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psalm/tests/Internal/Codebase/InternalCallMapHandlerTest.php
2022-11-06 00:59:55 -05:00

754 lines
24 KiB
PHP

<?php
namespace Psalm\Tests\Internal\Codebase;
use InvalidArgumentException;
use PHPUnit\Framework\AssertionFailedError;
use PHPUnit\Framework\ExpectationFailedException;
use Psalm\Codebase;
use Psalm\Internal\Analyzer\ProjectAnalyzer;
use Psalm\Internal\Codebase\InternalCallMapHandler;
use Psalm\Internal\Codebase\Reflection;
use Psalm\Internal\Provider\FakeFileProvider;
use Psalm\Internal\Provider\Providers;
use Psalm\Internal\Type\Comparator\UnionTypeComparator;
use Psalm\Tests\Internal\Provider\FakeParserCacheProvider;
use Psalm\Tests\TestCase;
use Psalm\Tests\TestConfig;
use Psalm\Type;
use ReflectionFunction;
use ReflectionParameter;
use ReflectionType;
use function array_shift;
use function class_exists;
use function count;
use function explode;
use function function_exists;
use function in_array;
use function is_array;
use function is_int;
use function json_encode;
use function preg_match;
use function print_r;
use function strcmp;
use function strncmp;
use function strpos;
use function substr;
use function version_compare;
use const PHP_MAJOR_VERSION;
use const PHP_MINOR_VERSION;
use const PHP_VERSION;
class InternalCallMapHandlerTest extends TestCase
{
/**
* Specify a function name as value, or a function name as key and
* an array containing the PHP versions in which to ignore this function as values.
* @var array<int|string, string|list<string>>
*/
private static $ignoredFunctions = [
'apcu_entry',
'array_multisort',
'bcdiv',
'bcmod',
'bcpowmod',
'bzdecompress',
'crypt',
'date_isodate_set',
'debug_zval_dump',
'deflate_add',
'dns_get_mx',
'easter_date',
'enchant_broker_describe',
'enchant_broker_dict_exists',
'enchant_broker_free',
'enchant_broker_free_dict',
'enchant_broker_get_dict_path',
'enchant_broker_get_error',
'enchant_broker_list_dicts',
'enchant_broker_request_dict',
'enchant_broker_request_pwl_dict',
'enchant_broker_set_dict_path',
'enchant_broker_set_ordering',
'enchant_dict_add_to_personal',
'enchant_dict_add_to_session',
'enchant_dict_check',
'enchant_dict_describe',
'enchant_dict_get_error',
'enchant_dict_is_in_session',
'enchant_dict_quick_check',
'enchant_dict_store_replacement',
'enchant_dict_suggest',
'get_headers',
'gmp_clrbit',
'gmp_div',
'gmp_setbit',
'gnupg_adddecryptkey',
'gnupg_addencryptkey',
'gnupg_addsignkey',
'gnupg_cleardecryptkeys',
'gnupg_clearencryptkeys',
'gnupg_clearsignkeys',
'gnupg_decrypt',
'gnupg_decryptverify',
'gnupg_encrypt',
'gnupg_encryptsign',
'gnupg_export',
'gnupg_geterror',
'gnupg_getprotocol',
'gnupg_import',
'gnupg_init',
'gnupg_keyinfo',
'gnupg_setarmor',
'gnupg_seterrormode',
'gnupg_setsignmode',
'gnupg_sign',
'gnupg_verify',
'hash_hmac_file',
'igbinary_unserialize',
'imagefilledpolygon',
'imagefilter',
'imagegd',
'imagegd2',
'imageopenpolygon',
'imagepolygon',
'imagerotate',
'imagesetinterpolation',
'imagettfbbox',
'imagettftext',
'imagexbm',
'imap_open',
'imap_rfc822_write_address',
'imap_sort',
'inflate_add',
'inflate_get_read_len',
'inflate_get_status',
'inotify_rm_watch',
'intlcal_from_date_time',
'intlcal_get_weekend_transition',
'intlgregcal_create_instance',
'intlgregcal_is_leap_year',
'intltz_create_enumeration',
'intltz_get_canonical_id',
'intltz_get_display_name',
'long2ip',
'lzf_compress',
'lzf_decompress',
'mail',
'mailparse_msg_extract_part',
'mailparse_msg_extract_part_file',
'mailparse_msg_extract_whole_part_file',
'mailparse_msg_free',
'mailparse_msg_get_part',
'mailparse_msg_get_part_data',
'mailparse_msg_get_structure',
'mailparse_msg_parse',
'mailparse_stream_encode',
'memcache_add',
'memcache_add_server',
'memcache_append',
'memcache_cas',
