modelproxy.test.js

var assert = require( 'assert' );

var ModelProxy = require( '../lib-cov/modelproxy' );

describe( 'ModelProxy', function() {
  describe( '#init()', function() {
    it( 'throws exception when the path of the interface is not right', function() {
      assert.throws( function() {
        ModelProxy.init( 'error/path/interface_test.json' );
      }, function( err ) {
        return err.toString().indexOf( 'no such file or directory' ) !== -1;
      } );
    } );
  } );

  describe( '#setLogger()', function() {
    it( 'should replace the console with the specified logger', function() {
      var logger = {
        info: function( msg ) {
          console.log( 'INFO:', msg );
        },
        log: function( msg ) {
          console.log( 'LOG:', msg );
        },
        error: function( msg ) {
          console.log( 'ERROR:', msg );
        },
        warn: function( msg ) {
          console.log( 'WARN:', msg );
        }
      };
      
      ModelProxy.setLogger( logger );
      
    } );
  } );

  ModelProxy.init( '../tests/interface_test.json' );
  
  describe( '#create()', function() {
    it( 'should return an object with methods specified by the profile', function() {
      var m = ModelProxy.create( 'Search.suggest' );
      assert( typeof m.suggest === 'function' );

      m = ModelProxy.create( [ 'Search.suggest', 'Cart.getMyCart' ] );
      assert( typeof m.suggest === 'function' );
      assert( typeof m.getMyCart === 'function' );

      m = ModelProxy.create( {
        suggest: 'Search.suggest',
        getCart: 'Cart.getMyCart'
      } );
      assert( typeof m.suggest === 'function' );
      assert( typeof m.getCart === 'function' );

      m = ModelProxy.create( 'Search.*' );
      assert( typeof m.list === 'function' );
      assert( typeof m.suggest === 'function' );
      assert( typeof m.getNav === 'function' );

      m = ModelProxy.create( [ 'Search.getNav', 'D.getNav' ] );
      assert( typeof m.Search_getNav === 'function' );
      assert( typeof m.getNav === 'function' );

    } );

    it('should throw exception if the specified interface id does not exist', function() {
      assert.throws( function() {
        var m = ModelProxy.create( 'Search.getItems' );
      }, function( err ) {
        return err.toString().indexOf( 'Invalid interface id' ) !== -1;
      } );
      assert.throws( function() {
        var m = ModelProxy.create( ['Search.getItems'] );
      }, function( err ) {
        return err.toString().indexOf( 'Invalid interface id' ) !== -1;
      } );

      assert.throws( function() {
        var m = ModelProxy.create( {
          getItems: 'Search.getItems',
          getMyCart: 'Cart.getMyCart'
        } );
      }, function( err ) {
        return err.toString().indexOf( 'Invalid interface id' ) !== -1;
      } );
    } );
  } );

} );

describe( 'modelProxy', function() {

  describe( '#method()', function() {
    var m = ModelProxy.create( 'Search.suggest' );
    it( 'should return itself', function() {
      var m = ModelProxy.create( 'Search.suggest' );
      assert( m.suggest( { q: 'i'} ) === m );
    } );
  } );

  describe( '#done()', function() {
    var m = ModelProxy.create( 'Search.*' );
    it( 'should send all requests pushed before done and fetch the corresponding data into the callback'
      , function( done ) {
      m.suggest( {q: 'i'} )
        .list( {q: 'i'} )
        .done( function( data1, data2 ) {
          assert( typeof data1 === 'object' );
          assert( typeof data2 === 'object' );
          done();
        } );
    } );

    it( 'should catch error when the request has error', function( done ) {
      var m = ModelProxy.create( 'Cart.*' );
      m.getMyCart()
       .withCookie( 'a=b' )
       .done( function( data ) {

       }, function( err ) {
        assert( err instanceof Error ); 
        done();
       } );
    } );

    it( 'should callback directly if no method is called before calling done()', function( done ) {
      var m = ModelProxy.create( 'Cart.*' )
      m.done( function( nothing ) {
        assert( nothing === undefined );
        done();
      } );
    } );

    it( 'should output the error when no errCallback is specified', function() {
      var m = ModelProxy.create( 'Cart.*' );
      m.getMyCart( {q:'a',key: 'b'} )
       .withCookie( 'a=b' )
       .done( function( data ) {

       } );
    } );

    it( 'should write the data into request body when the method type is POST', function( done ) {
      var model = ModelProxy.create( 'Test.post' );
      model.post( {
          a: 'abc',
          b: 'bcd',
          c: '{"a":"b"}'
      } ).done( function( data ) {
          assert.strictEqual( data, 'this is the msg from mockserver!' );
          done();
      } );
    } );

    it( 'should inspire errCallback due to the response is timeout', function( done ) {
      var model = ModelProxy.create( {
        'getData': 'Test.timeoutUrl'
      } );

      model.getData()
      .done( function( data ) {
      }, function( err ) {
        console.log( err + 'timeout, timeout timeout timeout' );
        done();
      } )
      .error( function( err ) {
        console.log( err );
        done();
      } );

    } );

  } );

  describe( '#withCookie()', function() {
    it( 'should be called to set cookie before request the interface which is cookie needed'
      , function( done ) {
      var m = ModelProxy.create( 'Cart.*' );
      var cookie = 'ali_ab=42.120.74.193.1395041649126.7; l=c%E6%B5%8B%E8%AF%95%E8%B4%A6%E5%8F%B7135::1395387929931::11; cna=KcVJCxpk1XkCAX136Nv5aaC4; _tb_token_=DcE1K7Gbq9n; x=e%3D1%26p%3D*%26s%3D0%26c%3D0%26f%3D0%26g%3D0%26t%3D0%26__ll%3D-1%26_ato%3D0; whl=-1%260%260%260; ck1=; lzstat_uv=16278696413116954092|2511607@2511780@2738597@3258521@878758@2735853@2735859@2735862@2735864@2341454@2868200@2898598; lzstat_ss=3744453007_0_1396468901_2868200|970990289_0_1396468901_2898598; uc3=nk2=AKigXc46EgNui%2FwL&id2=Vy%2BbYvqj0fGT&vt3=F8dHqR%2F5HOhOUWkAFIo%3D&lg2=UtASsssmOIJ0bQ%3D%3D; lgc=c%5Cu6D4B%5Cu8BD5%5Cu8D26%5Cu53F7135; tracknick=c%5Cu6D4B%5Cu8BD5%5Cu8D26%5Cu53F7135; _cc_=U%2BGCWk%2F7og%3D%3D; tg=0; mt=ci=3_1&cyk=0_0; cookie2=1c5db2f359099faff00e14d7f39e16f2; t=e8bd0dbbf4bdb8f3704a1974b8a166b5; v=0; uc1=cookie14=UoLVYyvcdJF0aw%3D%3D';
      m.getMyCart()
       .withCookie( cookie )
       .done( function( data ) {
        done();
       }, function( err ) {
        console.log( err );
        done();
       } );
    } );
  } );

  describe( '#error()', function() {
    it( 'should specify the final error callback if there is no errCallback specified when done() is called'
      , function( done ) {
        var m = ModelProxy.create( 'Cart.*' );
        m.getMyCart()
         .withCookie( 'a=b' )
         .done( function( data ) {

         } ).error( function( err ) {
          done();
         } );
      } );
  } );

} );