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mockit.internal.expectations.OrderedVerificationPhase Maven / Gradle / Ivy
JMockit is a Java toolkit for automated developer testing.
It contains mocking/faking APIs and a code coverage tool, supporting both JUnit and TestNG.
The mocking APIs allow all kinds of Java code, without testability restrictions, to be tested
in isolation from selected dependencies.
/*
* Copyright (c) 2006 Rogério Liesenfeld
* This file is subject to the terms of the MIT license (see LICENSE.txt).
*/
package mockit.internal.expectations;
import java.util.*;
import javax.annotation.*;
import mockit.internal.expectations.invocation.*;
public final class OrderedVerificationPhase extends BaseVerificationPhase
{
private final int expectationCount;
private ExpectedInvocation unverifiedInvocationLeftBehind;
private ExpectedInvocation unverifiedInvocationPrecedingVerifiedOnesLeftBehind;
private boolean unverifiedExpectationsFixed;
private int indexIncrement;
OrderedVerificationPhase(
@Nonnull RecordAndReplayExecution recordAndReplay,
@Nonnull List expectationsInReplayOrder,
@Nonnull List invocationInstancesInReplayOrder,
@Nonnull List invocationArgumentsInReplayOrder)
{
super(
recordAndReplay, new ArrayList(expectationsInReplayOrder),
invocationInstancesInReplayOrder, invocationArgumentsInReplayOrder);
discardExpectationsAndArgumentsAlreadyVerified();
expectationCount = expectationsInReplayOrder.size();
indexIncrement = 1;
}
private void discardExpectationsAndArgumentsAlreadyVerified()
{
for (VerifiedExpectation verified : recordAndReplay.executionState.verifiedExpectations) {
int i = expectationsInReplayOrder.indexOf(verified.expectation);
if (i >= 0) {
expectationsInReplayOrder.set(i, null);
}
}
}
@Override
protected void findNonStrictExpectation(
@Nullable Object mock, @Nonnull String mockClassDesc, @Nonnull String mockNameAndDesc, @Nonnull Object[] args)
{
int i = replayIndex;
while (i >= 0 && i < expectationCount) {
Expectation replayExpectation = expectationsInReplayOrder.get(i);
Object replayInstance = invocationInstancesInReplayOrder.get(i);
Object[] replayArgs = invocationArgumentsInReplayOrder.get(i);
i += indexIncrement;
if (replayExpectation == null) {
continue;
}
if (!matchInstance && recordAndReplay.executionState.isToBeMatchedOnInstance(mock, mockNameAndDesc)) {
matchInstance = true;
}
if (matches(mock, mockClassDesc, mockNameAndDesc, args, replayExpectation, replayInstance, replayArgs)) {
currentExpectation = replayExpectation;
i += 1 - indexIncrement;
indexIncrement = 1;
replayIndex = i;
expectationBeingVerified().constraints.invocationCount++;
mapNewInstanceToReplacementIfApplicable(mock);
break;
}
if (!unverifiedExpectationsFixed) {
unverifiedInvocationLeftBehind = replayExpectation.invocation;
}
else if (indexIncrement > 0) {
recordAndReplay.setErrorThrown(replayExpectation.invocation.errorForUnexpectedInvocation());
replayIndex = i;
break;
}
}
}
public void fixPositionOfUnverifiedExpectations()
{
if (unverifiedInvocationLeftBehind != null) {
throw
currentExpectation == null ?
unverifiedInvocationLeftBehind.errorForUnexpectedInvocation() :
unverifiedInvocationLeftBehind.errorForUnexpectedInvocationBeforeAnother(currentExpectation.invocation);
}
int indexOfLastUnverified = indexOfLastUnverifiedExpectation();
if (indexOfLastUnverified >= 0) {
replayIndex = indexOfLastUnverified;
indexIncrement = -1;
unverifiedExpectationsFixed = true;
}
}
private int indexOfLastUnverifiedExpectation()
{
for (int i = expectationCount - 1; i >= 0; i--) {
if (expectationsInReplayOrder.get(i) != null) {
return i;
}
}
return -1;
}
@SuppressWarnings("OverlyComplexMethod")
@Override
public void handleInvocationCountConstraint(int minInvocations, int maxInvocations)
{
Error errorThrown = pendingError;
pendingError = null;
if (errorThrown != null && minInvocations > 0) {
throw errorThrown;
}
Expectation verifying = expectationBeingVerified();
ExpectedInvocation invocation = verifying.invocation;
argMatchers = invocation.arguments.getMatchers();
int invocationCount = 1;
while (replayIndex < expectationCount) {
Expectation replayExpectation = expectationsInReplayOrder.get(replayIndex);
if (replayExpectation != null && matchesCurrentVerification(replayExpectation)) {
invocationCount++;
verifying.constraints.invocationCount++;
if (invocationCount > maxInvocations) {
if (maxInvocations >= 0 && numberOfIterations <= 1) {
throw replayExpectation.invocation.errorForUnexpectedInvocation();
}
break;
}
}
else if (invocationCount >= minInvocations) {
break;
}
replayIndex++;
}
argMatchers = null;
int n = minInvocations - invocationCount;
if (n > 0) {
throw invocation.errorForMissingInvocations(n);
}
verifyMaxInvocations(maxInvocations);
}
private boolean matchesCurrentVerification(@Nonnull Expectation replayExpectation)
{
ExpectedInvocation invocation = expectationBeingVerified().invocation;
Object mock = invocation.instance;
String mockClassDesc = invocation.getClassDesc();
String mockNameAndDesc = invocation.getMethodNameAndDescription();
