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- <?php
- /**
- * @file
- * Tests for field_sql_storage.module.
- *
- * Field_sql_storage.module implements the default back-end storage plugin
- * for the Field Strage API.
- */
- /**
- * Tests field storage.
- */
- class FieldSqlStorageTestCase extends DrupalWebTestCase {
- public static function getInfo() {
- return array(
- 'name' => 'Field SQL storage tests',
- 'description' => "Test field SQL storage module.",
- 'group' => 'Field API'
- );
- }
- function setUp() {
- parent::setUp('field_sql_storage', 'field', 'field_test', 'text');
- $this->field_name = strtolower($this->randomName());
- $this->field = array('field_name' => $this->field_name, 'type' => 'test_field', 'cardinality' => 4);
- $this->field = field_create_field($this->field);
- $this->instance = array(
- 'field_name' => $this->field_name,
- 'entity_type' => 'test_entity',
- 'bundle' => 'test_bundle'
- );
- $this->instance = field_create_instance($this->instance);
- $this->table = _field_sql_storage_tablename($this->field);
- $this->revision_table = _field_sql_storage_revision_tablename($this->field);
- }
- /**
- * Uses the mysql tables and records to verify
- * field_load_revision works correctly.
- */
- function testFieldAttachLoad() {
- $entity_type = 'test_entity';
- $eid = 0;
- $langcode = LANGUAGE_NONE;
- $columns = array('entity_type', 'entity_id', 'revision_id', 'delta', 'language', $this->field_name . '_value');
- // Insert data for four revisions to the field revisions table
- $query = db_insert($this->revision_table)->fields($columns);
- for ($evid = 0; $evid < 4; ++$evid) {
- $values[$evid] = array();
- // Note: we insert one extra value ('<=' instead of '<').
- for ($delta = 0; $delta <= $this->field['cardinality']; $delta++) {
- $value = mt_rand(1, 127);
- $values[$evid][] = $value;
- $query->values(array($entity_type, $eid, $evid, $delta, $langcode, $value));
- }
- }
- $query->execute();
- // Insert data for the "most current revision" into the field table
- $query = db_insert($this->table)->fields($columns);
- foreach ($values[0] as $delta => $value) {
- $query->values(array($entity_type, $eid, 0, $delta, $langcode, $value));
- }
- $query->execute();
- // Load the "most current revision"
- $entity = field_test_create_stub_entity($eid, 0, $this->instance['bundle']);
- field_attach_load($entity_type, array($eid => $entity));
- foreach ($values[0] as $delta => $value) {
- if ($delta < $this->field['cardinality']) {
- $this->assertEqual($entity->{$this->field_name}[$langcode][$delta]['value'], $value, "Value $delta is loaded correctly for current revision");
- }
- else {
- $this->assertFalse(array_key_exists($delta, $entity->{$this->field_name}[$langcode]), "No extraneous value gets loaded for current revision.");
- }
- }
- // Load every revision
- for ($evid = 0; $evid < 4; ++$evid) {
- $entity = field_test_create_stub_entity($eid, $evid, $this->instance['bundle']);
- field_attach_load_revision($entity_type, array($eid => $entity));
- foreach ($values[$evid] as $delta => $value) {
- if ($delta < $this->field['cardinality']) {
- $this->assertEqual($entity->{$this->field_name}[$langcode][$delta]['value'], $value, "Value $delta for revision $evid is loaded correctly");
- }
- else {
- $this->assertFalse(array_key_exists($delta, $entity->{$this->field_name}[$langcode]), "No extraneous value gets loaded for revision $evid.");
- }
- }
- }
- // Add a translation in an unavailable language and verify it is not loaded.
- $eid = $evid = 1;
- $unavailable_language = 'xx';
- $entity = field_test_create_stub_entity($eid, $evid, $this->instance['bundle']);
- $values = array($entity_type, $eid, $evid, 0, $unavailable_language, mt_rand(1, 127));
- db_insert($this->table)->fields($columns)->values($values)->execute();
- db_insert($this->revision_table)->fields($columns)->values($values)->execute();
- field_attach_load($entity_type, array($eid => $entity));
- $this->assertFalse(array_key_exists($unavailable_language, $entity->{$this->field_name}), 'Field translation in an unavailable language ignored');
- }
- /**
- * Reads mysql to verify correct data is
- * written when using insert and update.
