class RecipeValidationTest

class RecipeValidationTest extends KernelTestBase {
    
    /**
     * Data provider for ::testRecipeValidation().
     *
     * @return \Generator
     *   The test cases.
     */
    public static function providerRecipeValidation() : iterable {
        (yield 'name is correct' => [
            'name: Correct name',
            NULL,
        ]);
        (yield 'name missing' => [
            '{}',
            [
                '[name]' => [
                    'This field is missing.',
                ],
            ],
        ]);
        (yield 'name is not a string' => [
            'name: 39',
            [
                '[name]' => [
                    'This value should be of type string.',
                ],
            ],
        ]);
        (yield 'name is null' => [
            'name: ~',
            [
                '[name]' => [
                    'This value should not be blank.',
                ],
            ],
        ]);
        (yield 'name is blank' => [
            "name: ''",
            [
                '[name]' => [
                    'This value should not be blank.',
                ],
            ],
        ]);
        (yield 'name has invalid characters' => [
            <<<YAML
name: |
  My
  Amazing Recipe
YAML
,
            [
                '[name]' => [
                    'Recipe names cannot span multiple lines or contain control characters.',
                ],
            ],
        ]);
        (yield 'description is correct' => [
            <<<YAML
name: Correct description
description: 'This is the correct description of a recipe.'
YAML
,
            NULL,
        ]);
        (yield 'description is not a string' => [
            <<<YAML
name: Bad description
description: [Nope!]
YAML
,
            [
                '[description]' => [
                    'This value should be of type string.',
                ],
            ],
        ]);
        (yield 'description is blank' => [
            <<<YAML
name: Blank description
description: ''
YAML
,
            [
                '[description]' => [
                    'This value should not be blank.',
                ],
            ],
        ]);
        (yield 'description is null' => [
            <<<YAML
name: Null description
description: ~
YAML
,
            [
                '[description]' => [
                    'This value should not be blank.',
                ],
            ],
        ]);
        (yield 'description contains control characters' => [
            <<<YAML
name: Bad description
description: "I have a\\b bad character."
YAML
,
            [
                '[description]' => [
                    'The recipe description cannot contain control characters, only visible characters.',
                ],
            ],
        ]);
        (yield 'type is correct' => [
            <<<YAML
name: Correct type
type: Testing
YAML
,
            NULL,
        ]);
        (yield 'type is not a string' => [
            <<<YAML
name: Bad type
type: 39
YAML
,
            [
                '[type]' => [
                    'This value should be of type string.',
                ],
            ],
        ]);
        (yield 'type is blank' => [
            <<<YAML
name: Blank type
type: ''
YAML
,
            [
                '[type]' => [
                    'This value should not be blank.',
                ],
            ],
        ]);
        (yield 'type is null' => [
            <<<YAML
name: Null type
type: ~
YAML
,
            [
                '[type]' => [
                    'This value should not be blank.',
                ],
            ],
        ]);
        (yield 'type has invalid characters' => [
            <<<YAML
name: Invalid type
type: |
  My
  Amazing Recipe
YAML
,
            [
                '[type]' => [
                    'Recipe type cannot span multiple lines or contain control characters.',
                ],
            ],
        ]);
        // @todo Test valid recipe once https://www.drupal.org/i/3421197 is in.
        (yield 'recipes list is scalar' => [
            <<<YAML
name: Bad recipe list
recipes: 39
YAML
,
            [
                '[recipes]' => [
                    'This value should be of type iterable.',
                ],
            ],
        ]);
        (yield 'recipes list has a blank entry' => [
            <<<YAML
name: Invalid recipe
recipes: ['']
YAML
,
            [
                '[recipes][0]' => [
                    'This value should not be blank.',
                ],
            ],
        ]);
        (yield 'recipes list has a non-existent recipe' => [
            <<<YAML
name: Non-existent recipe
recipes:
  - vaporware
YAML
,
            [
                '[recipes][0]' => [
                    'The vaporware recipe does not exist.',
                ],
            ],
        ]);
        (yield 'recipe depends on itself' => [
            <<<YAML
name: 'Inception'
recipes:
  - no_extensions
YAML
,
            [
                '[recipes][0]' => [
                    'The "no_extensions" recipe cannot depend on itself.',
                ],
            ],
            'no_extensions',
        ]);
        (yield 'extension list is scalar' => [
            <<<YAML
name: Bad extension list
install: 39
YAML
,
            [
                '[install]' => [
                    'This value should be of type iterable.',
                ],
            ],
        ]);
        (yield 'extension list has a blank entry' => [
            <<<YAML
name: Blank extension list
install: ['']
YAML
,
            [
                '[install][0]' => [
                    'This value should not be blank.',
                ],
            ],
        ]);
        (yield 'installing unknown extensions' => [
            <<<YAML
name: 'Unknown extensions'
install:
  - config test
  - drupal:color
YAML
,
            [
                '[install][0]' => [
                    '"config test" is not a known module or theme.',
                ],
                '[install][1]' => [
                    '"color" is not a known module or theme.',
                ],
            ],
        ]);
        (yield 'only installs extension' => [
            <<<YAML
name: 'Only installs extensions'
install:
  - filter
  - drupal:claro
YAML
,
            NULL,
        ]);
        (yield 'config import list is valid' => [
            <<<YAML
name: 'Correct config import list'
config:
  import:
    config_test: '*'
    claro:
      - claro.settings
YAML
,
            NULL,
        ]);
        (yield 'config import list is scalar' => [
            <<<YAML
name: 'Bad config import list'
config:
  import: 23
YAML
,
            [
                '[config][import]' => [
                    'This value should be of type iterable.',
                ],
            ],
        ]);
        (yield 'config import list has a blank entry' => [
            <<<YAML
name: Blank config import list
config:
  import: ['']
YAML
,
            [
                '[config][import][0]' => [
                    'This value should satisfy at least one of the following constraints: [1] This value should be identical to string "*". [2] Each element of this collection should satisfy its own set of constraints.',
                ],
            ],
        ]);
        (yield 'config actions list is valid' => [
            <<<YAML
name: 'Correct config actions list'
install:
  - config_test
config:
  actions:
    config_test.dynamic.recipe:
      createIfNotExists:
        label: 'Created by recipe'
      setProtectedProperty: 'Set by recipe'
YAML
,
            NULL,
        ]);
        (yield 'config actions list is scalar' => [
            <<<YAML
name: 'Bad config actions list'
config:
  actions: 23
YAML
,
            [
                '[config][actions]' => [
                    'This value should be of type iterable.',
                ],
            ],
        ]);
        (yield 'config actions list has a blank entry' => [
            <<<YAML
name: Blank config actions list
config:
  actions: ['']
YAML
,
            [
                '[config][actions][0]' => [
                    'This value should be of type array.',
                    'This value should not be blank.',
                    'Config actions cannot be applied to 0 because the 0 extension is not installed, and is not installed by this recipe or any of the recipes it depends on.',
                ],
            ],
        ]);
    }
    
