| // *************************************************************************************************************************** |
| // * 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.juneau.assertions; |
| |
| import static java.util.Arrays.*; |
| import static java.util.stream.Collectors.*; |
| import static org.apache.juneau.common.internal.StringUtils.*; |
| import static org.apache.juneau.internal.CollectionUtils.*; |
| |
| import java.io.*; |
| import java.util.*; |
| import java.util.function.*; |
| |
| import org.apache.juneau.common.internal.*; |
| import org.apache.juneau.cp.*; |
| import org.apache.juneau.internal.*; |
| import org.apache.juneau.serializer.*; |
| |
| /** |
| * Used for fluent assertion calls against lists. |
| * |
| * <h5 class='section'>Test Methods:</h5> |
| * <p> |
| * <ul class='javatree'> |
| * <li class='jc'>{@link FluentListAssertion} |
| * <ul class='javatreec'> |
| * <li class='jm'>{@link FluentListAssertion#isHas(Object...) isHas(Object...)} |
| * <li class='jm'>{@link FluentListAssertion#isEach(Predicate...) isEach(Predicate...)} |
| * </ul> |
| * <li class='jc'>{@link FluentCollectionAssertion} |
| * <ul class='javatreec'> |
| * <li class='jm'>{@link FluentCollectionAssertion#isEmpty() isEmpty()} |
| * <li class='jm'>{@link FluentCollectionAssertion#isNotEmpty() isNotEmpty()} |
| * <li class='jm'>{@link FluentCollectionAssertion#isContains(Object) isContains(Object)} |
| * <li class='jm'>{@link FluentCollectionAssertion#isNotContains(Object) isNotContains(Object)} |
| * <li class='jm'>{@link FluentCollectionAssertion#isAny(Predicate) isAny(Predicate)} |
| * <li class='jm'>{@link FluentCollectionAssertion#isAll(Predicate) isAll(Predicate)} |
| * <li class='jm'>{@link FluentCollectionAssertion#isSize(int size) isSize(int size)} |
| * </ul> |
| * <li class='jc'>{@link FluentObjectAssertion} |
| * <ul class='javatreec'> |
| * <li class='jm'>{@link FluentObjectAssertion#isExists() isExists()} |
| * <li class='jm'>{@link FluentObjectAssertion#is(Object) is(Object)} |
| * <li class='jm'>{@link FluentObjectAssertion#is(Predicate) is(Predicate)} |
| * <li class='jm'>{@link FluentObjectAssertion#isNot(Object) isNot(Object)} |
| * <li class='jm'>{@link FluentObjectAssertion#isAny(Object...) isAny(Object...)} |
| * <li class='jm'>{@link FluentObjectAssertion#isNotAny(Object...) isNotAny(Object...)} |
| * <li class='jm'>{@link FluentObjectAssertion#isNull() isNull()} |
| * <li class='jm'>{@link FluentObjectAssertion#isNotNull() isNotNull()} |
| * <li class='jm'>{@link FluentObjectAssertion#isString(String) isString(String)} |
| * <li class='jm'>{@link FluentObjectAssertion#isJson(String) isJson(String)} |
| * <li class='jm'>{@link FluentObjectAssertion#isSame(Object) isSame(Object)} |
| * <li class='jm'>{@link FluentObjectAssertion#isSameJsonAs(Object) isSameJsonAs(Object)} |
| * <li class='jm'>{@link FluentObjectAssertion#isSameSortedJsonAs(Object) isSameSortedJsonAs(Object)} |
| * <li class='jm'>{@link FluentObjectAssertion#isSameSerializedAs(Object, WriterSerializer) isSameSerializedAs(Object, WriterSerializer)} |
| * <li class='jm'>{@link FluentObjectAssertion#isType(Class) isType(Class)} |
| * <li class='jm'>{@link FluentObjectAssertion#isExactType(Class) isExactType(Class)} |
| * </ul> |
| * </ul> |
| * |
| * <h5 class='section'>Transform Methods:</h5> |
| * <p> |
| * <ul class='javatree'> |
| * <li class='jc'>{@link FluentListAssertion} |
| * <ul class='javatreec'> |
| * <li class='jm'>{@link FluentListAssertion#asStrings() asStrings()} |
| * <li class='jm'>{@link FluentListAssertion#asStrings(Function) asStrings(Function)} |
| * <li class='jm'>{@link FluentListAssertion#asCdl() asCdl()} |
| * <li class='jm'>{@link FluentListAssertion#asCdl(Function) asCdl(Function)} |
| * <li class='jm'>{@link FluentListAssertion#asItem(int) asItem(int)} |
| * <li class='jm'>{@link FluentListAssertion#asSorted() asSorted()} |
| * <li class='jm'>{@link FluentListAssertion#asSorted(Comparator) asSorted(Comparator)} |
| * </ul> |
