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

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<?php declare(strict_types=1);
/*
* 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(): void
{
$json = '{
"foo": "bar",
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectExtraCommaInArray(): void
{
$json = '{
"foo": [
"bar",
]
}';
$this->expectParseException('Parse error on line 3', $json);
}
public function testParseErrorDetectUnescapedBackslash(): void
{
$json = '{
"fo\o": "bar"
}';
$this->expectParseException('Parse error on line 1', $json);
}
public function testParseErrorSkipsEscapedBackslash(): void
{
$json = '{
"fo\\\\o": "bar"
"a": "b"
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectSingleQuotes(): void
{
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(): void
{
$json = '{
foo: "bar"
}';
$this->expectParseException('Parse error on line 1', $json);
}
public function testParseErrorDetectArrayAsHash(): void
{
$json = '{
"foo": ["bar": "baz"]
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectMissingComma(): void
{
$json = '{
"foo": "bar"
"bar": "foo"
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testSchemaValidation(): void
{
self::expectNotToPerformAssertions();
$json = new JsonFile(__DIR__.'/Fixtures/composer.json');
$json->validateSchema();
$json->validateSchema(JsonFile::LAX_SCHEMA);
}
public function testSchemaValidationError(): void
{
$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 $e) {
self::assertEquals($expectedMessage, $e->getMessage());
self::assertContains($expectedError, $e->getErrors());
}
try {
$json->validateSchema(JsonFile::LAX_SCHEMA);
$this->fail('Expected exception to be thrown (lax)');
} catch (JsonValidationException $e) {
self::assertEquals($expectedMessage, $e->getMessage());
self::assertContains($expectedError, $e->getErrors());
}
unlink($file);
}
public function testSchemaValidationLaxAdditionalProperties(): void
{
$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) {
self::assertEquals(sprintf('"%s" does not match the expected JSON schema', $file), $e->getMessage());
self::assertEquals(['The property foo is not defined and the definition does not allow additional properties'], $e->getErrors());
}
$json->validateSchema(JsonFile::LAX_SCHEMA);
unlink($file);
}
public function testSchemaValidationLaxRequired(): void
{
$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 $e) {
self::assertEquals($expectedMessage, $e->getMessage());
$errors = $e->getErrors();
self::assertContains('name : The property name is required', $errors);
self::assertContains('description : The property description is required', $errors);
}
$json->validateSchema(JsonFile::LAX_SCHEMA);
file_put_contents($file, '{ "name": "vendor/package" }');
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
self::assertEquals($expectedMessage, $e->getMessage());
self::assertEquals(['description : The property description is required'], $e->getErrors());
}
$json->validateSchema(JsonFile::LAX_SCHEMA);
file_put_contents($file, '{ "description": "generic description" }');
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
self::assertEquals($expectedMessage, $e->getMessage());
self::assertEquals(['name : The property name is required'], $e->getErrors());
}
$json->validateSchema(JsonFile::LAX_SCHEMA);
file_put_contents($file, '{ "type": "library" }');
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
self::assertEquals($expectedMessage, $e->getMessage());
$errors = $e->getErrors();
self::assertContains('name : The property name is required', $errors);
self::assertContains('description : The property description is required', $errors);
}
$json->validateSchema(JsonFile::LAX_SCHEMA);
file_put_contents($file, '{ "type": "project" }');
try {
$json->validateSchema();
$this->fail('Expected exception to be thrown (strict)');
} catch (JsonValidationException $e) {
self::assertEquals($expectedMessage, $e->getMessage());
$errors = $e->getErrors();
self::assertContains('name : The property name is required', $errors);
self::assertContains('description : The property description is required', $errors);
}
$json->validateSchema(JsonFile::LAX_SCHEMA);
file_put_contents($file, '{ "name": "vendor/package", "description": "generic description" }');
$json->validateSchema();
$json->validateSchema(JsonFile::LAX_SCHEMA);
unlink($file);
}
public function testCustomSchemaValidationLax(): void
{
self::expectNotToPerformAssertions();
