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How to use varargLength method of org.mockito.internal.invocation.MatcherApplicationStrategy class

Best Mockito code snippet using org.mockito.internal.invocation.MatcherApplicationStrategy.varargLength

Source:MatcherApplicationStrategy.java

...18    private final MatcherApplicationType matchingType;19    private MatcherApplicationStrategy(Invocation invocation, List<ArgumentMatcher<?>> matchers, MatcherApplicationType matchingType) {20        this.invocation = invocation;21        if (matchingType == MATCH_EACH_VARARGS_WITH_LAST_MATCHER) {22            int times = varargLength(invocation);23            this.matchers = appendLastMatcherNTimes(matchers, times);24        } else {25            this.matchers = matchers;26        }27        this.matchingType = matchingType;28    }29    /**30     * Returns the {@link MatcherApplicationStrategy} that must be used to capture the31     * arguments of the given <b>invocation</b> using the given <b>matchers</b>.32     *33     * @param invocation34     *            that contain the arguments to capture35     * @param matchers36     *            that will be used to capture the arguments of the invocation,37     *            the passed {@link List} is not required to contain a38     *            {@link CapturingMatcher}39     * @return never <code>null</code>40     */41    public static MatcherApplicationStrategy getMatcherApplicationStrategyFor(Invocation invocation, List<ArgumentMatcher<?>> matchers) {42        MatcherApplicationType type = getMatcherApplicationType(invocation, matchers);43        return new MatcherApplicationStrategy(invocation, matchers, type);44    }45    /**46     * Applies the given {@link ArgumentMatcherAction} to all arguments and47     * corresponding matchers48     *49     * @param action50     *            must not be <code>null</code>51     * @return52     *         <ul>53     *         <li><code>true</code> if the given <b>action</b> returned54     *         <code>true</code> for all arguments and matchers passed to it.55     *         <li><code>false</code> if the given <b>action</b> returned56     *         <code>false</code> for one of the passed arguments and matchers57     *         <li><code>false</code> if the given matchers don't fit to the given invocation58     *         because too many or to few matchers are available.59     *         </ul>60     */61    public boolean forEachMatcherAndArgument(ArgumentMatcherAction action) {62        if (matchingType == ERROR_UNSUPPORTED_NUMBER_OF_MATCHERS)63            return false;64        Object[] arguments = invocation.getArguments();65        for (int i = 0; i < arguments.length; i++) {66            ArgumentMatcher<?> matcher = matchers.get(i);67            Object argument = arguments[i];68            if (!action.apply(matcher, argument)) {69                return false;70            }71        }72        return true;73    }74    private static MatcherApplicationType getMatcherApplicationType(Invocation invocation, List<ArgumentMatcher<?>> matchers) {75        final int rawArguments = invocation.getRawArguments().length;76        final int expandedArguments = invocation.getArguments().length;77        final int matcherCount = matchers.size();78        if (expandedArguments == matcherCount) {79            return ONE_MATCHER_PER_ARGUMENT;80        }81        if (rawArguments == matcherCount && isLastMatcherVargargMatcher(matchers)) {82            return MATCH_EACH_VARARGS_WITH_LAST_MATCHER;83        }84        return ERROR_UNSUPPORTED_NUMBER_OF_MATCHERS;85    }86    private static boolean isLastMatcherVargargMatcher(final List<ArgumentMatcher<?>> matchers) {87        return lastMatcher(matchers) instanceof VarargMatcher;88    }89    private static List<ArgumentMatcher<?>> appendLastMatcherNTimes(List<ArgumentMatcher<?>> matchers, int timesToAppendLastMatcher) {90        ArgumentMatcher<?> lastMatcher = lastMatcher(matchers);91        List<ArgumentMatcher<?>> expandedMatchers = new ArrayList<ArgumentMatcher<?>>(matchers);92        for (int i = 0; i < timesToAppendLastMatcher; i++) {93            expandedMatchers.add(lastMatcher);94        }95        return expandedMatchers;96    }97    private static int varargLength(Invocation invocation) {98        int rawArgumentCount = invocation.getRawArguments().length;99        int expandedArgumentCount = invocation.getArguments().length;100        return expandedArgumentCount - rawArgumentCount;101    }102    private static ArgumentMatcher<?> lastMatcher(List<ArgumentMatcher<?>> matchers) {103        return matchers.get(matchers.size() - 1);104    }105    enum MatcherApplicationType {106        ONE_MATCHER_PER_ARGUMENT, MATCH_EACH_VARARGS_WITH_LAST_MATCHER, ERROR_UNSUPPORTED_NUMBER_OF_MATCHERS;107    }108}...

varargLength

Using AI Code Generation

1public class VarargsLengthTest {2    public void testVarargsLength() {3        MatcherApplicationStrategy matcherApplicationStrategy = new MatcherApplicationStrategy();4        Object[] args = new Object[] { 1, 2, 3 };5        int varargsLength = matcherApplicationStrategy.varargsLength(args);6        assertThat(varargsLength, is(0));7    }8}9at org.mockito.internal.util.MockUtil.createMockSettings(MockUtil.java:72)10at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:52)11at org.mockito.internal.MockitoCore.mock(MockitoCore.java:57)12at org.mockito.Mockito.mock(Mockito.java:1519)13at org.mockito.Mockito.mock(Mockito.java:1424)14at com.baeldung.mockito.VarargsLengthTest.testVarargsLength(VarargsLengthTest.java:10)

varargLength

Using AI Code Generation

1    public void testVarargLength() {2        MatcherApplicationStrategy matcherApplicationStrategy = new MatcherApplicationStrategy();3        Object[] varargs = new Object[3];4        varargs[0] = "a";5        varargs[1] = "b";6        varargs[2] = "c";7        int varargLength = matcherApplicationStrategy.varargLength(varargs);8        assertEquals(3, varargLength);9    }10}

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