/*
* Copyright (C) 2014 Google, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.testing.compile;
import static com.google.common.truth.Truth.assertThat;
import com.sun.source.tree.CompilationUnitTree;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Unit test for {@link TypeEnumerator}
*/
@RunWith(JUnit4.class)
public class TypeEnumeratorTest {
@Test
public void getTopLevelTypes_singleQualifiedType() {
CompilationUnitTree compilation = MoreTrees.parseLinesToTree(
"package path.to.test;",
"import java.util.List;",
"",
"public class HelloWorld {",
" public static void main(String[] args) {",
" System.out.println(\"Hello World!\");",
" }",
"}");
assertThat(TypeEnumerator.getTopLevelTypes(compilation)).has().exactly(
"path.to.test.HelloWorld");
}
@Test
public void getTopLevelTypes_manyQualifiedTypes() {
CompilationUnitTree compilation = MoreTrees.parseLinesToTree(
"package path.to.test;",
"import java.util.List;",
"",
"public class HelloWorld {",
" public static void main(String[] args) {",
" System.out.println(\"Hello World!\");",
" }",
"}",
"",
"final class HelperWorld {}");
assertThat(TypeEnumerator.getTopLevelTypes(compilation)).has().exactly(
"path.to.test.HelloWorld", "path.to.test.HelperWorld");
}
@Test
public void getTopLevelTypes_singleSimpleTypes() {
CompilationUnitTree compilation = MoreTrees.parseLinesToTree(
"import java.util.List;",
"",
"public class HelloWorld {",
" public static void main(String[] args) {",
" System.out.println(\"Hello World!\");",
" }",
"}");
assertThat(TypeEnumerator.getTopLevelTypes(compilation)).has().exactly(
"HelloWorld");
}
@Test
public void getTopLevelTypes_manySimpleTypes() {
CompilationUnitTree compilation = MoreTrees.parseLinesToTree(
"import java.util.List;",
"",
"public class HelloWorld {",
" public static void main(String[] args) {",
" System.out.println(\"Hello World!\");",
" }",
"}",
"",
"final class HelperWorld {}");
assertThat(TypeEnumerator.getTopLevelTypes(compilation)).has().exactly(
"HelloWorld", "HelperWorld");
}
@Test
public void getTopLevelTypes_worksForAnnotationTypes() {
CompilationUnitTree compilation = MoreTrees.parseLinesToTree(
"package path.to.test;",
"import java.util.List;",
"",
"public @interface HelloWorld {}");
assertThat(TypeEnumerator.getTopLevelTypes(compilation)).has().exactly(
"path.to.test.HelloWorld");
}
@Test
public void getTopLevelTypes_worksForEnums() {
CompilationUnitTree compilation = MoreTrees.parseLinesToTree(
"package path.to.test;",
"import java.util.List;",
"",
"public enum HelloWorld {",
" HELLO,",
" WORLD;",
"}");
assertThat(TypeEnumerator.getTopLevelTypes(compilation)).has().exactly(
"path.to.test.HelloWorld");
}
@Test
public void getTopLevelTypes_worksForInterfaces() {
CompilationUnitTree compilation = MoreTrees.parseLinesToTree(
"package path.to.test;",
"import java.util.List;",
"",
"public interface HelloWorld {",
" public String getSalutation();",
"}");
assertThat(TypeEnumerator.getTopLevelTypes(compilation)).has().exactly(
"path.to.test.HelloWorld");
}
@Test
public void getTopLevelTypes_worksForNull() {
assertThat(TypeEnumerator.getTopLevelTypes(null)).isEmpty();
}
}