Object[] args = invocation.arguments.getValues();
matchInstance = invocation.matchInstance;
if (recordAndReplay.executionState.isToBeMatchedOnInstance(mock, mockNameAndDesc)) {
matchInstance = true;
}
Object replayInstance = invocationInstancesInReplayOrder.get(replayIndex);
Object[] replayArgs = invocationArgumentsInReplayOrder.get(replayIndex);
return matches(mock, mockClassDesc, mockNameAndDesc, args, replayExpectation, replayInstance, replayArgs);
}
private void verifyMaxInvocations(int maxInvocations)
{
if (maxInvocations >= 0) {
int multiplier = numberOfIterations <= 1 ? 1 : numberOfIterations;
Expectation verifying = expectationBeingVerified();
int n = verifying.constraints.invocationCount - maxInvocations * multiplier;
if (n > 0) {
Object[] replayArgs = invocationArgumentsInReplayOrder.get(replayIndex - 1);
throw verifying.invocation.errorForUnexpectedInvocations(replayArgs, n);
}
}
}
@Nullable @Override
protected Error endVerification()
{
if (pendingError != null) {
return pendingError;
}
if (
unverifiedExpectationsFixed && indexIncrement > 0 && currentExpectation != null &&
replayIndex <= indexOfLastUnverifiedExpectation()
) {
ExpectedInvocation unexpectedInvocation = expectationsInReplayOrder.get(replayIndex).invocation;
return unexpectedInvocation.errorForUnexpectedInvocationAfterAnother(currentExpectation.invocation);
}
if (unverifiedInvocationPrecedingVerifiedOnesLeftBehind != null) {
return unverifiedInvocationPrecedingVerifiedOnesLeftBehind.errorForUnexpectedInvocation();
}
Error error = verifyRemainingIterations();
if (error != null) {
return error;
}
return super.endVerification();
}
@Nullable
private Error verifyRemainingIterations()
{
int expectationsVerifiedInFirstIteration = recordAndReplay.executionState.verifiedExpectations.size();
for (int i = 1; i < numberOfIterations; i++) {
Error error = verifyNextIterationOfWholeBlockOfInvocations(expectationsVerifiedInFirstIteration);
if (error != null) {
return error;
}
}
return null;
}
@Nullable
private Error verifyNextIterationOfWholeBlockOfInvocations(int expectationsVerifiedInFirstIteration)
{
List expectationsVerified = recordAndReplay.executionState.verifiedExpectations;
for (int i = 0; i < expectationsVerifiedInFirstIteration; i++) {
VerifiedExpectation verifiedExpectation = expectationsVerified.get(i);
ExpectedInvocation invocation = verifiedExpectation.expectation.invocation;
argMatchers = verifiedExpectation.argMatchers;
handleInvocation(
invocation.instance, 0, invocation.getClassDesc(), invocation.getMethodNameAndDescription(), null, false,
verifiedExpectation.arguments);
Error testFailure = recordAndReplay.getErrorThrown();
if (testFailure != null) {
return testFailure;
}
}
return null;
}
@Override
boolean shouldDiscardInformationAboutVerifiedInvocationOnceUsed() { return true; }
public void checkOrderOfVerifiedInvocations(@Nonnull BaseVerificationPhase verificationPhase)
{
if (verificationPhase instanceof OrderedVerificationPhase) {
throw new IllegalArgumentException("Invalid use of ordered verification block");
}
UnorderedVerificationPhase previousVerification = (UnorderedVerificationPhase) verificationPhase;
if (previousVerification.verifiedExpectations.isEmpty()) {
return;
}
if (indexIncrement > 0) {
checkForwardOrderOfVerifiedInvocations(previousVerification);
}
else {
checkBackwardOrderOfVerifiedInvocations(previousVerification);
}
}
private void checkForwardOrderOfVerifiedInvocations(@Nonnull UnorderedVerificationPhase previousVerification)
{
int maxReplayIndex = replayIndex - 1;
for (VerifiedExpectation verified : previousVerification.verifiedExpectations) {
if (verified.replayIndex < replayIndex) {
ExpectedInvocation unexpectedInvocation = verified.expectation.invocation;
throw currentExpectation == null ?
unexpectedInvocation.errorForUnexpectedInvocationFoundBeforeAnother() :
unexpectedInvocation.errorForUnexpectedInvocationFoundBeforeAnother(currentExpectation.invocation);
}
if (verified.replayIndex > maxReplayIndex) {
maxReplayIndex = verified.replayIndex;
}
}
for (int i = replayIndex; i < maxReplayIndex; i++) {
Expectation expectation = expectationsInReplayOrder.get(i);
if (expectation != null) {
unverifiedInvocationPrecedingVerifiedOnesLeftBehind = expectation.invocation;
break;
}
}
replayIndex = maxReplayIndex + 1;
currentExpectation = replayIndex < expectationCount ? expectationsInReplayOrder.get(replayIndex) : null;
}
private void checkBackwardOrderOfVerifiedInvocations(@Nonnull UnorderedVerificationPhase previousVerification)
{
int indexOfLastUnverified = indexOfLastUnverifiedExpectation();
if (indexOfLastUnverified >= 0) {
VerifiedExpectation firstVerified = previousVerification.firstExpectationVerified();
assert firstVerified != null;
if (firstVerified.replayIndex != indexOfLastUnverified + 1) {
Expectation lastUnverified = expectationsInReplayOrder.get(indexOfLastUnverified);
Expectation after = firstVerified.expectation;
throw lastUnverified.invocation.errorForUnexpectedInvocationAfterAnother(after.invocation);
}
}
}
}
