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async schemas and async formats using generators, #40
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| 'use strict'; | ||
|
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| var isBrowser = typeof window == 'object'; | ||
| try { eval("(function*(){})()"); var hasGenerators = true; } catch(e){} | ||
| var skipTest = isBrowser || !hasGenerators; | ||
|
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| var Ajv = require('./ajv') | ||
| , should = require('./chai').should(); | ||
|
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| if (!skipTest) var co = require('' + 'co'); | ||
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| (skipTest ? describe.skip : describe) | ||
| ('async schemas, formats and keywords', function() { | ||
| var ajv, fullAjv; | ||
|
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| beforeEach(function () { | ||
| ajv = Ajv(); | ||
| fullAjv = Ajv({ allErrors: true }); | ||
| }); | ||
|
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| describe('async schemas without async elements', function() { | ||
| it('should pass result via callback in setTimeout', function() { | ||
| var schema = { | ||
| $async: true, | ||
| type: 'string', | ||
| maxLength: 3 | ||
| }; | ||
|
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| return Promise.all([ | ||
| test(ajv), | ||
| test(fullAjv) | ||
| ]); | ||
|
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| function test(ajv) { | ||
| var validate = ajv.compile(schema); | ||
|
|
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| return Promise.all([ | ||
| shouldBeValid( co(validate('abc')) ), | ||
| shouldBeInvalid( co(validate('abcd')) ), | ||
| shouldBeInvalid( co(validate(1)) ) | ||
| ]); | ||
| } | ||
| }); | ||
|
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| it('should fail compilation if async schema is inside sync schema', function() { | ||
| var schema = { | ||
| properties: { | ||
| foo: { | ||
| $async: true, | ||
| type: 'string', | ||
| maxLength: 3 | ||
| } | ||
| } | ||
| }; | ||
|
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| should.throw(function() { | ||
| ajv.compile(schema); | ||
| }); | ||
|
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| schema.$async = true; | ||
|
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| ajv.compile(schema); | ||
| }); | ||
| }); | ||
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| describe('async formats', function() { | ||
| it('should return promise that resolves as true or rejects with array of errors', function() { | ||
| var schema = { | ||
| $async: true, | ||
| type: 'string', | ||
| format: 'english_word', | ||
| minimum: 5 | ||
| }; | ||
|
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| return Promise.all([ | ||
| test(ajv), | ||
| test(fullAjv) | ||
| ]); | ||
|
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| function test(ajv) { | ||
| ajv.addFormat('english_word', { | ||
| async: true, | ||
| validate: checkWordOnServer | ||
| }); | ||
|
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| var validate = ajv.compile(schema); | ||
|
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| return Promise.all([ | ||
| shouldBeValid( co(validate('tomorrow')) ), | ||
| shouldBeInvalid( co(validate('manana')) ), | ||
| shouldBeInvalid( co(validate(1)) ) | ||
| ]); | ||
| } | ||
|
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| function checkWordOnServer(str) { | ||
| return str == 'tomorrow' ? Promise.resolve(true) | ||
| : str == 'manana' ? Promise.resolve(false) | ||
| : Promise.reject(new Error('unknown word')); | ||
| } | ||
| }); | ||
| }); | ||
| }); | ||
|
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| function shouldBeValid(p) { | ||
| return p.then(function (valid) { | ||
| valid .should.equal(true); | ||
| }); | ||
| } | ||
|
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|
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| var SHOULD_BE_INVALID = 'test: should be invalid'; | ||
| function shouldBeInvalid(p) { | ||
| return p.then(function (valid) { | ||
| throw new Error(SHOULD_BE_INVALID); | ||
| }) | ||
| .catch(function (err) { | ||
| if (err.message == SHOULD_BE_INVALID) throw err; | ||
| err. should.be.instanceof(Error); | ||
| err.errors .should.be.an('array'); | ||
| err.validation .should.equal(true); | ||
| }); | ||
| } |
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