| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.qpid.protonj2.test.driver.matchers; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| import org.apache.qpid.protonj2.test.driver.codec.ListDescribedType; |
| import org.apache.qpid.protonj2.test.driver.codec.primitives.Symbol; |
| import org.apache.qpid.protonj2.test.driver.codec.primitives.UnsignedLong; |
| import org.hamcrest.Description; |
| import org.hamcrest.Matcher; |
| import org.hamcrest.TypeSafeMatcher; |
| |
| /** |
| * Matcher used to validate that received described types match expectations. |
| */ |
| public abstract class ListDescribedTypeMatcher extends TypeSafeMatcher<ListDescribedType> { |
| |
| private String mismatchTextAddition; |
| |
| private final int numFields; |
| |
| private final UnsignedLong descriptorCode; |
| private final Symbol descriptorSymbol; |
| |
| protected final Map<Enum<?>, Matcher<?>> fieldMatchers = new LinkedHashMap<>(); |
| |
| public ListDescribedTypeMatcher(int numFields, UnsignedLong code, Symbol symbol) { |
| this.descriptorCode = code; |
| this.descriptorSymbol = symbol; |
| this.numFields = numFields; |
| } |
| |
| public ListDescribedTypeMatcher addFieldMatcher(Enum<?> field, Matcher<?> matcher) { |
| if (field.ordinal() > numFields) { |
| throw new IllegalArgumentException("Field enum supplied exceeds number of fields in type"); |
| } |
| |
| fieldMatchers.put(field, matcher); |
| return this; |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText(getDescribedTypeClass().getSimpleName() + " which matches: ").appendValue(fieldMatchers); |
| } |
| |
| @Override |
| protected boolean matchesSafely(ListDescribedType received) { |
| try { |
| Object descriptor = received.getDescriptor(); |
| if (!descriptorCode.equals(descriptor) && !descriptorSymbol.equals(descriptor)) { |
| mismatchTextAddition = "Descriptor mismatch"; |
| return false; |
| } |
| |
| for (Map.Entry<Enum<?>, Matcher<?>> entry : fieldMatchers.entrySet()) { |
| @SuppressWarnings("unchecked") |
| Matcher<Object> matcher = (Matcher<Object>) entry.getValue(); |
| assertThat("Field " + entry.getKey() + " value should match", |
| received.getFieldValue(entry.getKey().ordinal()), matcher); |
| } |
| } catch (AssertionError ae) { |
| mismatchTextAddition = "AssertionFailure: " + ae.getMessage(); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| protected void describeMismatchSafely(ListDescribedType item, Description mismatchDescription) { |
| mismatchDescription.appendText("\nActual form: ").appendValue(item); |
| |
| mismatchDescription.appendText("\nExpected descriptor: ") |
| .appendValue(descriptorSymbol) |
| .appendText(" / ") |
| .appendValue(descriptorCode); |
| |
| if (mismatchTextAddition != null) { |
| mismatchDescription.appendText("\nAdditional info: ").appendValue(mismatchTextAddition); |
| } |
| } |
| |
| protected abstract Class<?> getDescribedTypeClass(); |
| |
| } |