| * <li class='jc'>{@link FluentCollectionAssertion} |
| * <ul class='javatreec'> |
| * <li class='jm'>{@link FluentCollectionAssertion#asStrings() asStrings()} |
| * <li class='jm'>{@link FluentCollectionAssertion#asSize() asSize()} |
| * </ul> |
| * <li class='jc'>{@link FluentObjectAssertion} |
| * <ul class='javatreec'> |
| * <li class='jm'>{@link FluentObjectAssertion#asString() asString()} |
| * <li class='jm'>{@link FluentObjectAssertion#asString(WriterSerializer) asString(WriterSerializer)} |
| * <li class='jm'>{@link FluentObjectAssertion#asString(Function) asString(Function)} |
| * <li class='jm'>{@link FluentObjectAssertion#asJson() asJson()} |
| * <li class='jm'>{@link FluentObjectAssertion#asJsonSorted() asJsonSorted()} |
| * <li class='jm'>{@link FluentObjectAssertion#asTransformed(Function) asApplied(Function)} |
| * <li class='jm'>{@link FluentObjectAssertion#asAny() asAny()} |
| * </ul> |
| * </ul> |
| * |
| * <h5 class='section'>Configuration Methods:</h5> |
| * <p> |
| * <ul class='javatree'> |
| * <li class='jc'>{@link Assertion} |
| * <ul class='javatreec'> |
| * <li class='jm'>{@link Assertion#setMsg(String, Object...) setMsg(String, Object...)} |
| * <li class='jm'>{@link Assertion#setOut(PrintStream) setOut(PrintStream)} |
| * <li class='jm'>{@link Assertion#setSilent() setSilent()} |
| * <li class='jm'>{@link Assertion#setStdOut() setStdOut()} |
| * <li class='jm'>{@link Assertion#setThrowable(Class) setThrowable(Class)} |
| * </ul> |
| * </ul> |
| * |
| * <h5 class='section'>See Also:</h5><ul> |
| * <li class='link'><a class="doclink" href="../../../../index.html#ja.Overview">Overview > juneau-assertions > Overview</a> |
| * </ul> |
| * |
| * @param <E> The element type. |
| * @param <R> The return type. |
| */ |
| @FluentSetters(returns="FluentListAssertion<E,R>") |
| public class FluentListAssertion<E,R> extends FluentCollectionAssertion<E,R> { |
| |
| //----------------------------------------------------------------------------------------------------------------- |
| // Static |
| //----------------------------------------------------------------------------------------------------------------- |
| |
| private static final Messages MESSAGES = Messages.of(FluentListAssertion.class, "Messages"); |
| private static final String |
| MSG_listDidNotContainExpectedValueAt = MESSAGES.getString("listDidNotContainExpectedValueAt"); |
| |
| //----------------------------------------------------------------------------------------------------------------- |
| // Instance |
| //----------------------------------------------------------------------------------------------------------------- |
| |
| /** |
| * Constructor. |
| * |
| * @param value |
| * The object being tested. |
| * <br>Can be <jk>null</jk>. |
| * @param returns |
| * The object to return after a test method is called. |
| * <br>If <jk>null</jk>, the test method returns this object allowing multiple test method calls to be |
| * used on the same assertion. |
| */ |
| public FluentListAssertion(List<E> value, R returns) { |
| this(null, value, returns); |
| } |
| |
| /** |
| * Chained constructor. |
| * |
| * <p> |
| * Used when transforming one assertion into another so that the assertion config can be used by the new assertion. |
| * |
| * @param creator |
| * The assertion that created this assertion. |
| * <br>Should be <jk>null</jk> if this is the top-level assertion. |
| * @param value |
| * The object being tested. |
| * <br>Can be <jk>null</jk>. |
| * @param returns |
| * The object to return after a test method is called. |
| * <br>If <jk>null</jk>, the test method returns this object allowing multiple test method calls to be |
| * used on the same assertion. |
| */ |
| public FluentListAssertion(Assertion creator, List<E> value, R returns) { |
| super(creator, value, returns); |
| } |
| |
| //----------------------------------------------------------------------------------------------------------------- |
| // Transform methods |
| //----------------------------------------------------------------------------------------------------------------- |
