@scalvert/bin-tester
Version:
A test harness to invoke a CLI in a tmp directory
176 lines (171 loc) • 5.41 kB
JavaScript
;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var index_exports = {};
__export(index_exports, {
BinTesterProject: () => BinTesterProject,
createBinTester: () => createBinTester
});
module.exports = __toCommonJS(index_exports);
// src/create-bin-tester.ts
var import_execa2 = require("execa");
// src/project.ts
var import_execa = require("execa");
var import_fixturify_project = require("fixturify-project");
var ROOT = process.cwd();
var BinTesterProject = class extends import_fixturify_project.Project {
/**
* Constructs an instance of a BinTesterProject.
* @param {string} name - The name of the project. Used within the package.json as the name property.
* @param {string} version - The version of the project. Used within the package.json as the version property.
* @param {Function} cb - An optional callback for additional setup steps after the project is constructed.
*/
constructor(name = "fake-project", version, cb) {
super(name, version, cb);
this._dirChanged = false;
this.pkg = Object.assign({}, this.pkg, {
license: "MIT",
description: "Fake project",
repository: "http://fakerepo.com"
});
}
/**
* Runs `git init` inside a project.
* @returns {*} {ResultPromise}
*/
gitInit() {
return (0, import_execa.execa)("git", ["init", "-q", this.baseDir]);
}
/**
* Writes the project files to disk.
*/
async write() {
return super.write();
}
/**
* Changes a directory from inside the project.
*/
async chdir() {
this._dirChanged = true;
await this.write();
process.chdir(this.baseDir);
}
/**
* Correctly disposes of the project, observing when the directory has been changed.
* @returns {void}
*/
dispose() {
if (this._dirChanged) {
process.chdir(ROOT);
}
return super.dispose();
}
};
// src/create-bin-tester.ts
var DEFAULT_BIN_TESTER_OPTIONS = {
staticArgs: []
};
function parseArgs(args) {
if (args.length > 0 && typeof args[args.length - 1] === "object") {
const argsCopy = [...args];
const execaOptions = argsCopy.pop();
return {
args: argsCopy,
execaOptions
};
} else {
return {
args: [...args],
execaOptions: {}
};
}
}
function createBinTester(options) {
let project;
const mergedOptions = {
...DEFAULT_BIN_TESTER_OPTIONS,
...options
};
function runBin(...args) {
const mergedRunOptions = parseArgs(args);
const binPath = typeof mergedOptions.binPath === "function" ? mergedOptions.binPath(project) : mergedOptions.binPath;
const optionsEnv = mergedRunOptions.execaOptions.env;
const debugEnv = optionsEnv?.BIN_TESTER_DEBUG ?? process.env.BIN_TESTER_DEBUG;
const nodeOptions = [];
if (debugEnv && debugEnv !== "0" && debugEnv.toLowerCase() !== "false") {
if (debugEnv.toLowerCase() === "break") {
nodeOptions.push("--inspect-brk=0");
} else {
nodeOptions.push("--inspect=0");
}
console.log(`[bin-tester] Debugging enabled. Fixture: ${project.baseDir}`);
}
const resolvedCwd = mergedRunOptions.execaOptions.cwd ?? project.baseDir;
return (0, import_execa2.execaNode)(binPath, [...mergedOptions.staticArgs, ...mergedRunOptions.args], {
reject: false,
cwd: resolvedCwd,
nodeOptions,
...mergedRunOptions.execaOptions
});
}
function runBinDebug(...args) {
const parsedArgs = parseArgs(args);
const debugEnv = process.env.BIN_TESTER_DEBUG || "attach";
parsedArgs.execaOptions = {
...parsedArgs.execaOptions,
env: {
...parsedArgs.execaOptions.env,
BIN_TESTER_DEBUG: debugEnv
}
};
const reconstructedArgs = [...parsedArgs.args, parsedArgs.execaOptions];
return runBin(...reconstructedArgs);
}
async function setupProject() {
project = "createProject" in mergedOptions ? await mergedOptions.createProject() : new BinTesterProject();
await project.write();
return project;
}
async function setupTmpDir() {
if (typeof project === "undefined") {
await setupProject();
}
return project.baseDir;
}
function teardownProject() {
const debugEnv = process.env.BIN_TESTER_DEBUG;
if (debugEnv && debugEnv !== "0" && debugEnv.toLowerCase() !== "false") {
console.log(`[bin-tester] Fixture preserved: ${project.baseDir}`);
return;
}
project.dispose();
}
return {
runBin,
runBinDebug,
setupProject,
teardownProject,
setupTmpDir
};
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
BinTesterProject,
createBinTester
});