'memcache_close',
'memcache_connect',
'memcache_decrement',
'memcache_delete',
'memcache_flush',
'memcache_get_extended_stats',
'memcache_get_server_status',
'memcache_get_stats',
'memcache_get_version',
'memcache_increment',
'memcache_pconnect',
'memcache_prepend',
'memcache_replace',
'memcache_set',
'memcache_set_compress_threshold',
'memcache_set_failure_callback',
'memcache_set_server_params',
'mongodb\bson\tophp',
'msg_receive',
'msg_remove_queue',
'msg_send',
'msg_set_queue',
'msg_stat_queue',
'mysqli_poll',
'mysqli_real_connect',
'mysqli_stmt_bind_param',
'normalizer_get_raw_decomposition',
'oauth_get_sbs',
'oci_collection_append',
'oci_collection_assign',
'oci_collection_element_assign',
'oci_collection_element_get',
'oci_collection_max',
'oci_collection_size',
'oci_collection_trim',
'oci_fetch_object',
'oci_field_is_null',
'oci_field_name',
'oci_field_precision',
'oci_field_scale',
'oci_field_size',
'oci_field_type',
'oci_field_type_raw',
'oci_free_collection',
'oci_free_descriptor',
'oci_lob_append',
'oci_lob_eof',
'oci_lob_erase',
'oci_lob_export',
'oci_lob_flush',
'oci_lob_import',
'oci_lob_load',
'oci_lob_read',
'oci_lob_rewind',
'oci_lob_save',
'oci_lob_seek',
'oci_lob_size',
'oci_lob_tell',
'oci_lob_truncate',
'oci_lob_write',
'oci_register_taf_callback',
'oci_result',
'ocigetbufferinglob',
'ocisetbufferinglob',
'odbc_procedurecolumns',
'odbc_procedures',
'odbc_result',
'openssl_pkcs7_read',
'pg_exec',
'pg_fetch_all',
'pg_get_notify',
'pg_get_result',
'pg_pconnect',
'pg_select',
'pg_send_execute',
'preg_filter',
'preg_replace_callback_array',
'sapi_windows_cp_get',
'sem_acquire',
'sem_get',
'sem_release',
'sem_remove',
'shm_detach',
'shm_get_var',
'shm_has_var',
'shm_put_var',
'shm_remove',
'shm_remove_var',
'shmop_close',
'shmop_delete',
'shmop_read',
'shmop_size',
'shmop_write',
'snmp_set_enum_print',
'snmp_set_valueretrieval',
'snmpset',
'socket_addrinfo_lookup',
'socket_bind',
'socket_cmsg_space',
'socket_connect',
'socket_create_pair',
'socket_get_option',
'socket_getopt',
'socket_getpeername',
'socket_getsockname',
'socket_read',
'socket_recv',
'socket_recvfrom',
'socket_recvmsg',
'socket_select',
'socket_send',
'socket_sendmsg',
'socket_sendto',
'socket_set_blocking',
'socket_set_option',
'socket_setopt',
'socket_shutdown',
'socket_strerror',
'sodium_crypto_generichash',
'sodium_crypto_generichash_final',
'sodium_crypto_generichash_init',
'sodium_crypto_generichash_update',
'sodium_crypto_kx_client_session_keys',
'sodium_crypto_secretstream_xchacha20poly1305_rekey',
'sqlsrv_connect',
'sqlsrv_errors',
'sqlsrv_fetch_array',
'sqlsrv_fetch_object',
'sqlsrv_get_field',
'sqlsrv_prepare',
'sqlsrv_query',
'sqlsrv_server_info',
'ssh2_forward_accept',
'stomp_abort',
'stomp_ack',
'stomp_begin',
'stomp_commit',
'stomp_read_frame',
'stomp_send',
'stomp_set_read_timeout',
'stomp_subscribe',
'stomp_unsubscribe',
'stream_select' => ['8.0'],
'substr_replace',
'tidy_getopt',
'uopz_allow_exit',
'uopz_get_mock',
'uopz_get_property',
'uopz_get_return',
'uopz_get_static',
'uopz_set_mock',
'uopz_set_property',
'uopz_set_static',
'uopz_unset_mock',
'xdiff_file_bdiff',
'xdiff_file_bdiff_size',
'xdiff_file_diff',
'xdiff_file_diff_binary',
'xdiff_file_merge3',
'xdiff_file_rabdiff',
'xdiff_string_bdiff',
'xdiff_string_bdiff_size',
'xdiff_string_bpatch',
'xdiff_string_diff',
'xdiff_string_diff_binary',
'xdiff_string_merge3',
'xdiff_string_patch',
'xdiff_string_patch_binary',
'xdiff_string_rabdiff',
'xmlrpc_server_add_introspection_data',
'xmlrpc_server_call_method',
'xmlrpc_server_destroy',
'xmlrpc_server_register_introspection_callback',
'xmlrpc_server_register_method',
'yaml_emit',
'yaml_emit_file',
'zip_entry_close',
'zlib_encode',
];
/**
* List of function names to ignore only for return type checks.
