test: adds test for NoticeLocation VO

tests/unit/ValueObjects/NoticeLocationTest.php

@@ -0,0 +1,106 @@
+<?php
+
+declare(strict_types=1);
+
+
+namespace StellarWP\AdminNotices\Tests\Unit\ValueObjects;
+
+use InvalidArgumentException;
+use StellarWP\AdminNotices\Tests\Support\Helper\TestCase;
+use StellarWP\AdminNotices\ValueObjects\NoticeLocation;
+
+/**
+ * @coversDefaultClass \StellarWP\AdminNotices\ValueObjects\NoticeLocation
+ */
+class NoticeLocationTest extends TestCase
+{
+    /**
+     * @covers ::aboveHeader
+     *
+     * @unreleased
+     */
+    public function testAboveHeader(): void
+    {
+        $location = NoticeLocation::aboveHeader();
+
+        $this->assertEquals('above_header', $location);
+    }
+
+    /**
+     * @covers ::standard
+     *
+     * @unreleased
+     */
+    public function testStandard(): void
+    {
+        $location = NoticeLocation::standard();
+
+        $this->assertEquals('below_header', $location);
+    }
+
+    /**
+     * @covers ::belowHeader
+     *
+     * @unreleased
+     */
+    public function testBelowHeader(): void
+    {
+        $location = NoticeLocation::belowHeader();
+
+        $this->assertEquals('below_header', $location);
+    }
+
+    /**
+     * @covers ::inline
+     *
+     * @unreleased
+     */
+    public function testInline(): void
+    {
+        $location = NoticeLocation::inline();
+
+        $this->assertEquals('inline', $location);
+    }
+
+    /**
+     * @covers ::__toString
+     *
+     * @unreleased
+     */
+    public function testToString(): void
+    {
+        $location = new NoticeLocation('above_header');
+
+        $this->assertSame('above_header', (string)$location);
+    }
+
+    /**
+     * @dataProvider constructorValidationDataProvider
+     * @covers ::__construct
+     */
+    public function testConstructorValidation($value, $shouldPass): void
+    {
+        if ($shouldPass) {
+            $this->assertInstanceOf(NoticeLocation::class, new NoticeLocation($value));
+        } else {
+            $this->expectException(InvalidArgumentException::class);
+            new NoticeLocation($value);
+        }
+    }
+
+    /**
+     * @unreleased
+     *
+     * @return array<string, array{0: string, 1: bool}>
+     */
+    public function constructorValidationDataProvider(): array
+    {
+        return [
+            'above header is valid' => ['above_header', true],
+            'below header is valid' => ['below_header', true],
+            'inline is valid' => ['inline', true],
+            'standard is invalid' => ['standard', false],
+            'empty string is invalid' => ['', false],
+        ];
+    }
+}