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composer/tests/Composer/Test/Json/JsonFileTest.php

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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Test\Json;
use Seld\JsonLint\ParsingException;
use Composer\Json\JsonFile;
use Composer\Json\JsonValidationException;
use Composer\Test\TestCase;
class JsonFileTest extends TestCase
{
public function testParseErrorDetectExtraComma()
{
$json = '{
"foo": "bar",
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectExtraCommaInArray()
{
$json = '{
"foo": [
"bar",
]
}';
$this->expectParseException('Parse error on line 3', $json);
}
public function testParseErrorDetectUnescapedBackslash()
{
$json = '{
"fo\o": "bar"
}';
$this->expectParseException('Parse error on line 1', $json);
}
public function testParseErrorSkipsEscapedBackslash()
{
$json = '{
"fo\\\\o": "bar"
"a": "b"
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectSingleQuotes()
{
if (defined('JSON_PARSER_NOTSTRICT') && version_compare(phpversion('json'), '1.3.9', '<')) {
$this->markTestSkipped('jsonc issue, see https://github.com/remicollet/pecl-json-c/issues/23');
}
$json = '{
\'foo\': "bar"
}';
$this->expectParseException('Parse error on line 1', $json);
}
public function testParseErrorDetectMissingQuotes()
{
$json = '{
foo: "bar"
}';
$this->expectParseException('Parse error on line 1', $json);
}
public function testParseErrorDetectArrayAsHash()
{
$json = '{
"foo": ["bar": "baz"]
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectMissingComma()
{
$json = '{
"foo": "bar"
"bar": "foo"
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testSchemaValidation()
{
$json = new JsonFile(__DIR__.'/Fixtures/composer.json');
$this->assertTrue($json->validateSchema());
$this->assertTrue($json->validateSchema(JsonFile::LAX_SCHEMA));
}
public function testSchemaValidationError()
{
$file = $this->createTempFile();
file_put_contents($file, '{ "name": null }');
$json = new JsonFile($file);
$expectedMessage = sprintf('"%s" does not match the expected JSON schema', $file);
$expectedError = 'name : NULL value found, but a string is required';
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
$this->assertEquals($expectedMessage, $e->getMessage());
$this->assertContains($expectedError, $e->getErrors());
}
try {
$json->validateSchema(JsonFile::LAX_SCHEMA);
$this->fail('Expected exception to be thrown (lax)');
} catch (JsonValidationException $e) {
$this->assertEquals($expectedMessage, $e->getMessage());
$this->assertContains($expectedError, $e->getErrors());
}
unlink($file);
}
public function testSchemaValidationLaxAdditionalProperties()
{
$file = $this->createTempFile();
file_put_contents($file, '{ "name": "vendor/package", "description": "generic description", "foo": "bar" }');
$json = new JsonFile($file);
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
$this->assertEquals(sprintf('"%s" does not match the expected JSON schema', $file), $e->getMessage());
$this->assertEquals(array('The property foo is not defined and the definition does not allow additional properties'), $e->getErrors());
}
$this->assertTrue($json->validateSchema(JsonFile::LAX_SCHEMA));
unlink($file);
}
public function testSchemaValidationLaxRequired()
{
$file = $this->createTempFile();
$json = new JsonFile($file);
$expectedMessage = sprintf('"%s" does not match the expected JSON schema', $file);
file_put_contents($file, '{ }');
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
$this->assertEquals($expectedMessage, $e->getMessage());
$errors = $e->getErrors();
$this->assertContains('name : The property name is required', $errors);
$this->assertContains('description : The property description is required', $errors);
}
$this->assertTrue($json->validateSchema(JsonFile::LAX_SCHEMA));
file_put_contents($file, '{ "name": "vendor/package" }');
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
$this->assertEquals($expectedMessage, $e->getMessage());
$this->assertEquals(array('description : The property description is required'), $e->getErrors());
}
$this->assertTrue($json->validateSchema(JsonFile::LAX_SCHEMA));
file_put_contents($file, '{ "description": "generic description" }');
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
$this->assertEquals($expectedMessage, $e->getMessage());
$this->assertEquals(array('name : The property name is required'), $e->getErrors());
}
$this->assertTrue($json->validateSchema(JsonFile::LAX_SCHEMA));
file_put_contents($file, '{ "type": "library" }');
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
