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<?php
namespace Faker\Test\Provider;
use Faker\Provider\Base as BaseProvider;
class BaseTest extends \PHPUnit_Framework_TestCase
{
public function testRandomDigitReturnsInteger()
{
$this->assertTrue(is_integer(BaseProvider::randomDigit()));
}
public function testRandomDigitReturnsDigit()
{
$this->assertTrue(BaseProvider::randomDigit() >= 0);
$this->assertTrue(BaseProvider::randomDigit() < 10);
}
public function testRandomDigitNotNullReturnsNotNullDigit()
{
$this->assertTrue(BaseProvider::randomDigitNotNull() > 0);
$this->assertTrue(BaseProvider::randomDigitNotNull() < 10);
}
public function testRandomDigitNotReturnsValidDigit()
{
for ($i = 0; $i <= 9; $i++) {
$this->assertTrue(BaseProvider::randomDigitNot($i) >= 0);
$this->assertTrue(BaseProvider::randomDigitNot($i) < 10);
$this->assertTrue(BaseProvider::randomDigitNot($i) !== $i);
}
}
/**
* @expectedException \InvalidArgumentException
*/
public function testRandomNumberThrowsExceptionWhenCalledWithAMax()
{
BaseProvider::randomNumber(5, 200);
}
/**
* @expectedException \InvalidArgumentException
*/
public function testRandomNumberThrowsExceptionWhenCalledWithATooHighNumberOfDigits()
{
BaseProvider::randomNumber(10);
}
public function testRandomNumberReturnsInteger()
{
$this->assertTrue(is_integer(BaseProvider::randomNumber()));
$this->assertTrue(is_integer(BaseProvider::randomNumber(5, false)));
}
public function testRandomNumberReturnsDigit()
{
$this->assertTrue(BaseProvider::randomNumber(3) >= 0);
$this->assertTrue(BaseProvider::randomNumber(3) < 1000);
}
public function testRandomNumberAcceptsStrictParamToEnforceNumberSize()
{
$this->assertEquals(5, strlen((string) BaseProvider::randomNumber(5, true)));
}
public function testNumberBetween()
{
$min = 5;
$max = 6;
$this->assertGreaterThanOrEqual($min, BaseProvider::numberBetween($min, $max));
$this->assertGreaterThanOrEqual(BaseProvider::numberBetween($min, $max), $max);
}
public function testNumberBetweenAcceptsZeroAsMax()
{
$this->assertEquals(0, BaseProvider::numberBetween(0, 0));
}
public function testRandomFloat()
{
$min = 4;
$max = 10;
$nbMaxDecimals = 8;
$result = BaseProvider::randomFloat($nbMaxDecimals, $min, $max);
$parts = explode('.', $result);
$this->assertInternalType('float', $result);
$this->assertGreaterThanOrEqual($min, $result);
$this->assertLessThanOrEqual($max, $result);
$this->assertLessThanOrEqual($nbMaxDecimals, strlen($parts[1]));
}
public function testRandomLetterReturnsString()
{
$this->assertTrue(is_string(BaseProvider::randomLetter()));
}
public function testRandomLetterReturnsSingleLetter()
{
$this->assertEquals(1, strlen(BaseProvider::randomLetter()));
}
public function testRandomLetterReturnsLowercaseLetter()
{
$lowercaseLetters = 'abcdefghijklmnopqrstuvwxyz';
$this->assertTrue(strpos($lowercaseLetters, BaseProvider::randomLetter()) !== false);
}
public function testRandomAsciiReturnsString()
{
$this->assertTrue(is_string(BaseProvider::randomAscii()));
}
public function testRandomAsciiReturnsSingleCharacter()
{
$this->assertEquals(1, strlen(BaseProvider::randomAscii()));
}
public function testRandomAsciiReturnsAsciiCharacter()
{
$lowercaseLetters = '!"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~';
$this->assertTrue(strpos($lowercaseLetters, BaseProvider::randomAscii()) !== false);
}
public function testRandomElementReturnsNullWhenArrayEmpty()
{
$this->assertNull(BaseProvider::randomElement(array()));
}
public function testRandomElementReturnsElementFromArray()
{
$elements = array('23', 'e', 32, '#');
$this->assertContains(BaseProvider::randomElement($elements), $elements);
}
public function testRandomElementReturnsElementFromAssociativeArray()
{
$elements = array('tata' => '23', 'toto' => 'e', 'tutu' => 32, 'titi' => '#');
