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JsonPointerTest.php
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JsonPointerTest.php
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<?php
declare(strict_types=1);
/**
* Copyright (c) 2020-2022 Andreas M枚ller
*
* For the full copyright and license information, please view
* the LICENSE.md file that was distributed with this source code.
*
* @see https://github.com/ergebnis/json-pointer
*/
namespace Ergebnis\Json\Pointer\Test\Unit;
use Ergebnis\Json\Pointer\Exception;
use Ergebnis\Json\Pointer\JsonPointer;
use Ergebnis\Json\Pointer\ReferenceToken;
use PHPUnit\Framework;
/**
* @internal
*
* @covers \Ergebnis\Json\Pointer\JsonPointer
*
* @uses \Ergebnis\Json\Pointer\Exception\InvalidJsonPointer
* @uses \Ergebnis\Json\Pointer\ReferenceToken
*/
final class JsonPointerTest extends Framework\TestCase
{
/**
* @dataProvider provideInvalidJsonStringValue
*/
public function testFromJsonStringRejectsInvalidValue(string $value): void
{
$this->expectException(Exception\InvalidJsonPointer::class);
JsonPointer::fromJsonString($value);
}
/**
* @see https://datatracker.ietf.org/doc/html/rfc6901#section-5
*
* @return \Generator<string, array{0: string}>
*/
public function provideInvalidJsonStringValue(): \Generator
{
$values = [
'does-not-start-with-forward-slash' => 'foo',
'property-with-tilde-followed-by-word' => '/foo~bar',
];
foreach ($values as $key => $value) {
yield $key => [
$value,
];
}
foreach (\range(2, 9) as $digit) {
$key = \sprintf(
'property-with-tilde-followed-by-digit-%d',
$digit,
);
$value = \sprintf(
'/foo~%d',
$digit,
);
yield $key => [
$value,
];
}
}
/**
* @dataProvider provideJsonStringValueUriFragmentIdentifierStringValueAndReferenceTokens
*
* @param array<int, ReferenceToken> $referenceTokens
*/
public function testFromJsonStringReturnsJsonPointer(
string $jsonStringValue,
string $uriFragmentIdentifierStringValue,
array $referenceTokens
): void {
$jsonPointer = JsonPointer::fromJsonString($jsonStringValue);
self::assertSame($jsonStringValue, $jsonPointer->toJsonString());
self::assertSame($uriFragmentIdentifierStringValue, $jsonPointer->toUriFragmentIdentifierString());
self::assertEquals($referenceTokens, $jsonPointer->toReferenceTokens());
}
/**
* @dataProvider provideJsonStringValueUriFragmentIdentifierStringValueAndReferenceTokens
*
* @param array<int, ReferenceToken> $referenceTokens
*/
public function testFromUriFragmentIdentifierStringReturnsJsonPointer(
string $jsonStringValue,
string $uriFragmentIdentifierStringValue,
array $referenceTokens
): void {
$jsonPointer = JsonPointer::fromUriFragmentIdentifierString($uriFragmentIdentifierStringValue);
self::assertSame($jsonStringValue, $jsonPointer->toJsonString());
self::assertSame($uriFragmentIdentifierStringValue, $jsonPointer->toUriFragmentIdentifierString());
self::assertEquals($referenceTokens, $jsonPointer->toReferenceTokens());
}
/**
* @dataProvider provideJsonStringValueUriFragmentIdentifierStringValueAndReferenceTokens
*
* @param array<int, ReferenceToken> $referenceTokens
*/
public function testFromReferenceTokensReturnsJsonPointer(
string $jsonStringValue,
string $uriFragmentIdentifierStringValue,
