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authorIvan Enderlin <ivan.enderlin@hoa-project.net>2016-08-14 13:18:39 +0200
committerIvan Enderlin <ivan.enderlin@hoa-project.net>2016-08-14 16:32:35 +0200
commit6c9acc088e92584e903d2d40bbdde00901dd337d (patch)
tree62dfae86d94f23fe554572883e96769246ca5947
parent261bb053785daff922880ff39bffb0531af3b12a (diff)
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Test: Write `…piler\Llk\Rule\Analyzer` test suite.
-rw-r--r--Test/Integration/Llk/Rule/Analyzer.php365
1 files changed, 365 insertions, 0 deletions
diff --git a/Test/Integration/Llk/Rule/Analyzer.php b/Test/Integration/Llk/Rule/Analyzer.php
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+++ b/Test/Integration/Llk/Rule/Analyzer.php
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+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2016, Hoa community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the Hoa nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace Hoa\Compiler\Test\Integration\Llk\Rule;
+
+use Hoa\Compiler as LUT;
+use Hoa\Compiler\Llk\Rule;
+use Hoa\Compiler\Llk\Rule\Analyzer as SUT;
+use Hoa\Test;
+
+/**
+ * Class \Hoa\Compiler\Test\Integration\Llk\Rule\Analyzer.
+ *
+ * Test suite of the rule analyzer.
+ *
+ * @copyright Copyright © 2007-2016 Hoa community
+ * @license New BSD License
+ */
+class Analyzer extends Test\Integration\Suite
+{
+ public function case_simple_kept_token()
+ {
+ return $this->_case_simple_token(true);
+ }
+
+ public function case_simple_skipped_token()
+ {
+ return $this->_case_simple_token(false);
+ }
+
+ protected function _case_simple_token($kept)
+ {
+ $this
+ ->given(
+ $tokens = ['default' => ['foo' => 'bar']],
+ $ruleA = $kept ? '<foo>' : '::foo::',
+ $analyzer = new SUT($tokens),
+
+ $_ruleA = new Rule\Token('ruleA', 'foo', null, -1, $kept),
+ $_ruleA->setPPRepresentation($ruleA)
+ )
+ ->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
+ ->then
+ ->array($result)
+ ->isEqualTo([
+ 'ruleA' => $_ruleA
+ ]);
+ }
+
+ public function case_simple_named()
+ {
+ $this
+ ->given(
+ $tokens = ['default' => ['foo' => 'bar']],
+ $rules = [
+ 'ruleA' => 'ruleB()',
+ 'ruleB' => '<foo>'
+ ],
+ $analyzer = new SUT($tokens),
+
+ $_ruleA = new Rule\Concatenation('ruleA', ['ruleB']),
+ $_ruleA->setPPRepresentation($rules['ruleA']),
+ $_ruleB = new Rule\Token('ruleB', 'foo', null, -1, true),
+ $_ruleB->setPPRepresentation($rules['ruleB'])
+ )
+ ->when($result = $analyzer->analyzeRules($rules))
+ ->then
+ ->array($result)
+ ->isEqualTo([
+ 'ruleA' => $_ruleA,
+ 'ruleB' => $_ruleB
+ ]);
+ }
+
+ public function case_simple_kept_unified_token()
+ {
+ return $this->_case_simple_unified_token(true);
+ }
+
+ public function case_simple_skipped_unified_token()
+ {
+ return $this->_case_simple_unified_token(false);
+ }
+
+ protected function _case_simple_unified_token($kept)
+ {
+ $this
+ ->given(
+ $tokens = ['default' => ['foo' => 'bar']],