$this->assertContains(BaseProvider::randomElement($elements), $elements);
}
public function testShuffleReturnsStringWhenPassedAStringArgument()
{
$this->assertInternalType('string', BaseProvider::shuffle('foo'));
}
public function testShuffleReturnsArrayWhenPassedAnArrayArgument()
{
$this->assertInternalType('array', BaseProvider::shuffle(array(1, 2, 3)));
}
/**
* @expectedException \InvalidArgumentException
*/
public function testShuffleThrowsExceptionWhenPassedAnInvalidArgument()
{
BaseProvider::shuffle(false);
}
public function testShuffleArraySupportsEmptyArrays()
{
$this->assertEquals(array(), BaseProvider::shuffleArray(array()));
}
public function testShuffleArrayReturnsAnArrayOfTheSameSize()
{
$array = array(1, 2, 3, 4, 5);
$this->assertSameSize($array, BaseProvider::shuffleArray($array));
}
public function testShuffleArrayReturnsAnArrayWithSameElements()
{
$array = array(2, 4, 6, 8, 10);
$shuffleArray = BaseProvider::shuffleArray($array);
$this->assertContains(2, $shuffleArray);
$this->assertContains(4, $shuffleArray);
$this->assertContains(6, $shuffleArray);
$this->assertContains(8, $shuffleArray);
$this->assertContains(10, $shuffleArray);
}
public function testShuffleArrayReturnsADifferentArrayThanTheOriginal()
{
$arr = array(1, 2, 3, 4, 5);
$shuffledArray = BaseProvider::shuffleArray($arr);
$this->assertNotEquals($arr, $shuffledArray);
}
public function testShuffleArrayLeavesTheOriginalArrayUntouched()
{
$arr = array(1, 2, 3, 4, 5);
BaseProvider::shuffleArray($arr);
$this->assertEquals($arr, array(1, 2, 3, 4, 5));
}
public function testShuffleStringSupportsEmptyStrings()
{
$this->assertEquals('', BaseProvider::shuffleString(''));
}
public function testShuffleStringReturnsAnStringOfTheSameSize()
{
$string = 'abcdef';
$this->assertEquals(strlen($string), strlen(BaseProvider::shuffleString($string)));
}
public function testShuffleStringReturnsAnStringWithSameElements()
{
$string = 'acegi';
$shuffleString = BaseProvider::shuffleString($string);
$this->assertContains('a', $shuffleString);
$this->assertContains('c', $shuffleString);
$this->assertContains('e', $shuffleString);
$this->assertContains('g', $shuffleString);
$this->assertContains('i', $shuffleString);
}
public function testShuffleStringReturnsADifferentStringThanTheOriginal()
{
$string = 'abcdef';
$shuffledString = BaseProvider::shuffleString($string);
$this->assertNotEquals($string, $shuffledString);
}
public function testShuffleStringLeavesTheOriginalStringUntouched()
{
$string = 'abcdef';
BaseProvider::shuffleString($string);
$this->assertEquals($string, 'abcdef');
}
public function testNumerifyReturnsSameStringWhenItContainsNoHashSign()
{
$this->assertEquals('fooBar?', BaseProvider::numerify('fooBar?'));
}
public function testNumerifyReturnsStringWithHashSignsReplacedByDigits()
{
$this->assertRegExp('/foo\dBa\dr/', BaseProvider::numerify('foo#Ba#r'));
}
public function testNumerifyReturnsStringWithPercentageSignsReplacedByDigits()
{
$this->assertRegExp('/foo\dBa\dr/', BaseProvider::numerify('foo%Ba%r'));
}
public function testNumerifyReturnsStringWithPercentageSignsReplacedByNotNullDigits()
{
$this->assertNotEquals('0', BaseProvider::numerify('%'));
}
public function testNumerifyCanGenerateALargeNumberOfDigits()
{
$largePattern = str_repeat('#', 20); // definitely larger than PHP_INT_MAX on all systems
$this->assertEquals(20, strlen(BaseProvider::numerify($largePattern)));
}
public function testLexifyReturnsSameStringWhenItContainsNoQuestionMark()
{
$this->assertEquals('fooBar#', BaseProvider::lexify('fooBar#'));
}
public function testLexifyReturnsStringWithQuestionMarksReplacedByLetters()
{
$this->assertRegExp('/foo[a-z]Ba[a-z]r/', BaseProvider::lexify('foo?Ba?r'));
}
public function testBothifyCombinesNumerifyAndLexify()
{
