Add test case when no gtag script is present at page

ampproject · Oct 26, 2022 · 9f945a3 · 9f945a3
1 parent 6bec836
commit 9f945a3
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/tests/php/test-class-amp-gtag-script-sanitizer.php b/tests/php/test-class-amp-gtag-script-sanitizer.php
@@ -130,4 +130,24 @@ public function test_sanitize( $enable_sandboxing, $sandboxing_level, $expect_px
 			$this->assertFalse( ValidationExemption::is_px_verified_for_node( $other_inline_event ) );
 		}
 	}
+
+	/**
+	 * Test sanitize when no gtag script is present.
+	 *
+	 * @covers ::sanitize
+	 */
+	public function test_sanitize_when_no_gtag_script() {
+		$markup = '<html><head><script>console.log("Hello world!");</script></head><body><p>Hello world!</p></body></html>';
+
+		$dom = new Document();
+		$dom->loadHTML( $markup );
+
+		$sanitizer = new AMP_GTag_Script_Sanitizer( $dom );
+		$sanitizer->sanitize();
+
+		$gtag_scripts = $dom->xpath->query( self::SCRIPT_XPATH );
+
+		$this->assertCount( 0, $gtag_scripts );
+		$this->assertSame( 0, $gtag_scripts->length );
+	}
 }