/
NoByteCodeDependenciesTest.java
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/
NoByteCodeDependenciesTest.java
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/*
* Copyright (c) 2019 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockitointegration;
import static org.mockitoutil.ClassLoaders.coverageTool;
import java.util.Set;
import org.hamcrest.Matcher;
import org.junit.*;
import org.mockito.Mockito;
import org.mockitoutil.ClassLoaders;
public class NoByteCodeDependenciesTest {
@Test
public void pure_mockito_should_not_depend_bytecode_libraries() throws Exception {
ClassLoader classLoader_without_bytecode_libraries =
ClassLoaders.excludingClassLoader()
.withCodeSourceUrlOf(Mockito.class, Matcher.class)
.withCodeSourceUrlOf(coverageTool())
.without("net.bytebuddy", "org.objenesis")
.build();
Set<String> pureMockitoAPIClasses =
ClassLoaders.in(classLoader_without_bytecode_libraries)
.omit("bytebuddy", "runners", "junit", "JUnit", "opentest4j")
.listOwnedClasses();
pureMockitoAPIClasses.remove(
"org.mockito.internal.creation.instance.DefaultInstantiatorProvider");
pureMockitoAPIClasses.remove(
"org.mockito.internal.creation.instance.ObjenesisInstantiator");
pureMockitoAPIClasses.remove(
"org.mockito.internal.creation.instance.ObjenesisInstantiator$UnsafeInstantiatorStrategy");
// Remove classes that trigger plugin-loading, since bytebuddy plugins are the default.
pureMockitoAPIClasses.remove("org.mockito.internal.debugging.LocationImpl");
pureMockitoAPIClasses.remove("org.mockito.internal.exceptions.stacktrace.StackTraceFilter");
pureMockitoAPIClasses.remove("org.mockito.internal.util.MockUtil");
// Remove instrumentation-based member accessor which is optional.
pureMockitoAPIClasses.remove(
"org.mockito.internal.util.reflection.InstrumentationMemberAccessor");
for (String pureMockitoAPIClass : pureMockitoAPIClasses) {
checkDependency(classLoader_without_bytecode_libraries, pureMockitoAPIClass);
}
}
private void checkDependency(ClassLoader classLoader, String pureMockitoAPIClass)
throws ClassNotFoundException {
try {
Class.forName(pureMockitoAPIClass, true, classLoader);
} catch (Throwable e) {
e.printStackTrace();
throw new AssertionError(
String.format(
"'%s' has some dependency to Byte Buddy or Objenesis",
pureMockitoAPIClass));
}
}
}