1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.android.tradefed.retry;
17 
18 /** Describes how the results should be aggregated when multiple attempts are present. */
19 public enum MergeStrategy {
20     /** Merging should not be applied and will throw an exception. */
21     NO_MERGE,
22     /** If a single test case pass then we will consider the merged result passed. */
23     ONE_TESTCASE_PASS_IS_PASS,
24     /** If a single test run pass then we will consider the merged run result passed. */
25     ONE_TESTRUN_PASS_IS_PASS,
26     /** If a single run or test cases is a pass we will consider the merged results passed. */
27     ANY_PASS_IS_PASS,
28     /** If a single run or test cases is failed, status will be failed no matter what. */
29     ANY_FAIL_IS_FAIL;
30 
31     /** Create a merge strategy based on the retry strategy. */
getMergeStrategy(RetryStrategy retryStrategy)32     public static MergeStrategy getMergeStrategy(RetryStrategy retryStrategy) {
33         // TODO: Expand to take into account more context: postsubmit vs. presubmit
34         MergeStrategy strategy = MergeStrategy.ONE_TESTCASE_PASS_IS_PASS;
35         switch (retryStrategy) {
36             case ITERATIONS:
37                 strategy = MergeStrategy.ANY_FAIL_IS_FAIL;
38                 break;
39             case RERUN_UNTIL_FAILURE:
40                 strategy = MergeStrategy.ANY_FAIL_IS_FAIL;
41                 break;
42             case RETRY_ANY_FAILURE:
43                 strategy = MergeStrategy.ANY_PASS_IS_PASS;
44                 break;
45             case NO_RETRY:
46                 strategy = MergeStrategy.ANY_FAIL_IS_FAIL;
47                 break;
48         }
49         return strategy;
50     }
51 }
52