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<?php
/**
* 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.
*/
class ObjEe {
public $Ee;
}
/**
* ExpressionParser test case.
*/
class ExpressionParserTest extends PHPUnit_Framework_TestCase {
private $input;
private $tokenStream;
private $dataContext;
/**
* Prepares the environment before running a test.
*/
protected function setUp() {
parent::setUp();
$encoded_json = base64_encode('{"array_attr": [0, 1]}');
$attr_equ = "no_prefix_id.Ee+---((2-1)*(4.0-3)-1.0/2+5e-1)>-.5e+1+4 or not empty cur_id['empty_str']&&!top_id.null_attr";
$this->input = 'osx:parseJson(osx:urlDecode(osx:urlEncode(osx:decodeBase64("' . $encoded_json . '"))))'
. '.array_attr['
. $attr_equ . "?0:1"
. "]==1?(true?'no_prefix_id.Ee > 0':"
. '"\'should never be here\' \\\\\\""'
. "):'no_prefix_id.Ee <= 0'";
$this->tokenStream = array(
new Token(ExpType::$FUNCTION, 'osx:parseJson'),
new Token(ExpType::$PAREN, '('),
new Token(ExpType::$FUNCTION, 'osx:urlDecode'),
new Token(ExpType::$PAREN, '('),
new Token(ExpType::$FUNCTION, 'osx:urlEncode'),
new Token(ExpType::$PAREN, '('),
new Token(ExpType::$FUNCTION, 'osx:decodeBase64'),
new Token(ExpType::$PAREN, '('),
new Token(ExpType::$STRING, 'eyJhcnJheV9hdHRyIjpbMSwgMF19'),
new Token(ExpType::$PAREN, ')'),
new Token(ExpType::$PAREN, ')'),
new Token(ExpType::$PAREN, ')'),
new Token(ExpType::$PAREN, ')'),
new Token(ExpType::$DOT, '.'),
new Token(ExpType::$IDENTITY, 'array_attr'),
new Token(ExpType::$PAREN, '['),
new Token(ExpType::$IDENTITY, 'no_prefix_id'),
new Token(ExpType::$DOT, '.'),
new Token(ExpType::$IDENTITY, 'Ee'),
new Token(ExpType::$BINARY_OP, '+'),
new Token(ExpType::$UNARY_OP, '- '),
new Token(ExpType::$UNARY_OP, '- '),
new Token(ExpType::$UNARY_OP, '- '),
new Token(ExpType::$PAREN, '('),
new Token(ExpType::$PAREN, '('),
new Token(ExpType::$INT, 2),
new Token(ExpType::$BINARY_OP, ' - '),
new Token(ExpType::$INT, 1),
new Token(ExpType::$PAREN, ')'),
new Token(ExpType::$BINARY_OP, '*'),
new Token(ExpType::$PAREN, '('),
new Token(ExpType::$FLOAT, 4.0),
new Token(ExpType::$BINARY_OP, ' - '),
new Token(ExpType::$INT, 3),
new Token(ExpType::$BINARY_OP, ' - '),
new Token(ExpType::$FLOAT, 1.0),
new Token(ExpType::$BINARY_OP, '/'),
new Token(ExpType::$INT, 2),
new Token(ExpType::$BINARY_OP, '+'),
new Token(ExpType::$FLOAT, 0.5),
new Token(ExpType::$PAREN, ')'),
new Token(ExpType::$BINARY_OP, '>'),
new Token(ExpType::$UNARY_OP, '- '),
new Token(ExpType::$FLOAT, 5.0),
new Token(ExpType::$BINARY_OP, '+'),
new Token(ExpType::$INT, 4),
new Token(ExpType::$BINARY_OP, '||'),
new Token(ExpType::$UNARY_OP, '!'),
new Token(ExpType::$UNARY_OP, 'empty'),
new Token(ExpType::$IDENTITY, 'cur_id'),
new Token(ExpType::$PAREN, '['),
new Token(ExpType::$STRING, 'empty_str'),
new Token(ExpType::$PAREN, ']'),
new Token(ExpType::$BINARY_OP, '&&'),
new Token(ExpType::$UNARY_OP, '!'),
new Token(ExpType::$IDENTITY, 'top_id'),
new Token(ExpType::$DOT, '.'),
new Token(ExpType::$IDENTITY, 'null_attr'),
new Token(ExpType::$TERNARY, '?'),
new Token(ExpType::$INT, 0),
new Token(ExpType::$TERNARY, ':'),
new Token(ExpType::$INT, 1),
new Token(ExpType::$PAREN, ']'),
new Token(ExpType::$BINARY_OP, '=='),
new Token(ExpType::$INT, 1),
new Token(ExpType::$TERNARY, '?'),
new Token(ExpType::$PAREN, '('),
new Token(ExpType::$BOOL, true),
new Token(ExpType::$TERNARY, '?'),
new Token(ExpType::$STRING, 'no_prefix_id.Ee > 0'),
new Token(ExpType::$TERNARY, ':'),
new Token(ExpType::$STRING, '"\'should never be here\' \\\\\\""'),
new Token(ExpType::$PAREN, ')'),
new Token(ExpType::$TERNARY, ':'),
new Token(ExpType::$STRING, 'no_prefix_id.Ee <= 0')
);
$no_prefix_id = new ObjEe();
$no_prefix_id->Ee = 1; // change this number to see the difference
$cur_id = array('empty_str' => '');
$top_id = (object)'empty_object';
$this->dataContext = array(
'no_prefix_id' => $no_prefix_id,
'Cur' => array('cur_id' => $cur_id),
'My' => array(),
'Top' => array('top_id' => $top_id)
);
}
/**
* Cleans up the environment after running a test.
*/
protected function tearDown() {
parent::tearDown();
}
/**
* Tests ExpLexer::process
*/
public function testProcess() {
$actualTokenStream = ExpLexer::process($this->input);
$this->assertEquals($this->tokenStream, $actualTokenStream);
}
/**
* Tests ExpParser::parse
*/
public function testParse() {
$this->dataContext['no_prefix_id']->Ee = 1;
$actualResult = ExpParser::parse($this->tokenStream, $this->dataContext);
$this->assertEquals(new Token(ExpType::$STRING, 'no_prefix_id.Ee > 0'), $actualResult);
$this->dataContext['no_prefix_id']->Ee = -1;
$actualResult = ExpParser::parse($this->tokenStream, $this->dataContext);
$this->assertEquals(new Token(ExpType::$STRING, 'no_prefix_id.Ee <= 0'), $actualResult);
}
/**
* Tests ExpressionParser::evaluate
*/
public function testEvaluate() {
$actualOutput = ExpressionParser::evaluate($this->input, $this->dataContext);
// Expected result
$this->assertEquals('no_prefix_id.Ee > 0', $actualOutput);
}
}
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