fcf-framework-lock/tests/tests_remove.js

Provides file locking and named mutex functionality

let libFS   = require("fs");
let libLock = require("../index.js");

async function main(){

  let file = libFS.openSync("./tests/files/test", "w");
  libFS.closeSync(file);

  let lock1 = await new Promise((a_resolve, a_reject) => {
    libLock.lockFile("./tests/files/test", (a_error, a_lock)=>{
      if (a_error){
        a_reject(a_error);
      } else {
        a_resolve(a_lock);
      }
    })
  });

  let fd2 = libFS.openSync("./tests/files/test", "r");
  let fd3 = libFS.openSync("./tests/files/test", "r");


  setTimeout(()=>{
    console.log("remove!");
    libLock.unlockFile(lock1, ()=>{
      libFS.unlinkSync("./tests/files/test");
    });
  }, 10);

  let lock2 = await new Promise((a_resolve, a_reject) => {
    libLock.lockFile(fd2, (a_error, a_lock)=>{
      console.log("lock2");
      if (a_error){
        a_reject(a_error);
      } else {
        a_resolve(a_lock);
      }
    })
  });

  setTimeout(()=>{
    libFS.close(lock2, ()=>{
    });
  }, 1);


  let lock3 = await new Promise((a_resolve, a_reject) => {
    libLock.lockFile(fd3, (a_error, a_lock)=>{
      console.log("lock3");
      if (a_error){
        a_reject(a_error);
      } else {
        a_resolve(a_lock);
      }
    })
  });

}

main();