mirror of
https://github.com/danog/psalm.git
synced 2024-11-30 04:39:00 +01:00
11bc153deb
* Rewriting and streamlining every unit test with data providers. All unit tests have been rewritten into PHPUnit data providers to reduce the amount of unnecessary code-reuse through out the test suite.
539 lines
18 KiB
PHP
539 lines
18 KiB
PHP
<?php
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namespace Psalm\Tests;
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use Psalm\Checker\FileChecker;
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use Psalm\Context;
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class ArrayAssignmentTest extends TestCase
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{
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use Traits\FileCheckerInvalidCodeParseTestTrait;
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use Traits\FileCheckerValidCodeParseTestTrait;
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/**
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* @return void
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*/
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public function testConditionalAssignment()
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{
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$file_checker = new FileChecker(
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'somefile.php',
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$this->project_checker,
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self::$parser->parse('<?php
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if ($b) {
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$foo["a"] = "hello";
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}
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')
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);
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$context = new Context();
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$context->vars_in_scope['$b'] = \Psalm\Type::getBool();
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$context->vars_in_scope['$foo'] = \Psalm\Type::getArray();
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertFalse(isset($context->vars_in_scope['$foo[\'a\']']));
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}
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/**
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* @return void
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*/
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public function testImplementsArrayAccess()
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{
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$stmts = self::$parser->parse('<?php
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class A implements \ArrayAccess {
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public function offsetSet($offset, $value) : void {
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}
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public function offsetExists($offset) : bool {
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return true;
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}
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public function offsetUnset($offset) : void {
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}
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public function offsetGet($offset) : int {
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return 1;
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}
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}
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$a = new A();
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$a["bar"] = "cool";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context();
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('A', (string) $context->vars_in_scope['$a']);
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$this->assertFalse(isset($context->vars_in_scope['$a[\'bar\']']));
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}
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/**
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* @return array
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*/
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public function providerFileCheckerValidCodeParse()
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{
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return [
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'genericArrayCreation' => [
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'<?php
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$out = [];
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foreach ([1, 2, 3, 4, 5] as $value) {
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$out[] = 4;
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}',
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'assertions' => [
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['array<int, int>' => '$out']
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]
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],
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'generic2dArrayCreation' => [
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'<?php
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$out = [];
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foreach ([1, 2, 3, 4, 5] as $value) {
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$out[] = [4];
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}',
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'assertions' => [
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['array<int, array<int, int>>' => '$out']
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]
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],
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'generic2dArrayCreationAddedInIf' => [
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'<?php
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$out = [];
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$bits = [];
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foreach ([1, 2, 3, 4, 5] as $value) {
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if (rand(0,100) > 50) {
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$out[] = $bits;
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$bits = [];
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}
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$bits[] = 4;
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}
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if ($bits) {
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$out[] = $bits;
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}',
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'assertions' => [
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['array<int, array<int, int>>' => '$out']
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]
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],
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'genericArrayCreationWithObjectAddedInIf' => [
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'<?php
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class B {}
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$out = [];
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if (rand(0,10) === 10) {
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$out[] = new B();
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}',
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'assertions' => [
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['array<int, B>' => '$out']
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]
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],
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'genericArrayCreationWithElementAddedInSwitch' => [
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'<?php
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$out = [];
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switch (rand(0,10)) {
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case 5:
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$out[] = 4;
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break;
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case 6:
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// do nothing
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}',
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'assertions' => [
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['array<int, int>' => '$out']
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]
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],
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'genericArrayCreationWithElementsAddedInSwitch' => [
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'<?php
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$out = [];
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switch (rand(0,10)) {
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case 5:
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$out[] = 4;
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break;
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case 6:
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$out[] = "hello";
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break;
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}',
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'assertions' => [
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['array<int, int|string>' => '$out']
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]
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],
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'genericArrayCreationWithElementsAddedInSwitchWithNothing' => [
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'<?php
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$out = [];
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switch (rand(0,10)) {
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case 5:
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$out[] = 4;
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break;
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case 6:
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$out[] = "hello";
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break;
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case 7:
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// do nothing
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}',
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'assertions' => [
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['array<int, int|string>' => '$out']
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]
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],
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'implicitIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[] = "hello";',
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'assertions' => [
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['array<int, string>' => '$foo']
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]
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],
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'implicit2dIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[][] = "hello";',
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'assertions' => [
