mirror of
https://github.com/zoe-may/TDoG-Skin.git
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366 lines
12 KiB
PHP
366 lines
12 KiB
PHP
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<?php
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/**
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* Hoa
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*
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*
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* @license
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*
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* New BSD License
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*
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* Copyright © 2007-2017, Hoa community. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the Hoa nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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namespace Hoa\Compiler\Test\Integration\Llk\Rule;
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use Hoa\Compiler as LUT;
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use Hoa\Compiler\Llk\Rule;
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use Hoa\Compiler\Llk\Rule\Analyzer as SUT;
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use Hoa\Test;
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/**
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* Class \Hoa\Compiler\Test\Integration\Llk\Rule\Analyzer.
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*
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* Test suite of the rule analyzer.
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*
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* @copyright Copyright © 2007-2017 Hoa community
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* @license New BSD License
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*/
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class Analyzer extends Test\Integration\Suite
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{
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public function case_simple_kept_token()
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{
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return $this->_case_simple_token(true);
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}
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public function case_simple_skipped_token()
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{
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return $this->_case_simple_token(false);
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}
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protected function _case_simple_token($kept)
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{
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$this
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->given(
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$tokens = ['default' => ['foo' => 'bar']],
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$ruleA = $kept ? '<foo>' : '::foo::',
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$analyzer = new SUT($tokens),
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$_ruleA = new Rule\Token('ruleA', 'foo', null, -1, $kept),
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$_ruleA->setPPRepresentation($ruleA)
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)
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->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
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->then
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->array($result)
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->isEqualTo([
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'ruleA' => $_ruleA
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]);
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}
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public function case_simple_named()
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{
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$this
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->given(
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$tokens = ['default' => ['foo' => 'bar']],
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$rules = [
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'ruleA' => 'ruleB()',
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'ruleB' => '<foo>'
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],
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$analyzer = new SUT($tokens),
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$_ruleA = new Rule\Concatenation('ruleA', ['ruleB']),
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$_ruleA->setPPRepresentation($rules['ruleA']),
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$_ruleB = new Rule\Token('ruleB', 'foo', null, -1, true),
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$_ruleB->setPPRepresentation($rules['ruleB'])
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)
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->when($result = $analyzer->analyzeRules($rules))
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->then
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->array($result)
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->isEqualTo([
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'ruleA' => $_ruleA,
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'ruleB' => $_ruleB
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]);
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}
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public function case_simple_kept_unified_token()
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{
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return $this->_case_simple_unified_token(true);
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}
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public function case_simple_skipped_unified_token()
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{
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return $this->_case_simple_unified_token(false);
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}
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protected function _case_simple_unified_token($kept)
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{
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$this
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->given(
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$tokens = ['default' => ['foo' => 'bar']],
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$ruleA = $kept ? '<foo[42]>' : '::foo[42]::',
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$analyzer = new SUT($tokens),
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$_ruleA = new Rule\Token('ruleA', 'foo', null, 42, $kept),
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$_ruleA->setPPRepresentation($ruleA)
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)
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->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
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->then
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->array($result)
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->isEqualTo([
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'ruleA' => $_ruleA
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]);
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}
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public function case_repetition_zero_or_one()
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{
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return $this->_case_repetition('?', 0, 1);
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}
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public function case_repetition_one_or_more()
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{
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return $this->_case_repetition('+', 1, -1);
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}
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public function case_repetition_zero_or_more()
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{
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return $this->_case_repetition('*', 0, -1);
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}
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public function case_repetition_n_to_m()
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{
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return $this->_case_repetition('{7,42}', 7, 42);
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}
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public function case_repetition_n_or_more()
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{
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return $this->_case_repetition('{7,}', 7, -1);
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}
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public function case_repetition_exactly_n()
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{
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return $this->_case_repetition('{7}', 7, 7);
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}
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protected function _case_repetition($quantifier, $min, $max)
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{
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$this
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->given(
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$tokens = ['default' => ['foo' => 'bar']],
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$ruleA = '<foo>' . $quantifier,
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$analyzer = new SUT($tokens),
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$_ruleA = new Rule\Repetition('ruleA', $min, $max, 0, null),
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$_ruleA->setPPRepresentation($ruleA),
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$_rule0 = new Rule\Token(0, 'foo', null, -1, true)
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)
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->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
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->then
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->array($result)
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->isEqualTo([
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'0' => $_rule0,
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'ruleA' => $_ruleA
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]);
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}
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public function case_concatenation()
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{
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$this
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->given(
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$tokens = ['default' => ['foo' => 'bar', 'baz' => 'qux']],
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$ruleA = '<foo> <baz>',
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$analyzer = new SUT($tokens),
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$_ruleA = new Rule\Concatenation('ruleA', [0, 1], null),
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$_ruleA->setPPRepresentation($ruleA),
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$_rule0 = new Rule\Token(0, 'foo', null, -1, true),
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$_rule1 = new Rule\Token(1, 'baz', null, -1, true)
