fe9863fd55
Out of 140 tests of this file, 131 one of them are pure unit test Let's keep the 9 in the original file and move the rest Bug: T87781 Change-Id: I86dfe17f794c615048b3c20487b0e84d38d13b93
362 lines
8.8 KiB
PHP
362 lines
8.8 KiB
PHP
<?php
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/**
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* @covers FormatJson
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*/
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class FormatJsonUnitTest extends MediaWikiUnitTestCase {
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public static function provideEncoderPrettyPrinting() {
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return [
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// Four spaces
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[ true, ' ' ],
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[ ' ', ' ' ],
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// Two spaces
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[ ' ', ' ' ],
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// One tab
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[ "\t", "\t" ],
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];
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}
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/**
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* @dataProvider provideEncoderPrettyPrinting
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*/
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public function testEncoderPrettyPrinting( $pretty, $expectedIndent ) {
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$obj = [
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'emptyObject' => new stdClass,
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'emptyArray' => [],
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'string' => 'foobar\\',
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'filledArray' => [
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[
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123,
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456,
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],
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// Nested json works without problems
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'"7":["8",{"9":"10"}]',
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// Whitespace clean up doesn't touch strings that look alike
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"{\n\t\"emptyObject\": {\n\t},\n\t\"emptyArray\": [ ]\n}",
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],
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];
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// No trailing whitespace, no trailing linefeed
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$json = '{
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"emptyObject": {},
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"emptyArray": [],
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"string": "foobar\\\\",
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"filledArray": [
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[
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123,
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456
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],
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"\"7\":[\"8\",{\"9\":\"10\"}]",
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"{\n\t\"emptyObject\": {\n\t},\n\t\"emptyArray\": [ ]\n}"
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]
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}';
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$json = str_replace( "\r", '', $json ); // Windows compat
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$json = str_replace( "\t", $expectedIndent, $json );
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$this->assertSame( $json, FormatJson::encode( $obj, $pretty ) );
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}
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public static function provideEncodeDefault() {
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return self::getEncodeTestCases( [] );
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}
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/**
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* @dataProvider provideEncodeDefault
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*/
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public function testEncodeDefault( $from, $to ) {
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$this->assertSame( $to, FormatJson::encode( $from ) );
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}
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public static function provideEncodeUtf8() {
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return self::getEncodeTestCases( [ 'unicode' ] );
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}
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/**
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* @dataProvider provideEncodeUtf8
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*/
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public function testEncodeUtf8( $from, $to ) {
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$this->assertSame( $to, FormatJson::encode( $from, false, FormatJson::UTF8_OK ) );
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}
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public static function provideEncodeXmlMeta() {
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return self::getEncodeTestCases( [ 'xmlmeta' ] );
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}
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/**
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* @dataProvider provideEncodeXmlMeta
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*/
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public function testEncodeXmlMeta( $from, $to ) {
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$this->assertSame( $to, FormatJson::encode( $from, false, FormatJson::XMLMETA_OK ) );
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}
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public static function provideEncodeAllOk() {
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return self::getEncodeTestCases( [ 'unicode', 'xmlmeta' ] );
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}
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/**
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* @dataProvider provideEncodeAllOk
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*/
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public function testEncodeAllOk( $from, $to ) {
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$this->assertSame( $to, FormatJson::encode( $from, false, FormatJson::ALL_OK ) );
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}
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public function testEncodePhpBug46944() {
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$this->assertNotEquals(
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'\ud840\udc00',
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strtolower( FormatJson::encode( "\xf0\xa0\x80\x80" ) ),
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'Test encoding an broken json_encode character (U+20000)'
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);
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}
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public function testEncodeFail() {
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// Set up a recursive object that can't be encoded.
