1 files changed, 65 insertions, 0 deletions
diff --git a/tests/MetaboxTest.php b/tests/MetaboxTest.php
new file mode 100644
index 0000000..d5a27a3
--- /dev/null
+++ b/tests/MetaboxTest.php
@@ -0,0 +1,65 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+use PostTypes\Metabox;
+use PostTypes\MetaboxField;
+
+class MetaboxTest extends TestCase
+{
+    /**
+     * @var Metabox
+     */
+    public $metabox;
+
+    /**
+     * @var MetaboxField
+     */
+    public $field;
+
+    /**
+     * @inheritDoc
+     */
+    protected function setUp(): void
+    {
+        $this->metabox = new Metabox('Test Metabox');
+        $this->field = new MetaboxField('Test Field');
+    }
+
+    /**
+     * @test
+     */
+    public function hasGroupKeyOnInstantiation()
+    {
+        $this->assertEquals('group_test_metabox', $this->metabox->key);
+    }
+
+    /**
+     * @test
+     */
+    public function assignsPostTypeOnce()
+    {
+        $this->metabox->posttype(['post', 'page']);
+
+        $expectedPostTypes = [
+            'post' => 'post',
+            'page' => 'page',
+        ];
+
+        $this->assertEquals($expectedPostTypes, $this->metabox->posttypes);
+
+        $this->metabox->posttype('post');
+
+        $this->assertEquals($expectedPostTypes, $this->metabox->posttypes);
+    }
+
+    /**
+     * @test
+     */
+    public function modifiesAndHoldsPassedField()
+    {
+        $this->metabox->field($this->field);
+
+        $this->assertEquals($this->field->parent, $this->metabox->key);
+        $this->assertEquals($this->metabox->fields[$this->field->key], $this->field);
+    }
+}