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psalm/tests/Internal/Codebase/InternalCallMapHandlerTest.php
2022-07-05 15:36:09 -05:00

598 lines
19 KiB
PHP

<?php
namespace Psalm\Tests\Internal\Codebase;
use InvalidArgumentException;
use PHPUnit\Framework\ExpectationFailedException;
use PHPUnit\Framework\SkippedTestError;
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 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 const PHP_MAJOR_VERSION;
use const PHP_MINOR_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',
'enum_exists',
'get_class_methods',
'get_headers',
'get_parent_class',
'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',
'imageinterlace',
'imageopenpolygon',
'imagepolygon',
'imagerotate',
'imagesetinterpolation',
'imagettfbbox',
'imagettftext',
'imagexbm',
'imap_delete',
'imap_open',
'imap_rfc822_write_address',
'imap_sort',
'imap_undelete',
'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',
'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',
];
/**
*
* @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;
$this->assertGreaterThan(0, strcmp($function, $previousFunction));
$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>}>
*/
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;
}
/**
* @depends testIgnoresAreSortedAndUnique
* @depends testGetcallmapReturnsAValidCallmap
* @dataProvider callMapEntryProvider
* @coversNothing
* @psalm-param callable-string $functionName
*/
public function testIgnoredFunctionsStillFail(string $functionName, array $callMapEntry): void
{
if (!$this->isIgnored($functionName)) {
// Dummy assertion to mark it as passed
$this->assertTrue(true);
return;
}
$this->expectException(ExpectationFailedException::class);
try {
unset($callMapEntry[0]);
/** @var array<string, string> $callMapEntry */
$this->assertEntryIsCorrect($callMapEntry, $functionName);
} catch (InvalidArgumentException $t) {
// Silence this one for now.
$this->markTestSkipped('IA');
} catch (SkippedTestError $t) {
die('this should not happen');
} catch (ExpectationFailedException $e) {
// This is good!
throw $e;
} catch (InvalidArgumentException $e) {
// This can happen if a class does not exist, we handle the message to check for this case.
if (preg_match('/^Could not get class storage for (.*)$/', $e->getMessage(), $matches)
&& !class_exists($matches[1])
) {
die("Class mentioned in callmap does not exist: " . $matches[1]);
}
}
$this->markTestIncomplete("Remove function '{$functionName}' from your ignores");
}
/**
* 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 $callMapEntry
*/
public function testCallMapCompliesWithReflection(string $functionName, array $callMapEntry): void
{
if ($this->isIgnored($functionName)) {
$this->markTestSkipped("Function $functionName is ignored in config");
}
unset($callMapEntry[0]);
/** @var array<string, string> $callMapEntry */
$this->assertEntryIsCorrect($callMapEntry, $functionName);
}
/**
*
* @param array<string, string> $callMapEntryWithoutReturn
* @psalm-param callable-string $functionName
*/
private function assertEntryIsCorrect(array $callMapEntryWithoutReturn, string $functionName): void
{
$rF = new ReflectionFunction($functionName);
/**
* Parse the parameter names from the map.
* @var array<string, array{byRef: bool, refMode: 'rw'|'w', variadic: bool, optional: bool, type: string}>
*/
$normalizedEntries = [];
foreach ($callMapEntryWithoutReturn 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] = $normalizedEntry;
}
foreach ($rF->getParameters() as $parameter) {
$this->assertArrayHasKey($parameter->getName(), $normalizedEntries, "Callmap is missing entry for param {$parameter->getName()} in $functionName: " . print_r($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, $normalizedEntry['type'], "Param '{$name}' has incorrect type");
}
}
/**
* Since string equality is too strict, we do some extra checking here
*/
private function assertTypeValidity(ReflectionType $reflected, string $specified, string $message): void
{
$expectedType = Reflection::getPsalmTypeFromReflectionType($reflected);
$parsedType = Type::parseString($specified);
try {
$this->assertTrue(UnionTypeComparator::isContainedBy(self::$codebase, $parsedType, $expectedType), $message);
} catch (InvalidArgumentException $e) {
if (preg_match('/^Could not get class storage for (.*)$/', $e->getMessage(), $matches)
&& !class_exists($matches[1])
) {
die("Class mentioned in callmap does not exist: " . $matches[1]);
}
}
}
}