*
* @var list<string>
*/
private static $ignoredReturnTypeOnlyFunctions = [
'bcsqrt',
'cal_from_jd',
'collator_get_strength',
'curl_multi_init',
'curl_multi_getcontent', // issue #8351
'date_add',
'date_date_set',
'date_diff',
'date_offset_get',
'date_parse',
'date_sub',
'date_sun_info',
'date_sunrise',
'date_sunset',
'date_time_set',
'date_timestamp_set',
'date_timezone_set',
'datefmt_set_lenient',
'deflate_init',
'enchant_broker_init',
'fgetcsv',
'filter_input_array',
'fpassthru',
'ftp_get_option',
'get_declared_traits',
'gmp_export',
'gmp_hamdist',
'gmp_import',
'gzeof',
'gzpassthru',
'iconv_get_encoding',
'imagecolorclosest',
'imagecolorclosestalpha',
'imagecolorclosesthwb',
'imagecolorexact',
'imagecolorexactalpha',
'imagecolorresolve',
'imagecolorresolvealpha',
'imagecolorset',
'imagecolorsforindex',
'imagecolorstotal',
'imagecolortransparent',
'imageloadfont',
'imagesx',
'imagesy',
'imap_mailboxmsginfo',
'imap_msgno',
'imap_num_recent',
'inflate_init',
'intlcal_get',
'intlcal_get_keyword_values_for_locale',
'intlgregcal_set_gregorian_change',
'intltz_get_offset',
'jddayofweek',
'jdtounix',
'ldap_count_entries',
'ldap_exop',
'ldap_get_attributes',
'mb_encoding_aliases',
'metaphone',
'msg_get_queue',
'mysqli_stmt_get_warnings',
'mysqli_stmt_insert_id',
'numfmt_create',
'ob_list_handlers',
'openssl_random_pseudo_bytes',
'openssl_spki_export',
'openssl_spki_export_challenge',
'pack',
'parse_url',
'passthru',
'pcntl_exec',
'pcntl_strerror',
'pg_port',
'pspell_config_create',
'pspell_new',
'pspell_new_config',
'pspell_new_personal',
'register_shutdown_function',
'rewinddir',
'shm_attach',
'shmop_open',
'simplexml_import_dom',
'sleep',
'snmp_set_oid_numeric_print',
'socket_import_stream',
'sodium_crypto_aead_chacha20poly1305_encrypt',
'sodium_crypto_aead_chacha20poly1305_ietf_encrypt',
'sodium_crypto_aead_xchacha20poly1305_ietf_encrypt',
'spl_autoload_functions',
'stream_bucket_new',
'stream_set_chunk_size',
'substr',
'substr_compare',
'timezone_abbreviations_list',
'timezone_offset_get',
'user_error',
'xml_get_current_byte_index',
'xml_get_current_column_number',
'xml_get_current_line_number',
'xml_get_error_code',
'xml_parser_get_option',
];
/**
*
* @var Codebase
*/
private static $codebase;
public static function setUpBeforeClass(): void
{
$project_analyzer = new ProjectAnalyzer(
new TestConfig(),
new Providers(
new FakeFileProvider(),
new FakeParserCacheProvider()
)
);
self::$codebase = $project_analyzer->getCodebase();
}
public function testIgnoresAreSortedAndUnique(): void
{
$previousFunction = "";
foreach (self::$ignoredFunctions as $key => $value) {
/** @var string */
$function = is_int($key) ? $value : $key;
$diff = strcmp($function, $previousFunction);
if ($diff <= 0) {
// faster debugging errors in tests
echo "\n" . $previousFunction . "\n" . $function . "\n";
}
$this->assertGreaterThan(0, $diff);
$previousFunction = $function;
}
}
public static function tearDownAfterClass(): void
{
self::$codebase = null;
}
/**
* @covers \Psalm\Internal\Codebase\InternalCallMapHandler::getCallMap
*/
public function testGetcallmapReturnsAValidCallmap(): void
{
$callMap = InternalCallMapHandler::getCallMap();
self::assertArrayKeysAreStrings($callMap, "Returned CallMap has non-string keys");
self::assertArrayValuesAreArrays($callMap, "Returned CallMap has non-array values");
foreach ($callMap as $function => $signature) {
self::assertArrayKeysAreZeroOrString($signature, "Function " . $function . " in returned CallMap has invalid keys");
self::assertArrayValuesAreStrings($signature, "Function " . $function . " in returned CallMap has non-string values");
foreach ($signature as $type) {
self::assertStringIsParsableType($type, "Function " . $function . " in returned CallMap contains invalid type declaration " . $type);
}
}
}
/**
*
* @return iterable<string, array{0: callable-string, 1: array<int|string, string>}>
*/
public function callMapEntryProvider(): iterable
{
/**
* This call is needed since InternalCallMapHandler uses the singleton that is initialized by it.
