first commit

tests/functional/TemplateTest/FiltersTest.php

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+<?php
+
+namespace TemplateTest;
+
+global $cfg;
+require_once $cfg['Path']['shared_version'].'admin/functions.admin.php';
+
+class FiltersTest extends TemplateTestCase
+{
+    /**
+     * @dataProvider data_testFormatEditablePrice
+     */
+    public function testFormatEditablePrice($expect, $params)
+    {
+        $this->smarty->loadPlugin('smarty_modifier_format_editable_price');
+
+        $this->assertEquals($expect, call_user_func_array('smarty_modifier_format_editable_price', $params));
+    }
+
+    public function data_testFormatEditablePrice()
+    {
+        return [
+            ['11.12', [toDecimal('11.1234')]],
+            ['11.1234', [toDecimal('11.1234'), 4]],
+            ['11.1234', [toDecimal('11.1234'), -4]],
+            ['11.12', [toDecimal('11.12'), -4]],
+        ];
+    }
+}

tests/functional/TemplateTest/TemplateTestCase.php

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+<?php
+
+namespace TemplateTest;
+
+class TemplateTestCase extends \DatabaseTestCase
+{
+    /** @var \Smarty */
+    protected $smarty;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->smarty = createSmarty(true, true);
+    }
+}