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)
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->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
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->then
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->array($result)
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->isEqualTo([
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0 => $_rule0,
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1 => $_rule1,
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'ruleA' => $_ruleA
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]);
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}
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public function case_choice()
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{
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$this
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->given(
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$tokens = ['default' => ['foo' => 'bar', 'baz' => 'qux']],
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$ruleA = '<foo> | <baz>',
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$analyzer = new SUT($tokens),
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$_ruleA = new Rule\Choice('ruleA', [0, 1], null),
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$_ruleA->setPPRepresentation($ruleA),
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$_rule0 = new Rule\Token(0, 'foo', null, -1, true),
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$_rule1 = new Rule\Token(1, 'baz', null, -1, true)
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)
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->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
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->then
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->array($result)
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->isEqualTo([
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0 => $_rule0,
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1 => $_rule1,
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'ruleA' => $_ruleA
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]);
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}
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public function case_rule()
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{
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$this
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->given(
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$tokens = ['default' => ['foo' => 'bar', 'baz' => 'qux']],
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$ruleA = '<foo> | <baz>',
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$analyzer = new SUT($tokens),
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$_ruleA = new Rule\Choice('ruleA', [0, 1], null),
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$_ruleA->setPPRepresentation($ruleA),
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$_rule0 = new Rule\Token(0, 'foo', null, -1, true),
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$_rule1 = new Rule\Token(1, 'baz', null, -1, true)
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)
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->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
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->then
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->array($result)
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->isEqualTo([
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0 => $_rule0,
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1 => $_rule1,
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'ruleA' => $_ruleA
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]);
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}
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public function case_full()
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{
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$this
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->given(
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$tokens = ['default' => ['foo' => 'bar', 'baz' => 'qux']],
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$ruleA = '<foo>+ | ruleB() ::foo::',
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$ruleB = '<baz> ruleA()',
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$analyzer = new SUT($tokens),
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$_rule0 = new Rule\Token(0, 'foo', null, -1, true),
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$_rule1 = new Rule\Repetition('1', 1, -1, '0', null),
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$_rule2 = new Rule\Token(2, 'foo', null, -1, false),
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$_rule3 = new Rule\Concatenation('3', ['ruleB', 2]),
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$_ruleA = new Rule\Choice('ruleA', [1, 3], null),
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$_ruleA->setPPRepresentation($ruleA),
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$_rule5 = new Rule\Token(5, 'baz', null, -1, true),
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$_ruleB = new Rule\Concatenation('ruleB', [5, 'ruleA']),
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$_ruleB->setPPRepresentation($ruleB)
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)
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->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA, 'ruleB' => $ruleB]))
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->then
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->array($result)
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->isEqualTo([
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0 => $_rule0,
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1 => $_rule1,
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2 => $_rule2,
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3 => $_rule3,
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'ruleA' => $_ruleA,
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5 => $_rule5,
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'ruleB' => $_ruleB
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]);
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}
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public function case_no_rule()
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{
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$this
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->given($analyzer = new SUT([]))
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->exception(function () use ($analyzer) {
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$analyzer->analyzeRules([]);
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})
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->isInstanceOf(LUT\Exception::class)
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->hasMessage('No rules specified!');
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}
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public function case_error_while_parsing_rule()
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{
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$this
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->given(
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$tokens = ['default' => ['foo' => 'bar']],
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$ruleA = '<foo>{2,1}',
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$analyzer = new SUT($tokens)
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)
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->exception(function () use ($analyzer, $ruleA) {
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$analyzer->analyzeRules(['ruleA' => $ruleA]);
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})
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->isInstanceOf(LUT\Exception::class)
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->hasMessage(
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'Upper bound 1 must be greater or equal to lower bound ' .
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'2 in rule ruleA.'
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);
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}
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public function case_kept_token_does_not_exist()
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{
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$this
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->given(
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$tokens = [],
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$ruleA = '<foo>',
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$analyzer = new SUT($tokens)
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)
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->exception(function () use ($analyzer, $ruleA) {
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$analyzer->analyzeRules(['ruleA' => $ruleA]);
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})
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->isInstanceOf(LUT\Exception::class)
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->hasMessage('Token <foo> does not exist in rule ruleA.');
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}
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public function case_skipped_token_does_not_exist()
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{
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$this
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->given(
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$tokens = [],
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$ruleA = '::foo::',
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$analyzer = new SUT($tokens)
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)
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->exception(function () use ($analyzer, $ruleA) {
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$analyzer->analyzeRules(['ruleA' => $ruleA]);
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})
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->isInstanceOf(LUT\Exception::class)
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->hasMessage('Token ::foo:: does not exist in rule ruleA.');
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}
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public function case_rule_does_not_exist()
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{
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$this
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->given(
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$tokens = [],
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$ruleA = 'ruleB()',
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$analyzer = new SUT($tokens)
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)
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->exception(function () use ($analyzer, $ruleA) {
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$analyzer->analyzeRules(['ruleA' => $ruleA]);
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})
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->isInstanceOf(LUT\Exception::class)
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->hasMessage(
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'Cannot call rule ruleB() in rule ruleA because it does not exist.'
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);
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}
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}
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