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$a = new stdClass;
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$b = new stdClass;
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$a->b = $b;
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$b->a = $a;
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$this->assertFalse( FormatJson::encode( $a ) );
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}
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public function testDecodeReturnType() {
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$this->assertInternalType(
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'object',
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FormatJson::decode( '{"Name": "Cheeso", "Rank": 7}' ),
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'Default to object'
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);
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$this->assertInternalType(
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'array',
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FormatJson::decode( '{"Name": "Cheeso", "Rank": 7}', true ),
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'Optional array'
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);
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}
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public static function provideParse() {
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return [
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[ null ],
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[ true ],
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[ false ],
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[ 0 ],
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[ 1 ],
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[ 1.2 ],
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[ '' ],
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[ 'str' ],
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[ [ 0, 1, 2 ] ],
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[ [ 'a' => 'b' ] ],
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[ [ 'a' => 'b' ] ],
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[ [ 'a' => 'b', 'x' => [ 'c' => 'd' ] ] ],
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];
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}
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/**
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* Recursively convert arrays into stdClass
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* @param array|string|bool|int|float|null $value
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* @return stdClass|string|bool|int|float|null
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*/
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public static function toObject( $value ) {
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return !is_array( $value ) ? $value : (object)array_map( __METHOD__, $value );
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}
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/**
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* @dataProvider provideParse
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* @param mixed $value
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*/
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public function testParse( $value ) {
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$expected = self::toObject( $value );
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$json = FormatJson::encode( $expected, false, FormatJson::ALL_OK );
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$this->assertJson( $json );
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$st = FormatJson::parse( $json );
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$this->assertInstanceOf( Status::class, $st );
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$this->assertTrue( $st->isGood() );
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$this->assertEquals( $expected, $st->getValue() );
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$st = FormatJson::parse( $json, FormatJson::FORCE_ASSOC );
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$this->assertInstanceOf( Status::class, $st );
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$this->assertTrue( $st->isGood() );
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$this->assertEquals( $value, $st->getValue() );
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}
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public static function provideParseErrors() {
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return [
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[ 'aaa' ],
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[ '{"j": 1 ] }' ],
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];
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}
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/**
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* @dataProvider provideParseErrors
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* @param mixed $value
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*/
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public function testParseErrors( $value ) {
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$st = FormatJson::parse( $value );
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$this->assertInstanceOf( Status::class, $st );
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$this->assertFalse( $st->isOK() );
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}
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public function provideStripComments() {
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return [
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[ '{"a":"b"}', '{"a":"b"}' ],
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[ "{\"a\":\"b\"}\n", "{\"a\":\"b\"}\n" ],
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[ '/*c*/{"c":"b"}', '{"c":"b"}' ],
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[ '{"a":"c"}/*c*/', '{"a":"c"}' ],
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[ '/*c//d*/{"c":"b"}', '{"c":"b"}' ],
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[ '{/*c*/"c":"b"}', '{"c":"b"}' ],
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[ "/*\nc\r\n*/{\"c\":\"b\"}", '{"c":"b"}' ],
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[ "//c\n{\"c\":\"b\"}", '{"c":"b"}' ],
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[ "//c\r\n{\"c\":\"b\"}", '{"c":"b"}' ],
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[ '{"a":"c"}//c', '{"a":"c"}' ],
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[ "{\"a-c\"://c\n\"b\"}", '{"a-c":"b"}' ],
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[ '{"/*a":"b"}', '{"/*a":"b"}' ],
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[ '{"a":"//b"}', '{"a":"//b"}' ],
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[ '{"a":"b/*c*/"}', '{"a":"b/*c*/"}' ],
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[ "{\"\\\"/*a\":\"b\"}", "{\"\\\"/*a\":\"b\"}" ],
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[ '', '' ],
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[ '/*c', '' ],
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[ '//c', '' ],
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[ '"http://example.com"', '"http://example.com"' ],
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[ "\0", "\0" ],
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[ '"Blåbærsyltetøy"', '"Blåbærsyltetøy"' ],
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];
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}
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/**
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* @covers FormatJson::stripComments
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* @dataProvider provideStripComments
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* @param string $json
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* @param string $expect
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*/
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public function testStripComments( $json, $expect ) {
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$this->assertSame( $expect, FormatJson::stripComments( $json ) );
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}
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public function provideParseStripComments() {
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return [
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[ '/* blah */true', true ],
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[ "// blah \ntrue", true ],
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[ '[ "a" , /* blah */ "b" ]', [ 'a', 'b' ] ],
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];
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}
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/**
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* @covers FormatJson::parse
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* @covers FormatJson::stripComments
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* @dataProvider provideParseStripComments
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* @param string $json
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* @param mixed $expect
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*/
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public function testParseStripComments( $json, $expect ) {
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$st = FormatJson::parse( $json, FormatJson::STRIP_COMMENTS );
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$this->assertInstanceOf( Status::class, $st );
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$this->assertTrue( $st->isGood() );
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$this->assertEquals( $expect, $st->getValue() );
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}
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/**
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* Generate a set of test cases for a particular combination of encoder options.
