xref: /dokuwiki/_test/tests/Parsing/ParserMode/GfmEmphasisStrongTest.php (revision 8ed75a23932353c18b43f67323808e9a662f532a) 
1<?php
2
3namespace dokuwiki\test\Parsing\ParserMode;
4
5use dokuwiki\Parsing\ModeRegistry;
6use dokuwiki\Parsing\ParserMode\GfmEmphasisStrong;
7
8/**
9 * Tests for the GFM em-wrapping-strong mode (`***text***`).
10 *
11 * Only the exact 3+3 symmetric variant is handled. Longer symmetric runs
12 * (4+4, 6+6, ...) and asymmetric variants fall through to other modes or
13 * stay literal.
14 */
15class GfmEmphasisStrongTest extends ParserTestBase
16{
17    public function setUp(): void
18    {
19        parent::setUp();
20        global $conf;
21        $conf['syntax'] = 'markdown';
22        ModeRegistry::reset();
23    }
24
25    public function tearDown(): void
26    {
27        ModeRegistry::reset();
28        parent::tearDown();
29    }
30
31    function testBasic()
32    {
33        $this->P->addMode('gfm_emphasis_strong', new GfmEmphasisStrong());
34        $this->P->parse('Foo ***Bar*** Baz');
35        $calls = [
36            ['document_start', []],
37            ['p_open', []],
38            ['cdata', ["\nFoo "]],
39            ['emphasis_open', []],
40            ['strong_open', []],
41            ['cdata', ['Bar']],
42            ['strong_close', []],
43            ['emphasis_close', []],
44            ['cdata', [' Baz']],
45            ['p_close', []],
46            ['document_end', []],
47        ];
48        $this->assertCalls($calls, $this->H->calls);
49    }
50
51    function testSingleCharacter()
52    {
53        $this->P->addMode('gfm_emphasis_strong', new GfmEmphasisStrong());
54        $this->P->parse('***a***');
55        $modes = array_column($this->H->calls, 0);
56        $this->assertContains('emphasis_open', $modes);
57        $this->assertContains('strong_open', $modes);
58        $this->assertContains('strong_close', $modes);
59        $this->assertContains('emphasis_close', $modes);
60    }
61
62    function testLeadingWhitespaceDoesNotMatch()
63    {
64        $this->P->addMode('gfm_emphasis_strong', new GfmEmphasisStrong());
65        $this->P->parse('*** foo***');
66        $this->assertNotContains('emphasis_open', array_column($this->H->calls, 0));
67    }
68
69    function testTrailingWhitespaceDoesNotMatch()
70    {
71        $this->P->addMode('gfm_emphasis_strong', new GfmEmphasisStrong());
72        $this->P->parse('***foo ***');
73        $this->assertNotContains('emphasis_open', array_column($this->H->calls, 0));
74    }
75
76    function testDoesNotSpanParagraphBoundary()
77    {
78        $this->P->addMode('gfm_emphasis_strong', new GfmEmphasisStrong());
79        $this->P->parse("***foo\n\nbar***");
80        $this->assertNotContains('emphasis_open', array_column($this->H->calls, 0));
81    }
82
83    function testLongerSymmetricRunDoesNotMatch()
84    {
85        // `****foo****` has 4 asterisks each side. The entry pattern requires
86        // the opener run to be exactly 3 (via `(?<!\*)` and `(?!\*)` on the
87        // closer), so this mode doesn't fire. It falls through to other
88        // modes (which is tested via the full spec suite).
89        $this->P->addMode('gfm_emphasis_strong', new GfmEmphasisStrong());
90        $this->P->parse('****foo****');
91        $this->assertNotContains('emphasis_open', array_column($this->H->calls, 0));
92    }
93
94    function testAsymmetricDoesNotMatch()
95    {
96        // `***foo**` has 3 asterisks on the left but only 2 on the right.
97        // The entry's closing-delimiter lookahead requires exactly 3 `*`s
98        // not followed by another `*`, so there's no valid closer.
99        $this->P->addMode('gfm_emphasis_strong', new GfmEmphasisStrong());
100        $this->P->parse('***foo**');
101        $this->assertNotContains('emphasis_open', array_column($this->H->calls, 0));
102    }
103
104    function testSortValue()
105    {
106        $this->assertSame(65, (new GfmEmphasisStrong())->getSort());
107    }
108}
109