**/
new ProjectAnalyzer(
new TestConfig(),
new Providers(
new FakeFileProvider(),
new FakeParserCacheProvider()
)
);
$callMap = InternalCallMapHandler::getCallMap();
foreach ($callMap as $function => $entry) {
// Skip class methods
if (strpos($function, '::') !== false || !function_exists($function)) {
continue;
}
// Skip functions with alternate signatures
if (isset($callMap["$function'1"]) || preg_match("/\'\d$/", $function)) {
continue;
}
// if ($function != 'fprintf') continue;
yield "$function: " . json_encode($entry) => [$function, $entry];
}
}
/**
*/
private function isIgnored(string $functionName): bool
{
if (in_array($functionName, self::$ignoredFunctions)) {
return true;
}
if (isset(self::$ignoredFunctions[$functionName])
&& is_array(self::$ignoredFunctions[$functionName])
&& in_array(PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION, self::$ignoredFunctions[$functionName])) {
return true;
}
return false;
}
/**
*/
private function isReturnTypeOnlyIgnored(string $functionName): bool
{
return in_array($functionName, static::$ignoredReturnTypeOnlyFunctions, true);
}
/**
* @depends testIgnoresAreSortedAndUnique
* @depends testGetcallmapReturnsAValidCallmap
* @dataProvider callMapEntryProvider
* @coversNothing
* @psalm-param callable-string $functionName
* @param array<int|string, string> $callMapEntry
*/
public function testIgnoredFunctionsStillFail(string $functionName, array $callMapEntry): void
{
$functionIgnored = $this->isIgnored($functionName);
if (!$functionIgnored && !$this->isReturnTypeOnlyIgnored($functionName)) {
// Dummy assertion to mark it as passed
$this->assertTrue(true);
return;
}
$function = new ReflectionFunction($functionName);
/** @var string $entryReturnType */
$entryReturnType = array_shift($callMapEntry);
if ($functionIgnored) {
try {
/** @var array<string, string> $callMapEntry */
$this->assertEntryParameters($function, $callMapEntry);
$this->assertEntryReturnType($function, $entryReturnType);
} catch (AssertionFailedError $e) {
$this->assertTrue(true);
return;
} catch (ExpectationFailedException $e) {
$this->assertTrue(true);
return;
}
$this->fail("Remove '{$functionName}' from InternalCallMapHandlerTest::\$ignoredFunctions");
}
try {
$this->assertEntryReturnType($function, $entryReturnType);
} catch (AssertionFailedError $e) {
$this->assertTrue(true);
return;
} catch (ExpectationFailedException $e) {
$this->assertTrue(true);
return;
}
$this->fail("Remove '{$functionName}' from InternalCallMapHandlerTest::\$ignoredReturnTypeOnlyFunctions");
}
/**
* This function will test functions that are in the callmap AND currently defined
* @coversNothing
* @depends testGetcallmapReturnsAValidCallmap
* @depends testIgnoresAreSortedAndUnique
* @dataProvider callMapEntryProvider
* @psalm-param callable-string $functionName
* @param array<int|string, string> $callMapEntry
*/
public function testCallMapCompliesWithReflection(string $functionName, array $callMapEntry): void
{
if ($this->isIgnored($functionName)) {
$this->markTestSkipped("Function $functionName is ignored in config");
}
$function = new ReflectionFunction($functionName);
/** @var string $entryReturnType */
$entryReturnType = array_shift($callMapEntry);
/** @var array<string, string> $callMapEntry */
$this->assertEntryParameters($function, $callMapEntry);
if (!$this->isReturnTypeOnlyIgnored($functionName)) {
$this->assertEntryReturnType($function, $entryReturnType);
}
}
/**
*
* @param array<string, string> $entryParameters
*/
private function assertEntryParameters(ReflectionFunction $function, array $entryParameters): void
{
/**
* Parse the parameter names from the map.