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*
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* @param array $unescapedGroups List of character groups to leave unescaped
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* @return array Arrays of unencoded strings and corresponding encoded strings
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*/
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private static function getEncodeTestCases( array $unescapedGroups ) {
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$groups = [
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'always' => [
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// Forward slash (always unescaped)
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'/' => '/',
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// Control characters
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"\0" => '\u0000',
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"\x08" => '\b',
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"\t" => '\t',
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"\n" => '\n',
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"\r" => '\r',
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"\f" => '\f',
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"\x1f" => '\u001f', // representative example
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// Double quotes
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'"' => '\"',
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// Backslashes
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'\\' => '\\\\',
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'\\\\' => '\\\\\\\\',
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'\\u00e9' => '\\\u00e9', // security check for Unicode unescaping
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// Line terminators
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"\xe2\x80\xa8" => '\u2028',
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"\xe2\x80\xa9" => '\u2029',
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],
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'unicode' => [
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"\xc3\xa9" => '\u00e9',
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"\xf0\x9d\x92\x9e" => '\ud835\udc9e', // U+1D49E, outside the BMP
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],
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'xmlmeta' => [
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'<' => '\u003C', // JSON_HEX_TAG uses uppercase hex digits
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'>' => '\u003E',
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'&' => '\u0026',
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],
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];
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$cases = [];
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foreach ( $groups as $name => $rules ) {
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$leaveUnescaped = in_array( $name, $unescapedGroups );
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foreach ( $rules as $from => $to ) {
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$cases[] = [ $from, '"' . ( $leaveUnescaped ? $from : $to ) . '"' ];
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}
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}
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return $cases;
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}
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public function provideEmptyJsonKeyStrings() {
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return [
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[
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'{"":"foo"}',
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'{"":"foo"}',
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''
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],
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[
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'{"_empty_":"foo"}',
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'{"_empty_":"foo"}',
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'_empty_' ],
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[
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'{"\u005F\u0065\u006D\u0070\u0074\u0079\u005F":"foo"}',
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'{"_empty_":"foo"}',
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'_empty_'
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],
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[
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'{"_empty_":"bar","":"foo"}',
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'{"_empty_":"bar","":"foo"}',
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''
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],
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[
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'{"":"bar","_empty_":"foo"}',
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'{"":"bar","_empty_":"foo"}',
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'_empty_'
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]
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];
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}
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/**
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* @covers FormatJson::encode
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* @covers FormatJson::decode
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* @dataProvider provideEmptyJsonKeyStrings
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* @param string $json
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*
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* Decoding behavior with empty keys can be surprising.
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* See https://phabricator.wikimedia.org/T206411
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*/
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public function testEmptyJsonKeyArray( $json, $expect, $php71Name ) {
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// Decoding to array is consistent across supported PHP versions
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$this->assertSame( $expect, FormatJson::encode(
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FormatJson::decode( $json, true ) ) );
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// Decoding to object differs between supported PHP versions
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$obj = FormatJson::decode( $json );
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if ( version_compare( PHP_VERSION, '7.1', '<' ) ) {
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$this->assertEquals( 'foo', $obj->_empty_ );
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} else {
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$this->assertEquals( 'foo', $obj->{$php71Name} );
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}
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}
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}
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