array $referenceTokens
): void {
$jsonPointer = JsonPointer::fromReferenceTokens(...$referenceTokens);
self::assertSame($jsonStringValue, $jsonPointer->toJsonString());
self::assertSame($uriFragmentIdentifierStringValue, $jsonPointer->toUriFragmentIdentifierString());
self::assertEquals($referenceTokens, $jsonPointer->toReferenceTokens());
}
/**
* @see https://datatracker.ietf.org/doc/html/rfc6901#section-5
*
* @return \Generator<string, array{0: string, 1: string, 2: array<int, ReferenceToken>}>
*/
public function provideJsonStringValueUriFragmentIdentifierStringValueAndReferenceTokens(): \Generator
{
$values = [
'array-index-0' => [
'/0',
'#/0',
[
ReferenceToken::fromInt(0),
],
],
'array-index-1' => [
'/1',
'#/1',
[
ReferenceToken::fromInt(1),
],
],
'array-index-9000' => [
'/9000',
'#/9000',
[
ReferenceToken::fromInt(9000),
],
],
'document' => [
'',
'#',
[],
],
'document-root' => [
'/',
'#/',
[
ReferenceToken::fromString(''),
],
],
'property-caret' => [
'/^',
'#/%5E',
[
ReferenceToken::fromString('^'),
],
],
'property-percent' => [
'/%',
'#/%25',
[
ReferenceToken::fromString('%'),
],
],
'property-pipe' => [
'/|',
'#/%7C',
[
ReferenceToken::fromString('|'),
],
],
'property-quote-double' => [
'/"',
'#/%22',
[
ReferenceToken::fromString('"'),
],
],
'property-quote-single' => [
"/'",
'#/%27',
[
ReferenceToken::fromString("'"),
],
],
'property-slash-backward' => [
'/\\',
'#/%5C',
[
ReferenceToken::fromString('\\'),
],
],
'property-slash-forward-escaped' => [
'/~1',
'#/~1',
[
ReferenceToken::fromString('/'),
],
],
'property-space' => [
'/ ',
'#/%20',
[
ReferenceToken::fromString(' '),
],
],
'property-tilde-escaped' => [
'/~0',
'#/~0',
[
ReferenceToken::fromString('~'),
],
],
'property-unicode-character' => [
'/馃槅',
'#/%F0%9F%98%86',
[
ReferenceToken::fromString('馃槅'),
],
],
'property-with-array-index' => [
'/foo/0',
'#/foo/0',
[
ReferenceToken::fromString('foo'),
ReferenceToken::fromInt(0),
],
],
'property-with-caret' => [
'/foo^bar',
'#/foo%5Ebar',
[
ReferenceToken::fromString('foo^bar'),
],
],
'property-with-percent' => [
'/foo%bar',
'#/foo%25bar',
[
ReferenceToken::fromString('foo%bar'),
],
],
'property-with-pipe' => [
'/foo|bar',
'#/foo%7Cbar',
[
ReferenceToken::fromString('foo|bar'),
],
],
'property-with-quote-double' => [
'/foo"bar',
'#/foo%22bar',
[
ReferenceToken::fromString('foo"bar'),
],
],
'property-with-quote-single' => [
"/foo'bar",
'#/foo%27bar',
[
ReferenceToken::fromString("foo'bar"),
],
],
'property-with-slash-backward' => [
'/foo\\bar',
'#/foo%5Cbar',
[
ReferenceToken::fromString('foo\\bar'),
],
],
'property-with-slash-forward-escaped' => [
'/foo~1bar',
'#/foo~1bar',
[
ReferenceToken::fromString('foo/bar'),
],
],
'property-with-tilde-escaped' => [
'/foo~0bar',
'#/foo~0bar',
[
ReferenceToken::fromString('foo~bar'),
],
],
'property-with-unicode-character' => [
'/foo馃槅bar',
'#/foo%F0%9F%98%86bar',
[
ReferenceToken::fromString('foo馃槅bar'),
],
],
'property-with-word' => [
'/foo/bar',
'#/foo/bar',
[
ReferenceToken::fromString('foo'),
ReferenceToken::fromString('bar'),
],
],
'property-word' => [
'/foo',
'#/foo',
[
ReferenceToken::fromString('foo'),
],
],
];
foreach ($values as $key => [$jsonStringValue, $uriFragmentIdentifierStringValue,$referenceTokens]) {
