feat(IsText, IsMediumText): 增加 IsText 和 IsMediumText 校验规则

lib/IsMediumText.php

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+<?php
+/**
+ * Wei Framework
+ *
+ * @copyright   Copyright (c) 2008-2020 Twin Huang
+ * @license     http://opensource.org/licenses/mit-license.php MIT License
+ */
+
+namespace Wei;
+
+/**
+ * Check if the input is a string of 16777215(16Mb-1) bytes or less
+ *
+ * @author      Twin Huang <twinhuang@qq.com>
+ */
+class IsMediumText extends IsString
+{
+    /**
+     * @var int
+     */
+    protected $maxLength = 16777215;
+}

lib/IsText.php

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+<?php
+/**
+ * Wei Framework
+ *
+ * @copyright   Copyright (c) 2008-2020 Twin Huang
+ * @license     http://opensource.org/licenses/mit-license.php MIT License
+ */
+
+namespace Wei;
+
+use Wei\IsChar;
+use Wei\IsString;
+
+/**
+ * Check if the input is a string of 65535(64Kb-1) bytes or less
+ *
+ * @author      Twin Huang <twinhuang@qq.com>
+ */
+class IsText extends IsString
+{
+    /**
+     * @var int
+     */
+    protected $maxLength = 65535;
+}

tests/unit/IsMediumTextTest.php

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+<?php
+
+namespace WeiTest;
+
+/**
+ * @internal
+ */
+final class IsMediumTextTest extends BaseValidatorTestCase
+{
+    /**
+     * @dataProvider providerForMediumTextVal
+     * @param mixed $input
+     */
+    public function testStringVal($input)
+    {
+        $this->assertTrue($this->isMediumText($input));
+    }
+
+    /**
+     * @dataProvider providerForNotMediumTextVal
+     * @param mixed $input
+     */
+    public function testNotStringVal($input)
+    {
+        $this->assertFalse($this->isMediumText($input));
+    }
+
+    public function providerForMediumTextVal()
+    {
+        return [
+            [''],
+            ['123'],
+            [str_repeat('1', 16777215)],
+            [str_repeat('我', 16777215 / 3)],
+            [str_repeat('🙂', 16777215 / 4)],
+        ];
+    }
+
+    public function providerForNotMediumTextVal()
+    {
+        return [
+            [str_repeat('1', 16777215 + 1)],
+            [str_repeat('我', 16777215 / 3) . '1'],
+            [str_repeat('🙂', 16777215 / 4) . '1234'],
+        ];
+    }
+}

tests/unit/IsTextTest.php

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+<?php
+
+namespace WeiTest;
+
+/**
+ * @internal
+ */
+final class IsTextTest extends BaseValidatorTestCase
+{
+    /**
+     * @dataProvider providerForTextVal
+     * @param mixed $input
+     */
+    public function testStringVal($input)
+    {
+        $this->assertTrue($this->isText($input));
+    }
+
+    /**
+     * @dataProvider providerForNotTextVal
+     * @param mixed $input
+     */
+    public function testNotStringVal($input)
+    {
+        $this->assertFalse($this->isText($input));
+    }
+
+    public function providerForTextVal()
+    {
+        return [
+            [''],
+            ['123'],
+            [str_repeat('1', 65535)],
+            [str_repeat('我', 65535 / 3)],
+            [str_repeat('🙂', 65535 / 4)],
+        ];
+    }
+
+    public function providerForNotTextVal()
+    {
+        return [
+            [str_repeat('1', 65535) . '1'],
+            [str_repeat('我', 65535 / 3) . '1'],
+            [str_repeat('🙂', 65535 / 4) . '1234'],
+        ];
+    }
+}