rector/vendor/rector/rector-phpunit/src/Rector/StmtsAwareInterface/WithConsecutiveRector.php

391 lines
15 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\PHPUnit\Rector\StmtsAwareInterface;
use PhpParser\BuilderFactory;
use PhpParser\Node;
use PhpParser\Node\Arg;
use PhpParser\Node\Expr\ArrayDimFetch;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\Closure;
use PhpParser\Node\Expr\ClosureUse;
use PhpParser\Node\Expr\Match_;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Expr\Variable;
use PhpParser\Node\Identifier;
use PhpParser\Node\MatchArm;
use PhpParser\Node\Param;
use PhpParser\Node\Scalar\LNumber;
use PhpParser\Node\Stmt\Class_;
use PhpParser\Node\Stmt\Expression;
use PhpParser\Node\Stmt\Function_;
use PhpParser\Node\Stmt\Return_;
use PhpParser\Node\Stmt\Throw_;
use PhpParser\NodeTraverser;
use Rector\PhpDocParser\NodeTraverser\SimpleCallableNodeTraverser;
use Rector\PhpParser\Node\BetterNodeFinder;
use Rector\PHPUnit\NodeAnalyzer\TestsNodeAnalyzer;
use Rector\Rector\AbstractRector;
use Rector\ValueObject\PhpVersion;
use Rector\VersionBonding\Contract\MinPhpVersionInterface;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
* @see \Rector\PHPUnit\Tests\Rector\StmtsAwareInterface\WithConsecutiveRector\WithConsecutiveRectorTest
*/
final class WithConsecutiveRector extends AbstractRector implements MinPhpVersionInterface
{
/**
* @readonly
* @var \Rector\PHPUnit\NodeAnalyzer\TestsNodeAnalyzer
*/
private $testsNodeAnalyzer;
/**
* @readonly
* @var \Rector\PhpParser\Node\BetterNodeFinder
*/
private $betterNodeFinder;
/**
* @readonly
* @var \Rector\PhpDocParser\NodeTraverser\SimpleCallableNodeTraverser
*/
private $simpleCallableNodeTraverser;
/**
* @readonly
* @var \PhpParser\BuilderFactory
*/
private $builderFactory;
public function __construct(TestsNodeAnalyzer $testsNodeAnalyzer, BetterNodeFinder $betterNodeFinder, SimpleCallableNodeTraverser $simpleCallableNodeTraverser, BuilderFactory $builderFactory)
{
$this->testsNodeAnalyzer = $testsNodeAnalyzer;
$this->betterNodeFinder = $betterNodeFinder;
$this->simpleCallableNodeTraverser = $simpleCallableNodeTraverser;
$this->builderFactory = $builderFactory;
}
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Refactor deprecated withConsecutive() to willReturnCallback() structure', [new CodeSample(<<<'CODE_SAMPLE'
use PHPUnit\Framework\TestCase;
final class SomeTest extends TestCase
{
public function run()
{
$this->personServiceMock->expects($this->exactly(2))
->method('prepare')
->withConsecutive(
[1, 2],
[3, 4],
);
$this->userServiceMock->expects(self::exactly(2))
->method('prepare')
->withConsecutive(
[1, 2],
[3, 4],
);
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
use PHPUnit\Framework\TestCase;
final class SomeTest extends TestCase
{
public function run()
{
$matcher = $this->exactly(2);
$this->personServiceMock->expects($matcher)
->method('prepare')
->willReturnCallback(function ($parameters) use ($matcher) {
match ($matcher->numberOfInvocations()) {
1 => self::assertEquals([1, 2], $parameters),
2 => self::assertEquals([3, 4], $parameters),
};
});
$matcher = self::exactly(2);
$this->userServiceMock->expects($matcher)
->method('prepare')
->willReturnCallback(function ($parameters) use ($matcher) {
match ($matcher->numberOfInvocations()) {
1 => self::assertEquals([1, 2], $parameters),
2 => self::assertEquals([3, 4], $parameters),
}
});
}
}
CODE_SAMPLE
)]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [Expression::class];
}
/**
* @param Expression $node
*/
public function refactor(Node $node)
{
if (!$this->testsNodeAnalyzer->isInTestClass($node)) {
