stryker/src/mutators/ES5Mutator.js

The extendable JavaScript mutation testing framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var _ = require("lodash");
var parserUtils = require("../utils/parserUtils");
var objectUtils_1 = require("../utils/objectUtils");
var BinaryOperatorMutator_1 = require("./BinaryOperatorMutator");
var BlockStatementMutator_1 = require("./BlockStatementMutator");
var LogicalOperatorMutator_1 = require("./LogicalOperatorMutator");
var RemoveConditionalsMutator_1 = require("./RemoveConditionalsMutator");
var UnaryOperatorMutator_1 = require("./UnaryOperatorMutator");
var UpdateOperatorMutator_1 = require("./UpdateOperatorMutator");
var ArrayDeclaratorMutator_1 = require("./ArrayDeclaratorMutator");
var BooleanSubstitutionMutator_1 = require("./BooleanSubstitutionMutator");
var typed_inject_1 = require("typed-inject");
var plugin_1 = require("stryker-api/plugin");
var ES5Mutator = /** @class */ (function () {
    function ES5Mutator(log, mutators) {
        if (mutators === void 0) { mutators = [
            new BinaryOperatorMutator_1.default(),
            new BlockStatementMutator_1.default(),
            new LogicalOperatorMutator_1.default(),
            new RemoveConditionalsMutator_1.default(),
            new UnaryOperatorMutator_1.default(),
            new UpdateOperatorMutator_1.default(),
            new ArrayDeclaratorMutator_1.default(),
            new BooleanSubstitutionMutator_1.default()
        ]; }
        this.log = log;
        this.mutators = mutators;
        this.log.warn("DEPRECATED: The es5 mutator is deprecated and will be removed in the future. Please upgrade to the stryker-javascript-mutator (npm install --save-dev stryker-javascript-mutator) and set \"mutator: 'javascript'\" in your stryker.conf.js! If you have a plugins array in your stryker.conf.js, be sure to add 'stryker-javascript-mutator'.");
    }
    ES5Mutator.prototype.mutate = function (files) {
        var _this = this;
        return _.flatMap(files, function (file) { return _this.mutateForFile(file); });
    };
    ES5Mutator.prototype.mutateForFile = function (file) {
        var abstractSyntaxTree = parserUtils.parse(file.textContent);
        var nodes = new parserUtils.NodeIdentifier().identifyAndFreeze(abstractSyntaxTree);
        return this.mutateForNodes(file, nodes);
    };
    ES5Mutator.prototype.mutateForNodes = function (file, nodes) {
        var _this = this;
        return _.flatMap(nodes, function (astNode) {
            if (astNode.type) {
                Object.freeze(astNode);
                return _.flatMap(_this.mutators, function (mutator) {
                    try {
                        var mutatedNodes = mutator.applyMutations(astNode, objectUtils_1.copy);
                        if (mutatedNodes) {
                            if (!Array.isArray(mutatedNodes)) {
                                mutatedNodes = [mutatedNodes];
                            }
                            if (mutatedNodes.length > 0) {
                                _this.log.debug("The mutator '" + mutator.name + "' mutated " + mutatedNodes.length + " node" + (mutatedNodes.length > 1 ? 's' : '') + " between (Ln " + astNode.loc.start.line + ", Col " + astNode.loc.start.column + ") and (Ln " + astNode.loc.end.line + ", Col " + astNode.loc.end.column + ") in file " + file.name);
                            }
                            return mutatedNodes.map(function (mutatedNode) {
                                var replacement = parserUtils.generate(mutatedNode);
                                var originalNode = nodes[mutatedNode.nodeID];
                                var mutant = { mutatorName: mutator.name, fileName: file.name, replacement: replacement, range: originalNode.range };
                                return mutant;
                            });
                        }
                        else {
                            return [];
                        }
                    }
                    catch (error) {
                        throw new Error("The mutator named '" + mutator.name + "' caused an error: " + error);
                    }
                });
            }
            else {
                return [];
            }
        });
    };
    ES5Mutator.inject = typed_inject_1.tokens(plugin_1.commonTokens.logger);
    return ES5Mutator;
}());
exports.default = ES5Mutator;
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