+ $ruleA = $kept ? '<foo[42]>' : '::foo[42]::',
+ $analyzer = new SUT($tokens),
+
+ $_ruleA = new Rule\Token('ruleA', 'foo', null, 42, $kept),
+ $_ruleA->setPPRepresentation($ruleA)
+ )
+ ->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
+ ->then
+ ->array($result)
+ ->isEqualTo([
+ 'ruleA' => $_ruleA
+ ]);
+ }
+
+ public function case_repetition_zero_or_one()
+ {
+ return $this->_case_repetition('?', 0, 1);
+ }
+
+ public function case_repetition_one_or_more()
+ {
+ return $this->_case_repetition('+', 1, -1);
+ }
+
+ public function case_repetition_zero_or_more()
+ {
+ return $this->_case_repetition('*', 0, -1);
+ }
+
+ public function case_repetition_n_to_m()
+ {
+ return $this->_case_repetition('{7,42}', 7, 42);
+ }
+
+ public function case_repetition_n_or_more()
+ {
+ return $this->_case_repetition('{7,}', 7, -1);
+ }
+
+ public function case_repetition_exactly_n()
+ {
+ return $this->_case_repetition('{7}', 7, 7);
+ }
+
+ protected function _case_repetition($quantifier, $min, $max)
+ {
+ $this
+ ->given(
+ $tokens = ['default' => ['foo' => 'bar']],
+ $ruleA = '<foo>' . $quantifier,
+ $analyzer = new SUT($tokens),
+
+ $_ruleA = new Rule\Repetition('ruleA', $min, $max, 0, null),
+ $_ruleA->setPPRepresentation($ruleA),
+ $_rule0 = new Rule\Token(0, 'foo', null, -1, true)
+ )
+ ->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
+ ->then
+ ->array($result)
+ ->isEqualTo([
+ '0' => $_rule0,
+ 'ruleA' => $_ruleA
+ ]);
+ }
+
+ public function case_concatenation()
+ {
+ $this
+ ->given(
+ $tokens = ['default' => ['foo' => 'bar', 'baz' => 'qux']],
+ $ruleA = '<foo> <baz>',
+ $analyzer = new SUT($tokens),
+
+ $_ruleA = new Rule\Concatenation('ruleA', [0, 1], null),
+ $_ruleA->setPPRepresentation($ruleA),
+ $_rule0 = new Rule\Token(0, 'foo', null, -1, true),
+ $_rule1 = new Rule\Token(1, 'baz', null, -1, true)
+ )
+ ->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
+ ->then
+ ->array($result)
+ ->isEqualTo([
+ 0 => $_rule0,
+ 1 => $_rule1,
+ 'ruleA' => $_ruleA
+ ]);
+ }
+
+ public function case_choice()
+ {
+ $this
+ ->given(
+ $tokens = ['default' => ['foo' => 'bar', 'baz' => 'qux']],
+ $ruleA = '<foo> | <baz>',
+ $analyzer = new SUT($tokens),
+
+ $_ruleA = new Rule\Choice('ruleA', [0, 1], null),
+ $_ruleA->setPPRepresentation($ruleA),
+ $_rule0 = new Rule\Token(0, 'foo', null, -1, true),
+ $_rule1 = new Rule\Token(1, 'baz', null, -1, true)
+ )
+ ->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
+ ->then
+ ->array($result)
+ ->isEqualTo([
+ 0 => $_rule0,
+ 1 => $_rule1,
+ 'ruleA' => $_ruleA
+ ]);
+ }
+
+ public function case_rule()
+ {
+ $this
+ ->given(
+ $tokens = ['default' => ['foo' => 'bar', 'baz' => 'qux']],
+ $ruleA = '<foo> | <baz>',
+ $analyzer = new SUT($tokens),
+
+ $_ruleA = new Rule\Choice('ruleA', [0, 1], null),
+ $_ruleA->setPPRepresentation($ruleA),
+ $_rule0 = new Rule\Token(0, 'foo', null, -1, true),
