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ArgumentMatchingTool.java
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ArgumentMatchingTool.java
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/*
* Copyright (c) 2007 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockito.internal.verification.argumentmatching;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import org.mockito.ArgumentMatcher;
import org.mockito.internal.matchers.ContainsExtraTypeInfo;
@SuppressWarnings("unchecked")
public class ArgumentMatchingTool {
private ArgumentMatchingTool() {}
/**
* Suspiciously not matching arguments are those that don't match, the toString() representation is the same but types are different.
*/
public static Integer[] getSuspiciouslyNotMatchingArgsIndexes(
List<ArgumentMatcher> matchers, Object[] arguments) {
if (matchers.size() != arguments.length) {
return new Integer[0];
}
List<Integer> suspicious = new LinkedList<>();
int i = 0;
for (ArgumentMatcher m : matchers) {
if (m instanceof ContainsExtraTypeInfo
&& !safelyMatches(m, arguments[i])
&& toStringEquals(m, arguments[i])
&& !((ContainsExtraTypeInfo) m).typeMatches(arguments[i])) {
suspicious.add(i);
}
i++;
}
return suspicious.toArray(new Integer[0]);
}
private static boolean safelyMatches(ArgumentMatcher m, Object arg) {
try {
return m.matches(arg);
} catch (Throwable t) {
return false;
}
}
private static boolean toStringEquals(ArgumentMatcher m, Object arg) {
return m.toString().equals(String.valueOf(arg));
}
/**
* Suspiciously not matching arguments are those that don't match, and the classes have same simple name.
*/
public static Set<String> getNotMatchingArgsWithSameName(
List<ArgumentMatcher> matchers, Object[] arguments) {
Map<String, Set<String>> classesHavingSameName = new HashMap<>();
for (ArgumentMatcher m : matchers) {
if (m instanceof ContainsExtraTypeInfo) {
Object wanted = ((ContainsExtraTypeInfo) m).getWanted();
if (wanted == null) {
continue;
}
Class wantedClass = wanted.getClass();
classesHavingSameName
.computeIfAbsent(wantedClass.getSimpleName(), className -> new HashSet<>())
.add(wantedClass.getCanonicalName());
}
}
for (Object argument : arguments) {
if (argument == null) {
continue;
}
Class wantedClass = argument.getClass();
classesHavingSameName
.computeIfAbsent(wantedClass.getSimpleName(), className -> new HashSet<>())
.add(wantedClass.getCanonicalName());
}
return classesHavingSameName.entrySet().stream()
.filter(classEntry -> classEntry.getValue().size() > 1)
.map(classEntry -> classEntry.getKey())
.collect(Collectors.toSet());
}
}