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‎README.md‎

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# Template Engine Documentation
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# MintyPHP Template
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## Overview
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‎tests/ControlStructuresTest.php‎

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<?php
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namespace MintyPHP\Template\Tests;
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use MintyPHP\Template\Template;
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use PHPUnit\Framework\TestCase;
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class ControlStructuresTest extends TestCase
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{
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private static Template $template;
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public static function setUpBeforeClass(): void
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{
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self::$template = new Template();
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}
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public function testRenderIfWithNestedPath(): void
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{
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$this->assertEquals("hello m is 3", self::$template->render('hello {% if n.m|eq(3) %}m is 3{% endif %}', ['n' => ['m' => 3]], ['eq' => fn($a, $b) => $a == $b]));
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}
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public function testRenderIfElse(): void
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{
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$this->assertEquals("hello not n", self::$template->render('hello {% if n %}n{% else %}not n{% endif %}', ['n' => false]));
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}
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public function testRenderForLoopWithValues(): void
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{
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$this->assertEquals("test 1 2 3", self::$template->render('test{% for i in counts %} {{ i }}{% endfor %}', ['counts' => [1, 2, 3]]));
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}
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public function testRenderForLoopWithKeysAndValues(): void
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{
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$this->assertEquals("test a=1 b=2 c=3", self::$template->render('test{% for k, v in counts %} {{ k }}={{ v }}{% endfor %}', ['counts' => ['a' => 1, 'b' => 2, 'c' => 3]]));
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}
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public function testRenderNestedForLoops(): void
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{
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$this->assertEquals("test (-1,-1) (-1,1) (1,-1) (1,1)", self::$template->render('test{% for x in steps %}{% for y in steps %} ({{ x }},{{ y }}){% endfor %}{% endfor %}', ['steps' => [-1, 1]]));
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}
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public function testRenderForLoopWithIfElseIf(): void
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{
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$this->assertEquals("hello one two three", self::$template->render('hello{% for i in counts %} {% if i|eq(1) %}one{% elseif i|eq(2) %}two{% else %}three{% endif %}{% endfor %}', ['counts' => [1, 2, 3]], ['eq' => fn($a, $b) => $a == $b]));
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}
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// Multiline template tests inspired by Jinja
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public function testMultilineForLoopSimple(): void
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{
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$template = "<ul>\n{% for item in items %}\n <li>{{ item }}</li>\n{% endfor %}\n</ul>";
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$expected = "<ul>\n <li>apple</li>\n <li>banana</li>\n <li>cherry</li>\n</ul>";
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$this->assertEquals($expected, self::$template->render($template, ['items' => ['apple', 'banana', 'cherry']]));
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}
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public function testMultilineForLoopWithIndentation(): void
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{
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$template = "<div>\n <ul>\n {% for user in users %}\n <li>{{ user }}</li>\n {% endfor %}\n </ul>\n</div>";
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$expected = "<div>\n <ul>\n <li>Alice</li>\n <li>Bob</li>\n </ul>\n</div>";
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$this->assertEquals($expected, self::$template->render($template, ['users' => ['Alice', 'Bob']]));
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}
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public function testMultilineIfWithWhitespace(): void
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{
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$template = "<div>\n {% if active %}\n <span>Active</span>\n {% endif %}\n</div>";
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$expected = "<div>\n <span>Active</span>\n</div>";
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$this->assertEquals($expected, self::$template->render($template, ['active' => true]));
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}
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public function testMultilineIfElseWithWhitespace(): void
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{
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$template = "<div>\n {% if active %}\n <span>Active</span>\n {% else %}\n <span>Inactive</span>\n {% endif %}\n</div>";
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$expected = "<div>\n <span>Inactive</span>\n</div>";
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$this->assertEquals($expected, self::$template->render($template, ['active' => false]));
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}
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public function testMultilineNestedForLoops(): void
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{
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$template = "<table>\n{% for row in rows %}\n <tr>\n {% for cell in row %}\n <td>{{ cell }}</td>\n {% endfor %}\n </tr>\n{% endfor %}\n</table>";
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$expected = "<table>\n <tr>\n <td>1</td>\n <td>2</td>\n </tr>\n <tr>\n <td>3</td>\n <td>4</td>\n </tr>\n</table>";
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$this->assertEquals($expected, self::$template->render($template, ['rows' => [[1, 2], [3, 4]]]));
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}
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public function testMultilineComplexHtmlStructure(): void
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{
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$template = "<!DOCTYPE html>\n<html>\n<head>\n <title>{{ title }}</title>\n</head>\n<body>\n <ul id=\"navigation\">\n {% for item in navigation %}\n <li><a href=\"{{ item.href }}\">{{ item.caption }}</a></li>\n {% endfor %}\n </ul>\n <h1>{{ heading }}</h1>\n</body>\n</html>";
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$data = [
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'title' => 'My Page',
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'heading' => 'Welcome',
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'navigation' => [
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['href' => '/home', 'caption' => 'Home'],
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['href' => '/about', 'caption' => 'About']
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]
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];
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$expected = "<!DOCTYPE html>\n<html>\n<head>\n <title>My Page</title>\n</head>\n<body>\n <ul id=\"navigation\">\n <li><a href=\"/home\">Home</a></li>\n <li><a href=\"/about\">About</a></li>\n </ul>\n <h1>Welcome</h1>\n</body>\n</html>";
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$this->assertEquals($expected, self::$template->render($template, $data));
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}
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public function testWhitespacePreservationWithLeadingSpaces(): void
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{
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$template = " Leading spaces\n{{ text }}\n Trailing spaces ";
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$expected = " Leading spaces\nHello\n Trailing spaces ";
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$this->assertEquals($expected, self::$template->render($template, ['text' => 'Hello']));
