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<?php declare(strict_types=1); namespace JsonMachineTest; use JsonMachine\Exception\JsonMachineException; use JsonMachine\Exception\PathNotFoundException; use JsonMachine\Exception\SyntaxErrorException; use JsonMachine\Exception\UnexpectedEndSyntaxErrorException; use JsonMachine\JsonDecoder\ExtJsonDecoder; use JsonMachine\Parser; use JsonMachine\StringChunks; use JsonMachine\Tokens; use JsonMachine\TokensWithDebugging; /** * @covers \JsonMachine\Parser / class ParserTest extends \PHPUnit_Framework_TestCase { /* * @dataProvider data_testSyntax * * @param string $jsonPointer * @param string $json * @param array $expectedResult / public function testSyntax($jsonPointer, $json, $expectedResult) { $result = []; foreach ($this->createParser($json, $jsonPointer) as $key => $value) { $result[] = [$key => $value]; } $this->assertSame($expectedResult, $result); } public function data_testSyntax() { return [ ['', '{}', []], ['', '{"a": "b"}', [['a' => 'b']]], ['', '{"a":{"b":{"c":1}}}', [['a' => ['b' => ['c' => 1]]]]], ['', '[]', []], ['', '[null,true,false,"a",0,1,42.5]', [[0 => null], [1 => true], [2 => false], [3 => 'a'], [4 => 0], [5 => 1], [6 => 42.5]]], ['', '[{"c":1}]', [[['c' => 1]]]], ['', '[{"c":1},"string",{"d":2},false]', [[0 => ['c' => 1]], [1 => 'string'], [2 => ['d' => 2]], [3 => false]]], ['', '[false,{"c":1},"string",{"d":2}]', [[0 => false], [1 => ['c' => 1]], [2 => 'string'], [3 => ['d' => 2]]]], ['', '[{"c":1,"d":2}]', [[['c' => 1, 'd' => 2]]]], ['/', '{"":{"c":1,"d":2}}', [['c' => 1], ['d' => 2]]], ['/~0', '{"~":{"c":1,"d":2}}', [['c' => 1], ['d' => 2]]], ['/~1', '{"/":{"c":1,"d":2}}', [['c' => 1], ['d' => 2]]], ['/~01', '{"~1":{"c":1,"d":2}}', [['c' => 1], ['d' => 2]]], ['/~00', '{"~0":{"c":1,"d":2}}', [['c' => 1], ['d' => 2]]], ['/path', '{"path":{"c":1,"d":2}}', [['c' => 1], ['d' => 2]]], ['/path', '{"no":[null], "path":{"c":1,"d":2}}', [['c' => 1], ['d' => 2]]], ['/0', '[{"c":1,"d":2}, [null]]', [['c' => 1], ['d' => 2]]], ['/0/path', '[{"path":{"c":1,"d":2}}]', [['c' => 1], ['d' => 2]]], ['/1/path', '[[null], {"path":{"c":1,"d":2}}]', [['c' => 1], ['d' => 2]]], ['/path/0', '{"path":[{"c":1,"d":2}, [null]]}', [['c' => 1], ['d' => 2]]], ['/path/1', '{"path":[null,{"c":1,"d":2}, [null]]}', [['c' => 1], ['d' => 2]]], ['/path/to', '{"path":{"to":{"c":1,"d":2}}}', [['c' => 1], ['d' => 2]]], ['/path/after-vector', '{"path":{"array":[],"after-vector":{"c":1,"d":2}}}', [['c' => 1], ['d' => 2]]], ['/path/after-vector', '{"path":{"array":["item"],"after-vector":{"c":1,"d":2}}}', [['c' => 1], ['d' => 2]]], ['/path/after-vector', '{"path":{"object":{"item":null},"after-vector":{"c":1,"d":2}}}', [['c' => 1], ['d' => 2]]], ['/path/after-vectors', '{"path":{"array":[],"object":{},"after-vectors":{"c":1,"d":2}}}', [['c' => 1], ['d' => 2]]], ['/0/0', '[{"0":{"c":1,"d":2}}]', [['c' => 1], ['d' => 2]]], ['/1/1', '[0,{"1":{"c":1,"d":2}}]', [['c' => 1], ['d' => 2]]], 'PR-19-FIX' => ['/datafeed/programs/1', file_get_contents(__DIR__.'