codeql-action/lib/testing-utils.js

75 строки
3.1 KiB
JavaScript

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const sinon_1 = __importDefault(require("sinon"));
const CodeQL = __importStar(require("./codeql"));
function wrapOutput(context) {
// Function signature taken from Socket.write.
// Note there are two overloads:
// write(buffer: Uint8Array | string, cb?: (err?: Error) => void): boolean;
// write(str: Uint8Array | string, encoding?: string, cb?: (err?: Error) => void): boolean;
return (chunk, encoding, cb) => {
// Work out which method overload we are in
if (cb === undefined && typeof encoding === "function") {
cb = encoding;
encoding = undefined;
}
// Record the output
if (typeof chunk === "string") {
context.testOutput += chunk;
}
else {
context.testOutput += new TextDecoder(encoding || "utf-8").decode(chunk);
}
// Satisfy contract by calling callback when done
if (cb !== undefined && typeof cb === "function") {
cb();
}
return true;
};
}
function setupTests(test) {
const typedTest = test;
typedTest.beforeEach((t) => {
// Set an empty CodeQL object so that all method calls will fail
// unless the test explicitly sets one up.
CodeQL.setCodeQL({});
// Replace stdout and stderr so we can record output during tests
t.context.testOutput = "";
const processStdoutWrite = process.stdout.write.bind(process.stdout);
t.context.stdoutWrite = processStdoutWrite;
process.stdout.write = wrapOutput(t.context);
const processStderrWrite = process.stderr.write.bind(process.stderr);
t.context.stderrWrite = processStderrWrite;
process.stderr.write = wrapOutput(t.context);
// Many tests modify environment variables. Take a copy now so that
// we reset them after the test to keep tests independent of each other.
// process.env only has strings fields, so a shallow copy is fine.
t.context.env = {};
Object.assign(t.context.env, process.env);
});
typedTest.afterEach.always((t) => {
// Restore stdout and stderr
// The captured output is only replayed if the test failed
process.stdout.write = t.context.stdoutWrite;
process.stderr.write = t.context.stderrWrite;
if (!t.passed) {
process.stdout.write(t.context.testOutput);
}
// Undo any modifications made by sinon
sinon_1.default.restore();
// Undo any modifications to the env
process.env = t.context.env;
});
}
exports.setupTests = setupTests;
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