$this->assertRegExp('/foo[a-z]Ba\dr/', BaseProvider::bothify('foo?Ba#r'));
}
public function testBothifyAsterisk()
{
$this->assertRegExp('/foo([a-z]|\d)Ba([a-z]|\d)r/', BaseProvider::bothify('foo*Ba*r'));
}
public function testBothifyUtf()
{
$utf = 'œ∑´®†¥¨ˆøπ“‘和製╯°□°╯︵ ┻━┻🐵 🙈 ﺚﻣ ﻦﻔﺳ ﺲﻘﻄﺗ ﻮﺑﺎﻠﺘﺣﺪﻳﺩ،, ﺝﺰﻳﺮﺘﻳ ﺏﺎﺴﺘﺧﺩﺎﻣ ﺄﻧ ﺪﻧﻭ. ﺇﺫ ﻪﻧﺍ؟ ﺎﻠﺴﺗﺍﺭ ﻮﺘ';
$this->assertRegExp('/'.$utf.'foo\dB[a-z]a([a-z]|\d)r/u', BaseProvider::bothify($utf.'foo#B?a*r'));
}
public function testAsciifyReturnsSameStringWhenItContainsNoStarSign()
{
$this->assertEquals('fooBar?', BaseProvider::asciify('fooBar?'));
}
public function testAsciifyReturnsStringWithStarSignsReplacedByAsciiChars()
{
$this->assertRegExp('/foo.Ba.r/', BaseProvider::asciify('foo*Ba*r'));
}
public function regexifyBasicDataProvider()
{
return array(
array('azeQSDF1234', 'azeQSDF1234', 'does not change non regex chars'),
array('foo(bar){1}', 'foobar', 'replaces regex characters'),
array('', '', 'supports empty string'),
array('/^foo(bar){1}$/', 'foobar', 'ignores regex delimiters')
);
}
/**
* @dataProvider regexifyBasicDataProvider
*/
public function testRegexifyBasicFeatures($input, $output, $message)
{
$this->assertEquals($output, BaseProvider::regexify($input), $message);
}
public function regexifyDataProvider()
{
return array(
array('\d', 'numbers'),
array('\w', 'letters'),
array('(a|b)', 'alternation'),
array('[aeiou]', 'basic character class'),
array('[a-z]', 'character class range'),
array('[a-z1-9]', 'multiple character class range'),
array('a*b+c?', 'single character quantifiers'),
array('a{2}', 'brackets quantifiers'),
array('a{2,3}', 'min-max brackets quantifiers'),
array('[aeiou]{2,3}', 'brackets quantifiers on basic character class'),
array('[a-z]{2,3}', 'brackets quantifiers on character class range'),
array('(a|b){2,3}', 'brackets quantifiers on alternation'),
array('\.\*\?\+', 'escaped characters'),
array('[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}', 'complex regex')
);
}
/**
* @dataProvider regexifyDataProvider
*/
public function testRegexifySupportedRegexSyntax($pattern, $message)
{
$this->assertRegExp('/' . $pattern . '/', BaseProvider::regexify($pattern), 'Regexify supports ' . $message);
}
public function testOptionalReturnsProviderValueWhenCalledWithWeight1()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$this->assertNotNull($faker->optional(100)->randomDigit);
}
public function testOptionalReturnsNullWhenCalledWithWeight0()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$this->assertNull($faker->optional(0)->randomDigit);
}
public function testOptionalAllowsChainingPropertyAccess()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$faker->addProvider(new \ArrayObject(array(1))); // hack because method_exists forbids stubs
$this->assertEquals(1, $faker->optional(100)->count);
$this->assertNull($faker->optional(0)->count);
}
public function testOptionalAllowsChainingMethodCall()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$faker->addProvider(new \ArrayObject(array(1))); // hack because method_exists forbids stubs
$this->assertEquals(1, $faker->optional(100)->count());
$this->assertNull($faker->optional(0)->count());
}
public function testOptionalAllowsChainingProviderCallRandomlyReturnNull()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$values = array();
for ($i=0; $i < 10; $i++) {
$values[]= $faker->optional()->randomDigit;
}
$this->assertContains(null, $values);
$values = array();
for ($i=0; $i < 10; $i++) {
$values[]= $faker->optional(50)->randomDigit;
}
$this->assertContains(null, $values);
}
/**
* @link https://github.com/fzaninotto/Faker/issues/265
*/
public function testOptionalPercentageAndWeight()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$faker->addProvider(new \Faker\Provider\Miscellaneous($faker));