/PR-19-FIX.json'), [['program_info' => ['id' => 'X1']]]], 'ISSUE-41-FIX' => ['/path', '{"path":[{"empty":{}},{"value":1}]}', [[['empty' => []]], [1 => ['value' => 1]]]], ['/-', '[{"one": 1,"two": 2},{"three": 3,"four": 4}]', [['one' => 1], ['two' => 2], ['three' => 3], ['four' => 4]]], ['/zero/-', '{"zero":[{"one": 1,"two": 2},{"three": 3,"four": 4}]}', [['one' => 1], ['two' => 2], ['three' => 3], ['four' => 4]]], ['/zero/-/three', '{"zero":[{"one": 1,"two": 2},{"three": 3,"four": 4}]}', [['three' => 3]]], 'ISSUE-62#1' => ['/-/id', '[ {"id":125}, {"id":785}, {"id":459}, {"id":853} ]', [['id' => 125], ['id' => 785], ['id' => 459], ['id' => 853]]], 'ISSUE-62#2' => ['/key/-/id', '{"key": [ {"id":125}, {"id":785}, {"id":459}, {"id":853} ]}', [['id' => 125], ['id' => 785], ['id' => 459], ['id' => 853]]], [ ['/meta_data', '/data/companies'], '{"meta_data": {"total_rows": 2},"data": {"type": "companies","companies": [{"id": "1","company": "Company 1"},{"id": "2","company": "Company 2"}]}}', [ ['total_rows' => 2], ['0' => ['id' => '1', 'company' => 'Company 1']], ['1' => ['id' => '2', 'company' => 'Company 2']], ], ], [ ['/-/id', '/-/company'], '[{"id": "1","company": "Company 1"},{"id": "2","company": "Company 2"}]', [ ['id' => '1'], ['company' => 'Company 1'], ['id' => '2'], ['company' => 'Company 2'], ], ], [ ['/-/id', '/0/company'], '[{"id": "1","company": "Company 1"},{"id": "2","company": "Company 2"}]', [ ['id' => '1'], ['company' => 'Company 1'], ['id' => '2'], ], ], ]; } /* * @dataProvider data_testThrowsOnNotFoundJsonPointer * * @param string $json * @param string $jsonPointer / public function testThrowsOnNotFoundJsonPointer($json, $jsonPointer) { $parser = $this->createParser($json, $jsonPointer); $this->expectException(PathNotFoundException::class); $this->expectExceptionMessage("Paths '".implode(', ', (array) $jsonPointer)."' were not found in json stream."); iterator_to_array($parser); } public function data_testThrowsOnNotFoundJsonPointer() { return [ 'non existing pointer' => ['{}', '/not/found'], "empty string should not match '0'" => ['{"0":[]}', '/'], 'empty string should not match 0' => ['[[]]', '/'], '0 should not match empty string' => ['{"":[]}', '/0'], ]; } /* * @dataProvider data_testSyntaxError * * @param string $malformedJson / public function testSyntaxError($malformedJson) { $this->expectException(SyntaxErrorException::class); iterator_to_array($this->createParser($malformedJson)); } public function data_testSyntaxError() { return [ ['[}'], ['{]'], ['null'], ['true'], ['false'], ['0'], ['100'], ['"string"'], ['}'], [']'], [','], [':'], [''], ['[null null]'], ['["string" "string"]'], ['[,"string","string"]'], ['["string",,"string"]'], ['["string","string",]'], ['["string",1eeee1]'], ['{"key\u000Z": "non hex key"}'], ]; } /* * @dataProvider data_testUnexpectedEndError * * @param string $malformedJson / public function testUnexpectedEndError($malformedJson) { $this->expectException(UnexpectedEndSyntaxErrorException::class); iterator_to_array($this->createParser($malformedJson)); } public function data_testUnexpectedEndError() { return [ ['['], ['{'], ['["string"'], ['["string",'], ['[{"string":"string"}'], ['[{"string":"string"},'], ['[{"string":"string"},{'], ['[{"string":"string"},{"str'], ['[{"string":"string"},{"string"'], ['{"string"'], ['{"string":'], ['{"string":"string"'], ['{"string":["string","string"]'], ['{"string":["string","string"'], ['{"string":["string","string",'], ['{"string":["string","string","str'], ]; } public