return null;
}
$withConsecutiveMethodCall = $this->findMethodCall($node, 'withConsecutive');
if (!$withConsecutiveMethodCall instanceof MethodCall) {
return null;
}
if ($this->hasWillReturnMapOrWill($node)) {
return null;
}
$returnStmts = [];
$willReturn = $this->findMethodCall($node, 'willReturn');
if ($willReturn instanceof MethodCall) {
$args = $willReturn->getArgs();
if (\count($args) !== 1 || !$args[0] instanceof Arg) {
return null;
}
$returnStmts = [new Return_($args[0]->value)];
}
$willReturnSelf = $this->findMethodCall($node, 'willReturnSelf');
if ($willReturnSelf instanceof MethodCall) {
if ($returnStmts !== []) {
return null;
}
$selfVariable = $willReturnSelf;
while (\true) {
if (!$selfVariable instanceof MethodCall) {
break;
}
$selfVariable = $selfVariable->var;
}
$returnStmts = [new Return_($selfVariable)];
}
$willReturnArgument = $this->findMethodCall($node, 'willReturnArgument');
if ($willReturnArgument instanceof MethodCall) {
if ($returnStmts !== []) {
return null;
}
$parametersVariable = new Variable('parameters');
$args = $willReturnArgument->getArgs();
if (\count($args) !== 1 || !$args[0] instanceof Arg) {
return null;
}
$returnStmts = [new Return_(new ArrayDimFetch($parametersVariable, $args[0]->value))];
}
$willReturnOnConsecutiveCallsArgument = $this->findMethodCall($node, 'willReturnOnConsecutiveCalls');
if ($willReturnOnConsecutiveCallsArgument instanceof MethodCall) {
if ($returnStmts !== []) {
return null;
}
$matcherVariable = new Variable('matcher');
$numberOfInvocationsMethodCall = new MethodCall($matcherVariable, new Identifier('numberOfInvocations'));
$matchArms = [];
foreach ($willReturnOnConsecutiveCallsArgument->getArgs() as $key => $arg) {
$matchArms[] = new MatchArm([new LNumber($key + 1)], $arg->value);
}
$returnStmts = [new Return_(new Match_($numberOfInvocationsMethodCall, $matchArms))];
}
$willReturnReferenceArgument = $this->findMethodCall($node, 'willReturnReference');
$referenceVariable = null;
if ($willReturnReferenceArgument instanceof MethodCall) {
if ($returnStmts !== []) {
return null;
}
$args = $willReturnReferenceArgument->args;
if (\count($args) !== 1 || !$args[0] instanceof Arg) {
return null;
}
$referenceVariable = $args[0]->value;
if (!$referenceVariable instanceof Variable) {
return null;
}
$returnStmts = [new Return_($referenceVariable)];
}
$willThrowException = $this->findMethodCall($node, 'willThrowException');
if ($willThrowException instanceof MethodCall) {
if ($returnStmts !== []) {
return null;
}
$args = $willThrowException->getArgs();
if (\count($args) !== 1 || !$args[0] instanceof Arg) {
return null;
}
$returnStmts = [new Throw_($args[0]->value)];
}
/**
* remove willReturn, willReturnArgument, willReturnOnConsecutiveCalls, willReturnReference
* willReturnSelf and willThrowException
*/
$this->removeWills($node);
$expectsCall = $this->matchAndRefactorExpectsMethodCall($node);
if (!$expectsCall instanceof MethodCall && !$expectsCall instanceof StaticCall) {
return null;
}
// 2. rename and replace withConsecutive()
$withConsecutiveMethodCall->name = new Identifier('willReturnCallback');
$withConsecutiveMethodCall->args = [new Arg($this->createClosure($withConsecutiveMethodCall, $returnStmts, $referenceVariable))];
$matcherAssign = new Assign(new Variable('matcher'), $expectsCall);
return [new Expression($matcherAssign), $node];
}
public function provideMinPhpVersion() : int
{
/**
* This rule just work for phpunit 10,
* And as php 8.1 is the min version supported by phpunit 10, then we decided to let this version as minimum.