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}
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public function testWhitespacePreservationWithTabs(): void
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{
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$template = "\t\tTabbed content\n{{ text }}\n\t\tMore tabs";
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$expected = "\t\tTabbed content\nWorld\n\t\tMore tabs";
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$this->assertEquals($expected, self::$template->render($template, ['text' => 'World']));
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}
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public function testWhitespacePreservationEmptyLines(): void
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{
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$template = "Line 1\n\n{{ text }}\n\nLine 4";
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$expected = "Line 1\n\nTest\n\nLine 4";
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$this->assertEquals($expected, self::$template->render($template, ['text' => 'Test']));
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}
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public function testMultilineForLoopWithEmptyList(): void
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{
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$template = "<ul>\n{% for item in items %}\n <li>{{ item }}</li>\n{% endfor %}\n</ul>";
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$expected = "<ul>\n</ul>";
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$this->assertEquals($expected, self::$template->render($template, ['items' => []]));
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}
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public function testMultilineIfWithFalseCondition(): void
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{
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$template = "<div>\n Content before\n {% if show %}\n This should not appear\n {% endif %}\n Content after\n</div>";
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$expected = "<div>\n Content before\n Content after\n</div>";
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$this->assertEquals($expected, self::$template->render($template, ['show' => false]));
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}
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public function testMultilineTextPreservation(): void
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{
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$template = "First line\nSecond line\nThird line with {{ var }}\nFourth line";
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$expected = "First line\nSecond line\nThird line with value\nFourth line";
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$this->assertEquals($expected, self::$template->render($template, ['var' => 'value']));
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}
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public function testMultilineWithMixedContentTypes(): void
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{
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$template = "<p>\n Text content\n {{ text }}\n {% if show %}\n <strong>{{ emphasis }}</strong>\n {% endif %}\n More text\n</p>";
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$expected = "<p>\n Text content\n Hello\n <strong>Important</strong>\n More text\n</p>";
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$this->assertEquals($expected, self::$template->render($template, ['text' => 'Hello', 'show' => true, 'emphasis' => 'Important']));
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}
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public function testMultilineHtmlListWithData(): void
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{
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$template = "<h1>Members</h1>\n<ul>\n{% for user in users %}\n <li>{{ user.username }}</li>\n{% endfor %}\n</ul>";
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$expected = "<h1>Members</h1>\n<ul>\n <li>alice</li>\n <li>bob</li>\n <li>charlie</li>\n</ul>";
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$data = [
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'users' => [
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['username' => 'alice'],
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['username' => 'bob'],
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['username' => 'charlie']
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]
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];
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$this->assertEquals($expected, self::$template->render($template, $data));
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}
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public function testMultilineNestedIfStatements(): void
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{
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$template = "<div>\n{% if outer %}\n <div class=\"outer\">\n {% if inner %}\n <div class=\"inner\">Content</div>\n {% endif %}\n </div>\n{% endif %}\n</div>";
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$expected = "<div>\n <div class=\"outer\">\n <div class=\"inner\">Content</div>\n </div>\n</div>";
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$this->assertEquals($expected, self::$template->render($template, ['outer' => true, 'inner' => true]));
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}
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public function testMultilineWhitespaceOnlyBetweenTags(): void
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{
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$template = "<div> \n {{ text }} \n </div>";
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$expected = "<div> \n Value \n </div>";
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$this->assertEquals($expected, self::$template->render($template, ['text' => 'Value']));
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}
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public function testMultilineCommentLikeStructure(): void
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{
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// Test Jinja-style {# #} comment syntax - comments should be completely removed
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$template = "<div>\n {# This is a comment #}\n {{ content }}\n {# Another comment #}\n</div>";
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$expected = "<div>\n Data\n</div>";
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$this->assertEquals($expected, self::$template->render($template, ['content' => 'Data']));
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}
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public function testMultilineForLoopWithComplexData(): void
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{
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$template = "<dl>\n{% for item in items %}\n <dt>{{ item.key }}</dt>\n <dd>{{ item.value }}</dd>\n{% endfor %}\n</dl>";
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$expected = "<dl>\n <dt>Name</dt>\n <dd>John</dd>\n <dt>Age</dt>\n <dd>30</dd>\n</dl>";
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$data = [
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'items' => [
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['key' => 'Name', 'value' => 'John'],
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['key' => 'Age', 'value' => '30']
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]
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];
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$this->assertEquals($expected, self::$template->render($template, $data));
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}
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public function testMultilineTemplateWithNoWhitespace(): void
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{
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$template = "<ul>{% for i in items %}<li>{{ i }}</li>{% endfor %}</ul>";
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$expected = "<ul><li>A</li><li>B</li></ul>";
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$this->assertEquals($expected, self::$template->render($template, ['items' => ['A', 'B']]));
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}
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public function testMultilineIndentationVariations(): void
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{
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$template = "<div>\n Two spaces\n Four spaces\n\tOne tab\n{{ text }}\n</div>";
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$expected = "<div>\n Two spaces\n Four spaces\n\tOne tab\nValue\n</div>";
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$this->assertEquals($expected, self::$template->render($template, ['text' => 'Value']));
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}
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}

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