function testGeneratorQuitsAfterFirstFoundCollectionHasBeenFinished() { $json = ' { "results": [1], "other": [2], "results": [3] } '; $parser = $this->createParser($json, '/results'); $this->assertSame([1], iterator_to_array($parser)); } public function testScalarResult() { $result = $this->createParser('{"result":{"items": [1,2,3],"count": 3}}', '/result/count'); $this->assertSame([3], iterator_to_array($result)); } public function testScalarResultInArray() { $result = $this->createParser('{"result":[1,2,3]}', '/result/0'); $this->assertSame([1], iterator_to_array($result)); } public function testGeneratorQuitsAfterFirstScalarHasBeenFound() { $json = ' { "result": "one", "other": [2], "result": "three" } '; $parser = $this->createParser($json, '/result'); $this->assertSame(['result' => 'one'], iterator_to_array($parser)); } public function testGeneratorYieldsNestedValues() { $json = ' { "zero": [ { "one": "ignored", "two": [ { "three": 1 } ], "four": [ { "five": "ignored" } ] }, { "one": 1, "two": [ { "three": 2 }, { "three": 3 } ], "four": [ { "five": "ignored" } ] } ] } '; $parser = $this->createParser($json, '/zero/-/two/-/three'); $i = 0; $expectedKey = 'three'; $expectedValues = [1, 2, 3]; foreach ($parser as $key => $value) { $this->assertSame($expectedKey, $key); $this->assertSame($expectedValues[$i++], $value); } } private function createParser($json, $jsonPointer = '') { return new Parser(new Tokens(new \ArrayIterator([$json])), $jsonPointer, new ExtJsonDecoder(true)); } public function testDefaultDecodingStructureIsObject() { $items = new Parser(new Tokens(new StringChunks('[{"key": "value"}]'))); foreach ($items as $item) { $this->assertEquals((object) ['key' => 'value'], $item); } } /* * @dataProvider data_testGetCurrentJsonPointer / public function testGetCurrentJsonPointer($jsonPointer, string $json, array $currentJsonPointers) { $parser = $this->createParser($json, $jsonPointer); $i = 0; foreach ($parser as $value) { $this->assertEquals($currentJsonPointers[$i++], $parser->getCurrentJsonPointer()); } } public function data_testGetCurrentJsonPointer() { return [ ['', '{"c":1,"d":2}', ['', '']], ['/', '{"":{"c":1,"d":2}}', ['/', '/']], ['/~0', '{"~":{"c":1,"d":2}}', ['/~0', '/~0']], ['/~1', '{"/":{"c":1,"d":2}}', ['/~1', '/~1']], ['/~01', '{"~1":{"c":1,"d":2}}', ['/~01', '/~01']], ['/~00', '{"~0":{"c":1,"d":2}}', ['/~00', '/~00']], ['/~1/c', '{"/":{"c":[1,2],"d":2}}', ['/~1/c', '/~1/c']], ['/0', '[{"c":1,"d":2}, [null]]', ['/0', '/0']], ['/-', '[{"one": 1,"two": 2},{"three": 3,"four": 4}]', ['/0', '/0', '/1', '/1']], [ ['/two', '/four'], '{"one": [1,11], "two": [2,22], "three": [3,33], "four": [4,44]}', ['/two', '/two', '/four', '/four'], ], [ ['/-/two', '/-/one'], '[{"one": 1, "two": 2}, {"one": 1, "two": 2}]', ['/0/one', '/0/two', '/1/one', '/1/two'], ], ]; } /* * @dataProvider data_testGetMatchedJsonPointer */ public function testGetMatchedJsonPointer($jsonPointer, string $json, array $matchedJsonPointers) { $parser = $this->createParser($json, $jsonPointer); $i = 0; foreach ($parser as $value) { $this->assertEquals($matchedJsonPointers[$i++], $parser->getMatchedJsonPointer()); } } public function