- */
- function testFieldAttachInsertAndUpdate() {
- $entity_type = 'test_entity';
- $entity = field_test_create_stub_entity(0, 0, $this->instance['bundle']);
- $langcode = LANGUAGE_NONE;
- // Test insert.
- $values = array();
- // Note: we try to insert one extra value ('<=' instead of '<').
- // TODO : test empty values filtering and "compression" (store consecutive deltas).
- for ($delta = 0; $delta <= $this->field['cardinality']; $delta++) {
- $values[$delta]['value'] = mt_rand(1, 127);
- }
- $entity->{$this->field_name}[$langcode] = $rev_values[0] = $values;
- field_attach_insert($entity_type, $entity);
- $rows = db_select($this->table, 't')->fields('t')->execute()->fetchAllAssoc('delta', PDO::FETCH_ASSOC);
- foreach ($values as $delta => $value) {
- if ($delta < $this->field['cardinality']) {
- $this->assertEqual($rows[$delta][$this->field_name . '_value'], $value['value'], format_string("Value %delta is inserted correctly", array('%delta' => $delta)));
- }
- else {
- $this->assertFalse(array_key_exists($delta, $rows), "No extraneous value gets inserted.");
- }
- }
- // Test update.
- $entity = field_test_create_stub_entity(0, 1, $this->instance['bundle']);
- $values = array();
- // Note: we try to update one extra value ('<=' instead of '<').
- for ($delta = 0; $delta <= $this->field['cardinality']; $delta++) {
- $values[$delta]['value'] = mt_rand(1, 127);
- }
- $entity->{$this->field_name}[$langcode] = $rev_values[1] = $values;
- field_attach_update($entity_type, $entity);
- $rows = db_select($this->table, 't')->fields('t')->execute()->fetchAllAssoc('delta', PDO::FETCH_ASSOC);
- foreach ($values as $delta => $value) {
- if ($delta < $this->field['cardinality']) {
- $this->assertEqual($rows[$delta][$this->field_name . '_value'], $value['value'], format_string("Value %delta is updated correctly", array('%delta' => $delta)));
- }
- else {
- $this->assertFalse(array_key_exists($delta, $rows), "No extraneous value gets updated.");
- }
- }
- // Check that data for both revisions are in the revision table.
- // We make sure each value is stored correctly, then unset it.
- // When an entire revision's values are unset (remembering that we
- // put one extra value in $values per revision), unset the entire
- // revision. Then, if $rev_values is empty at the end, all
- // revision data was found.
- $results = db_select($this->revision_table, 't')->fields('t')->execute();
- foreach ($results as $row) {
- $this->assertEqual($row->{$this->field_name . '_value'}, $rev_values[$row->revision_id][$row->delta]['value'], "Value {$row->delta} for revision {$row->revision_id} stored correctly");
- unset($rev_values[$row->revision_id][$row->delta]);
- if (count($rev_values[$row->revision_id]) == 1) {
- unset($rev_values[$row->revision_id]);
- }
- }
- $this->assertTrue(empty($rev_values), "All values for all revisions are stored in revision table {$this->revision_table}");
- // Check that update leaves the field data untouched if
- // $entity->{$field_name} is absent.
- unset($entity->{$this->field_name});
- field_attach_update($entity_type, $entity);
- $rows = db_select($this->table, 't')->fields('t')->execute()->fetchAllAssoc('delta', PDO::FETCH_ASSOC);
- foreach ($values as $delta => $value) {
- if ($delta < $this->field['cardinality']) {
- $this->assertEqual($rows[$delta][$this->field_name . '_value'], $value['value'], format_string("Update with no field_name entry leaves value %delta untouched", array('%delta' => $delta)));
- }
- }
- // Check that update with an empty $entity->$field_name empties the field.
- $entity->{$this->field_name} = NULL;
- field_attach_update($entity_type, $entity);
- $rows = db_select($this->table, 't')->fields('t')->execute()->fetchAllAssoc('delta', PDO::FETCH_ASSOC);
- $this->assertEqual(count($rows), 0, "Update with an empty field_name entry empties the field.");
- }
- /**
- * Tests insert and update with missing or NULL fields.
