function _jestConfig() {
return data;
};
return data;
}
function docblock() {
const data = _interopRequireWildcard(require('jest-docblock'));
docblock = function docblock() {
return data;
};
return data;
}
function _jestMessageUtil() {
const data = require('jest-message-util');
_jestMessageUtil = function _jestMessageUtil() {
return data;
};
return data;
}
function _sourceMapSupport() {
const data = _interopRequireDefault(require('source-map-support'));
_sourceMapSupport = function _sourceMapSupport() {
return data;
};
return data;
}
function _chalk() {
const data = _interopRequireDefault(require('chalk'));
_chalk = function _chalk() {
return data;
};
return data;
}
function _interopRequireWildcard(obj) {
if (obj && obj.__esModule) {
return obj;
} else {
var newObj = {};
if (obj != null) {
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var desc =
Object.defineProperty && Object.getOwnPropertyDescriptor
? Object.getOwnPropertyDescriptor(obj, key)
: {};
if (desc.get || desc.set) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
}
newObj.default = obj;
return newObj;
}
}
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
function _objectSpread(target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i] != null ? arguments[i] : {};
var ownKeys = Object.keys(source);
if (typeof Object.getOwnPropertySymbols === 'function') {
ownKeys = ownKeys.concat(
Object.getOwnPropertySymbols(source).filter(function(sym) {
return Object.getOwnPropertyDescriptor(source, sym).enumerable;
})
);
}
ownKeys.forEach(function(key) {
_defineProperty(target, key, source[key]);
});
}
return target;
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _asyncToGenerator(fn) {
return function() {
var self = this,
args = arguments;
return new Promise(function(resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err);
}
_next(undefined);
});
};
}
function freezeConsole(testConsole, config) {
// @ts-ignore: `_log` is `private` - we should figure out some proper API here
testConsole._log = function fakeConsolePush(_type, message) {
const error = new (_jestUtil()).ErrorWithStack(
`${_chalk().default.red(
`${_chalk().default.bold(
'Cannot log after tests are done.'
)} Did you forget to wait for something async in your test?`
)}\nAttempted to log "${message}".`,
fakeConsolePush
);
const formattedError = (0, _jestMessageUtil().formatExecError)(
error,
config,
{
noStackTrace: false
},
undefined,
true
);
process.stderr.write('\n' + formattedError + '\n'); // TODO: set exit code in Jest 25
// process.exitCode = 1;
};
} // Keeping the core of "runTest" as a separate function (as "runTestInternal")
// is key to be able to detect memory leaks. Since all variables are local to
// the function, when "runTestInternal" finishes its execution, they can all be
// freed, UNLESS something else is leaking them (and that's why we can detect
// the leak!).
//
// If we had all the code in a single function, we should manually nullify all
// references to verify if there is a leak, which is not maintainable and error
// prone. That's why "runTestInternal" CANNOT be inlined inside "runTest".
function runTestInternal(_x, _x2, _x3, _x4, _x5) {
return _runTestInternal.apply(this, arguments);
}
function _runTestInternal() {
_runTestInternal = _asyncToGenerator(function*(
path,
globalConfig,
config,
resolver,
context
) {
const testSource = _gracefulFs().default.readFileSync(path, 'utf8');
const docblockPragmas = docblock().parse(docblock().extract(testSource));
const customEnvironment = docblockPragmas['jest-environment'];
let testEnvironment = config.testEnvironment;
if (customEnvironment) {
if (Array.isArray(customEnvironment)) {
throw new Error(
`You can only define a single test environment through docblocks, got "${customEnvironment.join(
', '
)}"`
);
}
testEnvironment = (0, _jestConfig().getTestEnvironment)(
_objectSpread({}, config, {
testEnvironment: customEnvironment
})
);
}
const TestEnvironment = (0, _jestUtil().interopRequireDefault)(
require(testEnvironment)
).default;
const testFramework =
process.env.JEST_CIRCUS === '1'
? require('jest-circus/runner') // eslint-disable-line import/no-extraneous-dependencies
: require(config.testRunner);
const Runtime = config.moduleLoader
? require(config.moduleLoader)
: require('jest-runtime');
let runtime = undefined;