data_testGetMatchedJsonPointer() { return [ ['', '{"c":1,"d":2}', ['', '']], ['/', '{"":{"c":1,"d":2}}', ['/', '/']], ['/~0', '{"~":{"c":1,"d":2}}', ['/~0', '/~0']], ['/~1', '{"/":{"c":1,"d":2}}', ['/~1', '/~1']], ['/~01', '{"~1":{"c":1,"d":2}}', ['/~01', '/~01']], ['/~00', '{"~0":{"c":1,"d":2}}', ['/~00', '/~00']], ['/~1/c', '{"/":{"c":[1,2],"d":2}}', ['/~1/c', '/~1/c']], ['/0', '[{"c":1,"d":2}, [null]]', ['/0', '/0']], ['/-', '[{"one": 1,"two": 2},{"three": 3,"four": 4}]', ['/-', '/-', '/-', '/-']], [ ['/two', '/four'], '{"one": [1,11], "two": [2,22], "three": [3,33], "four": [4,44]}', ['/two', '/two', '/four', '/four'], ], [ ['/-/two', '/-/one'], '[{"one": 1, "two": 2}, {"one": 1, "two": 2}]', ['/-/one', '/-/two', '/-/one', '/-/two'], ], ]; } public function testGetCurrentJsonPointerThrowsWhenCalledOutsideOfALoop() { $this->expectException(JsonMachineException::class); $this->expectExceptionMessage('must be called inside a loop'); $parser = $this->createParser('[]'); $parser->getCurrentJsonPointer(); } public function testGetCurrentJsonPointerReturnsLiteralJsonPointer() { $parser = $this->createParser('{"\"key\\\\":"value"}', ['/\"key\\\\']); foreach ($parser as $key => $item) { $this->assertSame('/\"key\\\\', $parser->getCurrentJsonPointer()); } } public function testGetMatchedJsonPointerThrowsWhenCalledOutsideOfALoop() { $this->expectException(JsonMachineException::class); $this->expectExceptionMessage('must be called inside a loop'); $parser = $this->createParser('[]'); $parser->getMatchedJsonPointer(); } public function testGetMatchedJsonPointerReturnsLiteralMatch() { $parser = $this->createParser('{"\"key\\\\":"value"}', ['/\"key\\\\']); foreach ($parser as $key => $item) { $this->assertSame('/\"key\\\\', $parser->getMatchedJsonPointer()); } } public function testGetJsonPointers() { $parser = $this->createParser('{}', ['/one', '/two']); $this->assertSame(['/one', '/two'], $parser->getJsonPointers()); $parser = $this->createParser('{}'); $this->assertSame([''], $parser->getJsonPointers()); } public function testJsonPointerReferenceTokenMatchesJsonMemberNameLiterally() { $parser = $this->createParser('{"\\"key":"value"}', ['/\\"key']); foreach ($parser as $key => $item) { $this->assertSame('"key', $key); $this->assertSame('value', $item); } } public function testGetPositionReturnsCorrectPositionWithDebugEnabled() { $parser = new Parser(new TokensWithDebugging(['[ 1, "two", false ]'])); $expectedPosition = [5, 12, 19]; $this->assertSame(0, $parser->getPosition()); foreach ($parser as $index => $item) { $this->assertSame($expectedPosition[$index], $parser->getPosition(), "index:$index, item:$item"); } $this->assertSame(21, $parser->getPosition()); } public function testGetPositionReturns0WithDebugDisabled() { $parser = new Parser(new Tokens(['[ 1, "two", false ]'])); $this->assertSame(0, $parser->getPosition()); foreach ($parser as $index => $item) { $this->assertSame(0, $parser->getPosition()); } $this->assertSame(0, $parser->getPosition()); } public function testGetPositionThrowsIfTokensDoNotSupportGetPosition() { $parser = new Parser(new \ArrayObject()); $this->expectException(JsonMachineException::class); $parser->getPosition(); } }

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