| |
| /** |
| * Applies a transform on the inner object and returns a new inner object. |
| * |
| * @param function The transform to apply. |
| * @return A new assertion. |
| */ |
| public FluentListAssertion<E,R> asApplied2(Function<List<E>,List<E>> function) { |
| return new FluentListAssertion<>(this, function.apply((List<E>)orElse(null)), returns()); |
| } |
| |
| /** |
| * Returns an object assertion on the item specified at the specified index. |
| * |
| * <p> |
| * If the list is <jk>null</jk> or the index is out-of-bounds, the returned assertion is a null assertion |
| * (meaning {@link FluentAnyAssertion#isExists()} returns <jk>false</jk>). |
| * |
| * @param index The index of the item to retrieve from the list. |
| * @return A new assertion. |
| */ |
| public FluentAnyAssertion<E,R> asItem(int index) { |
| return new FluentAnyAssertion<>(this, at(index), returns()); |
| } |
| |
| /** |
| * Sorts the entries in this list. |
| * |
| * @return A new list assertion. The contents of the original list remain unchanged. |
| */ |
| public FluentListAssertion<E,R> asSorted() { |
| return new FluentListAssertion<>(this, toSortedList(null), returns()); |
| } |
| |
| /** |
| * Sorts the entries in this list using the specified comparator. |
| * |
| * @param comparator The comparator to use to sort the list. |
| * @return A new list assertion. The contents of the original list remain unchanged. |
| */ |
| public FluentListAssertion<E,R> asSorted(Comparator<E> comparator) { |
| return new FluentListAssertion<>(this, toSortedList(comparator), returns()); |
| } |
| |
| /** |
| * Returns the first entry from this list. |
| * |
| * @return A new list assertion. |
| */ |
| public FluentAnyAssertion<E,R> asFirst() { |
| return asItem(0); |
| } |
| |
| /** |
| * Returns the last entry from this list. |
| * |
| * @return A new list assertion. |
| */ |
| public FluentAnyAssertion<E,R> asLast() { |
| return asItem(getSize()-1); |
| } |
| |
| /** |
| * Returns the first X number of entries from this list. |
| * |
| * @param count The number of entries in the list to retrieve. |
| * @return A new list assertion. The contents of the original list remain unchanged. |
| */ |
| public FluentListAssertion<E,R> asFirst(int count) { |
| return new FluentListAssertion<>(this, valueIsNull() ? null : value().subList(0, count), returns()); |
| } |
| |
| /** |
| * Returns the first X number of entries from this list. |
| * |
| * @param count The number of entries in the list to retrieve. |
| * @return A new list assertion. The contents of the original list remain unchanged. |
| */ |
| public FluentListAssertion<E,R> asLast(int count) { |
| return new FluentListAssertion<>(this, valueIsNull() ? null : value().subList(getSize()-count, getSize()), returns()); |
| } |
| |
| /** |
| * Returns a sublist of the entries in this list. |
| * |
| * @param start The start index (inclusive). |
| * @param end The end index (exclusive). |
| * @return A new list assertion. The contents of the original list remain unchanged. |
| */ |
| public FluentListAssertion<E,R> asSublist(int start, int end) { |
| return new FluentListAssertion<>(this, valueIsNull() ? null : value().subList(start, end), returns()); |
| } |
| |
| /** |
| * Runs the stringify function against all values in this list and returns it as a fluent string list assertion. |
| * |
| * @param function The function to apply to all values in this list. |
| * @return A new fluent string list assertion. Never <jk>null</jk>. |
| */ |
| public FluentStringListAssertion<R> asStrings(Function<E,String> function) { |
| List<String> l = valueIsNull() ? null : value().stream().map(x -> function.apply(x)).collect(toList()); |
| return new FluentStringListAssertion<>(this, l, returns()); |
| } |
| |
| /** |
| * Converts the entries in this list to a simple comma-delimited list and returns the value as a fluent string assertion. |
| * |
| * @return A fluent string assertion. Never <jk>null</jk>. |
| */ |
