Files
pest/src/Expectation.php

539 lines
11 KiB
PHP

<?php
declare(strict_types=1);
namespace Pest;
use PHPUnit\Framework\Assert;
use PHPUnit\Framework\Constraint\Constraint;
/**
* @internal
*
* @property Expectation $not Creates the opposite expectation.
*/
final class Expectation
{
/**
* The expectation value.
*
* @readonly
*
* @var mixed
*/
public $value;
/**
* Creates a new expectation.
*
* @param mixed $value
*/
public function __construct($value)
{
$this->value = $value;
}
/**
* Creates a new expectation.
*
* @param mixed $value
*/
public function and($value): Expectation
{
return new self($value);
}
/**
* Creates the opposite expectation for the value.
*/
public function not(): OppositeExpectation
{
return new OppositeExpectation($this);
}
/**
* Asserts that two variables have the same type and
* value. Used on objects, it asserts that two
* variables reference the same object.
*
* @param mixed $expected
*/
public function toBe($expected): Expectation
{
Assert::assertSame($expected, $this->value);
return $this;
}
/**
* Asserts that the value is empty.
*/
public function toBeEmpty(): Expectation
{
Assert::assertEmpty($this->value);
return $this;
}
/**
* Asserts that the value is true.
*/
public function toBeTrue(): Expectation
{
Assert::assertTrue($this->value);
return $this;
}
/**
* Asserts that the value is false.
*/
public function toBeFalse(): Expectation
{
Assert::assertFalse($this->value);
return $this;
}
/**
* Asserts that the value is greater than $expected.
*
* @param int|float $expected
*/
public function toBeGreaterThan($expected): Expectation
{
Assert::assertGreaterThan($expected, $this->value);
return $this;
}
/**
* Asserts that the value is greater than or equal to $expected.
*
* @param int|float $expected
*/
public function toBeGreaterThanOrEqual($expected): Expectation
{
Assert::assertGreaterThanOrEqual($expected, $this->value);
return $this;
}
/**
* Asserts that the value is less than or equal to $expected.
*
* @param int|float $expected
*/
public function toBeLessThan($expected): Expectation
{
Assert::assertLessThan($expected, $this->value);
return $this;
}
/**
* Asserts that the value is less than $expected.
*
* @param int|float $expected
*/
public function toBeLessThanOrEqual($expected): Expectation
{
Assert::assertLessThanOrEqual($expected, $this->value);
return $this;
}
/**
* Asserts that $needle is an element of the value.
*
* @param mixed $needle
*/
public function toContain($needle): Expectation
{
if (is_string($this->value)) {
Assert::assertStringContainsString($needle, $this->value);
} else {
Assert::assertContains($needle, $this->value);
}
return $this;
}
/**
* Asserts that the value starts with $expected.
*/
public function toStartWith(string $expected): Expectation
{
Assert::assertStringStartsWith($expected, $this->value);
return $this;
}
/**
* Asserts that the value ends with $expected.
*/
public function toEndWith(string $expected): Expectation
{
Assert::assertStringEndsWith($expected, $this->value);
return $this;
}
/**
* Asserts that $count matches the number of elements of the value.
*/
public function toHaveCount(int $count): Expectation
{
Assert::assertCount($count, $this->value);
return $this;
}
/**
* Asserts that the value contains the property $name.
*
* @param mixed $value
*/
public function toHaveProperty(string $name, $value = null): Expectation
{
$this->toBeObject();
Assert::assertTrue(property_exists($this->value, $name));
if (func_num_args() > 1) {
/* @phpstan-ignore-next-line */
Assert::assertEquals($value, $this->value->{$name});
}
return $this;
}
/**
* Asserts that two variables have the same value.
*
* @param mixed $expected
*/
public function toEqual($expected): Expectation
{
Assert::assertEquals($expected, $this->value);
return $this;
}
/**
* Asserts that two variables have the same value.
* The contents of $expected and the $this->value are
* canonicalized before they are compared. For instance, when the two
* variables $expected and $this->value are arrays, then these arrays
* are sorted before they are compared. When $expected and $this->value
* are objects, each object is converted to an array containing all
* private, protected and public attributes.
*
* @param mixed $expected
*/
public function toEqualCanonicalizing($expected): Expectation
{
Assert::assertEqualsCanonicalizing($expected, $this->value);
return $this;
}
/**
* Asserts that the absolute difference between the value and $expected
* is lower than $delta.
*
* @param mixed $expected
*/
public function toEqualWithDelta($expected, float $delta): Expectation
{
Assert::assertEqualsWithDelta($expected, $this->value, $delta);
return $this;
}
/**
* Asserts that the value is infinite.
