Slugs: Fixed storage bugs, added testing coverage

tests/Entity/SlugTest.php

@@ -0,0 +1,131 @@
+<?php
+
+namespace Tests\Entity;
+
+use Tests\TestCase;
+
+class SlugTest extends TestCase
+{
+    public function test_slug_multi_byte_url_safe()
+    {
+        $book = $this->entities->newBook([
+            'name' => 'информация',
+        ]);
+
+        $this->assertEquals('informaciia', $book->slug);
+
+        $book = $this->entities->newBook([
+            'name' => '¿Qué?',
+        ]);
+
+        $this->assertEquals('que', $book->slug);
+    }
+
+    public function test_slug_format()
+    {
+        $book = $this->entities->newBook([
+            'name' => 'PartA / PartB / PartC',
+        ]);
+
+        $this->assertEquals('parta-partb-partc', $book->slug);
+    }
+
+    public function test_old_page_slugs_redirect_to_new_pages()
+    {
+        $page = $this->entities->page();
+
+        // Need to save twice since revisions are not generated in seeder.
+        $this->asAdmin()->put($page->getUrl(), [
+            'name' => 'super test',
+            'html' => '<p></p>',
+        ]);
+
+        $page->refresh();
+        $pageUrl = $page->getUrl();
+
+        $this->put($pageUrl, [
+            'name' => 'super test page',
+            'html' => '<p></p>',
+        ]);
+
+        $this->get($pageUrl)
+            ->assertRedirect("/books/{$page->book->slug}/page/super-test-page");
+    }
+
+    public function test_slugs_recorded_in_history_on_page_update()
+    {
+        $page = $this->entities->page();
+        $this->asAdmin()->put($page->getUrl(), [
+            'name' => 'new slug',
+            'html' => '<p></p>',
+        ]);
+
+        $oldSlug = $page->slug;
+        $page->refresh();
+        $this->assertNotEquals($oldSlug, $page->slug);
+
+        $this->assertDatabaseHas('slug_history', [
+            'sluggable_id' => $page->id,
+            'sluggable_type' => 'page',
+            'slug' => $oldSlug,
+            'parent_slug' => $page->book->slug,
+        ]);
+    }
+
+    public function test_slugs_recorded_in_history_on_chapter_update()
+    {
+        $chapter = $this->entities->chapter();
+        $this->asAdmin()->put($chapter->getUrl(), [
+            'name' => 'new slug',
+        ]);
+
+        $oldSlug = $chapter->slug;
+        $chapter->refresh();
+        $this->assertNotEquals($oldSlug, $chapter->slug);
+
+        $this->assertDatabaseHas('slug_history', [
+            'sluggable_id' => $chapter->id,
+            'sluggable_type' => 'chapter',
+            'slug' => $oldSlug,
+            'parent_slug' => $chapter->book->slug,
+        ]);
+    }
+
+    public function test_slugs_recorded_in_history_on_book_update()
+    {
+        $book = $this->entities->book();
+        $this->asAdmin()->put($book->getUrl(), [
+            'name' => 'new slug',
+        ]);
+
+        $oldSlug = $book->slug;
+        $book->refresh();
+        $this->assertNotEquals($oldSlug, $book->slug);
+
+        $this->assertDatabaseHas('slug_history', [
+            'sluggable_id' => $book->id,
+            'sluggable_type' => 'book',
+            'slug' => $oldSlug,
+            'parent_slug' => null,
+        ]);
+    }
+
+    public function test_slugs_recorded_in_history_on_shelf_update()
+    {
+        $shelf = $this->entities->shelf();
+        $this->asAdmin()->put($shelf->getUrl(), [
+            'name' => 'new slug',
+        ]);
+
+        $oldSlug = $shelf->slug;
+        $shelf->refresh();
+        $this->assertNotEquals($oldSlug, $shelf->slug);
+
+        $this->assertDatabaseHas('slug_history', [
+            'sluggable_id' => $shelf->id,
+            'sluggable_type' => 'bookshelf',
+            'slug' => $oldSlug,
+            'parent_slug' => null,
+        ]);
+    }
+}