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https://github.com/tag1consulting/d7_to_d10_migration.git
synced 2024-11-12 19:33:27 +00:00
440 lines
15 KiB
Text
440 lines
15 KiB
Text
<?php
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/**
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* @file
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* Tests for the Database Schema API.
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*/
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/**
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* Unit tests for the Schema API.
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*/
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class SchemaTestCase extends DrupalWebTestCase {
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/**
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* A global counter for table and field creation.
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*/
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var $counter;
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public static function getInfo() {
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return array(
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'name' => 'Schema API',
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'description' => 'Tests table creation and modification via the schema API.',
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'group' => 'Database',
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);
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}
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/**
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*
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*/
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function testSchema() {
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// Try creating a table.
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$table_specification = array(
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'description' => 'Schema table description.',
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'fields' => array(
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'id' => array(
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'type' => 'int',
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'default' => NULL,
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),
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'test_field' => array(
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'type' => 'int',
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'not null' => TRUE,
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'description' => 'Schema column description.',
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),
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),
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);
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db_create_table('test_table', $table_specification);
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// Assert that the table exists.
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$this->assertTrue(db_table_exists('test_table'), 'The table exists.');
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// Assert that the table comment has been set.
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$this->checkSchemaComment($table_specification['description'], 'test_table');
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// Assert that the column comment has been set.
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$this->checkSchemaComment($table_specification['fields']['test_field']['description'], 'test_table', 'test_field');
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// An insert without a value for the column 'test_table' should fail.
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$this->assertFalse($this->tryInsert(), 'Insert without a default failed.');
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// Add a default value to the column.
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db_field_set_default('test_table', 'test_field', 0);
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// The insert should now succeed.
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$this->assertTrue($this->tryInsert(), 'Insert with a default succeeded.');
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// Remove the default.
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db_field_set_no_default('test_table', 'test_field');
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// The insert should fail again.
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$this->assertFalse($this->tryInsert(), 'Insert without a default failed.');
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// Test for fake index and test for the boolean result of indexExists().
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$index_exists = Database::getConnection()->schema()->indexExists('test_table', 'test_field');
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$this->assertIdentical($index_exists, FALSE, 'Fake index does not exists');
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// Add index.
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db_add_index('test_table', 'test_field', array('test_field'));
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// Test for created index and test for the boolean result of indexExists().
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$index_exists = Database::getConnection()->schema()->indexExists('test_table', 'test_field');
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$this->assertIdentical($index_exists, TRUE, 'Index created.');
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// Rename the table.
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db_rename_table('test_table', 'test_table2');
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// Index should be renamed.
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$index_exists = Database::getConnection()->schema()->indexExists('test_table2', 'test_field');
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$this->assertTrue($index_exists, 'Index was renamed.');
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// We need the default so that we can insert after the rename.
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db_field_set_default('test_table2', 'test_field', 0);
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$this->assertFalse($this->tryInsert(), 'Insert into the old table failed.');
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$this->assertTrue($this->tryInsert('test_table2'), 'Insert into the new table succeeded.');
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// We should have successfully inserted exactly two rows.
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$count = db_query('SELECT COUNT(*) FROM {test_table2}')->fetchField();
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$this->assertEqual($count, 2, 'Two fields were successfully inserted.');
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// Try to drop the table.
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db_drop_table('test_table2');
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$this->assertFalse(db_table_exists('test_table2'), 'The dropped table does not exist.');
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// Recreate the table.
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db_create_table('test_table', $table_specification);
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db_field_set_default('test_table', 'test_field', 0);
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db_add_field('test_table', 'test_serial', array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'description' => 'Added column description.'));
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// Assert that the column comment has been set.
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$this->checkSchemaComment('Added column description.', 'test_table', 'test_serial');
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// Change the new field to a serial column.
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db_change_field('test_table', 'test_serial', 'test_serial', array('type' => 'serial', 'not null' => TRUE, 'description' => 'Changed column description.'), array('primary key' => array('test_serial')));
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// Assert that the column comment has been set.
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$this->checkSchemaComment('Changed column description.', 'test_table', 'test_serial');
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$this->assertTrue($this->tryInsert(), 'Insert with a serial succeeded.');
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$max1 = db_query('SELECT MAX(test_serial) FROM {test_table}')->fetchField();
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$this->assertTrue($this->tryInsert(), 'Insert with a serial succeeded.');
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$max2 = db_query('SELECT MAX(test_serial) FROM {test_table}')->fetchField();
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$this->assertTrue($max2 > $max1, 'The serial is monotone.');
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$count = db_query('SELECT COUNT(*) FROM {test_table}')->fetchField();
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$this->assertEqual($count, 2, 'There were two rows.');
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// Use database specific data type and ensure that table is created.
