public function testCascadeAndNoAction()
{
$foreignKey = new ForeignKey('foreign_key_id', 'foreign_table', 'id', 'Cascade', 'No Action');
$this->assertEquals('foreign_key_id', $foreignKey->getName());
$this->assertCount(1, $foreignKey->getColumns());
$this->assertEquals(['foreign_key_id'], $foreignKey->getColumns());
$this->assertEquals('foreign_table', $foreignKey->getReferencedTable());
$this->assertCount(1, $foreignKey->getReferencedColumns());
$this->assertEquals(['id'], $foreignKey->getReferencedColumns());
$this->assertEquals('CASCADE', $foreignKey->getOnDelete());
$this->assertEquals('NO ACTION', $foreignKey->getOnUpdate());
}
protected function createForeignKey(ForeignKey $foreignKey, Table $table)
{
$columns = [];
foreach ($foreignKey->getColumns() as $column) {
$columns[] = $this->escapeString($column);
}
$referencedColumns = [];
foreach ($foreignKey->getReferencedColumns() as $column) {
$referencedColumns[] = $this->escapeString($column);
}
$constraint = 'CONSTRAINT ' . $this->escapeString($table->getName() . '_' . $foreignKey->getName());
$constraint .= ' FOREIGN KEY (' . implode(',', $columns) . ')';
$constraint .= ' REFERENCES ' . $this->escapeString($foreignKey->getReferencedTable()) . ' (' . implode(',', $referencedColumns) . ')';
if ($foreignKey->getOnDelete() != ForeignKey::DEFAULT_ACTION) {
$constraint .= ' ON DELETE ' . $foreignKey->getOnDelete();
}
if ($foreignKey->getOnUpdate() != ForeignKey::DEFAULT_ACTION) {
$constraint .= ' ON UPDATE ' . $foreignKey->getOnUpdate();
}
return $constraint;
}