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['array<int, array<int, string>>' => '$foo']
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]
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],
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'implicit3dIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[][][] = "hello";',
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'assertions' => [
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['array<int, array<int, array<int, string>>>' => '$foo']
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]
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],
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'implicit4dIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[][][][] = "hello";',
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'assertions' => [
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['array<int, array<int, array<int, array<int, string>>>>' => '$foo']
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]
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],
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'implicitIndexedIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[0] = "hello";
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$foo[1] = "hello";
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$foo[2] = "hello";
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$bar = [0, 1, 2];
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$bat = [];
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foreach ($foo as $i => $text) {
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$bat[$text] = $bar[$i];
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}',
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'assertions' => [
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['array<int, string>' => '$foo'],
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['array<int, int>' => '$bar'],
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['array<string, int>' => '$bat']
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]
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],
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'implicitStringArrayCreation' => [
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'<?php
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$foo = [];
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$foo["bar"] = "hello";',
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'assertions' => [
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['array{bar:string}' => '$foo'],
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['string' => '$foo[\'bar\']']
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]
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],
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'implicit2dStringArrayCreation' => [
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'<?php
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$foo = [];
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$foo["bar"]["baz"] = "hello";',
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'assertions' => [
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['array{bar:array{baz:string}}' => '$foo'],
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['string' => '$foo[\'bar\'][\'baz\']']
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]
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],
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'implicit3dStringArrayCreation' => [
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'<?php
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$foo = [];
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$foo["bar"]["baz"]["bat"] = "hello";',
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'assertions' => [
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['array{bar:array{baz:array{bat:string}}}' => '$foo'],
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['string' => '$foo[\'bar\'][\'baz\'][\'bat\']']
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]
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],
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'implicit4dStringArrayCreation' => [
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'<?php
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$foo = [];
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$foo["bar"]["baz"]["bat"]["bap"] = "hello";',
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'assertions' => [
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['array{bar:array{baz:array{bat:array{bap:string}}}}' => '$foo'],
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['string' => '$foo[\'bar\'][\'baz\'][\'bat\'][\'bap\']']
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]
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],
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'2Step2dStringArrayCreation' => [
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'<?php
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$foo = ["bar" => []];
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$foo["bar"]["baz"] = "hello";',
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'assertions' => [
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['array{bar:array{baz:string}}' => '$foo'],
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['string' => '$foo[\'bar\'][\'baz\']']
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]
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],
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'2StepImplicit3dStringArrayCreation' => [
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'<?php
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$foo = ["bar" => []];
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$foo["bar"]["baz"]["bat"] = "hello";',
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'assertions' => [
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['array{bar:array{baz:array{bat:string}}}' => '$foo']
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]
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],
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'conflictingTypes' => [
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'<?php
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$foo = [
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"bar" => ["a" => "b"],
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"baz" => [1]
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];',
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'assertions' => [
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['array{bar:array{a:string}, baz:array<int, int>}' => '$foo']
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]
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],
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'implicitObjectLikeCreation' => [
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'<?php
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$foo = [
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"bar" => 1,
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];
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$foo["baz"] = "a";',
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'assertions' => [
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['array{bar:int, baz:string}' => '$foo']
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]
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],
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'conflictingTypesWithAssignment' => [
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'<?php
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$foo = [
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"bar" => ["a" => "b"],
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"baz" => [1]
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];
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$foo["bar"]["bam"]["baz"] = "hello";',
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'assertions' => [
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['array{bar:array{a:string, bam:array{baz:string}}, baz:array<int, int>}' => '$foo']
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]
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],
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'conflictingTypesWithAssignment2' => [
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'<?php
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$foo = [];
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$foo["a"] = "hello";
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$foo["b"][] = "goodbye";
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$bar = $foo["a"];',
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'assertions' => [
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['array{a:string, b:array<int, string>}' => '$foo'],
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['string' => '$foo[\'a\']'],
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['array<int, string>' => '$foo[\'b\']'],
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['string' => '$bar']
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]
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],
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'conflictingTypesWithAssignment3' => [
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'<?php
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$foo = [];
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$foo["a"] = "hello";
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$foo["b"]["c"]["d"] = "goodbye";',
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'assertions' => [
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['array{a:string, b:array{c:array{d:string}}}' => '$foo']
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]
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],
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'nestedObjectLikeAssignment' => [
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'<?php
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$foo = [];
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$foo["a"]["b"] = "hello";
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$foo["a"]["c"] = 1;',
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'assertions' => [
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['array{a:array{b:string, c:int}}' => '$foo']
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]
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],
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'conditionalObjectLikeAssignment' => [
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'<?php
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$foo = ["a" => "hello"];
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if (rand(0, 10) === 5) {
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$foo["b"] = 1;
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}
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else {
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$foo["b"] = 2;
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}',
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'assertions' => [
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['array{a:string, b:int}' => '$foo']
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]
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],
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'arrayKey' => [
