class VariableTest

class VariableTest extends MigrateSqlSourceTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'migrate_drupal',
    ];
    
    /**
     * {@inheritdoc}
     */
    public static function providerSource() {
        $tests = [];
        // The source data.
        $tests[0]['source_data']['variable'] = [
            [
                'name' => 'foo',
                'value' => 'i:1;',
            ],
            [
                'name' => 'bar',
                'value' => 'b:0;',
            ],
        ];
        // The expected results.
        $tests[0]['expected_data'] = [
            [
                'id' => 'foo',
                'foo' => 1,
                'bar' => FALSE,
            ],
        ];
        // The expected count.
        $tests[0]['expected_count'] = 1;
        // The source plugin configuration.
        $tests[0]['configuration']['variables'] = [
            'foo',
            'bar',
        ];
        // Tests getting one of two variables.
        $tests[1]['source_data']['variable'] = [
            [
                'name' => 'foo',
                'value' => 'i:1;',
            ],
            [
                'name' => 'bar',
                'value' => 'b:0;',
            ],
        ];
        $tests[1]['expected_data'] = [
            [
                'id' => 'foo',
                'foo' => 1,
            ],
        ];
        $tests[1]['expected_count'] = 1;
        $tests[1]['configuration']['variables'] = [
            'foo',
            'bar0',
        ];
        // Tests requesting mis-spelled variable names. If none of the required
        // variables are available, this plugin still returns a single row.
        $tests[2]['source_data']['variable'] = [
            [
                'name' => 'foo',
                'value' => 'i:1;',
            ],
            [
                'name' => 'bar',
                'value' => 'b:0;',
            ],
        ];
        $tests[2]['expected_data'] = [
            [
                'id' => 'foo0',
            ],
        ];
        $tests[2]['expected_count'] = 1;
        $tests[2]['configuration']['variables'] = [
            'foo0',
            'bar0',
        ];
        $source_data = [
            'variable' => [
                [
                    'name' => 'foo',
                    'value' => 'i:1;',
                ],
                [
                    'name' => 'bar',
                    'value' => 'b:0;',
                ],
                [
                    'name' => 'baz',
                    'value' => 's:6:"foobar";',
                ],
            ],
        ];
        // Test cases with only 'variables_no_row_if_missing' configuration.
        $variables_no_row_if_missing_tests = [
            'Two required variables, all of them are available' => [
                'source_data' => $source_data,
                'expected_data' => [
                    [
                        'id' => 'foo',
                        'foo' => 1,
                        'bar' => FALSE,
                    ],
                ],
                'expected_count' => 1,
                'configuration' => [
                    'variables_no_row_if_missing' => [
                        'foo',
                        'bar',
                    ],
                ],
            ],
            'Two required variables, only one is available' => [
                'source_data' => $source_data,
                'expected_data' => [],
                'expected_count' => 0,
                'configuration' => [
                    'variables_no_row_if_missing' => [
                        'foo',
                        'bar0',
                    ],
                ],
            ],
            'One required and available variable' => [
                'source_data' => $source_data,
                'expected_data' => [
                    [
                        'id' => 'baz',
                        'baz' => 'foobar',
                    ],
                ],
                'expected_count' => 1,
                'configuration' => [
                    'variables_no_row_if_missing' => [
                        'baz',
                    ],
                ],
            ],
            'One required, but missing variable' => [
                'source_data' => $source_data,
                'expected_data' => [],
                'expected_count' => 0,
                'configuration' => [
                    'variables_no_row_if_missing' => [
                        'bar0',
                    ],
                ],
            ],
            // Test cases with both 'variables' and 'variables_no_row_if_missing'
            // configuration.
'One optional and two required variables, all of them are available' => [
                'source_data' => $source_data,
                'expected_data' => [
                    [
                        'id' => 'foo',
                        'foo' => 1,
                        'bar' => FALSE,
                        'baz' => 'foobar',
                    ],
                ],
                'expected_count' => 1,
                'configuration' => [
                    'variables' => [
                        'foo',
                    ],
                    'variables_no_row_if_missing' => [
                        'bar',
                        'baz',
                    ],
                ],
            ],
            'One optional and two required variables, only one required is available' => [
                'source_data' => $source_data,
                'expected_data' => [],
                'expected_count' => 0,
                'configuration' => [
                    'variables' => [
                        'foo',
                    ],
                    'variables_no_row_if_missing' => [
                        'bar',
                        'foobar',
                    ],
                ],
            ],
            'Two optional and one required and available variable, every optional is missing' => [
                'source_data' => $source_data,
                'expected_data' => [
                    [
                        'id' => 'qux',
                        'bar' => FALSE,
                    ],
                ],
                'expected_count' => 1,
                'configuration' => [
                    'variables' => [
                        'qux',
                        'waldo',
                    ],
                    'variables_no_row_if_missing' => [
                        'bar',
                    ],
                ],
            ],
            'Two available optional and a required, but missing variable' => [
                'source_data' => $source_data,
                'expected_data' => [],
                'expected_count' => 0,
                'configuration' => [
                    'variables' => [
                        'baz',
                        'foo',
                    ],
                    'variables_no_row_if_missing' => [
                        'foo_bar_baz',
                    ],
                ],
            ],
        ];
        return $tests + $variables_no_row_if_missing_tests;
    }

}