153 lines
4.6 KiB
JavaScript
153 lines
4.6 KiB
JavaScript
/**
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* Test case for JSON formatting of API result
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*
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* Copyright (C) 2010-2019 R-T Specialty, LLC.
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*
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* This file is part of the Liza Data Collection Framework
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*
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* Liza is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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var dapi = require( '../../../' ).dapi,
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expect = require( 'chai' ).expect,
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Class = require( 'easejs' ).Class,
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DataApi = dapi.DataApi,
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Sut = dapi.format.JsonResponse;
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describe( 'dapi.format.JsonRepsonse trait', function()
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{
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describe( '.request', function()
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{
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it( 'passes data to encapsulated DataApi', function()
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{
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var stubs = _createStubbedDapi( null, '0' ),
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expected = {};
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stubs.request( expected, function() {} );
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expect( stubs.given ).to.equal( expected );
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} );
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it( 'converts response to JSON', function( done )
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{
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var raw = '{"foo": "bar"}';
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_createStubbedDapi( null, raw )
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.request( '', function( err, data )
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{
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// should have been converted to JSON
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expect( data ).to.deep.equal( { foo: 'bar' } );
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expect( err ).to.equal( null );
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done();
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} );
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} );
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describe( 'when JSON parsing fails', function()
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{
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it( 'returns error', function( done )
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{
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_createStubbedDapi( null, 'ERR' )
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.request( '', function( err, data )
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{
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expect( err ).to.be.instanceOf( SyntaxError );
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done();
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} );
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} );
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it( 'provides bad text as object.text', function( done )
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{
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var text = 'NOT JSON';
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_createStubbedDapi( null, text )
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.request( '', function( err, data )
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{
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expect( data ).to.be.a( 'object' );
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expect( data.text ).to.equal( text );
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done();
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} );
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} );
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} );
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describe( 'on request error from supertype', function()
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{
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it( 'attempts to format output as JSON', function( done )
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{
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var chk = '{"foo": "bar"}';
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_createStubbedDapi( null, chk )
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.request( '', function( _, data )
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{
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expect( data ).to.be.a( 'object' );
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expect( data.foo ).to.equal( "bar" );
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done();
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} );
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} );
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it( 'proxies error when JSON output valid', function( done )
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{
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var e = Error( 'foo' );
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_createStubbedDapi( e, '{}' )
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.request( '', function( err, _ )
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{
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expect( err ).to.equal( e );
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done();
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} );
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} );
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it( 'produces both errors on bad JSON output', function( done )
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{
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var e = Error( 'foo' );
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_createStubbedDapi( e, 'BAD JSON' )
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.request( '', function( err, _ )
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{
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// the main error should indicate both
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expect( err ).to.be.instanceOf( Error );
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// and we should provide references to both
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expect( err.list[ 0 ] ).to.equal( e );
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expect( err.list[ 1 ] ).to.be.instanceOf(
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SyntaxError
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);
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done();
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} );
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} );
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} );
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} );
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} );
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function _createStubbedDapi( err, resp )
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{
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return Class.implement( DataApi ).extend(
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{
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given: null,
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'virtual public request': function( data, callback, id )
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{
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this.given = data;
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callback( err, resp );
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}
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} ).use( Sut )();
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}
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