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$table_specification = array(
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'description' => 'Schema table description.',
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'fields' => array(
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'timestamp' => array(
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'mysql_type' => 'timestamp',
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'pgsql_type' => 'timestamp',
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'sqlite_type' => 'datetime',
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'not null' => FALSE,
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'default' => NULL,
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),
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),
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);
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try {
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db_create_table('test_timestamp', $table_specification);
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}
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catch (Exception $e) {}
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$this->assertTrue(db_table_exists('test_timestamp'), 'Table with database specific datatype was created.');
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}
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function tryInsert($table = 'test_table') {
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try {
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db_insert($table)
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->fields(array('id' => mt_rand(10, 20)))
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->execute();
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return TRUE;
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}
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catch (Exception $e) {
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return FALSE;
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}
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}
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/**
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* Checks that a table or column comment matches a given description.
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*
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* @param $description
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* The asserted description.
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* @param $table
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* The table to test.
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* @param $column
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* Optional column to test.
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*/
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function checkSchemaComment($description, $table, $column = NULL) {
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if (method_exists(Database::getConnection()->schema(), 'getComment')) {
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$comment = Database::getConnection()->schema()->getComment($table, $column);
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$this->assertEqual($comment, $description, 'The comment matches the schema description.');
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}
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}
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/**
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* Tests creating unsigned columns and data integrity thereof.
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*/
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function testUnsignedColumns() {
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// First create the table with just a serial column.
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$table_name = 'unsigned_table';
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$table_spec = array(
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'fields' => array('serial_column' => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE)),
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'primary key' => array('serial_column'),
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);
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$ret = array();
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db_create_table($table_name, $table_spec);
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// Now set up columns for the other types.
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$types = array('int', 'float', 'numeric');
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foreach ($types as $type) {
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$column_spec = array('type' => $type, 'unsigned'=> TRUE);
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if ($type == 'numeric') {
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$column_spec += array('precision' => 10, 'scale' => 0);
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}
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$column_name = $type . '_column';
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$table_spec['fields'][$column_name] = $column_spec;
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db_add_field($table_name, $column_name, $column_spec);
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}
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// Finally, check each column and try to insert invalid values into them.
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foreach ($table_spec['fields'] as $column_name => $column_spec) {
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$this->assertTrue(db_field_exists($table_name, $column_name), format_string('Unsigned @type column was created.', array('@type' => $column_spec['type'])));
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$this->assertFalse($this->tryUnsignedInsert($table_name, $column_name), format_string('Unsigned @type column rejected a negative value.', array('@type' => $column_spec['type'])));
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}
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}
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/**
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* Tries to insert a negative value into columns defined as unsigned.
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*
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* @param $table_name
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* The table to insert
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* @param $column_name
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* The column to insert
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* @return
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* TRUE if the insert succeeded, FALSE otherwise
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*/
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function tryUnsignedInsert($table_name, $column_name) {
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try {
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db_insert($table_name)
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->fields(array($column_name => -1))
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->execute();
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return TRUE;
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}
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catch (Exception $e) {
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return FALSE;
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}
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}
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/**
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* Test adding columns to an existing table.
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*/
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function testSchemaAddField() {
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// Test varchar types.
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foreach (array(1, 32, 128, 256, 512) as $length) {
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$base_field_spec = array(
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'type' => 'varchar',
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'length' => $length,
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);
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$variations = array(
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array('not null' => FALSE),
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array('not null' => FALSE, 'default' => '7'),
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array('not null' => TRUE, 'initial' => 'd'),
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array('not null' => TRUE, 'initial' => 'd', 'default' => '7'),
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);
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foreach ($variations as $variation) {
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$field_spec = $variation + $base_field_spec;
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$this->assertFieldAdditionRemoval($field_spec);
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}
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}
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// Test int and float types.
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foreach (array('int', 'float') as $type) {
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foreach (array('tiny', 'small', 'medium', 'normal', 'big') as $size) {
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$base_field_spec = array(
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'type' => $type,
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'size' => $size,
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);
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$variations = array(
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array('not null' => FALSE),
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array('not null' => FALSE, 'default' => 7),
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array('not null' => TRUE, 'initial' => 1),
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array('not null' => TRUE, 'initial' => 1, 'default' => 7),
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);
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foreach ($variations as $variation) {
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$field_spec = $variation + $base_field_spec;
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$this->assertFieldAdditionRemoval($field_spec);
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}
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}
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}
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// Test numeric types.
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foreach (array(1, 5, 10, 40, 65) as $precision) {
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foreach (array(0, 2, 10, 30) as $scale) {
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if ($precision <= $scale) {
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// Precision must be smaller then scale.
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continue;
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}
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$base_field_spec = array(
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'type' => 'numeric',
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'scale' => $scale,
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'precision' => $precision,
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);
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$variations = array(
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array('not null' => FALSE),
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array('not null' => FALSE, 'default' => 7),
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array('not null' => TRUE, 'initial' => 1),
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array('not null' => TRUE, 'initial' => 1, 'default' => 7),
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);
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foreach ($variations as $variation) {
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$field_spec = $variation + $base_field_spec;
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$this->assertFieldAdditionRemoval($field_spec);
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}
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}
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}
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}
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/**
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* Assert that a given field can be added and removed from a table.
