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GeneratedValueOptionsTest.php
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GeneratedValueOptionsTest.php
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<?php
namespace Eris\Generator;
// TODO: complete *unit* test coverage
class GeneratedValueOptionsTest extends \PHPUnit\Framework\TestCase
{
public function testMapsOverAllTheOptions()
{
$value = GeneratedValueSingle::fromJustValue(42);
$options = new GeneratedValueOptions([$value]);
$double = function ($n) {
return $n * 2;
};
$this->assertEquals(
new GeneratedValueOptions([$value->map($double, 'doubler')]),
$options->map($double, 'doubler')
);
}
public function testAddingAndRemoving()
{
$someOptions = new GeneratedValueOptions([
GeneratedValueSingle::fromJustValue(42),
GeneratedValueSingle::fromJustValue(43),
GeneratedValueSingle::fromJustValue(44),
]);
$this->assertEquals(
new GeneratedValueOptions([
GeneratedValueSingle::fromJustValue(44),
GeneratedValueSingle::fromJustValue(45),
GeneratedValueSingle::fromJustValue(46),
]),
$someOptions
->add(GeneratedValueSingle::fromJustValue(45))
->remove(GeneratedValueSingle::fromJustValue(42))
->add(GeneratedValueSingle::fromJustValue(46))
->remove(GeneratedValueSingle::fromJustValue(43))
);
}
public function testCount()
{
$this->assertEquals(
3,
count(new GeneratedValueOptions([
GeneratedValueSingle::fromJustValue(44),
GeneratedValueSingle::fromJustValue(45),
GeneratedValueSingle::fromJustValue(46),
]))
);
}
public function testCartesianProductWithOtherValues()
{
$former = new GeneratedValueOptions([
GeneratedValueSingle::fromJustValue('a'),
GeneratedValueSingle::fromJustValue('b'),
]);
$latter = new GeneratedValueOptions([
GeneratedValueSingle::fromJustValue('1'),
GeneratedValueSingle::fromJustValue('2'),
GeneratedValueSingle::fromJustValue('3'),
]);
$product = $former->cartesianProduct($latter, function ($first, $second) {
return $first . $second;
});
$this->assertEquals(6, count($product));
foreach ($product as $value) {
\Eris\PHPUnitDeprecationHelper::assertMatchesRegularExpression('/^[ab][123]$/', $value->unbox());
}
}
}

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