Add Composer autoloading functions and PHPStan for testing

vendor/nikic/php-parser/test/PhpParser/Builder/FunctionTest.php

@@ -0,0 +1,114 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser\Builder;
+
+use PhpParser\Comment;
+use PhpParser\Node;
+use PhpParser\Node\Expr\Print_;
+use PhpParser\Node\Expr\Variable;
+use PhpParser\Node\Scalar\String_;
+use PhpParser\Node\Stmt;
+
+class FunctionTest extends \PHPUnit\Framework\TestCase
+{
+    public function createFunctionBuilder($name) {
+        return new Function_($name);
+    }
+
+    public function testReturnByRef() {
+        $node = $this->createFunctionBuilder('test')
+            ->makeReturnByRef()
+            ->getNode()
+        ;
+
+        $this->assertEquals(
+            new Stmt\Function_('test', [
+                'byRef' => true
+            ]),
+            $node
+        );
+    }
+
+    public function testParams() {
+        $param1 = new Node\Param(new Variable('test1'));
+        $param2 = new Node\Param(new Variable('test2'));
+        $param3 = new Node\Param(new Variable('test3'));
+
+        $node = $this->createFunctionBuilder('test')
+            ->addParam($param1)
+            ->addParams([$param2, $param3])
+            ->getNode()
+        ;
+
+        $this->assertEquals(
+            new Stmt\Function_('test', [
+                'params' => [$param1, $param2, $param3]
+            ]),
+            $node
+        );
+    }
+
+    public function testStmts() {
+        $stmt1 = new Print_(new String_('test1'));
+        $stmt2 = new Print_(new String_('test2'));
+        $stmt3 = new Print_(new String_('test3'));
+
+        $node = $this->createFunctionBuilder('test')
+            ->addStmt($stmt1)
+            ->addStmts([$stmt2, $stmt3])
+            ->getNode()
+        ;
+
+        $this->assertEquals(
+            new Stmt\Function_('test', [
+                'stmts' => [
+                    new Stmt\Expression($stmt1),
+                    new Stmt\Expression($stmt2),
+                    new Stmt\Expression($stmt3),
+                ]
+            ]),
+            $node
+        );
+    }
+
+    public function testDocComment() {
+        $node = $this->createFunctionBuilder('test')
+            ->setDocComment('/** Test */')
+            ->getNode();
+
+        $this->assertEquals(new Stmt\Function_('test', [], [
+            'comments' => [new Comment\Doc('/** Test */')]
+        ]), $node);
+    }
+
+    public function testReturnType() {
+        $node = $this->createFunctionBuilder('test')
+            ->setReturnType('void')
+            ->getNode();
+
+        $this->assertEquals(new Stmt\Function_('test', [
+            'returnType' => 'void'
+        ], []), $node);
+    }
+
+    public function testInvalidNullableVoidType() {
+        $this->expectException(\LogicException::class);
+        $this->expectExceptionMessage('void type cannot be nullable');
+        $this->createFunctionBuilder('test')->setReturnType('?void');
+    }
+
+    public function testInvalidParamError() {
+        $this->expectException(\LogicException::class);
+        $this->expectExceptionMessage('Expected parameter node, got "Name"');
+        $this->createFunctionBuilder('test')
+            ->addParam(new Node\Name('foo'))
+        ;
+    }
+
+    public function testAddNonStmt() {
+        $this->expectException(\LogicException::class);
+        $this->expectExceptionMessage('Expected statement or expression node');
+        $this->createFunctionBuilder('test')
+            ->addStmt(new Node\Name('Test'));
+    }
+}