| public FluentStringAssertion<R> asCdl() { |
| return new FluentStringAssertion<>(this, valueIsNull() ? null : StringUtils.join(value(), ','), returns()); |
| } |
| |
| /** |
| * Converts the entries to strings using the specified stringify function, combines them into a simple comma-delimited list, and returns the value as a fluent string assertion. |
| * |
| * @param function The function to apply to all values in this list. |
| * @return A fluent string assertion. Never <jk>null</jk>. |
| */ |
| public FluentStringAssertion<R> asCdl(Function<E,String> function) { |
| List<String> l = valueIsNull() ? null : value().stream().map(x -> function.apply(x)).collect(toList()); |
| return new FluentStringAssertion<>(this, join(l, ','), returns()); |
| } |
| |
| //----------------------------------------------------------------------------------------------------------------- |
| // Test methods |
| //----------------------------------------------------------------------------------------------------------------- |
| |
| /** |
| * Asserts that the contents of this list contain the specified values. |
| * |
| * @param entries The expected entries in this list. |
| * @return The fluent return object. |
| * @throws AssertionError If assertion failed. |
| */ |
| @SuppressWarnings("unchecked") |
| public R isHas(E...entries) throws AssertionError { |
| Predicate<E>[] p = stream(entries).map(AssertionPredicates::eq).toArray(Predicate[]::new); |
| return isEach(p); |
| } |
| |
| /** |
| * Asserts that the contents of this list pass the specified tests. |
| * |
| * @param tests |
| * The tests to run. |
| * <jk>null</jk> predicates are ignored. |
| * @return The fluent return object. |
| * @throws AssertionError If assertion failed. |
| */ |
| @SafeVarargs |
| public final R isEach(Predicate<E>...tests) throws AssertionError { |
| isSize(tests.length); |
| for (int i = 0, j = getSize(); i < j; i++) { |
| Predicate<E> t = tests[i]; |
| if (t != null && ! t.test(at(i))) |
| throw error(MSG_listDidNotContainExpectedValueAt, i, getFailureMessage(t, at(i))); |
| } |
| return returns(); |
| } |
| |
| //----------------------------------------------------------------------------------------------------------------- |
| // Fluent setters |
| //----------------------------------------------------------------------------------------------------------------- |
| |
| // <FluentSetters> |
| |
| @Override /* GENERATED - org.apache.juneau.assertions.Assertion */ |
| public FluentListAssertion<E,R> setMsg(String msg, Object...args) { |
| super.setMsg(msg, args); |
| return this; |
| } |
| |
| @Override /* GENERATED - org.apache.juneau.assertions.Assertion */ |
| public FluentListAssertion<E,R> setOut(PrintStream value) { |
| super.setOut(value); |
| return this; |
| } |
| |
| @Override /* GENERATED - org.apache.juneau.assertions.Assertion */ |
| public FluentListAssertion<E,R> setSilent() { |
| super.setSilent(); |
| return this; |
| } |
| |
| @Override /* GENERATED - org.apache.juneau.assertions.Assertion */ |
| public FluentListAssertion<E,R> setStdOut() { |
| super.setStdOut(); |
| return this; |
| } |
| |
| @Override /* GENERATED - org.apache.juneau.assertions.Assertion */ |
| public FluentListAssertion<E,R> setThrowable(Class<? extends java.lang.RuntimeException> value) { |
| super.setThrowable(value); |
| return this; |
| } |
| |
| // </FluentSetters> |
| |
| //----------------------------------------------------------------------------------------------------------------- |
| // Utility methods |
| //----------------------------------------------------------------------------------------------------------------- |
| |
| @Override |
| protected List<E> value() throws AssertionError { |
| return (List<E>)super.value(); |
| } |
| |
| private E at(int index) throws AssertionError { |
| return valueIsNull() || index < 0 || index >= getSize() ? null : value().get(index); |
| } |
| |
| private List<E> toSortedList(Comparator<E> comparator) { |
| return valueIsNull() ? null : sortedList(comparator, value()); |
| } |
| } |