/*
* Copyright 2016-present Facebook, Inc.
*
* 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.facebook.buck.intellij.ideabuck.format;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
public class DependenciesOptimizerTest {
@Test
public void ordering() {
/*
The sort ordering should be:
(1) Local targets (beginning with ':') appear first, sorted alphabetically first
(2) Same-cell targets... (beginning with '//') appear next, sorted...
(2a) ...alphabetically by path segments, where segments are divided by '/'
Examples: ('/a:z' < '/aa:a') and ('/a/b' < '/a/b/c')
(2b) ...then alphabetically by targets (after ':'), with implicit targets first
Examples: ('//foo' < '//foo:bar' < '//foo:baz')
(3) For cross-cell targets, sort alphabetically by cell-name, then as per rules of (2)
*/
List<String> expected =
Arrays.asList(
":cmd",
":lib",
"//:cmd",
"//:lib",
"//foo:cmd",
"//foo:lib",
"//foo/bar:cmd",
"//foo/bar:lib",
"//foo.applet:cmd",
"//foo.applet/resources:img",
"//foo2/bar:cmd",
"//foo2/bar:lib",
"//foo_fighter:cmd",
"//foo_fighter:lib",
"//food:cmd",
"//food:lib",
"baz//moar:moar",
"baz//moar:stuff",
"baz//moar/stuff:here",
"qux//:moar",
"qux//:stuff",
"qux//stuff:here");
List<String> actual = new ArrayList<String>(expected);
Collections.reverse(actual); // start opposite order to verify sort is stable
Collections.sort(actual, DependenciesOptimizer.sortOrder());
Assert.assertEquals(expected, actual);
}
}