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3cfe6d2cbb
refs https://github.com/TryGhost/Toolbox/issues/522 - API-level response caching allows to cache responses bypassing the "pipeline" processing - The main usecase for these caches is caching GET requests for expensive Content API requests - To enable response caching add a "cache" key with a cache instance as a value, for example for posts public cache configuration can look like: ``` module.exports = { docName: 'posts', browse: { cache: postsPublicService.api.cache, options: [ ... ```
337 lines
13 KiB
JavaScript
337 lines
13 KiB
JavaScript
const errors = require('@tryghost/errors');
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const should = require('should');
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const sinon = require('sinon');
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const shared = require('../');
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describe('Pipeline', function () {
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afterEach(function () {
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sinon.restore();
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});
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describe('stages', function () {
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describe('validation', function () {
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describe('input', function () {
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beforeEach(function () {
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sinon.stub(shared.validators.handle, 'input').resolves();
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});
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it('do it yourself', function () {
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const apiUtils = {};
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const apiConfig = {};
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const apiImpl = {
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validation: sinon.stub().resolves('response')
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};
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const frame = {};
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return shared.pipeline.STAGES.validation.input(apiUtils, apiConfig, apiImpl, frame)
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.then((response) => {
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response.should.eql('response');
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apiImpl.validation.calledOnce.should.be.true();
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shared.validators.handle.input.called.should.be.false();
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});
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});
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it('default', function () {
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const apiUtils = {
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validators: {
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input: {
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posts: {}
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}
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}
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};
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const apiConfig = {
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docName: 'posts'
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};
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const apiImpl = {
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options: ['include'],
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validation: {
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options: {
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include: {
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required: true
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}
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}
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}
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};
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const frame = {
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options: {}
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};
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return shared.pipeline.STAGES.validation.input(apiUtils, apiConfig, apiImpl, frame)
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.then(() => {
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shared.validators.handle.input.calledOnce.should.be.true();
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shared.validators.handle.input.calledWith(
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{
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docName: 'posts',
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options: {
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include: {
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required: true
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}
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}
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},
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{
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posts: {}
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},
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{
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options: {}
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}).should.be.true();
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});
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});
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});
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});
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describe('permissions', function () {
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let apiUtils;
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beforeEach(function () {
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apiUtils = {
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permissions: {
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handle: sinon.stub().resolves()
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}
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};
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});
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it('key is missing', function () {
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const apiConfig = {};
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const apiImpl = {};
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const frame = {};
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return shared.pipeline.STAGES.permissions(apiUtils, apiConfig, apiImpl, frame)
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.then(Promise.reject)
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.catch((err) => {
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(err instanceof errors.IncorrectUsageError).should.be.true();
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apiUtils.permissions.handle.called.should.be.false();
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});
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});
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it('do it yourself', function () {
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const apiConfig = {};
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const apiImpl = {
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permissions: sinon.stub().resolves('lol')
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};
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const frame = {};
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return shared.pipeline.STAGES.permissions(apiUtils, apiConfig, apiImpl, frame)
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.then((response) => {
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response.should.eql('lol');
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apiImpl.permissions.calledOnce.should.be.true();
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apiUtils.permissions.handle.called.should.be.false();
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});
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});
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it('skip stage', function () {
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const apiConfig = {};
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const apiImpl = {
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permissions: false
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};
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const frame = {};
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return shared.pipeline.STAGES.permissions(apiUtils, apiConfig, apiImpl, frame)
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.then(() => {
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apiUtils.permissions.handle.called.should.be.false();
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});
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});
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it('default', function () {
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const apiConfig = {};
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const apiImpl = {
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permissions: true
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};
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const frame = {};
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return shared.pipeline.STAGES.permissions(apiUtils, apiConfig, apiImpl, frame)
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.then(() => {
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apiUtils.permissions.handle.calledOnce.should.be.true();
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});
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});
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it('with permission config', function () {
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const apiConfig = {
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docName: 'posts'
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};
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const apiImpl = {
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permissions: {
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unsafeAttrs: ['test']
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}
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};
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const frame = {
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options: {}
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};
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return shared.pipeline.STAGES.permissions(apiUtils, apiConfig, apiImpl, frame)
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.then(() => {
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apiUtils.permissions.handle.calledOnce.should.be.true();
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apiUtils.permissions.handle.calledWith(
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{
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docName: 'posts',
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unsafeAttrs: ['test']
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},
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{
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options: {}
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}).should.be.true();
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});
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});
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});