- */
- function testFieldAttachSaveMissingData() {
- $entity_type = 'test_entity';
- $entity = field_test_create_stub_entity(0, 0, $this->instance['bundle']);
- $langcode = LANGUAGE_NONE;
- // Insert: Field is missing
- field_attach_insert($entity_type, $entity);
- $count = db_select($this->table)
- ->countQuery()
- ->execute()
- ->fetchField();
- $this->assertEqual($count, 0, 'Missing field results in no inserts');
- // Insert: Field is NULL
- $entity->{$this->field_name} = NULL;
- field_attach_insert($entity_type, $entity);
- $count = db_select($this->table)
- ->countQuery()
- ->execute()
- ->fetchField();
- $this->assertEqual($count, 0, 'NULL field results in no inserts');
- // Add some real data
- $entity->{$this->field_name}[$langcode] = array(0 => array('value' => 1));
- field_attach_insert($entity_type, $entity);
- $count = db_select($this->table)
- ->countQuery()
- ->execute()
- ->fetchField();
- $this->assertEqual($count, 1, 'Field data saved');
- // Update: Field is missing. Data should survive.
- unset($entity->{$this->field_name});
- field_attach_update($entity_type, $entity);
- $count = db_select($this->table)
- ->countQuery()
- ->execute()
- ->fetchField();
- $this->assertEqual($count, 1, 'Missing field leaves data in table');
- // Update: Field is NULL. Data should be wiped.
- $entity->{$this->field_name} = NULL;
- field_attach_update($entity_type, $entity);
- $count = db_select($this->table)
- ->countQuery()
- ->execute()
- ->fetchField();
- $this->assertEqual($count, 0, 'NULL field leaves no data in table');
- // Add a translation in an unavailable language.
- $unavailable_language = 'xx';
- db_insert($this->table)
- ->fields(array('entity_type', 'bundle', 'deleted', 'entity_id', 'revision_id', 'delta', 'language'))
- ->values(array($entity_type, $this->instance['bundle'], 0, 0, 0, 0, $unavailable_language))
- ->execute();
- $count = db_select($this->table)
- ->countQuery()
- ->execute()
- ->fetchField();
- $this->assertEqual($count, 1, 'Field translation in an unavailable language saved.');
- // Again add some real data.
- $entity->{$this->field_name}[$langcode] = array(0 => array('value' => 1));
- field_attach_insert($entity_type, $entity);
- $count = db_select($this->table)
- ->countQuery()
- ->execute()
- ->fetchField();
- $this->assertEqual($count, 2, 'Field data saved.');
- // Update: Field translation is missing but field is not empty. Translation
- // data should survive.
- $entity->{$this->field_name}[$unavailable_language] = array(mt_rand(1, 127));
- unset($entity->{$this->field_name}[$langcode]);
- field_attach_update($entity_type, $entity);
- $count = db_select($this->table)
- ->countQuery()
- ->execute()
- ->fetchField();
- $this->assertEqual($count, 2, 'Missing field translation leaves data in table.');
- // Update: Field translation is NULL but field is not empty. Translation
- // data should be wiped.
- $entity->{$this->field_name}[$langcode] = NULL;
- field_attach_update($entity_type, $entity);
- $count = db_select($this->table)
- ->countQuery()
- ->execute()
- ->fetchField();
- $this->assertEqual($count, 1, 'NULL field translation is wiped.');
- }
- /**
- * Test trying to update a field with data.
- */
- function testUpdateFieldSchemaWithData() {
- // Create a decimal 5.2 field and add some data.
- $field = array('field_name' => 'decimal52', 'type' => 'number_decimal', 'settings' => array('precision' => 5, 'scale' => 2));
- $field = field_create_field($field);
- $instance = array('field_name' => 'decimal52', 'entity_type' => 'test_entity', 'bundle' => 'test_bundle');
- $instance = field_create_instance($instance);
- $entity = field_test_create_stub_entity(0, 0, $instance['bundle']);
- $entity->decimal52[LANGUAGE_NONE][0]['value'] = '1.235';
- field_attach_insert('test_entity', $entity);
- // Attempt to update the field in a way that would work without data.
- $field['settings']['scale'] = 3;
- try {
- field_update_field($field);
- $this->fail(t('Cannot update field schema with data.'));
- }
- catch (FieldException $e) {
- $this->pass(t('Cannot update field schema with data.'));
- }
- }
- /**
- * Test that failure to create fields is handled gracefully.
- */
- function testFieldUpdateFailure() {
- // Create a text field.
- $field = array('field_name' => 'test_text', 'type' => 'text', 'settings' => array('max_length' => 255));
- $field = field_create_field($field);
- // Attempt to update the field in a way that would break the storage.
