exiftool-vendored
Version:
Efficient, cross-platform access to ExifTool
176 lines • 7.61 kB
JavaScript
;
var __addDisposableResource = (this && this.__addDisposableResource) || function (env, value, async) {
if (value !== null && value !== void 0) {
if (typeof value !== "object" && typeof value !== "function") throw new TypeError("Object expected.");
var dispose, inner;
if (async) {
if (!Symbol.asyncDispose) throw new TypeError("Symbol.asyncDispose is not defined.");
dispose = value[Symbol.asyncDispose];
}
if (dispose === void 0) {
if (!Symbol.dispose) throw new TypeError("Symbol.dispose is not defined.");
dispose = value[Symbol.dispose];
if (async) inner = dispose;
}
if (typeof dispose !== "function") throw new TypeError("Object not disposable.");
if (inner) dispose = function() { try { inner.call(this); } catch (e) { return Promise.reject(e); } };
env.stack.push({ value: value, dispose: dispose, async: async });
}
else if (async) {
env.stack.push({ async: true });
}
return value;
};
var __disposeResources = (this && this.__disposeResources) || (function (SuppressedError) {
return function (env) {
function fail(e) {
env.error = env.hasError ? new SuppressedError(e, env.error, "An error was suppressed during disposal.") : e;
env.hasError = true;
}
var r, s = 0;
function next() {
while (r = env.stack.pop()) {
try {
if (!r.async && s === 1) return s = 0, env.stack.push(r), Promise.resolve().then(next);
if (r.dispose) {
var result = r.dispose.call(r.value);
if (r.async) return s |= 2, Promise.resolve(result).then(next, function(e) { fail(e); return next(); });
}
else s |= 1;
}
catch (e) {
fail(e);
}
}
if (s === 1) return env.hasError ? Promise.reject(env.error) : Promise.resolve();
if (env.hasError) throw env.error;
}
return next();
};
})(typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
var e = new Error(message);
return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
});
Object.defineProperty(exports, "__esModule", { value: true });
const chai_1 = require("chai");
const ExifTool_1 = require("./ExifTool");
describe("ExifTool disposal", () => {
it("should support Symbol.dispose", () => {
const et = new ExifTool_1.ExifTool();
(0, chai_1.expect)(et[Symbol.dispose]).to.be.a("function");
});
it("should support Symbol.asyncDispose", () => {
const et = new ExifTool_1.ExifTool();
(0, chai_1.expect)(et[Symbol.asyncDispose]).to.be.a("function");
});
it("should dispose synchronously without throwing", () => {
const et = new ExifTool_1.ExifTool();
(0, chai_1.expect)(() => et[Symbol.dispose]()).to.not.throw();
// The sync disposal calls end() immediately, so it should be marked as ended
// even though the actual cleanup happens asynchronously
(0, chai_1.expect)(et.ended).to.be.true;
});
it("should dispose asynchronously", async () => {
const et = new ExifTool_1.ExifTool();
await et[Symbol.asyncDispose]();
(0, chai_1.expect)(et.ended).to.be.true;
});
it("should be idempotent", async () => {
const et = new ExifTool_1.ExifTool();
await et[Symbol.asyncDispose]();
(0, chai_1.expect)(et.ended).to.be.true;
// Should not throw on second call
await et[Symbol.asyncDispose]();
(0, chai_1.expect)(et.ended).to.be.true;
});
it("should handle timeout in async disposal gracefully", async () => {
const et = new ExifTool_1.ExifTool();
// Mock a slow .end() method by stubbing it
const originalEnd = et.end.bind(et);
let endCalled = false;
let forcefulEndCalled = false;
et.end = async (graceful) => {
if (graceful) {
endCalled = true;
// Simulate a hanging cleanup that takes longer than the timeout
await new Promise((resolve) => setTimeout(resolve, 6000));
return originalEnd(false);
}
else {
forcefulEndCalled = true;
// Forceful cleanup should work quickly
return originalEnd(false);
}
};
// The async dispose should timeout and attempt forceful cleanup
await et[Symbol.asyncDispose]();
(0, chai_1.expect)(endCalled).to.be.true;
(0, chai_1.expect)(forcefulEndCalled).to.be.true;
(0, chai_1.expect)(et.ended).to.be.true;
}).timeout(8000);
it("should actually stop child processes on disposal", async () => {
const et = new ExifTool_1.ExifTool({ maxProcs: 2 });
// Force creation of child processes by doing some work
await et.version();
await et.version(); // Second call to potentially spawn another process
// Verify we have running processes
const pidsBeforeDisposal = et.pids;
(0, chai_1.expect)(pidsBeforeDisposal.length).to.be.greaterThan(0);
// Dispose and verify processes are cleaned up
await et[Symbol.asyncDispose]();
const pidsAfterDisposal = et.pids;
(0, chai_1.expect)(pidsAfterDisposal).to.eql([]);
(0, chai_1.expect)(et.ended).to.be.true;
});
it("should mark as ended immediately in sync disposal", () => {
const et = new ExifTool_1.ExifTool();
(0, chai_1.expect)(et.ended).to.be.false;
et[Symbol.dispose]();
// Should be marked as ended immediately, even though cleanup is async
(0, chai_1.expect)(et.ended).to.be.true;
});
// This test demonstrates the usage with TypeScript 5.2+
it("should work with using keyword", async () => {
let _; // < to hold reference outside using block
{
const env_1 = { stack: [], error: void 0, hasError: false };
try {
const et = __addDisposableResource(env_1, new ExifTool_1.ExifTool(), false);
_ = et;
(0, chai_1.expect)(et.ended).to.be.false;
}
catch (e_1) {
env_1.error = e_1;
env_1.hasError = true;
}
finally {
__disposeResources(env_1);
}
}
(0, chai_1.expect)(_.ended).to.be.true;
});
it("should work with await using keyword", async () => {
let _; // < to hold reference outside using block
{
const env_2 = { stack: [], error: void 0, hasError: false };
try {
const et = __addDisposableResource(env_2, new ExifTool_1.ExifTool(), true);
_ = et;
(0, chai_1.expect)(et.ended).to.be.false;
const version = await et.version();
(0, chai_1.expect)(version).to.match(/^\d+\.\d+/);
}
catch (e_2) {
env_2.error = e_2;
env_2.hasError = true;
}
finally {
const result_1 = __disposeResources(env_2);
if (result_1)
await result_1;
}
}
(0, chai_1.expect)(_.ended).to.be.true;
});
});
//# sourceMappingURL=ExifTool.dispose.spec.js.map