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// Copyright 2018 The Bazel Authors. All rights reserved.
//
// 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.devtools.build.importdeps;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.importdeps.ResultCollector.MissingMember;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Path;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.objectweb.asm.ClassReader;
/** Test for {@link DepsCheckerClassVisitor}. */
@RunWith(JUnit4.class)
public class DepsCheckerClassVisitorTest extends AbstractClassCacheTest {
@Test
public void testMissingLibraryException() throws IOException {
assertThat(
getMissingClassesInClient(
bootclasspath, libraryJar, libraryInterfaceJar, libraryAnnotationsJar, clientJar))
.containsExactlyElementsIn(libraryExceptionJarPositives);
}
@Test
public void testMissingLibraryInterface() throws IOException {
assertThat(
getMissingClassesInClient(
bootclasspath, libraryJar, libraryAnnotationsJar, libraryExceptionJar, clientJar))
.containsExactlyElementsIn(libraryInterfacePositives);
}
@Test
public void testMissingLibraryAnnotations() throws IOException {
assertThat(
getMissingClassesInClient(
bootclasspath, libraryJar, libraryExceptionJar, libraryInterfaceJar, clientJar))
.containsExactlyElementsIn(libraryAnnotationsJarPositives);
}
@Test
public void testMissingLibraryInClient() throws IOException {
assertThat(
getMissingClassesInClient(
bootclasspath,
libraryExceptionJar,
libraryInterfaceJar,
libraryAnnotationsJar,
clientJar))
.containsExactlyElementsIn(libraryJarPositives);
}
@Test
public void testMissingMembersInClient() throws IOException {
ResultCollector collector =
getResultCollector(
bootclasspath,
libraryAnnotationsJar,
libraryInterfaceJar,
libraryWoMembersJar,
libraryExceptionJar,
clientJar);
assertThat(collector.getSortedMissingClassInternalNames()).isEmpty();
assertThat(collector.getSortedMissingMembers())
.containsExactly(
MissingMember.create(
"com/google/devtools/build/importdeps/testdata/Library$Class1",
"I",
"Lcom/google/devtools/build/importdeps/testdata/Library$Class1;"),
MissingMember.create(
"com/google/devtools/build/importdeps/testdata/Library$Class3",
"field",
"Lcom/google/devtools/build/importdeps/testdata/Library$Class4;"),
MissingMember.create(
"com/google/devtools/build/importdeps/testdata/Library$Class4",
"createClass5",
"()Lcom/google/devtools/build/importdeps/testdata/Library$Class5;"),
MissingMember.create(
"com/google/devtools/build/importdeps/testdata/Library$Class5",
"create",
"(Lcom/google/devtools/build/importdeps/testdata/Library$Class7;)"
+ "Lcom/google/devtools/build/importdeps/testdata/Library$Class6;"))
.inOrder();
}
private ImmutableList<String> getMissingClassesInClient(Path... classpath) throws IOException {
ResultCollector resultCollector = getResultCollector(classpath);
return resultCollector.getSortedMissingClassInternalNames();
}
private ResultCollector getResultCollector(Path... classpath) throws IOException {
ImmutableList<String> clientClasses =
ImmutableList.of(PACKAGE_NAME + "Client", PACKAGE_NAME + "Client$NestedAnnotation");
ResultCollector resultCollector = new ResultCollector();
try (ClassCache cache = new ClassCache(ImmutableList.copyOf(classpath));
ZipFile zipFile = new ZipFile(clientJar.toFile())) {
assertThat(cache.getClassState("java/lang/invoke/LambdaMetafactory").isExistingState())
.isTrue();
AbstractClassEntryState state = cache.getClassState("java/lang/Enum");
assertThat(state.isExistingState()).isTrue();
for (String clientClass : clientClasses) {
ZipEntry entry = zipFile.getEntry(clientClass + ".class");
try (InputStream classStream = zipFile.getInputStream(entry)) {
ClassReader reader = new ClassReader(classStream);
DepsCheckerClassVisitor checker = new DepsCheckerClassVisitor(cache, resultCollector);
reader.accept(checker, ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES);
}
}
}
return resultCollector;
}
}
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