$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);
$json->validateSchema(JsonFile::LAX_SCHEMA, $schema);
unlink($file);
unlink($schema);
}
public function testCustomSchemaValidationStrict(): void
{
self::expectNotToPerformAssertions();
$file = $this->createTempFile();
file_put_contents($file, '{ "custom": "property" }');
$schema = $this->createTempFile();
file_put_contents($schema, '{ "properties": { "custom": { "type": "string" }}}');
$json = new JsonFile($file);
$json->validateSchema(JsonFile::STRICT_SCHEMA, $schema);
unlink($file);
unlink($schema);
}
public function testAuthSchemaValidationWithCustomDataSource(): void
{
$json = json_decode('{"github-oauth": "foo"}');
$expectedMessage = sprintf('"COMPOSER_AUTH" does not match the expected JSON schema');
$expectedError = 'github-oauth : String value found, but an object is required';
try {
JsonFile::validateJsonSchema('COMPOSER_AUTH', $json, JsonFile::AUTH_SCHEMA);
$this->fail('Expected exception to be thrown');
} catch (JsonValidationException $e) {
self::assertEquals($expectedMessage, $e->getMessage());
self::assertSame([$expectedError], $e->getErrors());
}
}
public function testParseErrorDetectMissingCommaMultiline(): void
{
$json = '{
"foo": "barbar"
"bar": "foo"
}';
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectMissingColon(): void
{
$json = '{
"foo": "bar",
"bar" "foo"
}';
$this->expectParseException('Parse error on line 3', $json);
}
public function testSimpleJsonString(): void
{
$data = ['name' => 'composer/composer'];
$json = '{
"name": "composer/composer"
}';
self::assertJsonFormat($json, $data);
}
public function testTrailingBackslash(): void
{
$data = ['Metadata\\' => 'src/'];
$json = '{
"Metadata\\\\": "src/"
}';
self::assertJsonFormat($json, $data);
}
public function testFormatEmptyArray(): void
{
$data = ['test' => [], 'test2' => new \stdClass];
$json = '{
"test": [],
"test2": {}
}';
self::assertJsonFormat($json, $data);
}
public function testEscape(): void
{
$data = ["Metadata\\\"" => 'src/'];
$json = '{
"Metadata\\\\\\"": "src/"
}';
self::assertJsonFormat($json, $data);
}
public function testUnicode(): void
{
$data = ["Žluťoučký \" kůň" => "úpěl ďábelské ódy za €"];
$json = '{
"Žluťoučký \" kůň": "úpěl ďábelské ódy za €"
}';
self::assertJsonFormat($json, $data);
}
public function testOnlyUnicode(): void
{
$data = "\\/ƌ";
self::assertJsonFormat('"\\\\\\/ƌ"', $data, JSON_UNESCAPED_UNICODE);
}
public function testEscapedSlashes(): void
{
$data = "\\/foo";
self::assertJsonFormat('"\\\\\\/foo"', $data, 0);
}
public function testEscapedBackslashes(): void
{
$data = "a\\b";
self::assertJsonFormat('"a\\\\b"', $data, 0);
}
public function testEscapedUnicode(): void
{
$data = "ƌ";
self::assertJsonFormat('"\\u018c"', $data, 0);
}
public function testDoubleEscapedUnicode(): void
{
$jsonFile = new JsonFile('composer.json');
$data = ["Zdjęcia","hjkjhl\\u0119kkjk"];
$encodedData = $jsonFile->encode($data);
$doubleEncodedData = $jsonFile->encode(['t' => $encodedData]);
$decodedData = json_decode($doubleEncodedData, true);
$doubleData = json_decode($decodedData['t'], true);
self::assertEquals($data, $doubleData);
}
public function testPreserveIndentationAfterRead(): void
{
copy(__DIR__.'/Fixtures/tabs.json', __DIR__.'/Fixtures/tabs2.json');
$jsonFile = new JsonFile(__DIR__.'/Fixtures/tabs2.json');
$data = $jsonFile->read();
$jsonFile->write(['foo' => 'baz']);
self::assertSame("{\n\t\"foo\": \"baz\"\n}\n", file_get_contents(__DIR__.'/Fixtures/tabs2.json'));
unlink(__DIR__.'/Fixtures/tabs2.json');
}
public function testOverwritesIndentationByDefault(): void
{
copy(__DIR__.'/Fixtures/tabs.json', __DIR__.'/Fixtures/tabs2.json');
$jsonFile = new JsonFile(__DIR__.'/Fixtures/tabs2.json');
$jsonFile->write(['foo' => 'baz']);
self::assertSame("{\n \"foo\": \"baz\"\n}\n", file_get_contents(__DIR__.'/Fixtures/tabs2.json'));
unlink(__DIR__.'/Fixtures/tabs2.json');
}
private function expectParseException(string $text, string $json): void
{
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 $e) {
self::assertStringContainsString($text, $e->getMessage());
}
}
/**
* @param mixed $data
*/
private function assertJsonFormat(string $json, $data, ?int $options = null): void
{
$file = new JsonFile('composer.json');
$json = str_replace("\r", '', $json);
if (null === $options) {
self::assertEquals($json, $file->encode($data));
} else {
self::assertEquals($json, $file->encode($data, $options));
}
}
}
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