    /**
     * Tests the validation of recipe.yml file.
     *
     * @param string $recipe
     *   The contents of the `recipe.yml` file.
     * @param string[][]|null $expected_violations
     *   (Optional) The expected validation violations, keyed by property path.
     *   Each value should be an array of error messages expected for that
     *   property.
     * @param string|null $recipe_name
     *   (optional) The name of the directory containing `recipe.yml`, or NULL to
     *   randomly generate one.
     *
     * @dataProvider providerRecipeValidation
     */
    public function testRecipeValidation(string $recipe, ?array $expected_violations, ?string $recipe_name = NULL) : void {
        $dir = 'public://' . ($recipe_name ?? uniqid());
        mkdir($dir);
        file_put_contents($dir . '/recipe.yml', $recipe);
        try {
            Recipe::createFromDirectory($dir);
            // If there was no error, we'd better not have been expecting any.
            $this->assertNull($expected_violations, 'Validation errors were expected, but there were none.');
        } catch (RecipeFileException $e) {
            $this->assertIsArray($expected_violations, 'There were validation errors, but none were expected.');
            $this->assertIsObject($e->violations);
            $actual_violations = [];
            
            /** @var \Symfony\Component\Validator\ConstraintViolationInterface $violation */
            foreach ($e->violations as $violation) {
                $property_path = $violation->getPropertyPath();
                $actual_violations[$property_path][] = (string) $violation->getMessage();
            }
            ksort($actual_violations);
            ksort($expected_violations);
            $this->assertSame($expected_violations, $actual_violations);
        }
    }

}