| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.openapi.extensions.impl; |
| |
| import com.intellij.openapi.extensions.LoadingOrder; |
| import com.intellij.openapi.extensions.SortingException; |
| import org.jdom.Element; |
| import org.jetbrains.annotations.NonNls; |
| import org.jmock.cglib.Mock; |
| import org.jmock.cglib.MockObjectTestCase; |
| import org.jmock.core.stub.ReturnStub; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * @author Alexander Kireyev |
| */ |
| public class LoadingOrderTest extends MockObjectTestCase { |
| public void testSimpleSorting() { |
| ArrayList<LoadingOrder.Orderable> target = new ArrayList<LoadingOrder.Orderable>(); |
| target.add(createElement(LoadingOrder.ANY, null, "any")); |
| target.add(createElement(LoadingOrder.FIRST, null, "1")); |
| target.add(createElement(LoadingOrder.LAST, null, "2")); |
| target.add(createElement(LoadingOrder.ANY, null, "any")); |
| LoadingOrder.Orderable[] array = target.toArray(new LoadingOrder.Orderable[target.size()]); |
| assertSequence(array, "1anyany2"); |
| } |
| |
| public void testStability() { |
| ArrayList<LoadingOrder.Orderable> target = new ArrayList<LoadingOrder.Orderable>(); |
| target.add(createElement(LoadingOrder.ANY, null, "1")); |
| target.add(createElement(LoadingOrder.ANY, null, "2")); |
| target.add(createElement(LoadingOrder.ANY, null, "3")); |
| target.add(createElement(LoadingOrder.ANY, null, "4")); |
| LoadingOrder.Orderable[] array = target.toArray(new LoadingOrder.Orderable[target.size()]); |
| assertSequence(array, "1234"); |
| } |
| |
| public void testComplexSorting() { |
| ArrayList<LoadingOrder.Orderable> target = new ArrayList<LoadingOrder.Orderable>(); |
| @NonNls String idOne = "idone"; |
| @NonNls String idTwo = "idTwo"; |
| target.add(createElement(LoadingOrder.before(idTwo), idOne, "2")); |
| target.add(createElement(LoadingOrder.FIRST, null, "0")); |
| target.add(createElement(LoadingOrder.LAST, null, "5")); |
| target.add(createElement(LoadingOrder.after(idTwo), null, "4")); |
| target.add(createElement(LoadingOrder.ANY, idTwo, "3")); |
| target.add(createElement(LoadingOrder.before(idOne), null, "1")); |
| LoadingOrder.Orderable[] array = target.toArray(new LoadingOrder.Orderable[target.size()]); |
| assertSequence(array, "012345"); |
| } |
| |
| public void testComplexSorting2() { |
| ArrayList<LoadingOrder.Orderable> target = new ArrayList<LoadingOrder.Orderable>(); |
| @NonNls String idOne = "idone"; |
| target.add(createElement(LoadingOrder.before(idOne), null, "2")); |
| target.add(createElement(LoadingOrder.after(idOne), null, "4")); |
| target.add(createElement(LoadingOrder.FIRST, null, "1")); |
| target.add(createElement(LoadingOrder.ANY, idOne, "3")); |
| target.add(createElement(LoadingOrder.ANY, null, "5")); |
| target.add(createElement(LoadingOrder.LAST, null, "6")); |
| LoadingOrder.Orderable[] array = target.toArray(new LoadingOrder.Orderable[target.size()]); |
| assertSequence(array, "123456"); |
| } |
| |
| private static void assertSequence(LoadingOrder.Orderable[] array, @NonNls String expected) { |
| LoadingOrder.sort(array); |
| StringBuffer sequence = buildSequence(array); |
| assertEquals(expected, sequence.toString()); |
| } |
| |
| private static StringBuffer buildSequence(LoadingOrder.Orderable[] array) { |
| StringBuffer sequence = new StringBuffer(); |
| for (LoadingOrder.Orderable adapter : array) { |
| sequence.append(((MyElement)adapter.getDescribingElement()).getID()); |
| } |
| return sequence; |
| } |
| |
| public void testFailingSortingBeforeFirst() { |
| ArrayList<LoadingOrder.Orderable> target = new ArrayList<LoadingOrder.Orderable>(); |