* @var array<string, array{byRef: bool, refMode: 'rw'|'w', variadic: bool, optional: bool, type: string}>
*/
$normalizedEntries = [];
foreach ($entryParameters as $key => $entry) {
$normalizedKey = $key;
/**
*
* @var array{byRef: bool, refMode: 'rw'|'w', variadic: bool, optional: bool, type: string} $normalizedEntry
*/
$normalizedEntry = [
'variadic' => false,
'byRef' => false,
'optional' => false,
'type' => $entry,
];
if (strncmp($normalizedKey, '&', 1) === 0) {
$normalizedEntry['byRef'] = true;
$normalizedKey = substr($normalizedKey, 1);
}
if (strncmp($normalizedKey, '...', 3) === 0) {
$normalizedEntry['variadic'] = true;
$normalizedKey = substr($normalizedKey, 3);
}
// Read the reference mode
if ($normalizedEntry['byRef']) {
$parts = explode('_', $normalizedKey, 2);
if (count($parts) === 2) {
$normalizedEntry['refMode'] = $parts[0];
$normalizedKey = $parts[1];
} else {
$normalizedEntry['refMode'] = 'rw';
}
}
// Strip prefixes.
if (substr($normalizedKey, -1, 1) === "=") {
$normalizedEntry['optional'] = true;
$normalizedKey = substr($normalizedKey, 0, -1);
}
$normalizedEntry['name'] = $normalizedKey;
$normalizedEntries[$normalizedKey] = $normalizedEntry;
}
foreach ($function->getParameters() as $parameter) {
$this->assertArrayHasKey($parameter->getName(), $normalizedEntries, "Callmap is missing entry for param {$parameter->getName()} in {$function->getName()}: " . print_r($normalizedEntries, true));
$this->assertParameter($normalizedEntries[$parameter->getName()], $parameter);
}
}
/**
*
* @param array{byRef: bool, refMode: 'rw'|'w', variadic: bool, optional: bool, type: string} $normalizedEntry
*/
private function assertParameter(array $normalizedEntry, ReflectionParameter $param): void
{
$name = $param->getName();
$this->assertSame($param->isOptional(), $normalizedEntry['optional'], "Expected param '{$name}' to " . ($param->isOptional() ? "be" : "not be") . " optional");
$this->assertSame($param->isVariadic(), $normalizedEntry['variadic'], "Expected param '{$name}' to " . ($param->isVariadic() ? "be" : "not be") . " variadic");
$this->assertSame($param->isPassedByReference(), $normalizedEntry['byRef'], "Expected param '{$name}' to " . ($param->isPassedByReference() ? "be" : "not be") . " by reference");
$expectedType = $param->getType();
if (isset($expectedType) && !empty($normalizedEntry['type'])) {
$this->assertTypeValidity($expectedType, $normalizedEntry['type'], false, "Param '{$name}' has incorrect type");
}
}
/**
*
* @psalm-suppress UndefinedMethod
*/
public function assertEntryReturnType(ReflectionFunction $function, string $entryReturnType): void
{
if (version_compare(PHP_VERSION, '8.1.0', '>=')) {
/** @var ReflectionType|null $expectedType */
$expectedType = $function->hasTentativeReturnType() ? $function->getTentativeReturnType() : $function->getReturnType();
} else {
$expectedType = $function->getReturnType();
}
if ($expectedType !== null) {
$this->assertTypeValidity($expectedType, $entryReturnType, true, 'CallMap entry has incorrect return type');
} else {
$this->assertNotEmpty($entryReturnType);
}
}
/**
* Since string equality is too strict, we do some extra checking here
*/
private function assertTypeValidity(ReflectionType $reflected, string $specified, bool $checkNullable, string $message): void
{
$expectedType = Reflection::getPsalmTypeFromReflectionType($reflected);
$callMapType = Type::parseString($specified);
try {
$this->assertTrue(UnionTypeComparator::isContainedBy(self::$codebase, $callMapType, $expectedType), $message);
} catch (InvalidArgumentException $e) {
if (preg_match('/^Could not get class storage for (.*)$/', $e->getMessage(), $matches)
&& !class_exists($matches[1])
) {
$this->fail("Class used in CallMap does not exist: {$matches[1]}");
}
}
// Reflection::getPsalmTypeFromReflectionType adds |null to mixed types so skip comparison
if ($checkNullable && !$expectedType->hasMixed()) {
$this->assertSame($expectedType->isNullable(), $callMapType->isNullable(), $message);
}
}
}