+ $_rule1 = new Rule\Token(1, 'baz', null, -1, true)
+ )
+ ->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA]))
+ ->then
+ ->array($result)
+ ->isEqualTo([
+ 0 => $_rule0,
+ 1 => $_rule1,
+ 'ruleA' => $_ruleA
+ ]);
+ }
+
+ public function case_full()
+ {
+ $this
+ ->given(
+ $tokens = ['default' => ['foo' => 'bar', 'baz' => 'qux']],
+ $ruleA = '<foo>+ | ruleB() ::foo::',
+ $ruleB = '<baz> ruleA()',
+ $analyzer = new SUT($tokens),
+
+ $_rule0 = new Rule\Token(0, 'foo', null, -1, true),
+ $_rule1 = new Rule\Repetition('1', 1, -1, '0', null),
+ $_rule2 = new Rule\Token(2, 'foo', null, -1, false),
+ $_rule3 = new Rule\Concatenation('3', ['ruleB', 2]),
+ $_ruleA = new Rule\Choice('ruleA', [1, 3], null),
+ $_ruleA->setPPRepresentation($ruleA),
+ $_rule5 = new Rule\Token(5, 'baz', null, -1, true),
+ $_ruleB = new Rule\Concatenation('ruleB', [5, 'ruleA']),
+ $_ruleB->setPPRepresentation($ruleB)
+ )
+ ->when($result = $analyzer->analyzeRules(['ruleA' => $ruleA, 'ruleB' => $ruleB]))
+ ->then
+ ->array($result)
+ ->isEqualTo([
+ 0 => $_rule0,
+ 1 => $_rule1,
+ 2 => $_rule2,
+ 3 => $_rule3,
+ 'ruleA' => $_ruleA,
+ 5 => $_rule5,
+ 'ruleB' => $_ruleB
+ ]);
+ }
+
+ public function case_no_rule()
+ {
+ $this
+ ->given($analyzer = new SUT([]))
+ ->exception(function () use ($analyzer) {
+ $analyzer->analyzeRules([]);
+ })
+ ->isInstanceOf(LUT\Exception::class)
+ ->hasMessage('No rules specified!');
+ }
+
+ public function case_error_while_parsing_rule()
+ {
+ $this
+ ->given(
+ $tokens = ['default' => ['foo' => 'bar']],
+ $ruleA = '<foo>{2,1}',
+ $analyzer = new SUT($tokens)
+ )
+ ->exception(function () use ($analyzer, $ruleA) {
+ $analyzer->analyzeRules(['ruleA' => $ruleA]);
+ })
+ ->isInstanceOf(LUT\Exception::class)
+ ->hasMessage(
+ 'Upper bound 1 must be greater or equal to lower bound ' .
+ '2 in rule ruleA.'
+ );
+ }
+
+ public function case_kept_token_does_not_exist()
+ {
+ $this
+ ->given(
+ $tokens = [],
+ $ruleA = '<foo>',
+ $analyzer = new SUT($tokens)
+ )
+ ->exception(function () use ($analyzer, $ruleA) {
+ $analyzer->analyzeRules(['ruleA' => $ruleA]);
+ })
+ ->isInstanceOf(LUT\Exception::class)
+ ->hasMessage('Token <foo> does not exist in rule ruleA.');
+ }
+
+ public function case_skipped_token_does_not_exist()
+ {
+ $this
+ ->given(
+ $tokens = [],
+ $ruleA = '::foo::',
+ $analyzer = new SUT($tokens)
+ )
+ ->exception(function () use ($analyzer, $ruleA) {
+ $analyzer->analyzeRules(['ruleA' => $ruleA]);
+ })
+ ->isInstanceOf(LUT\Exception::class)
+ ->hasMessage('Token ::foo:: does not exist in rule ruleA.');
+ }
+
+ public function case_rule_does_not_exist()
+ {
+ $this
+ ->given(
+ $tokens = [],
+ $ruleA = 'ruleB()',
+ $analyzer = new SUT($tokens)
+ )
+ ->exception(function () use ($analyzer, $ruleA) {
+ $analyzer->analyzeRules(['ruleA' => $ruleA]);
+ })
+ ->isInstanceOf(LUT\Exception::class)
+ ->hasMessage(
+ 'Cannot call rule ruleB() in rule ruleA because it does not exist.'
+ );
+ }
+}