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'<?php
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$a = ["foo", "bar"];
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$b = $a[0];
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$c = ["a" => "foo", "b"=> "bar"];
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$d = "a";
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$e = $a[$d];',
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'assertions' => [
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['string' => '$b'],
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['string' => '$e']
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]
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],
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'conditionalCheck' => [
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'<?php
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/**
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* @param array{b:string} $a
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* @return null|string
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*/
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function fooFoo($a) {
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if ($a["b"]) {
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return $a["b"];
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}
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}',
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'assertions' => []
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],
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'variableKeyArrayCreate' => [
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'<?php
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$a = [];
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$b = "boop";
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$a[$b][] = "bam";
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$c = [];
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$c[$b][$b][] = "bam";',
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'assertions' => [
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['array<string, array<int, string>>' => '$a'],
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['array<string, array<string, array<int, string>>>' => '$c']
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]
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],
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'assignExplicitValueToGeneric' => [
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'<?php
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/** @var array<string, array<string, string>> */
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$a = [];
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$a["foo"] = ["bar" => "baz"];',
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'assertions' => [
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['array<string, array<string, string>>' => '$a']
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]
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],
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'additionWithEmpty' => [
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'<?php
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$a = [];
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$a += ["bar"];
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$b = [] + ["bar"];',
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'assertions' => [
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['array<int, string>' => '$a'],
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['array<int, string>' => '$b']
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]
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],
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'additionDifferentType' => [
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'<?php
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$a = ["bar"];
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$a += [1];
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$b = ["bar"] + [1];',
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'assertions' => [
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['array<int, string|int>' => '$a'],
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['array<int, string|int>' => '$b']
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]
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],
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'present1dArrayTypeWithVarKeys' => [
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'<?php
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/** @var array<string, array<int, string>> */
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$a = [];
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$foo = "foo";
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$a[$foo][] = "bat";',
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'assertions' => []
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],
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'present2dArrayTypeWithVarKeys' => [
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'<?php
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/** @var array<string, array<string, array<int, string>>> */
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$b = [];
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$foo = "foo";
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$bar = "bar";
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$b[$foo][$bar][] = "bat";',
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'assertions' => []
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],
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'objectLikeWithIntegerKeys' => [
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'<?php
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/** @var array{0: string, 1: int} **/
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$a = ["hello", 5];
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$b = $a[0]; // string
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$c = $a[1]; // int
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list($d, $e) = $a; // $d is string, $e is int',
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'assertions' => [
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['string' => '$b'],
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['int' => '$c'],
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['string' => '$d'],
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['int' => '$e']
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]
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]
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];
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}
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/**
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* @return array
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*/
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public function providerFileCheckerInvalidCodeParse()
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{
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return [
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'objectAssignment' => [
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'<?php
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class A {}
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(new A)["b"] = 1;',
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'error_message' => 'InvalidArrayAssignment'
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],
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'invalidArrayAccess' => [
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'<?php
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$a = 5;
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$a[0] = 5;',
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'error_message' => 'InvalidArrayAssignment'
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],
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'mixedStringOffsetAssignment' => [
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'<?php
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/** @var mixed */
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$a = 5;
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"hello"[0] = $a;',
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'error_message' => 'MixedStringOffsetAssignment',
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'error_level' => ['MixedAssignment']
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],
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'mixedArrayArgument' => [
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'<?php
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/** @param array<mixed, int|string> $foo */
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function fooFoo(array $foo) : void { }
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function barBar(array $bar) : void {
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fooFoo($bar);
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}
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barBar([1, "2"]);',
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'error_message' => 'TypeCoercion',
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'error_level' => ['MixedAssignment']
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],
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'arrayPropertyAssignment' => [
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'<?php
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class A {
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/** @var string[] */
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public $strs = ["a", "b", "c"];
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/** @return void */
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public function bar() {
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$this->strs = [new stdClass()]; // no issue emitted
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}
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}',
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'error_message' => 'InvalidPropertyAssignment'
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],
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'incrementalArrayPropertyAssignment' => [
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'<?php
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class A {
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/** @var string[] */
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public $strs = ["a", "b", "c"];
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/** @return void */
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public function bar() {
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$this->strs[] = new stdClass(); // no issue emitted
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}
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}',
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'error_message' => 'InvalidPropertyAssignment'
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]
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];
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}
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}
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