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<?php
namespace Codeception\Module;
use Codeception\Module as CodeceptionModule;
/**
* Special module for using asserts in your tests.
*/
class Asserts extends CodeceptionModule
{
/**
* Checks that two variables are equal. If you're comparing floating-point values,
* you can specify the optional "delta" parameter which dictates how great of a precision
* error are you willing to tolerate in order to consider the two values equal.
*
* Regular example:
* ```php
* <?php
* $I->assertEquals($element->getChildrenCount(), 5);
* ```
*
* Floating-point example:
* ```php
* <?php
* $I->assertEquals($calculator->add(0.1, 0.2), 0.3, 'Calculator should add the two numbers correctly.', 0.01);
* ```
*
* @param $expected
* @param $actual
* @param string $message
* @param float $delta
*/
public function assertEquals($expected, $actual, $message = '', $delta = 0.0)
{
parent::assertEquals($expected, $actual, $message, $delta);
}
/**
* Checks that two variables are not equal. If you're comparing floating-point values,
* you can specify the optional "delta" parameter which dictates how great of a precision
* error are you willing to tolerate in order to consider the two values not equal.
*
* Regular example:
* ```php
* <?php
* $I->assertNotEquals($element->getChildrenCount(), 0);
* ```
*
* Floating-point example:
* ```php
* <?php
* $I->assertNotEquals($calculator->add(0.1, 0.2), 0.4, 'Calculator should add the two numbers correctly.', 0.01);
* ```
*
* @param $expected
* @param $actual
* @param string $message
* @param float $delta
*/
public function assertNotEquals($expected, $actual, $message = '', $delta = 0.0)
{
parent::assertNotEquals($expected, $actual, $message, $delta);
}
/**
* Checks that two variables are same
*
* @param $expected
* @param $actual
* @param string $message
*/
public function assertSame($expected, $actual, $message = '')
{
parent::assertSame($expected, $actual, $message);
}
/**
* Checks that two variables are not same
*
* @param $expected
* @param $actual
* @param string $message
*/
public function assertNotSame($expected, $actual, $message = '')
{
parent::assertNotSame($expected, $actual, $message);
}
/**
* Checks that actual is greater than expected
*
* @param $expected
* @param $actual
* @param string $message
*/
public function assertGreaterThan($expected, $actual, $message = '')
{
parent::assertGreaterThan($expected, $actual, $message);
}
/**
* Checks that actual is greater or equal than expected
*
* @param $expected
* @param $actual
* @param string $message
*/
public function assertGreaterThanOrEqual($expected, $actual, $message = '')
{
parent::assertGreaterThanOrEqual($expected, $actual, $message);
}
/**
* Checks that actual is less than expected
*
* @param $expected
* @param $actual
* @param string $message
*/
public function assertLessThan($expected, $actual, $message = '')
{
parent::assertLessThan($expected, $actual, $message);
}
/**
* Checks that actual is less or equal than expected
*
* @param $expected
* @param $actual
* @param string $message
*/
public function assertLessThanOrEqual($expected, $actual, $message = '')
{
parent::assertLessThanOrEqual($expected, $actual, $message);
}
/**
* Checks that haystack contains needle
*
* @param $needle
* @param $haystack
* @param string $message
*/
public function assertContains($needle, $haystack, $message = '')
{
parent::assertContains($needle, $haystack, $message);
}
/**
* Checks that haystack doesn't contain needle.
*
* @param $needle
* @param $haystack
* @param string $message
*/
public function assertNotContains($needle, $haystack, $message = '')
{
parent::assertNotContains($needle, $haystack, $message);
}
/**
* Checks that string match with pattern
*
* @param string $pattern
* @param string $string
* @param string $message
*/
public function assertRegExp($pattern, $string, $message = '')
{
parent::assertRegExp($pattern, $string, $message);
}
/**
* Checks that string not match with pattern
*
* @param string $pattern
* @param string $string
* @param string $message
*/
public function assertNotRegExp($pattern, $string, $message = '')
{
parent::assertNotRegExp($pattern, $string, $message);
}
/**
* Checks that a string starts with the given prefix.
*
* @param string $prefix
* @param string $string
* @param string $message
*/
public function assertStringStartsWith($prefix, $string, $message = '')
{
parent::assertStringStartsWith($prefix, $string, $message);
}
/**
* Checks that a string doesn't start with the given prefix.
*
* @param string $prefix
* @param string $string
* @param string $message
*/
public function assertStringStartsNotWith($prefix, $string, $message = '')
{
parent::assertStringStartsNotWith($prefix, $string, $message);
}
/**
* Checks that variable is empty.
*
* @param $actual
* @param string $message
*/
public function assertEmpty($actual, $message = '')
{
parent::assertEmpty($actual, $message);
}
/**
* Checks that variable is not empty.
