function JsonEncoderTest::testStructuredDataSmokeTest

Simple structured data smoke test.

This verifies that the encoder works for nested arrays and that invalid UTF-8 inside the structure is still handled correctly.

File

core/modules/serialization/tests/src/Unit/Encoder/JsonEncoderTest.php, line 90

Class

JsonEncoderTest

Tests Drupal\serialization\Encoder\JsonEncoder.

Namespace

Code

public function testStructuredDataSmokeTest() : void {
  $data = [
    'title' => 'Example',
    'body' => "Content with invalid UTF-8: \x80",
    'metadata' => [
      'tags' => [
        'one',
        'two',
      ],
    ],
  ];
  $encoded = $this->encoder
    ->encode($data, 'json');
  $this->assertJson($encoded, 'Structured data should produce valid JSON.');
  $this->assertStringContainsString('\\ufffd', $encoded, 'Invalid UTF-8 in nested data should be replaced.');
  $decoded = json_decode($encoded, TRUE);
  $this->assertSame(JSON_ERROR_NONE, json_last_error(), 'Structured data should be decodable.');
  $this->assertIsArray($decoded, 'Decoded data should be an array.');
  $this->assertArrayHasKey('title', $decoded, 'Decoded data should have title key.');
  $this->assertArrayHasKey('metadata', $decoded, 'Decoded data should have metadata key.');
}