- $prior_field = $field;
- $field['settings']['max_length'] = -1;
- try {
- field_update_field($field);
- $this->fail(t('Update succeeded.'));
- }
- catch (Exception $e) {
- $this->pass(t('Update properly failed.'));
- }
- // Ensure that the field tables are still there.
- foreach (_field_sql_storage_schema($prior_field) as $table_name => $table_info) {
- $this->assertTrue(db_table_exists($table_name), format_string('Table %table exists.', array('%table' => $table_name)));
- }
- }
- /**
- * Test adding and removing indexes while data is present.
- */
- function testFieldUpdateIndexesWithData() {
- // Create a decimal field.
- $field_name = 'testfield';
- $field = array('field_name' => $field_name, 'type' => 'text');
- $field = field_create_field($field);
- $instance = array('field_name' => $field_name, 'entity_type' => 'test_entity', 'bundle' => 'test_bundle');
- $instance = field_create_instance($instance);
- $tables = array(_field_sql_storage_tablename($field), _field_sql_storage_revision_tablename($field));
- // Verify the indexes we will create do not exist yet.
- foreach ($tables as $table) {
- $this->assertFalse(Database::getConnection()->schema()->indexExists($table, 'value'), format_string("No index named value exists in %table", array('%table' => $table)));
- $this->assertFalse(Database::getConnection()->schema()->indexExists($table, 'value_format'), format_string("No index named value_format exists in %table", array('%table' => $table)));
- }
- // Add data so the table cannot be dropped.
- $entity = field_test_create_stub_entity(0, 0, $instance['bundle']);
- $entity->{$field_name}[LANGUAGE_NONE][0]['value'] = 'field data';
- field_attach_insert('test_entity', $entity);
- // Add an index
- $field = array('field_name' => $field_name, 'indexes' => array('value' => array(array('value', 255))));
- field_update_field($field);
- foreach ($tables as $table) {
- $this->assertTrue(Database::getConnection()->schema()->indexExists($table, "{$field_name}_value"), format_string("Index on value created in %table", array('%table' => $table)));
- }
- // Add a different index, removing the existing custom one.
- $field = array('field_name' => $field_name, 'indexes' => array('value_format' => array(array('value', 127), array('format', 127))));
- field_update_field($field);
- foreach ($tables as $table) {
- $this->assertTrue(Database::getConnection()->schema()->indexExists($table, "{$field_name}_value_format"), format_string("Index on value_format created in %table", array('%table' => $table)));
- $this->assertFalse(Database::getConnection()->schema()->indexExists($table, "{$field_name}_value"), format_string("Index on value removed in %table", array('%table' => $table)));
- }
- // Verify that the tables were not dropped.
- $entity = field_test_create_stub_entity(0, 0, $instance['bundle']);
- field_attach_load('test_entity', array(0 => $entity));
- $this->assertEqual($entity->{$field_name}[LANGUAGE_NONE][0]['value'], 'field data', "Index changes performed without dropping the tables");
- }
- /**
- * Test the storage details.
- */
- function testFieldStorageDetails() {
- $current = _field_sql_storage_tablename($this->field);
- $revision = _field_sql_storage_revision_tablename($this->field);
- // Retrieve the field and instance with field_info so the storage details are attached.
- $field = field_info_field($this->field['field_name']);
- $instance = field_info_instance($this->instance['entity_type'], $this->instance['field_name'], $this->instance['bundle']);
- // The storage details are indexed by a storage engine type.
- $this->assertTrue(array_key_exists('sql', $field['storage']['details']), 'The storage type is SQL.');
- // The SQL details are indexed by table name.
- $details = $field['storage']['details']['sql'];
- $this->assertTrue(array_key_exists($current, $details[FIELD_LOAD_CURRENT]), 'Table name is available in the instance array.');
- $this->assertTrue(array_key_exists($revision, $details[FIELD_LOAD_REVISION]), 'Revision table name is available in the instance array.');
- // Test current and revision storage details together because the columns
- // are the same.
