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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/* $Rev$ $Date$ */
/**
* Test patch evaluation.
*/
#include <assert.h>
#include "stream.hpp"
#include "string.hpp"
#include "perf.hpp"
#include "../../modules/scheme/eval.hpp"
namespace tuscany {
namespace server {
const string ratingScript =
"(define author \"admin\")\n"
"(define updated \"Jan 01, 2012\")\n"
"(define orating 1)\n"
"(define nrating 4)\n"
"(define (patch id e)\n"
"(define (rating x e)\n"
"(define a (tree-select-assoc (list x) e))\n"
"(if (null? a) (list x \"0\") (car a))\n"
")\n"
"(define cratings (list (rating 'rating1 e) (rating 'rating2 e) (rating 'rating3 e) (rating 'rating4 e)))\n"
"(define (calcrating v i)\n"
"(define nv (+ v (if (= i orating) (- 1) (if (= i nrating) 1 0))))\n"
"(if (< nv 0) 0 nv)\n"
")\n"
"(define (calcratings r i)\n"
"(if (null? r)\n"
"r\n"
"(cons (list (car (car r)) (calcrating (cadr (car r)) i)) (calcratings (cdr r) (+ 1 i)))\n"
")\n"
")\n"
"(define nratings (calcratings cratings 1))\n"
"(define neg (+ 1 (+ (* (cadr (assoc 'rating1 nratings)) 2) (cadr (assoc 'rating2 nratings)))))\n"
"(define pos (+ 1 (+ (* (cadr (assoc 'rating4 nratings)) 2) (cadr (assoc 'rating3 nratings)))))\n"
"(define arating (* 4 (/ (- (/ (+ pos 1.9208) (+ pos neg)) (/ (* 1.96 (sqrt (+ (/ (* pos neg) (+ pos neg)) 0.9604))) (+ pos neg))) (+ 1 (/ 3.8416 (+ pos neg))))))\n"
"(list (list 'entry (list 'title (car id)) (list 'id (car id)) (list 'author author) (list 'updated updated) (list 'content (cons 'ratings (cons (list 'rating arating) nratings)))))\n"
")\n";
const bool testRating() {
const gc_scoped_pool pool;
scheme::Env env = scheme::setupEnvironment();
istringstream script(ratingScript);
const list<value> v = mklist<value>(mklist<value>("entry", mklist<value>("title", string("test")), mklist<value>("id", string("test")), mklist<value>("content", mklist<value>("ratings", mklist<value>("rating", 2.5), mklist<value>("rating1", 10), mklist<value>("rating2", 20), mklist<value>("rating3", 30), mklist<value>("rating4", 40)))));
const list<value> rv = mklist<value>(mklist<value>("entry", mklist<value>("title", string("test")), mklist<value>("id", string("test")), mklist<value>("author", string("admin")), mklist<value>("updated", string("Jan 01, 2012")), mklist<value>("content", mklist<value>("ratings", mklist<value>("rating", 2.674348916258323), mklist<value>("rating1", 9), mklist<value>("rating2", 20), mklist<value>("rating3", 30), mklist<value>("rating4", 41)))));
const value pval = scheme::evalScript(cons<value>("patch", scheme::quotedParameters(mklist<value>(mklist<value>(string("test")), v))), script, env);
assert(pval == rv);
return true;
}
}
}
int main() {
const tuscany::gc_scoped_pool p;
tuscany::cout << "Testing..." << tuscany::endl;
tuscany::server::testRating();
tuscany::cout << "OK" << tuscany::endl;
return 0;
}
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