javaparser-symbol-solver-testing/src/test/java/com/github/javaparser/symbolsolver/Issue113.java

package com.github.javaparser.symbolsolver;

import com.github.javaparser.JavaParser;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.body.MethodDeclaration;
import com.github.javaparser.ast.expr.MethodCallExpr;
import com.github.javaparser.resolution.types.ResolvedReferenceType;
import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade;
import com.github.javaparser.symbolsolver.javaparsermodel.declarations.JavaParserClassDeclaration;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import com.github.javaparser.symbolsolver.resolution.typesolvers.CombinedTypeSolver;
import com.github.javaparser.symbolsolver.resolution.typesolvers.JavaParserTypeSolver;
import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
import org.junit.Before;
import org.junit.Test;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;

import static org.junit.Assert.assertEquals;

public class Issue113 extends AbstractTest {

    private TypeSolver typeSolver;

    @Before
    public void setup() throws IOException {
        typeSolver = new CombinedTypeSolver(new ReflectionTypeSolver(), new JavaParserTypeSolver(adaptPath(new File("src/test/resources/issue113"))));
    }

    @Test
    public void issue113providedCodeDoesNotCrash() throws FileNotFoundException {
        String pathToSourceFile = adaptPath("src/test/resources/issue113/com/foo/Widget.java");
        CompilationUnit cu = JavaParser.parse(new File(pathToSourceFile));

        JavaParserFacade parserFacade = JavaParserFacade.get(typeSolver);
        MethodDeclaration methodDeclaration = cu.findAll(MethodDeclaration.class).stream()
                .filter(node -> node.getName().getIdentifier().equals("doSomething")).findAny().orElse(null);
        methodDeclaration.findAll(MethodCallExpr.class).forEach(parserFacade::solve);
    }

    @Test
    public void issue113superClassIsResolvedCorrectly() throws FileNotFoundException {
        String pathToSourceFile = adaptPath("src/test/resources/issue113/com/foo/Widget.java");
        CompilationUnit cu = JavaParser.parse(new File(pathToSourceFile));

        JavaParserClassDeclaration jssExtendedWidget = new JavaParserClassDeclaration(cu.getClassByName("Widget").get(), typeSolver);
        ResolvedReferenceType superClass = jssExtendedWidget.getSuperClass();
        assertEquals("com.foo.base.Widget", superClass.getQualifiedName());
    }

}