Add unit test suite: 54 tests across models, core, and providers

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/unit/Models/EditorialReviewTest.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * Tests for PRAutoBlogger_Editorial_Review value object.
+ *
+ * @package PRAutoBlogger\Tests\Models
+ */
+
+namespace PRAutoBlogger\Tests\Models;
+
+use PRAutoBlogger\Tests\BaseTestCase;
+
+class EditorialReviewTest extends BaseTestCase {
+
+    protected function setUp(): void {
+        parent::setUp();
+        require_once PRAB_PLUGIN_DIR . 'includes/models/class-prab-editorial-review.php';
+    }
+
+    /**
+     * Test construction with approval.
+     */
+    public function test_approved_review(): void {
+        $review = new \PRAutoBlogger_Editorial_Review(
+            true,
+            'Content meets quality standards.',
+            8.5,
+            [ 'Good structure', 'Clear language' ],
+            []
+        );
+
+        $this->assertTrue( $review->is_approved() );
+        $this->assertSame( 'Content meets quality standards.', $review->get_feedback() );
+        $this->assertSame( 8.5, $review->get_quality_score() );
+        $this->assertSame( [ 'Good structure', 'Clear language' ], $review->get_strengths() );
+        $this->assertEmpty( $review->get_issues() );
+    }
+
+    /**
+     * Test construction with rejection and issues.
+     */
+    public function test_rejected_review_with_issues(): void {
+        $review = new \PRAutoBlogger_Editorial_Review(
+            false,
+            'Content needs improvement.',
+            4.0,
+            [],
+            [ 'Too short', 'Missing citations', 'Unclear conclusion' ]
+        );
+
+        $this->assertFalse( $review->is_approved() );
+        $this->assertCount( 3, $review->get_issues() );
+        $this->assertSame( 4.0, $review->get_quality_score() );
+    }
+
+    /**
+     * Test to_array completeness.
+     */
+    public function test_to_array_returns_all_fields(): void {
+        $review = new \PRAutoBlogger_Editorial_Review(
+            true, 'OK', 7.0, [ 'Good' ], []
+        );
+
+        $array = $review->to_array();
+        $this->assertArrayHasKey( 'approved', $array );
+        $this->assertArrayHasKey( 'feedback', $array );
+        $this->assertArrayHasKey( 'quality_score', $array );
+        $this->assertArrayHasKey( 'strengths', $array );
+        $this->assertArrayHasKey( 'issues', $array );
+    }
+}