*/
public function toBeInfinite(): Expectation
{
Assert::assertInfinite($this->value);
return $this;
}
/**
* Asserts that the value is an instance of $class.
*
* @param string $class
*/
public function toBeInstanceOf($class): Expectation
{
/* @phpstan-ignore-next-line */
Assert::assertInstanceOf($class, $this->value);
return $this;
}
/**
* Asserts that the value is an array.
*/
public function toBeArray(): Expectation
{
Assert::assertIsArray($this->value);
return $this;
}
/**
* Asserts that the value is of type bool.
*/
public function toBeBool(): Expectation
{
Assert::assertIsBool($this->value);
return $this;
}
/**
* Asserts that the value is of type callable.
*/
public function toBeCallable(): Expectation
{
Assert::assertIsCallable($this->value);
return $this;
}
/**
* Asserts that the value is of type float.
*/
public function toBeFloat(): Expectation
{
Assert::assertIsFloat($this->value);
return $this;
}
/**
* Asserts that the value is of type int.
*/
public function toBeInt(): Expectation
{
Assert::assertIsInt($this->value);
return $this;
}
/**
* Asserts that the value is of type iterable.
*/
public function toBeIterable(): Expectation
{
Assert::assertIsIterable($this->value);
return $this;
}
/**
* Asserts that the value is of type numeric.
*/
public function toBeNumeric(): Expectation
{
Assert::assertIsNumeric($this->value);
return $this;
}
/**
* Asserts that the value is of type object.
*/
public function toBeObject(): Expectation
{
Assert::assertIsObject($this->value);
return $this;
}
/**
* Asserts that the value is of type resource.
*/
public function toBeResource(): Expectation
{
Assert::assertIsResource($this->value);
return $this;
}
/**
* Asserts that the value is of type scalar.
*/
public function toBeScalar(): Expectation
{
Assert::assertIsScalar($this->value);
return $this;
}
/**
* Asserts that the value is of type string.
*/
public function toBeString(): Expectation
{
Assert::assertIsString($this->value);
return $this;
}
/**
* Asserts that the value is NAN.
*/
public function toBeNan(): Expectation
{
Assert::assertNan($this->value);
return $this;
}
/**
* Asserts that the value is null.
*/
public function toBeNull(): Expectation
{
Assert::assertNull($this->value);
return $this;
}
/**
* Asserts that the value array has the provided $key.
*
* @param string|int $key
*/
public function toHaveKey($key): Expectation
{
Assert::assertArrayHasKey($key, $this->value);
return $this;
}
/**
* Asserts that the value array has the provided $keys.
*
* @param array<int, int|string> $keys
*/
public function toHaveKeys(array $keys): Expectation
{
foreach ($keys as $key) {
$this->toHaveKey($key);
}
return $this;
}
/**
* Asserts that the value is a directory.
*/
public function toBeDirectory(): Expectation
{
Assert::assertDirectoryExists($this->value);
return $this;
}
/**
* Asserts that the value is a directory and is readable.
*/
public function toBeReadableDirectory(): Expectation
{
Assert::assertDirectoryIsReadable($this->value);
return $this;
}
/**
* Asserts that the value is a directory and is writable.
*/
public function toBeWritableDirectory(): Expectation
{
Assert::assertDirectoryIsWritable($this->value);
return $this;
}
/**
* Asserts that the value is a file.
*/
public function toBeFile(): Expectation
{
Assert::assertFileExists($this->value);
return $this;
}
/**
* Asserts that the value is a file and is readable.
*/
public function toBeReadableFile(): Expectation
{
Assert::assertFileIsReadable($this->value);
return $this;
}
/**
* Asserts that the value is a file and is writable.
*/
public function toBeWritableFile(): Expectation
{
Assert::assertFileIsWritable($this->value);
return $this;
}
/**
* Asserts that the value object matches a subset
* of the properties of an given object.
*
* @param array<string, mixed>|object $object
*/
public function toMatchObject($object): Expectation
{
foreach ((array) $object as $property => $value) {
$this->toHaveProperty($property, $value);
}
return $this;
}
/**
* Asserts that the value matches a regular expression.
*/
public function toMatch(string $expression): Expectation
{
Assert::assertMatchesRegularExpression($expression, $this->value);
return $this;
}
/**
* Asserts that the value matches a constraint.
*/
public function toMatchConstraint(Constraint $constraint): Expectation
{
Assert::assertThat($this->value, $constraint);
return $this;
}
/**
* Dynamically calls methods on the class without any arguments.
*
* @return Expectation
*/
public function __get(string $name)
{
/* @phpstan-ignore-next-line */
return $this->{$name}();
}
}