basant307/AI_Governance_Project

1var assert = require('assert');2var Pend = require('./');3 4var tests = [5  {6    name: "basic",7    fn: testBasic,8  },9  {10    name: "max",11    fn: testWithMax,12  },13  {14    name: "callback twice",15    fn: testCallbackTwice,16  },17  {18    name: "calling wait twice",19    fn: testCallingWaitTwice,20  },21  {22    name: "hold()",23    fn: testHoldFn,24  },25];26var testCount = tests.length;27 28doOneTest();29 30function doOneTest() {31  var test = tests.shift();32  if (!test) {33    console.log(testCount + " tests passed.");34    return;35  }36  process.stdout.write(test.name + "...");37  test.fn(function() {38    process.stdout.write("OK\n");39    doOneTest();40  });41}42 43function testBasic(cb) {44  var pend = new Pend();45  var results = [];46  pend.go(function(cb) {47    results.push(1);48    setTimeout(function() {49      results.push(3);50      cb();51    }, 500);52  });53  pend.go(function(cb) {54    results.push(2);55    setTimeout(function() {56      results.push(4);57      cb();58    }, 1000);59  });60  pend.wait(function(err) {61    assert.deepEqual(results, [1,2,3,4]);62    cb();63  });64  assert.deepEqual(results, [1, 2]);65}66 67function testWithMax(cb) {68  var pend = new Pend();69  var results = [];70  pend.max = 2;71  pend.go(function(cb) {72    results.push('a');73    setTimeout(function() {74      results.push(1);75      cb();76    }, 500);77  });78  pend.go(function(cb) {79    results.push('b');80    setTimeout(function() {81      results.push(1);82      cb();83    }, 500);84  });85  pend.go(function(cb) {86    results.push('c');87    setTimeout(function() {88      results.push(2);89      cb();90    }, 100);91  });92  pend.wait(function(err) {93    assert.deepEqual(results, ['a', 'b', 1, 'c', 1, 2]);94    cb();95  });96  assert.deepEqual(results, ['a', 'b']);97}98 99function testCallbackTwice(cb) {100  var pend = new Pend();101  pend.go(function(cb) {102    setTimeout(cb, 100);103  });104  pend.go(function(cb) {105    cb();106    assert.throws(cb, /callback called twice/);107  });108  pend.wait(cb);109}110 111function testCallingWaitTwice(cb) {112  var pend = new Pend();113  pend.go(function(cb) {114    setTimeout(cb, 100);115  });116  pend.wait(function() {117    pend.go(function(cb) {118      setTimeout(cb, 50);119    });120    pend.go(function(cb) {121      setTimeout(cb, 10);122    });123    pend.go(function(cb) {124      setTimeout(cb, 20);125    });126    pend.wait(cb);127  });128}129 130function testHoldFn(cb) {131  var pend = new Pend();132  setTimeout(pend.hold(), 100);133  pend.go(function(cb) {134    cb();135  });136  pend.wait(cb);137}138