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RatingService: Improved error handling

This does only a slightly better job than before.
master
Mike Gerwitz 2019-10-28 10:56:13 -04:00
parent a23f2040dd
commit 65e7880c81
2 changed files with 201 additions and 87 deletions

View File

@ -34,6 +34,13 @@ import { UserResponse } from "../request/UserResponse";
type RequestCallback = () => void;
/** Result of rating */
export type RateRequestResult = {
data: RateResult,
initialRatedDate: UnixTimestamp,
lastRatedDate: UnixTimestamp,
};
/**
* Handle rating requests
@ -93,32 +100,38 @@ export class RatingService
_response: UserResponse,
quote: ServerSideQuote,
cmd: string,
): Promise<void>
): Promise<RateRequestResult>
{
const program = quote.getProgram();
return new Promise<RateRequestResult>( resolve =>
{
// cmd represents a request for a single rater
if ( !cmd && this._isQuoteValid( quote ) )
{
// send an empty reply (keeps what is currently in the bucket)
// send an empty reply (keeps what is currently in the
// bucket)
this._server.sendResponse( request, quote, {
data: {},
}, [] );
return Promise.resolve();
// XXX: When this class is no longer responsible for
// sending the response to the server, this below data needs
// to represent the _current_ values, since as it is written
// now, it'll overwrite what is currently in the bucket
return resolve( {
data: { _unavailable_all: '0' },
initialRatedDate: <UnixTimestamp>0,
lastRatedDate: <UnixTimestamp>0,
} );
}
var program = quote.getProgram();
return new Promise( ( resolve, reject ) =>
{
try
{
this._performRating( request, program, quote, cmd, resolve );
}
catch ( err )
resolve( this._performRating( request, program, quote, cmd ) );
} )
.catch( err =>
{
this._sendRatingError( request, quote, program, err );
reject( err );
}
throw err;
} );
}
@ -155,13 +168,24 @@ export class RatingService
}
/**
* Perform rating and process result
*
* @param request - user request to satisfy
* @param program - quote program
* @param quote - quote to process
* @param indv - individual supplier to rate (or empty)
*
* @return promise for results of rating
*/
private _performRating(
request: UserRequest,
program: Program,
quote: ServerSideQuote,
indv: string,
c: RequestCallback,
)
): Promise<RateRequestResult>
{
return new Promise<RateRequestResult>( ( resolve, reject ) =>
{
var rater = this._rater_manager.byId( program.getId() );
@ -192,20 +216,22 @@ export class RatingService
quote, class_dest, () => {}, () => {}
);
const result = {
data: cleaned,
initialRatedDate: quote.getRatedDate(),
lastRatedDate: quote.getLastPremiumDate()
};
// save all data server-side (important: do after
// post-processing); async
this._saveRatingData( quote, rate_data, indv, function()
{
// we're done
c();
resolve( result );
} );
// no need to wait for the save; send the response
this._server.sendResponse( request, quote, {
data: cleaned,
initialRatedDate: quote.getRatedDate(),
lastRatedDate: quote.getLastPremiumDate()
}, actions );
this._server.sendResponse( request, quote, result, actions );
},
( message: string ) =>
{
@ -213,9 +239,10 @@ export class RatingService
Error( message )
);
c();
reject( Error( message ) );
}
);
} );
}

View File

@ -44,6 +44,31 @@ chai_use( require( 'chai-as-promised' ) );
describe( 'RatingService', () =>
{
it( "returns rating results", () =>
{
const {
logger,
server,
raters,
dao,
request,
response,
quote,
stub_rate_data,
} = getStubs();
const sut = new Sut( logger, dao, server, raters );
const expected = {
data: stub_rate_data,
initialRatedDate: quote.getRatedDate(),
lastRatedDate: quote.getLastPremiumDate(),
};
return expect( sut.request( request, response, quote, "" ) )
.to.eventually.deep.equal( expected );
} );
it( "saves rate data to own field", () =>
{
const {
@ -86,17 +111,18 @@ describe( 'RatingService', () =>
} );
it( "rejects with error", () =>
it( "rejects and responds with error", () =>
{
const {
logger,
server,
raters,
dao,
request,
response,
logger,
program,
quote,
rater,
raters,
request,
response,
server,
} = getStubs();
const expected_error = new Error( "expected error" );
@ -105,8 +131,66 @@ describe( 'RatingService', () =>
const sut = new Sut( logger, dao, server, raters );
let logged = false;
logger.log = function(
priority: number,
_format: string,
qid: QuoteId,
program_id: string,
message: string,
)
{
if ( typeof message === 'string' )
{
expect( priority ).to.equal( logger.PRIORITY_ERROR );
expect( qid ).to.equal( quote.getId() );
expect( program_id ).to.equal( program.getId() );
expect( message ).to.contain( expected_error.message );
logged = true;
}
return logger;
};
return expect( sut.request( request, response, quote, "" ) )
.to.eventually.rejectedWith( expected_error );
.to.eventually.rejectedWith( expected_error )
.then( () => expect( logged ).to.be.true );
} );
it( "returns error message from rater", () =>
{
const {
dao,
logger,
quote,
rater,
raters,
request,
response,
server,
} = getStubs();
const expected_message = 'expected foo';
const sut = new Sut( logger, dao, server, raters );
rater.rate = (
_quote: ServerSideQuote,
_session: UserSession,
_indv: string,
_success: ( data: RateResult, actions: ClientActions ) => void,
failure: ( message: string ) => void,
) =>
{
failure( expected_message );
return rater;
};
return expect( sut.request( request, response, quote, "" ) )
.to.eventually.rejectedWith( Error, expected_message );
} );
@ -142,7 +226,7 @@ describe( 'RatingService', () =>
}
}( logger, dao, server, raters );
return sut.request( request, response, quote, 'something' );
sut.request( request, response, quote, 'something' );
} );
it( "calls getLastPremiumDate during #_performRating", done =>
@ -183,9 +267,8 @@ describe( 'RatingService', () =>
return server;
};
return sut.request( request, response, quote, "" );
sut.request( request, response, quote, "" );
} );
} );
} );
@ -211,9 +294,13 @@ function getStubs()
_session: UserSession,
_indv: string,
success: ( data: RateResult, actions: ClientActions ) => void,
_failure: ( message: string ) => void,
)
{
success( stub_rate_data, [] );
// force to be async so that the tests resemble how the code
// actually runs
process.nextTick( () => success( stub_rate_data, [] ) );
return this;
}
};
@ -230,7 +317,7 @@ function getStubs()
readonly PRIORITY_INFO: number = 3;
readonly PRIORITY_SOCKET: number = 4;
log(): this
log( _priority: number, ..._args: Array<string|number> ): this
{
return this;
}