| target.add(createElement(LoadingOrder.ANY, null, "good")); |
| target.add(createElement(LoadingOrder.FIRST, "first", "bad")); |
| target.add(createElement(LoadingOrder.LAST, null, "good")); |
| target.add(createElement(LoadingOrder.before("first"), null, "bad")); |
| LoadingOrder.Orderable[] array = target.toArray(new LoadingOrder.Orderable[target.size()]); |
| checkSortingFailure(array); |
| } |
| |
| public void testFailingSortingFirst() { |
| ArrayList<LoadingOrder.Orderable> target = new ArrayList<LoadingOrder.Orderable>(); |
| target.add(createElement(LoadingOrder.ANY, null, "2")); |
| target.add(createElement(LoadingOrder.FIRST, "first", "1")); |
| target.add(createElement(LoadingOrder.LAST, null, "3")); |
| target.add(createElement(LoadingOrder.FIRST, null, "1")); |
| LoadingOrder.Orderable[] array = target.toArray(new LoadingOrder.Orderable[target.size()]); |
| assertSequence(array, "1123"); |
| } |
| |
| private static void checkSortingFailure(LoadingOrder.Orderable[] array) { |
| try { |
| LoadingOrder.sort(array); |
| fail("Should have failed"); |
| } |
| catch (SortingException e) { |
| Element[] conflictingElements = e.getConflictingElements(); |
| assertEquals(2, conflictingElements.length); |
| assertEquals("bad", ((MyElement)conflictingElements[0]).getID()); |
| assertEquals("bad", ((MyElement)conflictingElements[1]).getID()); |
| } |
| } |
| |
| public void testFailingSortingAfterLast() { |
| ArrayList<LoadingOrder.Orderable> target = new ArrayList<LoadingOrder.Orderable>(); |
| target.add(createElement(LoadingOrder.after("last"), null, "bad")); |
| target.add(createElement(LoadingOrder.FIRST, null, "good")); |
| target.add(createElement(LoadingOrder.LAST, "last", "bad")); |
| target.add(createElement(LoadingOrder.ANY, null, "good")); |
| LoadingOrder.Orderable[] array = target.toArray(new LoadingOrder.Orderable[target.size()]); |
| checkSortingFailure(array); |
| } |
| |
| public void testFailingSortingLast() { |
| ArrayList<LoadingOrder.Orderable> target = new ArrayList<LoadingOrder.Orderable>(); |
| target.add(createElement(LoadingOrder.LAST, null, "3")); |
| target.add(createElement(LoadingOrder.FIRST, null, "1")); |
| target.add(createElement(LoadingOrder.LAST, "last", "3")); |
| target.add(createElement(LoadingOrder.ANY, null, "2")); |
| LoadingOrder.Orderable[] array = target.toArray(new LoadingOrder.Orderable[target.size()]); |
| assertSequence(array, "1233"); |
| } |
| |
| public void testFailingSortingComplex() { |
| ArrayList<LoadingOrder.Orderable> target = new ArrayList<LoadingOrder.Orderable>(); |
| target.add(createElement(LoadingOrder.after("2"), "1", "bad")); |
| target.add(createElement(LoadingOrder.after("3"), "2", "bad")); |
| target.add(createElement(LoadingOrder.after("1"), "3", "bad")); |
| LoadingOrder.Orderable[] array = target.toArray(new LoadingOrder.Orderable[target.size()]); |
| checkSortingFailure(array); |
| } |
| |
| private LoadingOrder.Orderable createElement(LoadingOrder order, @NonNls String idString, @NonNls String elementId) { |
| Mock mock = new Mock(LoadingOrder.Orderable.class); |
| mock.stubs().method("getOrder").withNoArguments().will(new ReturnStub(order)); |
| mock.stubs().method("getOrderId").withNoArguments().will(returnValue(idString)); |
| mock.stubs().method("getDescribingElement").withNoArguments().will(new ReturnStub(new MyElement(elementId))); |
| return (LoadingOrder.Orderable) mock.proxy(); |
| } |
| |
| private static class MyElement extends Element { |
| private final String myID; |
| |
| public MyElement(String ID) { |
| myID = ID; |
| } |
| |
| public String getID() { |
| return myID; |
| } |
| } |
| } |