stryker
Version:
The extendable JavaScript mutation testing framework
92 lines • 4.37 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var rxjs_1 = require("rxjs");
var core_1 = require("stryker-api/core");
var TranspiledMutant_1 = require("../TranspiledMutant");
var util_1 = require("@stryker-mutator/util");
var plugin_1 = require("stryker-api/plugin");
var di_1 = require("../di");
var rxjs_2 = require("rxjs");
var operators_1 = require("rxjs/operators");
var rxjs_3 = require("rxjs");
var INITIAL_CONCURRENCY = 100;
var MutantTranspileScheduler = /** @class */ (function () {
/**
* Creates a mutant transpiler
*/
function MutantTranspileScheduler(transpiler, unMutatedFiles) {
var _this = this;
this.transpiler = transpiler;
this.unMutatedFiles = unMutatedFiles;
this.concurrencyTicket$ = new rxjs_3.BehaviorSubject(INITIAL_CONCURRENCY);
/**
* Schedule next mutant to be transpiled
*/
this.scheduleNext = function () {
_this.concurrencyTicket$.next(1);
};
}
MutantTranspileScheduler.prototype.scheduleTranspileMutants = function (allMutants) {
var _this = this;
return rxjs_2.from(allMutants).pipe(operators_1.zip(this.concurrencyTicket$.pipe(operators_1.flatMap(function (n) { return rxjs_1.range(0, n); }))), operators_1.flatMap(function (_a) {
var mutant = _a[0];
return _this.transpileMutant(mutant);
}, 1 /* IMPORTANT! Never transpile multiple mutants at once! */));
};
/**
* Dispose all
*/
MutantTranspileScheduler.prototype.dispose = function () {
this.concurrencyTicket$.complete();
// TODO: Let typed-inject dispose this one
this.transpiler.dispose();
};
MutantTranspileScheduler.prototype.createTranspiledMutant = function (mutant, transpileResult) {
return new TranspiledMutant_1.default(mutant, transpileResult, someFilesChanged(this.unMutatedFiles));
function someFilesChanged(unMutatedFiles) {
return transpileResult.outputFiles.some(function (file) { return fileChanged(file, unMutatedFiles); });
}
function fileChanged(file, unMutatedFiles) {
if (unMutatedFiles) {
var unMutatedFile = unMutatedFiles.find(function (f) { return f.name === file.name; });
return !unMutatedFile || unMutatedFile.textContent !== file.textContent;
}
else {
return true;
}
}
};
MutantTranspileScheduler.prototype.transpileMutant = function (mutant) {
return tslib_1.__awaiter(this, void 0, void 0, function () {
var filesToTranspile, mutatedFile, transpiledFiles, error_1;
return tslib_1.__generator(this, function (_a) {
switch (_a.label) {
case 0:
filesToTranspile = [];
if (this.currentMutatedFile && this.currentMutatedFile.name !== mutant.fileName) {
filesToTranspile.push(this.currentMutatedFile.file);
}
this.currentMutatedFile = mutant.sourceFile;
mutatedFile = new core_1.File(mutant.fileName, Buffer.from(mutant.mutatedCode));
filesToTranspile.push(mutatedFile);
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, this.transpiler.transpile(filesToTranspile)];
case 2:
transpiledFiles = _a.sent();
return [2 /*return*/, this.createTranspiledMutant(mutant, { outputFiles: transpiledFiles, error: null })];
case 3:
error_1 = _a.sent();
return [2 /*return*/, this.createTranspiledMutant(mutant, { outputFiles: [], error: util_1.errorToString(error_1) })];
case 4: return [2 /*return*/];
}
});
});
};
MutantTranspileScheduler.inject = plugin_1.tokens(di_1.coreTokens.transpiler, di_1.coreTokens.transpiledFiles);
return MutantTranspileScheduler;
}());
exports.MutantTranspileScheduler = MutantTranspileScheduler;
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