- foreach ((array) $this->field['columns'] as $column_name => $attributes) {
- $storage_column_name = _field_sql_storage_columnname($this->field['field_name'], $column_name);
- $this->assertEqual($details[FIELD_LOAD_CURRENT][$current][$column_name], $storage_column_name, format_string('Column name %value matches the definition in %bin.', array('%value' => $column_name, '%bin' => $current)));
- $this->assertEqual($details[FIELD_LOAD_REVISION][$revision][$column_name], $storage_column_name, format_string('Column name %value matches the definition in %bin.', array('%value' => $column_name, '%bin' => $revision)));
- }
- }
- /**
- * Test foreign key support.
- */
- function testFieldSqlStorageForeignKeys() {
- // Create a 'shape' field, with a configurable foreign key (see
- // field_test_field_schema()).
- $field_name = 'testfield';
- $foreign_key_name = 'shape';
- $field = array('field_name' => $field_name, 'type' => 'shape', 'settings' => array('foreign_key_name' => $foreign_key_name));
- field_create_field($field);
- // Retrieve the field definition and check that the foreign key is in place.
- $field = field_info_field($field_name);
- $this->assertEqual($field['foreign keys'][$foreign_key_name]['table'], $foreign_key_name, 'Foreign key table name preserved through CRUD');
- $this->assertEqual($field['foreign keys'][$foreign_key_name]['columns'][$foreign_key_name], 'id', 'Foreign key column name preserved through CRUD');
- // Update the field settings, it should update the foreign key definition
- // too.
- $foreign_key_name = 'color';
- $field['settings']['foreign_key_name'] = $foreign_key_name;
- field_update_field($field);
- // Retrieve the field definition and check that the foreign key is in place.
- $field = field_info_field($field_name);
- $this->assertEqual($field['foreign keys'][$foreign_key_name]['table'], $foreign_key_name, 'Foreign key table name modified after update');
- $this->assertEqual($field['foreign keys'][$foreign_key_name]['columns'][$foreign_key_name], 'id', 'Foreign key column name modified after update');
- // Now grab the SQL schema and verify that too.
- $schema = drupal_get_schema(_field_sql_storage_tablename($field), TRUE);
- $this->assertEqual(count($schema['foreign keys']), 1, 'There is 1 foreign key in the schema');
- $foreign_key = reset($schema['foreign keys']);
- $foreign_key_column = _field_sql_storage_columnname($field['field_name'], $foreign_key_name);
- $this->assertEqual($foreign_key['table'], $foreign_key_name, 'Foreign key table name preserved in the schema');
- $this->assertEqual($foreign_key['columns'][$foreign_key_column], 'id', 'Foreign key column name preserved in the schema');
- }
- /**
- * Test handling multiple conditions on one column of a field.
- *
- * Tests both the result and the complexity of the query.
- */
- function testFieldSqlStorageMultipleConditionsSameColumn() {
- $entity = field_test_create_stub_entity(NULL, NULL);
- $entity->{$this->field_name}[LANGUAGE_NONE][0] = array('value' => 1);
- field_test_entity_save($entity);
- $entity = field_test_create_stub_entity(NULL, NULL);
- $entity->{$this->field_name}[LANGUAGE_NONE][0] = array('value' => 2);
- field_test_entity_save($entity);
- $entity = field_test_create_stub_entity(NULL, NULL);
- $entity->{$this->field_name}[LANGUAGE_NONE][0] = array('value' => 3);
- field_test_entity_save($entity);
- $query = new EntityFieldQuery();
- // This tag causes field_test_query_store_global_test_query_alter() to be
- // invoked so that the query can be tested.
- $query->addTag('store_global_test_query');
- $query->entityCondition('entity_type', 'test_entity');
- $query->entityCondition('bundle', 'test_bundle');
- $query->fieldCondition($this->field_name, 'value', 1, '<>', 0, LANGUAGE_NONE);
- $query->fieldCondition($this->field_name, 'value', 2, '<>', 0, LANGUAGE_NONE);
- $result = field_sql_storage_field_storage_query($query);
- // Test the results.
- $this->assertEqual(1, count($result), format_string('One result should be returned, got @count', array('@count' => count($result))));
- // Test the complexity of the query.
- $query = $GLOBALS['test_query'];
- $this->assertNotNull($query, 'Precondition: the query should be available');
- $tables = $query->getTables();
- $this->assertEqual(1, count($tables), 'The query contains just one table.');
- // Clean up.
- unset($GLOBALS['test_query']);
- }
- /**
- * Test handling multiple conditions on multiple columns of one field.
- *
- * Tests both the result and the complexity of the query.