*
* You can see more detail in this issue: https://github.com/rectorphp/rector-phpunit/issues/272
*/
return PhpVersion::PHP_81;
}
/**
* @template T of Node
* @param Node|Node[] $node
* @param class-string<T> $type
* @return T[]
*/
public function findInstancesOfScoped($node, string $type) : array
{
/** @var T[] $foundNodes */
$foundNodes = [];
$this->simpleCallableNodeTraverser->traverseNodesWithCallable($node, static function (Node $subNode) use($type, &$foundNodes) : ?int {
if ($subNode instanceof Class_ || $subNode instanceof Function_ || $subNode instanceof Closure) {
return NodeTraverser::DONT_TRAVERSE_CURRENT_AND_CHILDREN;
}
if ($subNode instanceof $type) {
$foundNodes[] = $subNode;
return null;
}
return null;
});
return $foundNodes;
}
/**
* @param Node\Stmt[] $returnStmts
*/
private function createClosure(MethodCall $expectsMethodCall, array $returnStmts, ?Variable $referenceVariable) : Closure
{
$closure = new Closure();
$byRef = $referenceVariable instanceof Variable;
$closure->byRef = $byRef;
$matcherVariable = new Variable('matcher');
$closure->uses[] = new ClosureUse($matcherVariable);
$usedVariables = $this->resolveUniqueUsedVariables(\array_merge($expectsMethodCall->getArgs(), $this->resolveUniqueUsedVariables($returnStmts)));
foreach ($usedVariables as $usedVariable) {
$closureUse = new ClosureUse($usedVariable);
if ($byRef && $this->getName($usedVariable) === $this->getName($referenceVariable)) {
$closureUse->byRef = \true;
}
$closure->uses[] = $closureUse;
}
$parametersVariable = new Variable('parameters');
$match = $this->createMatch($matcherVariable, $expectsMethodCall, $parametersVariable);
$closure->params[] = new Param($parametersVariable);
$closure->stmts = \array_merge([new Expression($match)], $returnStmts);
return $closure;
}
/**
* Replace $this->expects(...)
*
* @param Expression<MethodCall> $expression
* @return \PhpParser\Node\Expr\MethodCall|\PhpParser\Node\Expr\StaticCall|null
*/
private function matchAndRefactorExpectsMethodCall(Expression $expression)
{
/** @var MethodCall|StaticCall|null $exactlyCall */
$exactlyCall = null;
$this->traverseNodesWithCallable($expression, function (Node $node) use(&$exactlyCall) : ?MethodCall {
if (!$node instanceof MethodCall) {
return null;
}
if (!$this->isName($node->name, 'expects')) {
return null;
}
$firstArg = $node->getArgs()[0];
if (!$firstArg->value instanceof MethodCall && !$firstArg->value instanceof StaticCall) {
return null;
}
$exactlyCall = $firstArg->value;
$node->args = [new Arg(new Variable('matcher'))];
return $node;
});
return $exactlyCall;
}
private function findMethodCall(Expression $expression, string $methodName) : ?MethodCall
{
if (!$expression->expr instanceof MethodCall) {
return null;
}
/** @var MethodCall|null $methodCall */
$methodCall = $this->betterNodeFinder->findFirst($expression->expr, function (Node $node) use($methodName) : bool {
if (!$node instanceof MethodCall) {
return \false;
}
return $this->isName($node->name, $methodName);
});
return $methodCall;
}
private function createMatch(Variable $matcherVariable, MethodCall $expectsMethodCall, Variable $parameters) : Match_
{
$numberOfInvocationsMethodCall = new MethodCall($matcherVariable, new Identifier('numberOfInvocations'));
$matchArms = [];
foreach ($expectsMethodCall->getArgs() as $key => $arg) {
$assertEquals = $this->builderFactory->staticCall('self', 'assertEquals', [$arg, $parameters]);
$matchArms[] = new MatchArm([new LNumber($key + 1)], $assertEquals);
}
return new Match_($numberOfInvocationsMethodCall, $matchArms);
}
/**
* @param Node[] $nodes
* @return Variable[]
*/
private function resolveUniqueUsedVariables(array $nodes) : array
{
/** @var Variable[] $usedVariables */
$usedVariables = $this->findInstancesOfScoped($nodes, Variable::class);
$uniqueUsedVariables = [];
foreach ($usedVariables as $usedVariable) {
if ($this->isNames($usedVariable, ['this', 'matcher', 'parameters'])) {
continue;
}
$usedVariableName = $this->getName($usedVariable);
$uniqueUsedVariables[$usedVariableName] = $usedVariable;
}
return $uniqueUsedVariables;
}
/**
* @param \PhpParser\Node\Stmt\Expression|\PhpParser\Node $node
*/
private function hasWillReturnMapOrWill($node) : bool
{
$nodesWithWillReturnMap = $this->betterNodeFinder->find($node, function (Node $node) : bool {
if (!$node instanceof MethodCall) {
return \false;
}
return $this->isNames($node->name, ['willReturnMap', 'will']);
});
return $nodesWithWillReturnMap !== [];
}
/**
* @param \PhpParser\Node\Stmt\Expression|\PhpParser\Node $expression
*/
private function removeWills($expression) : void
{
$this->traverseNodesWithCallable($expression, function (Node $node) : ?Node {
if (!$node instanceof MethodCall) {
return null;
}
if (!$this->isNames($node->name, ['willReturn', 'willReturnArgument', 'willReturnSelf', 'willReturnOnConsecutiveCalls', 'willReturnReference', 'willThrowException'])) {
return null;
}
return $node->var;
});
}
}