const consoleOut = globalConfig.useStderr ? process.stderr : process.stdout;
const consoleFormatter = (type, message) =>
(0, _console().getConsoleOutput)(
config.cwd,
!!globalConfig.verbose, // 4 = the console call is buried 4 stack frames deep
_console().BufferedConsole.write(
[],
type,
message,
4,
runtime && runtime.getSourceMaps()
)
);
let testConsole;
if (globalConfig.silent) {
testConsole = new (_console()).NullConsole(
consoleOut,
consoleOut,
consoleFormatter
);
} else if (globalConfig.verbose) {
testConsole = new (_console()).CustomConsole(
consoleOut,
consoleOut,
consoleFormatter
);
} else {
testConsole = new (_console()).BufferedConsole(
() => runtime && runtime.getSourceMaps()
);
}
const environment = new TestEnvironment(config, {
console: testConsole,
docblockPragmas,
testPath: path
});
const leakDetector = config.detectLeaks
? new (_jestLeakDetector()).default(environment)
: null;
const cacheFS = {
[path]: testSource
};
(0, _jestUtil().setGlobal)(environment.global, 'console', testConsole);
runtime = new Runtime(config, environment, resolver, cacheFS, {
changedFiles: context && context.changedFiles,
collectCoverage: globalConfig.collectCoverage,
collectCoverageFrom: globalConfig.collectCoverageFrom,
collectCoverageOnlyFrom: globalConfig.collectCoverageOnlyFrom
});
const start = Date.now();
const sourcemapOptions = {
environment: 'node',
handleUncaughtExceptions: false,
retrieveSourceMap: source => {
const sourceMaps = runtime && runtime.getSourceMaps();
const sourceMapSource = sourceMaps && sourceMaps[source];
if (sourceMapSource) {
try {
return {
map: JSON.parse(
_gracefulFs().default.readFileSync(sourceMapSource, 'utf8')
),
url: source
};
} catch (e) {}
}
return null;
}
}; // For tests
runtime
.requireInternalModule(
require.resolve('source-map-support'),
'source-map-support'
)
.install(sourcemapOptions); // For runtime errors
_sourceMapSupport().default.install(sourcemapOptions);
if (
environment.global &&
environment.global.process &&
environment.global.process.exit
) {
const realExit = environment.global.process.exit;
environment.global.process.exit = function exit(...args) {
const error = new (_jestUtil()).ErrorWithStack(
`process.exit called with "${args.join(', ')}"`,
exit
);
const formattedError = (0, _jestMessageUtil().formatExecError)(
error,
config,
{
noStackTrace: false
},
undefined,
true
);
process.stderr.write(formattedError);
return realExit(...args);
};
}
try {
yield environment.setup();
let result;
try {
result = yield testFramework(
globalConfig,
config,
environment,
runtime,
path
);
} catch (err) {
// Access stack before uninstalling sourcemaps
err.stack;
throw err;
}
freezeConsole(testConsole, config);
const testCount =
result.numPassingTests +
result.numFailingTests +
result.numPendingTests +
result.numTodoTests;
result.perfStats = {
end: Date.now(),
start
};
result.testFilePath = path;
result.console = testConsole.getBuffer();
result.skipped = testCount === result.numPendingTests;
result.displayName = config.displayName;
const coverage = runtime.getAllCoverageInfoCopy();
if (coverage) {
const coverageKeys = Object.keys(coverage);
if (coverageKeys.length) {
result.coverage = coverage;
result.sourceMaps = runtime.getSourceMapInfo(new Set(coverageKeys));
}
}
if (globalConfig.logHeapUsage) {
if (global.gc) {
global.gc();
}
result.memoryUsage = process.memoryUsage().heapUsed;
} // Delay the resolution to allow log messages to be output.
return new Promise(resolve => {
setImmediate(() =>
resolve({
leakDetector,
result
})
);
});
} finally {
yield environment.teardown();
_sourceMapSupport().default.resetRetrieveHandlers();
}
});
return _runTestInternal.apply(this, arguments);
}
function runTest(_x6, _x7, _x8, _x9, _x10) {
return _runTest.apply(this, arguments);
}
function _runTest() {
_runTest = _asyncToGenerator(function*(
path,
globalConfig,
config,
resolver,
context
) {
const _ref = yield runTestInternal(
path,
globalConfig,
config,
resolver,
context
),
leakDetector = _ref.leakDetector,
result = _ref.result;
if (leakDetector) {
// We wanna allow a tiny but time to pass to allow last-minute cleanup
yield new Promise(resolve => setTimeout(resolve, 100)); // Resolve leak detector, outside the "runTestInternal" closure.
result.leaks = leakDetector.isLeaking();
} else {
result.leaks = false;
}
return result;
});
return _runTest.apply(this, arguments);
}