- */
- function testFieldSqlStorageMultipleConditionsDifferentColumns() {
- // Create the multi-column shape field
- $field_name = strtolower($this->randomName());
- $field = array('field_name' => $field_name, 'type' => 'shape', 'cardinality' => 4);
- $field = field_create_field($field);
- $instance = array(
- 'field_name' => $field_name,
- 'entity_type' => 'test_entity',
- 'bundle' => 'test_bundle'
- );
- $instance = field_create_instance($instance);
- $entity = field_test_create_stub_entity(NULL, NULL);
- $entity->{$field_name}[LANGUAGE_NONE][0] = array('shape' => 'A', 'color' => 'X');
- field_test_entity_save($entity);
- $entity = field_test_create_stub_entity(NULL, NULL);
- $entity->{$field_name}[LANGUAGE_NONE][0] = array('shape' => 'B', 'color' => 'X');
- field_test_entity_save($entity);
- $entity = field_test_create_stub_entity(NULL, NULL);
- $entity->{$field_name}[LANGUAGE_NONE][0] = array('shape' => 'A', 'color' => 'Y');
- field_test_entity_save($entity);
- $query = new EntityFieldQuery();
- // This tag causes field_test_query_store_global_test_query_alter() to be
- // invoked so that the query can be tested.
- $query->addTag('store_global_test_query');
- $query->entityCondition('entity_type', 'test_entity');
- $query->entityCondition('bundle', 'test_bundle');
- $query->fieldCondition($field_name, 'shape', 'B', '=', 'something', LANGUAGE_NONE);
- $query->fieldCondition($field_name, 'color', 'X', '=', 'something', LANGUAGE_NONE);
- $result = field_sql_storage_field_storage_query($query);
- // Test the results.
- $this->assertEqual(1, count($result), format_string('One result should be returned, got @count', array('@count' => count($result))));
- // Test the complexity of the query.
- $query = $GLOBALS['test_query'];
- $this->assertNotNull($query, 'Precondition: the query should be available');
- $tables = $query->getTables();
- $this->assertEqual(1, count($tables), 'The query contains just one table.');
- // Clean up.
- unset($GLOBALS['test_query']);
- }
- /**
- * Test handling multiple conditions on multiple columns of one field for multiple languages.
- *
- * Tests both the result and the complexity of the query.
- */
- function testFieldSqlStorageMultipleConditionsDifferentColumnsMultipleLanguages() {
- field_test_entity_info_translatable('test_entity', TRUE);
- // Create the multi-column shape field
- $field_name = strtolower($this->randomName());
- $field = array('field_name' => $field_name, 'type' => 'shape', 'cardinality' => 4, 'translatable' => TRUE);
- $field = field_create_field($field);
- $instance = array(
- 'field_name' => $field_name,
- 'entity_type' => 'test_entity',
- 'bundle' => 'test_bundle',
- 'settings' => array(
- // Prevent warning from field_test_field_load().
- 'test_hook_field_load' => FALSE,
- ),
- );
- $instance = field_create_instance($instance);
- $entity = field_test_create_stub_entity(NULL, NULL);
- $entity->{$field_name}[LANGUAGE_NONE][0] = array('shape' => 'A', 'color' => 'X');
- $entity->{$field_name}['en'][0] = array('shape' => 'B', 'color' => 'Y');
- field_test_entity_save($entity);
- $entity = field_test_entity_test_load($entity->ftid);
- $query = new EntityFieldQuery();
- // This tag causes field_test_query_store_global_test_query_alter() to be
- // invoked so that the query can be tested.
- $query->addTag('store_global_test_query');
- $query->entityCondition('entity_type', 'test_entity');
- $query->entityCondition('bundle', 'test_bundle');
- $query->fieldCondition($field_name, 'color', 'X', '=', NULL, LANGUAGE_NONE);
- $query->fieldCondition($field_name, 'shape', 'B', '=', NULL, 'en');
- $result = field_sql_storage_field_storage_query($query);
- // Test the results.
- $this->assertEqual(1, count($result), format_string('One result should be returned, got @count', array('@count' => count($result))));
- // Test the complexity of the query.
- $query = $GLOBALS['test_query'];
- $this->assertNotNull($query, 'Precondition: the query should be available');
- $tables = $query->getTables();
- $this->assertEqual(2, count($tables), 'The query contains two tables.');
- // Clean up.
- unset($GLOBALS['test_query']);
- }
- }
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