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Showing content from https://www.yiiframework.com/doc/api/2.0/yii-test-initdbfixture below:

InitDbFixture, yii\test\InitDbFixture | API Documentation for Yii 2.0

Class yii\test\InitDbFixture

InitDbFixture represents the initial state needed for DB-related tests.

Its main task is to toggle integrity check of the database during data loading. This is needed by other DB-related fixtures (e.g. yii\test\ActiveFixture) so that they can populate data into the database without triggering integrity check errors.

Besides, DbFixture also attempts to load an initialization script if it exists.

You should normally use InitDbFixture to prepare a skeleton test database. Other DB fixtures will then add specific tables and data to this database.

For more details and usage information on InitDbFixture, see the guide article on fixtures.

Property Details

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The init script file that should be executed when loading this fixture. This should be either a file path or path alias. Note that if the file does not exist, no error will be raised.

List of database schemas that the test tables may reside in. Defaults to [''], meaning using the default schema (an empty string refers to the default schema). This property is mainly used when turning on and off integrity checks so that fixture data can be populated into the database without causing problem.

Method Details

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Defined in: yii\base\Component::__call()

Calls the named method which is not a class method.

This method will check if any attached behavior has the named method and will execute it if available.

Do not call this method directly as it is a PHP magic method that will be implicitly called when an unknown method is being invoked.

Source code

                public function __call($name, $params)
{
    $this->ensureBehaviors();
    foreach ($this->_behaviors as $object) {
        if ($object->hasMethod($name)) {
            return call_user_func_array([$object, $name], $params);
        }
    }
    throw new UnknownMethodException('Calling unknown method: ' . get_class($this) . "::$name()");
}

Defined in: yii\base\Component::__clone()

This method is called after the object is created by cloning an existing one.

It removes all behaviors because they are attached to the old object.

Source code

                public function __clone()
{
    $this->_events = [];
    $this->_eventWildcards = [];
    $this->_behaviors = null;
}

Defined in: yii\base\BaseObject::__construct()

Constructor.

The default implementation does two things:

Initializes the object with the given configuration $config.
Call init().

If this method is overridden in a child class, it is recommended that

the last parameter of the constructor is a configuration array, like $config here.
call the parent implementation at the end of the constructor.

public void __construct ( $config = [] ) $config array

Name-value pairs that will be used to initialize the object properties

Source code

                public function __construct($config = [])
{
    if (!empty($config)) {
        Yii::configure($this, $config);
    }
    $this->init();
}

Defined in: yii\base\Component::__get()

Returns the value of a component property.

This method will check in the following order and act accordingly:

a property defined by a getter: return the getter result
a property of a behavior: return the behavior property value

Do not call this method directly as it is a PHP magic method that will be implicitly called when executing $value = $component->property;.

See also __get().

Source code

                public function __set($name, $value)
{
    $setter = 'set' . $name;
    if (method_exists($this, $setter)) {
        
        $this->$setter($value);
        return;
    } elseif (strncmp($name, 'on ', 3) === 0) {
        
        $this->on(trim(substr($name, 3)), $value);
        return;
    } elseif (strncmp($name, 'as ', 3) === 0) {
        
        $name = trim(substr($name, 3));
        if ($value instanceof Behavior) {
            $this->attachBehavior($name, $value);
        } elseif ($value instanceof \Closure) {
            $this->attachBehavior($name, call_user_func($value));
        } elseif (isset($value['__class']) && is_subclass_of($value['__class'], Behavior::class)) {
            $this->attachBehavior($name, Yii::createObject($value));
        } elseif (!isset($value['__class']) && isset($value['class']) && is_subclass_of($value['class'], Behavior::class)) {
            $this->attachBehavior($name, Yii::createObject($value));
        } elseif (is_string($value) && is_subclass_of($value, Behavior::class, true)) {
            $this->attachBehavior($name, Yii::createObject($value));
        } else {
            throw new InvalidConfigException('Class is not of type ' . Behavior::class . ' or its subclasses');
        }
        return;
    }
    
    $this->ensureBehaviors();
    foreach ($this->_behaviors as $behavior) {
        if ($behavior->canSetProperty($name)) {
            $behavior->$name = $value;
            return;
        }
    }
    if (method_exists($this, 'get' . $name)) {
        throw new InvalidCallException('Setting read-only property: ' . get_class($this) . '::' . $name);
    }
    throw new UnknownPropertyException('Setting unknown property: ' . get_class($this) . '::' . $name);
}

Defined in: yii\base\Component::__unset()

Sets a component property to be null.

This method will check in the following order and act accordingly:

a property defined by a setter: set the property value to be null
a property of a behavior: set the property value to be null

Do not call this method directly as it is a PHP magic method that will be implicitly called when executing unset($component->property).

Source code

                public function __unset($name)
{
    $setter = 'set' . $name;
    if (method_exists($this, $setter)) {
        $this->$setter(null);
        return;
    }
    
    $this->ensureBehaviors();
    foreach ($this->_behaviors as $behavior) {
        if ($behavior->canSetProperty($name)) {
            $behavior->$name = null;
            return;
        }
    }
    throw new InvalidCallException('Unsetting an unknown or read-only property: ' . get_class($this) . '::' . $name);
}

This method is called AFTER all fixture data have been loaded for the current test.

Source code

                public function afterLoad()
{
    $this->checkIntegrity(true);
}

This method is called AFTER all fixture data have been unloaded for the current test.

Source code

                public function afterUnload()
{
    $this->checkIntegrity(true);
}

Source code

                public function attachBehavior($name, $behavior)
{
    $this->ensureBehaviors();
    return $this->attachBehaviorInternal($name, $behavior);
}

public void attachBehaviors ( $behaviors ) $behaviors array

List of behaviors to be attached to the component

Source code

                public function attachBehaviors($behaviors)
{
    $this->ensureBehaviors();
    foreach ($behaviors as $name => $behavior) {
        $this->attachBehaviorInternal($name, $behavior);
    }
}

This method is called BEFORE any fixture data is loaded for the current test.

Source code

                public function beforeLoad()
{
    $this->checkIntegrity(false);
}

This method is called BEFORE any fixture data is unloaded for the current test.

Source code

                public function beforeUnload()
{
    $this->checkIntegrity(false);
}

Defined in: yii\base\Component::behaviors()

Returns a list of behaviors that this component should behave as.

Child classes may override this method to specify the behaviors they want to behave as.

The return value of this method should be an array of behavior objects or configurations indexed by behavior names. A behavior configuration can be either a string specifying the behavior class or an array of the following structure:

'behaviorName' => [
    'class' => 'BehaviorClass',
    'property1' => 'value1',
    'property2' => 'value2',
]

Note that a behavior class must extend from yii\base\Behavior. Behaviors can be attached using a name or anonymously. When a name is used as the array key, using this name, the behavior can later be retrieved using getBehavior() or be detached using detachBehavior(). Anonymous behaviors can not be retrieved or detached.

Behaviors declared in this method will be attached to the component automatically (on demand).

Source code

                public function behaviors()
{
    return [];
}

Defined in: yii\base\Component::canGetProperty()

Returns a value indicating whether a property can be read.

A property can be read if:

the class has a getter method associated with the specified name (in this case, property name is case-insensitive);
the class has a member variable with the specified name (when $checkVars is true);
an attached behavior has a readable property of the given name (when $checkBehaviors is true).