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MDL-61307 core: Add component_class_callback functionality

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This commit is contained in:
Andrew Nicols 2018-03-09 09:48:28 +08:00
parent dcc16e155d
commit 431a3bb674
3 changed files with 218 additions and 0 deletions
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126
lib/tests/moodlelib_test.php
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@ -3592,4 +3592,130 @@ class core_moodlelib_testcase extends advanced_testcase {
$a = array('aggregatesonly' => [51, 34], 'gradesonly' => [21, 45, 78]);
$this->assertEquals($a, unserialize_array(serialize($a)));
}
/**
* Test that the component_class_callback returns the correct default value when the class was not found.
*
* @dataProvider component_class_callback_default_provider
* @param $default
*/
public function test_component_class_callback_not_found($default) {
$this->assertSame($default, component_class_callback('thisIsNotTheClassYouWereLookingFor', 'anymethod', [], $default));
}
/**
* Test that the component_class_callback returns the correct default value when the class was not found.
*
* @dataProvider component_class_callback_default_provider
* @param $default
*/
public function test_component_class_callback_method_not_found($default) {
require_once(__DIR__ . '/fixtures/component_class_callback_example.php');
$this->assertSame($default, component_class_callback(test_component_class_callback_example::class, 'this_is_not_the_method_you_were_looking_for', ['abc'], $default));
}
/**
* Test that the component_class_callback returns the default when the method returned null.
*
* @dataProvider component_class_callback_default_provider
* @param $default
*/
public function test_component_class_callback_found_returns_null($default) {
require_once(__DIR__ . '/fixtures/component_class_callback_example.php');
$this->assertSame($default, component_class_callback(test_component_class_callback_example::class, 'method_returns_value', [null], $default));
$this->assertSame($default, component_class_callback(test_component_class_callback_child_example::class, 'method_returns_value', [null], $default));
}
/**
* Test that the component_class_callback returns the expected value and not the default when there was a value.
*
* @dataProvider component_class_callback_data_provider
* @param $default
*/
public function test_component_class_callback_found_returns_value($value) {
require_once(__DIR__ . '/fixtures/component_class_callback_example.php');
$this->assertSame($value, component_class_callback(test_component_class_callback_example::class, 'method_returns_value', [$value], 'This is not the value you were looking for'));
$this->assertSame($value, component_class_callback(test_component_class_callback_child_example::class, 'method_returns_value', [$value], 'This is not the value you were looking for'));
}
/**
* Test that the component_class_callback handles multiple params correctly.
*
* @dataProvider component_class_callback_multiple_params_provider
* @param $default
*/
public function test_component_class_callback_found_accepts_multiple($params, $count) {
require_once(__DIR__ . '/fixtures/component_class_callback_example.php');
$this->assertSame($count, component_class_callback(test_component_class_callback_example::class, 'method_returns_all_params', $params, 'This is not the value you were looking for'));
$this->assertSame($count, component_class_callback(test_component_class_callback_child_example::class, 'method_returns_all_params', $params, 'This is not the value you were looking for'));
}
/**
* Data provider with list of default values for user in component_class_callback tests.
*
* @return array
*/
public function component_class_callback_default_provider() {
return [
'null' => [null],
'empty string' => [''],
'string' => ['This is a string'],
'int' => [12345],
'stdClass' => [(object) ['this is my content']],
'array' => [['a' => 'b',]],
];
}
/**
* Data provider with list of default values for user in component_class_callback tests.
*
* @return array
*/
public function component_class_callback_data_provider() {
return [
'empty string' => [''],
'string' => ['This is a string'],
'int' => [12345],
'stdClass' => [(object) ['this is my content']],
'array' => [['a' => 'b',]],
];
}
/**
* Data provider with list of default values for user in component_class_callback tests.
*
* @return array
*/
public function component_class_callback_multiple_params_provider() {
return [
'empty array' => [
[],
0,
],
'string value' => [
['one'],
1,
],
'string values' => [
['one', 'two'],
2,
],
'arrays' => [
[[], []],
2,
],
'nulls' => [
[null, null, null, null],
4,
],
'mixed' => [
['a', 1, null, (object) [], []],
5,
],
];
}
}