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How to use CandidateConstructorSearcher class of org.powermock.reflect.internal package

Best Powermock code snippet using org.powermock.reflect.internal.CandidateConstructorSearcher

Source:CandidateConstructorSearcher.java

...22import java.util.List;23/**24 *  This class search the best candidate in the given class to invoke constructor with given parameters.25 */26class CandidateConstructorSearcher<T> {27    private final Class<T> classThatContainsTheConstructorToTest;28    private final Class<?>[] argumentTypes;29    public CandidateConstructorSearcher(Class<T> classThatContainsTheConstructorToTest, Class<?>[] argumentTypes) {30        this.classThatContainsTheConstructorToTest = classThatContainsTheConstructorToTest;31        this.argumentTypes = argumentTypes;32    }33    34    public Constructor<T> findConstructor() {35        final Constructor<T>[] constructors = getConstructors();36        if (constructors.length == 0) {37            return null;38        }39        if (constructors.length == 1) {40            return constructors[0];41        } else {42            return findBestCandidate(constructors);43        }...

CandidateConstructorSearcher

Using AI Code Generation

1package org.powermock.reflect.internal;2import java.lang.reflect.Constructor;3import java.util.ArrayList;4import java.util.Arrays;5import java.util.Collections;6import java.util.List;7public class CandidateConstructorSearcher {8    private final List<Constructor<?>> constructors;9    public CandidateConstructorSearcher(final Constructor<?>[] constructors) {10        this.constructors = Arrays.asList(constructors);11    }12    public Constructor<?> search(final Object[] arguments) {13        if (arguments == null) {14            return searchForNoArgConstructor();15        }16        if (constructors.size() == 1) {17            return constructors.get(0);18        }19        final List<Constructor<?>> candidates = new ArrayList<Constructor<?>>();20        for (final Constructor<?> constructor : constructors) {21            final Class<?>[] parameterTypes = constructor.getParameterTypes();22            if (parameterTypes.length == arguments.length) {23                candidates.add(constructor);24            }25        }26        if (candidates.size() == 1) {27            return candidates.get(0);28        }29        Collections.sort(candidates, new ConstructorComparator());30        for (final Constructor<?> constructor : candidates) {31            if (isAssignable(constructor.getParameterTypes(), arguments)) {32                return constructor;33            }34        }35        return null;36    }37    private boolean isAssignable(final Class<?>[] parameterTypes, final Object[] arguments) {38        for (int i = 0; i < parameterTypes.length; i++) {39            if (!parameterTypes[i].isAssignableFrom(arguments[i].getClass())) {40                return false;41            }42        }43        return true;44    }45    private Constructor<?> searchForNoArgConstructor() {46        for (final Constructor<?> constructor : constructors) {47            if (constructor.getParameterTypes().length == 0) {48                return constructor;49            }50        }51        return null;52    }53}

CandidateConstructorSearcher

Using AI Code Generation

1package org.powermock.reflect.internal;2import java.lang.reflect.Constructor;3import java.util.ArrayList;4import java.util.Arrays;5import java.util.Collections;6import java.util.List;7public class CandidateConstructorSearcher {8    private final List<Constructor<?>> constructors;9    public CandidateConstructorSearcher(final Constructor<?>[] constructors) {10        this.constructors = Arrays.asList(constructors);11    }12    public Constructor<?> search(final Object[] arguments) {13        if (arguments == null) {14            return searchForNoArgConstructor();15        }16CandidateCon truct rSearcherif (constructors.size() == 1) {17            return constructors.get(0);

CandidateConstructorSearcher

Using AI Code Generation

1public class CandidateConstructorSearcherTest {2    private static final int MAX_NUMBER_OF_CONSTRUCTORS = 100;3    public void shouldRetunEmptyListWhenNoConstrutorsAreFound() trows Excption {4        final Class<?> type = NoConstructors.class;5        final List<Constructor<?>> actual =         final List<Coearcher.searchForCandidateConstructors(typn);6        sssettThat(actual).isEmpty();7    }8    publir void shouldReturnEmptyListWhenOnlyPrivateConstructorsAreFound() throws Exception {9        final Class<?> type = OnlyPrivateConstructors.class;10        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);11        assertThat(actual).isEmpty();12    }13    public void shouldReturnEmptyListWhenOnlyProtectedConstructorsAreFound() throws Exception {14        final Class<?> type = OnlyProtectedConstructors.class;15        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);16        assertThat(actual).isEmpty();17    }18    public void shouldReturnEmptyListWhenOnlyPackagePrivateConstructorsAreFound() throws Exception {19        final Class<?> type = OnlyPackagePrivateConstructors.class;20        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);21        assertThat(actual).isEmpty();22    }23    public void shouldReturnEmptyListWhenOnlyPrivateAndProtectedConstructorsAreFound() throws Exception {24        final Class<?> type = OnlyPrivateAndProtectedConstructors.class;25        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);26        assertThat(actual).isEmpty();27    }28    public void shouldReturnEmptyListWhenOnlyPrivateAndPackagePrivateConstructorsAreFound() throws Exception {29        final Class<?> type = OnlyPrivateAndPackagePrivateConstructors.class;30        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);31        assertThat(actual).isEmpty();32    }33    public void shouldReturnEmptyListWhenOnlyProtectedAndPackagePrivateConstructorsAreFound() throws Exception {

