Open-source the JUnit test runner.

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MOS_MIGRATED_REVID=112027454

1 files changed, 36 insertions, 0 deletions

diff --git a/src/java_tools/junitrunner/java/com/google/testing/junit/runner/sharding/api/ShardingFilterFactory.java b/src/java_tools/junitrunner/java/com/google/testing/junit/runner/sharding/api/ShardingFilterFactory.java
new file mode 100644
index 0000000000..71cb9ea5f3
--- /dev/null
+++ b/src/java_tools/junitrunner/java/com/google/testing/junit/runner/sharding/api/ShardingFilterFactory.java
@@ -0,0 +1,36 @@
+// Copyright 2015 The Bazel Authors. All Rights Reserved.
+//
+// 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.google.testing.junit.runner.sharding.api;
+
+import org.junit.runner.Description;
+import org.junit.runner.manipulation.Filter;
+
+import java.util.Collection;
+
+/**
+ * Creates custom test sharding filters. Classes that implement this interface must have a public
+ * no-argument constructor.
+ */
+public interface ShardingFilterFactory {
+
+  /**
+   * Creates a test sharding filter.
+   *  
+   * @param testDescriptions collection of descriptions of the tests to be run 
+   * @param shardIndex 0-indexed test shard number, where 0 <= shard index < totalShards
+   * @param totalShards the total number of test shards
+   */
+  Filter createFilter(Collection<Description> testDescriptions, int shardIndex, int totalShards);
+}