auru / unity-api

import test from 'ava';

import sinon from 'sinon';

import * as applyMiddleware from '../src/applyMiddleware';

import callAPIMethod from '../src/callAPIMethod';

import createAPI from '../src/createAPI';

const boundCallAPIMethod = _ => _;

test.beforeEach(t => {

    t.context.stubCallAPIMethod = sinon.stub(callAPIMethod, 'bind');

    t.context.stubCallAPIMethod.returns(boundCallAPIMethod);

    t.context.stubApplyMiddleware = sinon.stub(applyMiddleware, 'default');

});

test.afterEach.always(t => {

    t.context.stubApplyMiddleware.restore();

    t.context.stubCallAPIMethod.restore();

});

test('undefined resources', t => {

    const API = createAPI();

    t.deepEqual(API, {}, 'empty API object');

});

test('0 resources', t => {

    const API = createAPI({});

    t.deepEqual(API, {}, 'empty API object');

});

test('supports resource prefix insted of namespace', t => {

    const user = {

        prefix: 'user-endpoint',

        methods: {

            get: ({ id }) => ({ path: ['get', id] })

        }

    };

    const resources = { user };

    const API = createAPI(resources, [], 'https://example.com');

    API.user.get(1);

    t.true(t.context.stubCallAPIMethod.calledWithExactly(

        null, 'https://example.com', undefined, 'user-endpoint'

    ), 'correct arguments passed to callAPIMethod');

});

test('general behaviour', t => {

    const userResource = {

        namespace: 'user',

        methods: {

            get: ({ id }) => ({ path: ['get', id] }),

            delete: ({ id }) => ({ path: ['delete', id], options: { method: 'DELETE'} })

        }

    };

    const projectResource = {

        namespace: 'project',

        methods: {

            get: ({ id }) => ({ path: ['get', id] }),

            delete: ({ id }) => ({ path: ['delete', id], options: { method: 'DELETE'} })

        }

    };

    const resources = {

        user: userResource,

        project: projectResource

    };

    const middleware = [ _ => _, _ => _];

    const API = createAPI(resources, middleware, 'https://example.com');

    t.deepEqual(Object.keys(API), ['user', 'project'], 'resources');

    Object.keys(API).forEach(resource => {

        t.deepEqual(Object.keys(API[resource]), ['get', 'delete'], 'methods');

        Object.keys(API[resource]).forEach(method => {

            t.true(API[resource][method] instanceof Function, 'methods are functions');

        });

    });

    const methodOptions = { specific: 'option' };

    API.user.delete({ id: 1 }, methodOptions);

    t.true(t.context.stubCallAPIMethod.calledOnce);

    t.true(t.context.stubApplyMiddleware.calledOnce);

    t.true(t.context.stubCallAPIMethod.calledBefore(t.context.stubApplyMiddleware));

    t.true(t.context.stubCallAPIMethod.calledWithExactly(

        null, 'https://example.com', undefined, 'user'

    ));

    t.is(t.context.stubApplyMiddleware.lastCall.args[0], boundCallAPIMethod, 'applyMiddleware called with boundCallAPIMethod');

    t.is(t.context.stubApplyMiddleware.lastCall.args[1], middleware, 'applyMiddleware called with middleware');

    t.is(t.context.stubApplyMiddleware.lastCall.args[2], methodOptions, 'applyMiddleware called with methodOptions');

    t.deepEqual(t.context.stubApplyMiddleware.lastCall.args[3], {

        path: ['delete', 1], options: { method: 'DELETE'}

    }, 'applyMiddleware called with correct apiParams');

    t.is(t.context.stubApplyMiddleware.lastCall.args[4], 'user', 'applyMiddleware called with correct resourceId');

    t.is(t.context.stubApplyMiddleware.lastCall.args[5], 'delete', 'applyMiddleware called with correct method');

    API.user.delete({ id: 1 });

    t.true(t.context.stubCallAPIMethod.calledTwice);

    t.true(t.context.stubApplyMiddleware.calledTwice);

    t.true(t.context.stubCallAPIMethod.calledBefore(t.context.stubApplyMiddleware));

});