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});
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describe('pipeline', function () {
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beforeEach(function () {
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sinon.stub(shared.pipeline.STAGES.validation, 'input');
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sinon.stub(shared.pipeline.STAGES.serialisation, 'input');
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sinon.stub(shared.pipeline.STAGES.serialisation, 'output');
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sinon.stub(shared.pipeline.STAGES, 'permissions');
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sinon.stub(shared.pipeline.STAGES, 'query');
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});
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it('ensure we receive a callable api controller fn', function () {
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const apiController = {
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add: {},
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browse: {}
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};
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const apiUtils = {};
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const result = shared.pipeline(apiController, apiUtils);
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result.should.be.an.Object();
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should.exist(result.add);
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should.exist(result.browse);
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result.add.should.be.a.Function();
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result.browse.should.be.a.Function();
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});
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it('call api controller fn', function () {
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const apiController = {
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add: {}
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};
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const apiUtils = {};
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const result = shared.pipeline(apiController, apiUtils);
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shared.pipeline.STAGES.validation.input.resolves();
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shared.pipeline.STAGES.serialisation.input.resolves();
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shared.pipeline.STAGES.permissions.resolves();
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shared.pipeline.STAGES.query.resolves('response');
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shared.pipeline.STAGES.serialisation.output.callsFake(function (response, _apiUtils, apiConfig, apiImpl, frame) {
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frame.response = response;
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});
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return result.add()
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.then((response) => {
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response.should.eql('response');
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shared.pipeline.STAGES.validation.input.calledOnce.should.be.true();
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shared.pipeline.STAGES.serialisation.input.calledOnce.should.be.true();
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shared.pipeline.STAGES.permissions.calledOnce.should.be.true();
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shared.pipeline.STAGES.query.calledOnce.should.be.true();
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shared.pipeline.STAGES.serialisation.output.calledOnce.should.be.true();
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});
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});
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it('api controller is fn, not config', function () {
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const apiController = {
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add() {
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return Promise.resolve('response');
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}
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};
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const apiUtils = {};
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const result = shared.pipeline(apiController, apiUtils);
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return result.add()
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.then((response) => {
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response.should.eql('response');
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shared.pipeline.STAGES.validation.input.called.should.be.false();
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shared.pipeline.STAGES.serialisation.input.called.should.be.false();
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shared.pipeline.STAGES.permissions.called.should.be.false();
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shared.pipeline.STAGES.query.called.should.be.false();
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shared.pipeline.STAGES.serialisation.output.called.should.be.false();
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});
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});
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});
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describe('caching', function () {
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beforeEach(function () {
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sinon.stub(shared.pipeline.STAGES.validation, 'input');
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sinon.stub(shared.pipeline.STAGES.serialisation, 'input');
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sinon.stub(shared.pipeline.STAGES.serialisation, 'output');
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sinon.stub(shared.pipeline.STAGES, 'permissions');
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sinon.stub(shared.pipeline.STAGES, 'query');
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});
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it('should set a cache if configured on endpoint level', async function () {
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const apiController = {
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browse: {
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cache: {
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get: sinon.stub().resolves(null),
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set: sinon.stub().resolves(true)
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}
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}
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};
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const apiUtils = {};
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const result = shared.pipeline(apiController, apiUtils);
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shared.pipeline.STAGES.validation.input.resolves();
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shared.pipeline.STAGES.serialisation.input.resolves();
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shared.pipeline.STAGES.permissions.resolves();
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shared.pipeline.STAGES.query.resolves('response');
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shared.pipeline.STAGES.serialisation.output.callsFake(function (response, _apiUtils, apiConfig, apiImpl, frame) {
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frame.response = response;
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});
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const response = await result.browse();
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response.should.eql('response');
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// request went through all stages
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shared.pipeline.STAGES.validation.input.calledOnce.should.be.true();
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shared.pipeline.STAGES.serialisation.input.calledOnce.should.be.true();
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shared.pipeline.STAGES.permissions.calledOnce.should.be.true();
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shared.pipeline.STAGES.query.calledOnce.should.be.true();
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shared.pipeline.STAGES.serialisation.output.calledOnce.should.be.true();
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// cache was set
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apiController.browse.cache.set.calledOnce.should.be.true();
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apiController.browse.cache.set.args[0][1].should.equal('response');
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});
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it('should use cache if configured on endpoint level', async function () {
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const apiController = {
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browse: {
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cache: {
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get: sinon.stub().resolves('CACHED RESPONSE'),
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set: sinon.stub().resolves(true)
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}
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}
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};
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const apiUtils = {};
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const result = shared.pipeline(apiController, apiUtils);
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shared.pipeline.STAGES.validation.input.resolves();
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shared.pipeline.STAGES.serialisation.input.resolves();
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shared.pipeline.STAGES.permissions.resolves();
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shared.pipeline.STAGES.query.resolves('response');
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shared.pipeline.STAGES.serialisation.output.callsFake(function (response, _apiUtils, apiConfig, apiImpl, frame) {
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frame.response = response;
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});
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const response = await result.browse();
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response.should.eql('CACHED RESPONSE');
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// request went through all stages
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shared.pipeline.STAGES.validation.input.calledOnce.should.be.false();
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shared.pipeline.STAGES.serialisation.input.calledOnce.should.be.false();
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shared.pipeline.STAGES.permissions.calledOnce.should.be.false();
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shared.pipeline.STAGES.query.calledOnce.should.be.false();
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shared.pipeline.STAGES.serialisation.output.calledOnce.should.be.false();
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// cache not set
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apiController.browse.cache.set.calledOnce.should.be.false();
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});
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});
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});
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