'use strict'; const common = require('../common'); const assert = require('assert'); const tick = require('./tick'); const async_hooks = require('async_hooks'); const { AsyncResource } = async_hooks; const initHooks = require('./init-hooks'); const { checkInvocations } = require('./hook-checks'); const hooks = initHooks(); hooks.enable(); common.expectsError( () => new AsyncResource(), { code: 'ERR_INVALID_ARG_TYPE', type: TypeError, }); assert.throws(() => { new AsyncResource('invalid_trigger_id', null); }, common.expectsError({ code: 'ERR_INVALID_ASYNC_ID', type: RangeError, })); assert.strictEqual( new AsyncResource('default_trigger_id').triggerAsyncId(), async_hooks.executionAsyncId() ); // create first custom event 'alcazares' with triggerAsyncId derived // from async_hooks executionAsyncId const alcaTriggerId = async_hooks.executionAsyncId(); const alcaEvent = new AsyncResource('alcazares', alcaTriggerId); const alcazaresActivities = hooks.activitiesOfTypes([ 'alcazares' ]); // alcazares event was constructed and thus only has an `init` call assert.strictEqual(alcazaresActivities.length, 1); const alcazares = alcazaresActivities[0]; assert.strictEqual(alcazares.type, 'alcazares'); assert.strictEqual(typeof alcazares.uid, 'number'); assert.strictEqual(alcazares.triggerAsyncId, alcaTriggerId); checkInvocations(alcazares, { init: 1 }, 'alcazares constructed'); assert.strictEqual(typeof alcaEvent.asyncId(), 'number'); assert.notStrictEqual(alcaEvent.asyncId(), alcaTriggerId); assert.strictEqual(alcaEvent.triggerAsyncId(), alcaTriggerId); alcaEvent.emitBefore(); checkInvocations(alcazares, { init: 1, before: 1 }, 'alcazares emitted before'); alcaEvent.emitAfter(); checkInvocations(alcazares, { init: 1, before: 1, after: 1 }, 'alcazares emitted after'); alcaEvent.emitBefore(); checkInvocations(alcazares, { init: 1, before: 2, after: 1 }, 'alcazares emitted before again'); alcaEvent.emitAfter(); checkInvocations(alcazares, { init: 1, before: 2, after: 2 }, 'alcazares emitted after again'); alcaEvent.emitDestroy(); tick(1, common.mustCall(tick1)); function tick1() { checkInvocations(alcazares, { init: 1, before: 2, after: 2, destroy: 1 }, 'alcazares emitted destroy'); // The below shows that we can pass any number as a trigger id const pobTriggerId = 111; const pobEvent = new AsyncResource('poblado', pobTriggerId); const pobladoActivities = hooks.activitiesOfTypes([ 'poblado' ]); const poblado = pobladoActivities[0]; assert.strictEqual(poblado.type, 'poblado'); assert.strictEqual(typeof poblado.uid, 'number'); assert.strictEqual(poblado.triggerAsyncId, pobTriggerId); checkInvocations(poblado, { init: 1 }, 'poblado constructed'); pobEvent.emitBefore(); checkInvocations(poblado, { init: 1, before: 1 }, 'poblado emitted before'); pobEvent.emitAfter(); checkInvocations(poblado, { init: 1, before: 1, after: 1 }, 'poblado emitted after'); // after we disable the hooks we shouldn't receive any events anymore hooks.disable(); alcaEvent.emitDestroy(); tick(1, common.mustCall(tick2)); function tick2() { checkInvocations( alcazares, { init: 1, before: 2, after: 2, destroy: 1 }, 'alcazares emitted destroy a second time after hooks disabled'); pobEvent.emitDestroy(); tick(1, common.mustCall(tick3)); } function tick3() { checkInvocations(poblado, { init: 1, before: 1, after: 1 }, 'poblado emitted destroy after hooks disabled'); } }