diff --git a/tests/unit/CorePostTermsTest.php b/tests/unit/CorePostTermsTest.php
new file mode 100644
index 00000000..95957a63
--- /dev/null
+++ b/tests/unit/CorePostTermsTest.php
@@ -0,0 +1,99 @@
+<?php
+
+namespace WPGraphQL\ContentBlocks\Unit;
+
+final class CorePostTermsTest extends PluginTestCase {
+
+	/**
+	 * The ID of the post created for the test.
+	 *
+	 * @var int
+	 */
+	public $post_id;
+
+	public function setUp(): void {
+		parent::setUp();
+
+		$this->post_id = wp_insert_post(
+			[
+				'post_title'   => 'Test Post',
+				'post_content' => '',
+				'post_status'  => 'publish',
+			]
+		);
+
+		\WPGraphQL::clear_schema();
+	}
+
+	public function tearDown(): void {
+		wp_delete_post($this->post_id, true);
+		\WPGraphQL::clear_schema();
+
+		parent::tearDown();
+	}
+
+	/**
+	 * Get the GraphQL query for the CorePostTerms block.
+	 */
+	public function query(): string {
+		return '
+			query TestPostTerms($id: ID!) {
+				post(id: $id, idType: DATABASE_ID) {
+					databaseId
+					editorBlocks {
+						__typename
+						... on CorePostTerms {
+							prefix
+							suffix
+							term
+							terms {
+								__typename
+								nodes {
+									id
+									name
+								}
+							}
+						}
+					}
+				}
+			}
+		';
+	}
+
+	/**
+	 * Test that the CorePostTerms block retrieves attributes and terms correctly.
+	 */
+	public function test_retrieve_core_post_terms(): void {
+		$block_content = '<!-- wp:post-terms {"prefix":"Before","suffix":"After","term":"category"} /-->';
+
+		wp_update_post(
+			[
+				'ID'           => $this->post_id,
+				'post_content' => $block_content,
+			]
+		);
+
+		$variables = [ 'id' => $this->post_id ];
+		$query = $this->query();
+		$actual = graphql(compact('query', 'variables'));
+
+		$node = $actual['data']['post'];
+
+		$this->assertEquals($this->post_id, $node['databaseId']);
+		$this->assertArrayHasKey('editorBlocks', $node);
+		$this->assertCount(1, $node['editorBlocks']);
+
+		$block = $node['editorBlocks'][0];
+
+		$this->assertEquals('CorePostTerms', $block['__typename']);
+		$this->assertEquals('Before', $block['prefix']);
+		$this->assertEquals('After', $block['suffix']);
+		$this->assertEquals('category', $block['term']);
+
+		$this->assertArrayHasKey('terms', $block);
+		$this->assertArrayHasKey('nodes', $block['terms']);
+		$this->assertIsArray($block['terms']['nodes']);
+
+		$this->assertEquals('CorePostTermsToTermNodeConnection', $block['terms']['__typename']);
+	}
+}