*
* @param $actual
* @param string $message
*/
public function assertNotEmpty($actual, $message = '')
{
parent::assertNotEmpty($actual, $message);
}
/**
* Checks that variable is NULL
*
* @param $actual
* @param string $message
*/
public function assertNull($actual, $message = '')
{
parent::assertNull($actual, $message);
}
/**
* Checks that variable is not NULL
*
* @param $actual
* @param string $message
*/
public function assertNotNull($actual, $message = '')
{
parent::assertNotNull($actual, $message);
}
/**
* Checks that condition is positive.
*
* @param $condition
* @param string $message
*/
public function assertTrue($condition, $message = '')
{
parent::assertTrue($condition, $message);
}
/**
* Checks that condition is negative.
*
* @param $condition
* @param string $message
*/
public function assertFalse($condition, $message = '')
{
parent::assertFalse($condition, $message);
}
/**
* Checks if file exists
*
* @param string $filename
* @param string $message
*/
public function assertFileExists($filename, $message = '')
{
parent::assertFileExists($filename, $message);
}
/**
* Checks if file doesn't exist
*
* @param string $filename
* @param string $message
*/
public function assertFileNotExists($filename, $message = '')
{
parent::assertFileNotExists($filename, $message);
}
/**
* @param $expected
* @param $actual
* @param $description
*/
public function assertGreaterOrEquals($expected, $actual, $description = '')
{
$this->assertGreaterThanOrEqual($expected, $actual, $description);
}
/**
* @param $expected
* @param $actual
* @param $description
*/
public function assertLessOrEquals($expected, $actual, $description = '')
{
$this->assertLessThanOrEqual($expected, $actual, $description);
}
/**
* @param $actual
* @param $description
*/
public function assertIsEmpty($actual, $description = '')
{
$this->assertEmpty($actual, $description);
}
/**
* @param $key
* @param $actual
* @param $description
*/
public function assertArrayHasKey($key, $actual, $description = '')
{
parent::assertArrayHasKey($key, $actual, $description);
}
/**
* @param $key
* @param $actual
* @param $description
*/
public function assertArrayNotHasKey($key, $actual, $description = '')
{
parent::assertArrayNotHasKey($key, $actual, $description);
}
/**
* Checks that array contains subset.
*
* @param array $subset
* @param array $array
* @param bool $strict
* @param string $message
*/
public function assertArraySubset($subset, $array, $strict = false, $message = '')
{
parent::assertArraySubset($subset, $array, $strict, $message);
}
/**
* @param $expectedCount
* @param $actual
* @param $description
*/
public function assertCount($expectedCount, $actual, $description = '')
{
parent::assertCount($expectedCount, $actual, $description);
}
/**
* @param $class
* @param $actual
* @param $description
*/
public function assertInstanceOf($class, $actual, $description = '')
{
parent::assertInstanceOf($class, $actual, $description);
}
/**
* @param $class
* @param $actual
* @param $description
*/
public function assertNotInstanceOf($class, $actual, $description = '')
{
parent::assertNotInstanceOf($class, $actual, $description);
}
/**
* @param $type
* @param $actual
* @param $description
*/
public function assertInternalType($type, $actual, $description = '')
{
parent::assertInternalType($type, $actual, $description);
}
/**
* Fails the test with message.
*
* @param $message
*/
public function fail($message)
{
parent::fail($message);
}
/**
* Handles and checks exception called inside callback function.
* Either exception class name or exception instance should be provided.
*
* ```php
* <?php
* $I->expectException(MyException::class, function() {
* $this->doSomethingBad();
* });
*
* $I->expectException(new MyException(), function() {
* $this->doSomethingBad();
* });
* ```
* If you want to check message or exception code, you can pass them with exception instance:
* ```php
* <?php
* // will check that exception MyException is thrown with "Don't do bad things" message
* $I->expectException(new MyException("Don't do bad things"), function() {
* $this->doSomethingBad();
* });
* ```
*
* @param $exception string or \Exception
* @param $callback
*/
public function expectException($exception, $callback)
{
$code = null;
$msg = null;
if (is_object($exception)) {
/** @var $exception \Exception **/
$class = get_class($exception);
$msg = $exception->getMessage();
$code = $exception->getCode();
} else {
$class = $exception;
}
try {
$callback();
} catch (\Exception $e) {
if (!$e instanceof $class) {
$this->fail(sprintf("Exception of class $class expected to be thrown, but %s caught", get_class($e)));
}
if (null !== $msg and $e->getMessage() !== $msg) {
$this->fail(sprintf(
"Exception of $class expected to be '$msg', but actual message was '%s'",
$e->getMessage()
));
}
if (null !== $code and $e->getCode() !== $code) {
$this->fail(sprintf(
"Exception of $class expected to have code $code, but actual code was %s",
$e->getCode()
));
}
$this->assertTrue(true); // increment assertion counter
return;
}
$this->fail("Expected exception to be thrown, but nothing was caught");
}
}