yield $key => [
$jsonStringValue,
$uriFragmentIdentifierStringValue,
$referenceTokens,
];
}
}
/**
* @dataProvider provideInvalidUriFragmentIdentifierStringValue
*/
public function testFromUriFragmentIdentifierStringRejectsInvalidValue(string $value): void
{
$this->expectException(Exception\InvalidJsonPointer::class);
JsonPointer::fromUriFragmentIdentifierString($value);
}
/**
* @see https://datatracker.ietf.org/doc/html/rfc6901#section-5
*
* @return \Generator<string, array{0: string}>
*/
public function provideInvalidUriFragmentIdentifierStringValue(): \Generator
{
$values = [
'does-not-start-with-hash' => 'foo',
'property-with-tilde-followed-by-word' => '#foo~bar',
];
foreach ($values as $key => $value) {
yield $key => [
$value,
];
}
foreach (\range(2, 9) as $digit) {
$key = \sprintf(
'property-with-tilde-followed-by-digit-%d',
$digit,
);
$value = \sprintf(
'#foo~%d',
$digit,
);
yield $key => [
$value,
];
}
}
public function testDocumentReturnsJsonPointer(): void
{
$jsonPointer = JsonPointer::document();
self::assertSame('', $jsonPointer->toJsonString());
self::assertSame('#', $jsonPointer->toUriFragmentIdentifierString());
}
/**
* @dataProvider provideJsonPointerReferenceTokenAndExpectedJsonPointer
*/
public function testAppendReturnsJsonPointer(
JsonPointer $jsonPointer,
ReferenceToken $referenceToken,
JsonPointer $expectedJsonPointer
): void {
$mutated = $jsonPointer->append($referenceToken);
self::assertNotSame($jsonPointer, $mutated);
self::assertEquals($expectedJsonPointer, $mutated);
}
/**
* @return \Generator<string, array{0: JsonPointer, 1: ReferenceToken, 2: JsonPointer}>
*/
public function provideJsonPointerReferenceTokenAndExpectedJsonPointer(): \Generator
{
$values = [
'document-and-reference-token-from-unescaped-string' => [
JsonPointer::document(),
ReferenceToken::fromString('foo'),
JsonPointer::fromJsonString('/foo'),
],
'document-from-string-and-reference-token-from-unescaped-string' => [
JsonPointer::fromJsonString(''),
ReferenceToken::fromString('foo'),
JsonPointer::fromJsonString('/foo'),
],
'pointer-and-reference-token-from-int' => [
JsonPointer::fromJsonString('/foo'),
ReferenceToken::fromInt(9000),
JsonPointer::fromJsonString('/foo/9000'),
],
'pointer-and-reference-token-from-unescaped-string' => [
JsonPointer::fromJsonString('/foo'),
ReferenceToken::fromString('bar/baz'),
JsonPointer::fromJsonString('/foo/bar~1baz'),
],
'pointer-and-reference-token-from-escaped-string' => [
JsonPointer::fromJsonString('/foo'),
ReferenceToken::fromJsonString('bar~1baz'),
JsonPointer::fromJsonString('/foo/bar~1baz'),
],
];
foreach ($values as $key => [$expectedJsonPointer, $jsonPointer, $segment]) {
yield $key => [
$expectedJsonPointer,
$jsonPointer,
$segment,
];
}
}
public function testEqualsReturnsFalseWhenValueIsDifferent(): void
{
$one = JsonPointer::fromJsonString('/foo/bar/0/baz~0');
$two = JsonPointer::fromJsonString('/foo/bar/1');
self::assertFalse($one->equals($two));
}
public function testEqualsReturnsFalseWhenValueIsSame(): void
{
$value = '/foo/bar/0/baz~0';
$one = JsonPointer::fromJsonString($value);
$two = JsonPointer::fromJsonString($value);
self::assertTrue($one->equals($two));
}
}