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*
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* The addition test covers both defining a field of a given specification
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* when initially creating at table and extending an existing table.
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*
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* @param $field_spec
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* The schema specification of the field.
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*/
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protected function assertFieldAdditionRemoval($field_spec) {
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// Try creating the field on a new table.
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$table_name = 'test_table_' . ($this->counter++);
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$table_spec = array(
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'fields' => array(
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'serial_column' => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
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'test_field' => $field_spec,
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),
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'primary key' => array('serial_column'),
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);
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db_create_table($table_name, $table_spec);
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$this->pass(format_string('Table %table created.', array('%table' => $table_name)));
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// Check the characteristics of the field.
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$this->assertFieldCharacteristics($table_name, 'test_field', $field_spec);
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// Clean-up.
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db_drop_table($table_name);
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// Try adding a field to an existing table.
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$table_name = 'test_table_' . ($this->counter++);
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$table_spec = array(
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'fields' => array(
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'serial_column' => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
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),
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'primary key' => array('serial_column'),
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);
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db_create_table($table_name, $table_spec);
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$this->pass(format_string('Table %table created.', array('%table' => $table_name)));
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// Insert some rows to the table to test the handling of initial values.
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for ($i = 0; $i < 3; $i++) {
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db_insert($table_name)
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->useDefaults(array('serial_column'))
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->execute();
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}
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db_add_field($table_name, 'test_field', $field_spec);
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$this->pass(format_string('Column %column created.', array('%column' => 'test_field')));
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// Check the characteristics of the field.
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$this->assertFieldCharacteristics($table_name, 'test_field', $field_spec);
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// Clean-up.
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db_drop_field($table_name, 'test_field');
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db_drop_table($table_name);
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}
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/**
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* Assert that a newly added field has the correct characteristics.
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*/
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protected function assertFieldCharacteristics($table_name, $field_name, $field_spec) {
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// Check that the initial value has been registered.
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if (isset($field_spec['initial'])) {
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// There should be no row with a value different then $field_spec['initial'].
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$count = db_select($table_name)
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->fields($table_name, array('serial_column'))
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->condition($field_name, $field_spec['initial'], '<>')
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->countQuery()
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->execute()
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->fetchField();
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$this->assertEqual($count, 0, 'Initial values filled out.');
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}
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// Check that the default value has been registered.
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if (isset($field_spec['default'])) {
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// Try inserting a row, and check the resulting value of the new column.
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$id = db_insert($table_name)
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->useDefaults(array('serial_column'))
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->execute();
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$field_value = db_select($table_name)
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->fields($table_name, array($field_name))
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->condition('serial_column', $id)
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->execute()
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->fetchField();
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$this->assertEqual($field_value, $field_spec['default'], 'Default value registered.');
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}
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db_drop_field($table_name, $field_name);
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}
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/**
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* Tests the findTables() method.
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*/
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public function testFindTables() {
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// We will be testing with three tables, two of them using the default
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// prefix and the third one with an individually specified prefix.
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// Set up a new connection with different connection info.
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$connection_info = Database::getConnectionInfo();
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// Add per-table prefix to the second table.
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$new_connection_info = $connection_info['default'];
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$new_connection_info['prefix']['test_2_table'] = $new_connection_info['prefix']['default'] . '_shared_';
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Database::addConnectionInfo('test', 'default', $new_connection_info);
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Database::setActiveConnection('test');
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// Create the tables.
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$table_specification = array(
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'description' => 'Test table.',
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'fields' => array(
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'id' => array(
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'type' => 'int',
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'default' => NULL,
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),
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),
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);
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Database::getConnection()->schema()->createTable('test_1_table', $table_specification);
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Database::getConnection()->schema()->createTable('test_2_table', $table_specification);
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Database::getConnection()->schema()->createTable('the_third_table', $table_specification);
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// Check the "all tables" syntax.
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$tables = Database::getConnection()->schema()->findTablesD8('%');
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sort($tables);
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$expected = array(
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'test_1_table',
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// This table uses a per-table prefix, yet it is returned as un-prefixed.
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'test_2_table',
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'the_third_table',
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);
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$this->assertTrue(!array_diff($expected, $tables), 'All tables were found.');
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// Check the restrictive syntax.
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$tables = Database::getConnection()->schema()->findTablesD8('test_%');
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sort($tables);
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$expected = array(
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'test_1_table',
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'test_2_table',
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);
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$this->assertEqual($tables, $expected, 'Two tables were found.');
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// Go back to the initial connection.
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Database::setActiveConnection('default');
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}
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}
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