$valuesOld = array();
$valuesNew = array();
for ($i = 0; $i < 10000; ++$i) {
$valuesOld[] = $faker->optional(0.5)->boolean(100);
$valuesNew[] = $faker->optional(50)->boolean(100);
}
$this->assertEquals(
round(array_sum($valuesOld) / 10000, 2),
round(array_sum($valuesNew) / 10000, 2)
);
}
public function testUniqueAllowsChainingPropertyAccess()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$faker->addProvider(new \ArrayObject(array(1))); // hack because method_exists forbids stubs
$this->assertEquals(1, $faker->unique()->count);
}
public function testUniqueAllowsChainingMethodCall()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$faker->addProvider(new \ArrayObject(array(1))); // hack because method_exists forbids stubs
$this->assertEquals(1, $faker->unique()->count());
}
public function testUniqueReturnsOnlyUniqueValues()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$values = array();
for ($i=0; $i < 10; $i++) {
$values[]= $faker->unique()->randomDigit;
}
sort($values);
$this->assertEquals(array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9), $values);
}
/**
* @expectedException OverflowException
*/
public function testUniqueThrowsExceptionWhenNoUniqueValueCanBeGenerated()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
for ($i=0; $i < 11; $i++) {
$faker->unique()->randomDigit;
}
}
public function testUniqueCanResetUniquesWhenPassedTrueAsArgument()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$values = array();
for ($i=0; $i < 10; $i++) {
$values[]= $faker->unique()->randomDigit;
}
$values[]= $faker->unique(true)->randomDigit;
for ($i=0; $i < 9; $i++) {
$values[]= $faker->unique()->randomDigit;
}
sort($values);
$this->assertEquals(array(0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9), $values);
}
public function testValidAllowsChainingPropertyAccess()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$this->assertLessThan(10, $faker->valid()->randomDigit);
}
public function testValidAllowsChainingMethodCall()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$this->assertLessThan(10, $faker->valid()->numberBetween(5, 9));
}
public function testValidReturnsOnlyValidValues()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$values = array();
$evenValidator = function($digit) {
return $digit % 2 === 0;
};
for ($i=0; $i < 50; $i++) {
$values[$faker->valid($evenValidator)->randomDigit] = true;
}
$uniqueValues = array_keys($values);
sort($uniqueValues);
$this->assertEquals(array(0, 2, 4, 6, 8), $uniqueValues);
}
/**
* @expectedException OverflowException
*/
public function testValidThrowsExceptionWhenNoValidValueCanBeGenerated()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$evenValidator = function($digit) {
return $digit % 2 === 0;
};
for ($i=0; $i < 11; $i++) {
$faker->valid($evenValidator)->randomElement(array(1, 3, 5, 7, 9));
}
}
/**
* @expectedException InvalidArgumentException
*/
public function testValidThrowsExceptionWhenParameterIsNotCollable()
{
$faker = new \Faker\Generator();
$faker->addProvider(new \Faker\Provider\Base($faker));
$faker->valid(12)->randomElement(array(1, 3, 5, 7, 9));
}
/**
* @expectedException LengthException
* @expectedExceptionMessage Cannot get 2 elements, only 1 in array
*/
public function testRandomElementsThrowsWhenRequestingTooManyKeys()
{
BaseProvider::randomElements(array('foo'), 2);
}
public function testRandomElements()
{
$this->assertCount(1, BaseProvider::randomElements(), 'Should work without any input');
$empty = BaseProvider::randomElements(array(), 0);
$this->assertInternalType('array', $empty);
$this->assertCount(0, $empty);
$shuffled = BaseProvider::randomElements(array('foo', 'bar', 'baz'), 3);
$this->assertContains('foo', $shuffled);
$this->assertContains('bar', $shuffled);
$this->assertContains('baz', $shuffled);
}
}