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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.abicheck.mojo;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import com.google.common.collect.ImmutableMap;
import com.yahoo.abicheck.Public;
import com.yahoo.abicheck.classtree.ClassFileTree;
import com.yahoo.abicheck.signature.JavaClassSignature;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.Map;
import org.apache.maven.plugin.logging.Log;
import org.junit.jupiter.api.Test;
import root.Root;
import root.sub.Sub;
public class AbiCheckTest {
private static ClassFileTree.Package buildClassFileTree() throws IOException {
ClassFileTree.Package rootPkg = mock(ClassFileTree.Package.class);
ClassFileTree.Package subPkg = mock(ClassFileTree.Package.class);
ClassFileTree.ClassFile rootPkgInfoClass = mock(ClassFileTree.ClassFile.class);
ClassFileTree.ClassFile rootPkgClass = mock(ClassFileTree.ClassFile.class);
ClassFileTree.ClassFile subPkgClass = mock(ClassFileTree.ClassFile.class);
when(rootPkg.getSubPackages()).thenReturn(Collections.singleton(subPkg));
when(rootPkg.getClassFiles()).thenReturn(Arrays.asList(rootPkgClass, rootPkgInfoClass));
when(subPkg.getClassFiles()).thenReturn(Collections.singleton(subPkgClass));
when(rootPkgInfoClass.getName()).thenReturn("package-info.class");
when(rootPkgInfoClass.getInputStream())
.thenAnswer(invocation -> Root.class.getResourceAsStream("package-info.class"));
when(rootPkgClass.getName()).thenReturn("Root.class");
when(rootPkgClass.getInputStream())
.thenAnswer(invocation -> Root.class.getResourceAsStream("Root.class"));
when(subPkgClass.getName()).thenReturn("Sub.class");
when(subPkgClass.getInputStream())
.thenAnswer(invocation -> Sub.class.getResourceAsStream("Sub.class"));
return rootPkg;
}
@Test
public void testCollectPublicAbiSignatures() throws IOException {
ClassFileTree.Package rootPkg = buildClassFileTree();
Map<String, JavaClassSignature> signatures = AbiCheck
.collectPublicAbiSignatures(rootPkg, Public.class.getCanonicalName());
assertThat(signatures.size(), equalTo(1));
JavaClassSignature rootSignature = signatures.get("root.Root");
// PublicSignatureCollectorTest verifies actual signatures, no need to duplicate here
}
@Test
public void testCompareSignatures() {
Log log = mock(Log.class);
JavaClassSignature signatureA = new JavaClassSignature(
"java.lang.Object",
Collections.emptySet(),
Collections.singletonList("public"),
Collections.singleton("public void foo()"),
Collections.singleton("public int bar"));
JavaClassSignature signatureB = new JavaClassSignature(
"java.lang.Exception",
Collections.singleton("java.lang.Runnable"),
Collections.singletonList("protected"),
Collections.singleton("public void foo(int)"),
Collections.singleton("public boolean bar"));
Map<String, JavaClassSignature> expected = ImmutableMap.<String, JavaClassSignature>builder()
.put("test.Missing", signatureA)
.put("test.A", signatureA)
.put("test.B", signatureB)
.build();
Map<String, JavaClassSignature> actual = ImmutableMap.<String, JavaClassSignature>builder()
.put("test.A", signatureA)
.put("test.Extra", signatureA)
.put("test.B", signatureA)
.build();
assertThat(AbiCheck.compareSignatures(expected, actual, log), equalTo(false));
verify(log).error("Missing class: test.Missing");
verify(log).error("Extra class: test.Extra");
verify(log)
.error("Class test.B: Expected superclass java.lang.Exception, found java.lang.Object");
verify(log).error("Class test.B: Missing interface java.lang.Runnable");
verify(log).error("Class test.B: Missing attribute protected");
verify(log).error("Class test.B: Extra attribute public");
verify(log).error("Class test.B: Missing method public void foo(int)");
verify(log).error("Class test.B: Extra method public void foo()");
verify(log).error("Class test.B: Missing field public boolean bar");
verify(log).error("Class test.B: Extra field public int bar");
}
}
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