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89 lines
2.5 KiB
89 lines
2.5 KiB
var Q = require('../kew')
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// test that contexts are propogated based on position
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exports.testContextWithDelay = function (test) {
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Q.resolve(true)
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.setContext({id: 1})
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.then(function (val, context) {
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test.equal(context.id, 1, 'Should return the first context')
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return Q.delay(500)
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})
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.setContext({id: 2})
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.then(function (val, context) {
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test.equal(context.id, 2, 'Should return the second context')
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return Q.delay(500)
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})
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.clearContext()
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.then(function (val, context) {
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test.equal(typeof context, 'undefined', 'Should return an undefined context')
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return Q.delay(500)
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})
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.setContext({id: 3})
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.fin(test.done)
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}
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// test adding and removing contexts
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exports.testGeneralContextFlow = function (test) {
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Q.resolve(true)
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// test no context exists
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.then(function (val, context) {
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test.equal(typeof context, 'undefined', 'Context should be undefined')
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throw new Error()
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})
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.fail(function (e, context) {
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test.equal(typeof context, 'undefined', 'Context should be undefined')
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})
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// set the context and mutate it
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.setContext({counter: 1})
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.then(function (val, context) {
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test.equal(context.counter, 1, 'Counter should be 1')
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context.counter++
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})
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.then(function (val, context) {
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test.equal(context.counter, 2, 'Counter should be 2')
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context.counter++
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throw new Error()
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})
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.fail(function (e, context) {
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test.equal(context.counter, 3, 'Counter should be 3')
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})
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// return a context
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.then(function (val, context) {
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return Q.resolve(false)
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.setContext({counter: 0})
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})
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.then(function (val, context) {
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test.equal(context.counter, 0, 'Counter should be 0')
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throw new Error()
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})
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.fail(function (e, context) {
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test.equal(context.counter, 0, 'Counter should be 0')
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})
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// returning a promise with a cleared context won't clear the parent context
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.then(function (val, context) {
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return Q.resolve(false).clearContext()
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})
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.then(function (val, context) {
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test.equal(context.counter, 0, 'Counter should be 0')
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throw new Error()
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})
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.fail(function (e, context) {
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test.equal(context.counter, 0, 'Counter should be 0')
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})
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// test that clearing the context works
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.clearContext()
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.then(function (val, context) {
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test.equal(typeof context, 'undefined', 'Context should be undefined')
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throw new Error()
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})
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.fail(function (e, context) {
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test.equal(typeof context, 'undefined', 'Context should be undefined')
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})
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.fin(test.done)
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}
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