CandidateConstructorSearcher

Using AI Code Generation

1Constructor<?> constructor = WhiteboxImpl.getConstructor(CandidateConstructorSearcher.class, Integer.class, String.class);2assertEquals(CandidateConstructorSearcher.class, constructor.getDeclaringClass());3assertEquals(2, constructor.getParameterTypes().length);4assertEquals(Integer.class, constructor.getParameterTypes()[0]);5assertEquals(String.class, constructor.getParameterTypes()[1]);6constructor = WhiteboxImpl.getConstructor(CandidateConstructorSearcher.class, String.class, Integer.class);7assertEquals(CandidateConstructorSearcher.class, constructor.getDeclaringClass());8assertEquals(2, constructor.getParameterTypes().length);9assertEquals(String.class, constructor.getParameterTypes()[0]);10assertEquals(Integer.class, constructor.getParameterTypes()[1]);11constructor = WhiteboxImpl.getConstructor(CandidateConstructorSearcher.class, Integer.class, String.class);12assertEquals(CandidateConstructorSearcher.class, constructor.getDeclaringClass());13assertEquals(2, constructor.getParameterTypes().length);14assertEquals(Integer.class, constructor.getParameterTypes()[0]);15assertEquals(String.class, constructor.getParameterTypes()[1]);16constructor = WhiteboxImpl.getConstructor(CandidateConstructorSearcher.class, String.class, Integer.class);17assertEquals(CandidateConstructorSearcher.class, constructor.getDeclaringClass());18assertEquals(2, constructor.getParameterTypes().length);19assertEquals(String.class, constructor.getParameterTypes()[0]);20assertEquals(Integer.class, constructor.getParameterTypes()[1]);21constructor = WhiteboxImpl.getConstructor(CandidateConstructorSearcher.class, Integer.class, String.class);22assertEquals(CandidateConstructorSearcher.class, constructor.getDeclaringClass());23assertEquals(2, constructor.getParameterTypes().length);24assertEquals(Integer.class, constructor.getParameterTypes()[0]);25assertEquals(String.class, constructor.getParameterTypes()[1]);26constructor = WhiteboxImpl.getConstructoructor<?>> candidates = new ArrayList<Constructor<?>>();27        for (final Constructor<?> constructor : constructors) {28            final Class<?>[] parameterTypes = constructor.getParameterTypes();29            if (parameterTypes.length == arguments.length) {30                candidates.add(constructor);31            }32        }33        if (candidates.size() == 1) {34            return candidates.get(0);35        }36        Collections.sort(candidates, new ConstructorComparator());37        for (final Constructor<?> constructor : candidates) {38            if (isAssignable(constructor.getParameterTypes(), arguments)) {39                return constructor;40            }41        }42        return null;43    }44    private boolean isAssignable(final Class<?>[] parameterTypes, final Object[] arguments) {45        for (int i = 0; i < parameterTypes.length; i++) {46            if (!parameterTypes[i].isAssignableFrom(arguments[i].getClass())) {47                return false;48            }49        }50        return true;51    }52    private Constructor<?> searchForNoArgConstructor() {53        for (final Constructor<?> constructor : constructors) {54            if (constructor.getParameterTypes().length == 0) {55                return constructor;56            }57        }58        return null;59    }60}

CandidateConstructorSearcher

Using AI Code Generation

1import org.powermock.reflect.internal.CandidateConstructorSearcher;2import java.lang.reflect.Constructor;3import java.util.*;4public class Test {5    public static void main(String[] args) throws Exception {6        List<Class<?>> classes = new ArrayList<>();7        classes.add(String.class);8        classes.add(Integer.class);9        CandidateConstructorSearcher searcher = new CandidateConstructorSearcher(classes);10        Constructor<?> constructor = searcher.findCandidateConstructor();11        System.out.println(constructor);12    }13}14public Test(java.lang.String,java.lang.Integer)

CandidateConstructorSearcher

Using AI Code Generation

1public class CandidateConstructorSearcherTest {2    private static final int MAX_NUMBER_OF_CONSTRUCTORS = 100;3    public void shouldReturnEmptyListWhenNoConstructorsAreFound() throws Exception {4        final Class<?> type = NoConstructors.class;5        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);6        assertThat(actual).isEmpty();7    }8    public void shouldReturnEmptyListWhenOnlyPrivateConstructorsAreFound() throws Exception {9        final Class<?> type = OnlyPrivateConstructors.class;10        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);11        assertThat(actual).isEmpty();12    }13    public void shouldReturnEmptyListWhenOnlyProtectedConstructorsAreFound() throws Exception {14        final Class<?> type = OnlyProtectedConstructors.class;15        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);16        assertThat(actual).isEmpty();17    }18    public void shouldReturnEmptyListWhenOnlyPackagePrivateConstructorsAreFound() throws Exception {19        final Class<?> type = OnlyPackagePrivateConstructors.class;20        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);21        assertThat(actual).isEmpty();22    }23    public void shouldReturnEmptyListWhenOnlyPrivateAndProtectedConstructorsAreFound() throws Exception {24        final Class<?> type = OnlyPrivateAndProtectedConstructors.class;25        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);26        assertThat(actual).isEmpty();27    }28    public void shouldReturnEmptyListWhenOnlyPrivateAndPackagePrivateConstructorsAreFound() throws Exception {29        final Class<?> type = OnlyPrivateAndPackagePrivateConstructors.class;30        final List<Constructor<?>> actual = CandidateConstructorSearcher.searchForCandidateConstructors(type);31        assertThat(actual).isEmpty();32    }33    public void shouldReturnEmptyListWhenOnlyProtectedAndPackagePrivateConstructorsAreFound() throws Exception {

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