$this->assertEquals($expectedMessage, $e->getMessage());
$errors = $e->getErrors();
$this->assertContains('name : The property name is required', $errors);
$this->assertContains('description : The property description is required', $errors);
}
$this->assertTrue($json->validateSchema(JsonFile::LAX_SCHEMA));
file_put_contents($file, '{ "type": "project" }');
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
$this->assertEquals($expectedMessage, $e->getMessage());
$errors = $e->getErrors();
$this->assertContains('name : The property name is required', $errors);
$this->assertContains('description : The property description is required', $errors);
}
$this->assertTrue($json->validateSchema(JsonFile::LAX_SCHEMA));
file_put_contents($file, '{ "name": "vendor/package", "description": "generic description" }');
$this->assertTrue($json->validateSchema());
$this->assertTrue($json->validateSchema(JsonFile::LAX_SCHEMA));
unlink($file);
}
public function testCustomSchemaValidationLax()
{
$file = $this->createTempFile();
file_put_contents($file, '{ "custom": "property", "another custom": "property" }');
$schema = $this->createTempFile();
file_put_contents($schema, '{ "properties": { "custom": { "type": "string" }}}');
$json = new JsonFile($file);
$this->assertTrue($json->validateSchema(JsonFile::LAX_SCHEMA, $schema));
unlink($file);
unlink($schema);
}
public function testCustomSchemaValidationStrict()
{
$file = $this->createTempFile();
file_put_contents($file, '{ "custom": "property" }');
$schema = $this->createTempFile();
file_put_contents($schema, '{ "properties": { "custom": { "type": "string" }}}');
$json = new JsonFile($file);
$this->assertTrue($json->validateSchema(JsonFile::STRICT_SCHEMA, $schema));
unlink($file);
unlink($schema);
}
public function testParseErrorDetectMissingCommaMultiline()
{
$json = '{
"foo": "barbar"
"bar": "foo"
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectMissingColon()
{
$json = '{
"foo": "bar",
"bar" "foo"
}';
$this->expectParseException('Parse error on line 3', $json);
}
public function testSimpleJsonString()
{
$data = array('name' => 'composer/composer');
$json = '{
"name": "composer/composer"
}';
$this->assertJsonFormat($json, $data);
}
public function testTrailingBackslash()
{
$data = array('Metadata\\' => 'src/');
$json = '{
"Metadata\\\\": "src/"
}';
$this->assertJsonFormat($json, $data);
}
public function testFormatEmptyArray()
{
$data = array('test' => array(), 'test2' => new \stdClass);
$json = '{
"test": [],
"test2": {}
}';
$this->assertJsonFormat($json, $data);
}
public function testEscape()
{
$data = array("Metadata\\\"" => 'src/');
$json = '{
"Metadata\\\\\\"": "src/"
}';
$this->assertJsonFormat($json, $data);
}
public function testUnicode()
{
$data = array("Žluťoučký \" kůň" => "úpěl ďábelské ódy za €");
$json = '{
"Žluťoučký \" kůň": "úpěl ďábelské ódy za €"
}';
$this->assertJsonFormat($json, $data);
}
public function testOnlyUnicode()
{
$data = "\\/ƌ";
$this->assertJsonFormat('"\\\\\\/ƌ"', $data, JSON_UNESCAPED_UNICODE);
}
public function testEscapedSlashes()
{
$data = "\\/foo";
$this->assertJsonFormat('"\\\\\\/foo"', $data, 0);
}
public function testEscapedBackslashes()
{
$data = "a\\b";
$this->assertJsonFormat('"a\\\\b"', $data, 0);
}
public function testEscapedUnicode()
{
$data = "ƌ";
$this->assertJsonFormat('"\\u018c"', $data, 0);
}
public function testDoubleEscapedUnicode()
{
$jsonFile = new JsonFile('composer.json');
$data = array("Zdjęcia","hjkjhl\\u0119kkjk");
$encodedData = $jsonFile->encode($data);
$doubleEncodedData = $jsonFile->encode(array('t' => $encodedData));
$decodedData = json_decode($doubleEncodedData, true);
$doubleData = json_decode($decodedData['t'], true);
$this->assertEquals($data, $doubleData);
}
/**
* @param string $text
* @param string $json
* @return void
*/
private function expectParseException($text, $json)
{
try {
$result = JsonFile::parseJson($json);
$this->fail(sprintf("Parsing should have failed but didn't.\nExpected:\n\"%s\"\nFor:\n\"%s\"\nGot:\n\"%s\"", $text, $json, var_export($result, true)));
} catch (ParsingException $e) {
$this->assertStringContainsString($text, $e->getMessage());
}
}
/**
* @param string $json
* @param mixed $data
* @param int|null $options
* @return void
*/
private function assertJsonFormat($json, $data, $options = null)
{
$file = new JsonFile('composer.json');
$json = str_replace("\r", '', $json);
if (null === $options) {
$this->assertEquals($json, $file->encode($data));
} else {
$this->assertEquals($json, $file->encode($data, $options));
}
}
}
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