1 files changed, 68 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/shell/ExecutionStatisticsTest.java b/src/test/java/com/google/devtools/build/lib/shell/ExecutionStatisticsTest.java
new file mode 100644
index 0000000000..571b4ba25c
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+++ b/src/test/java/com/google/devtools/build/lib/shell/ExecutionStatisticsTest.java
@@ -0,0 +1,68 @@
+// Copyright 2017 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.devtools.build.lib.shell;
+
+import static com.google.common.truth.Truth8.assertThat;
+
+import com.google.devtools.build.lib.shell.Protos.ResourceUsage;
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.time.Duration;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for {@link ExecutionStatistics}. */
+@RunWith(JUnit4.class)
+public final class ExecutionStatisticsTest {
+
+  private com.google.devtools.build.lib.shell.Protos.ExecutionStatistics
+      makeExecutionStatisticsProto(Duration userExecutionTime, Duration systemExecutionTime) {
+    ResourceUsage resourceUsage =
+        ResourceUsage.newBuilder()
+            .setUtimeSec(userExecutionTime.getSeconds())
+            .setUtimeUsec((long) (userExecutionTime.getNano() / 1000))
+            .setStimeSec(systemExecutionTime.getSeconds())
+            .setStimeUsec((long) (systemExecutionTime.getNano() / 1000))
+            .build();
+
+    return com.google.devtools.build.lib.shell.Protos.ExecutionStatistics.newBuilder()
+        .setResourceUsage(resourceUsage)
+        .build();
+  }
+
+  @Test
+  public void testStatiticsProvided_fromProtoFilename() throws Exception {
+    Duration riggedUserExecutionTime = Duration.ofSeconds(42).plusNanos(19790000);
+    Duration riggedSystemExecutionTime = Duration.ofSeconds(33).plusNanos(290000);
+
+    com.google.devtools.build.lib.shell.Protos.ExecutionStatistics executionStatisticsProto =
+        makeExecutionStatisticsProto(riggedUserExecutionTime, riggedSystemExecutionTime);
+
+    byte[] protoBytes = executionStatisticsProto.toByteArray();
+    File encodedProtoFile = File.createTempFile("encoded_action_execution_proto", "");
+    String protoFilename = encodedProtoFile.getPath();
+    try (BufferedOutputStream bufferedOutputStream =
+        new BufferedOutputStream(new FileOutputStream(encodedProtoFile))) {
+      bufferedOutputStream.write(protoBytes);
+    }
+
+    ExecutionStatistics executionStatistics = new ExecutionStatistics(protoFilename);
+
+    assertThat(executionStatistics.getUserExecutionTime()).hasValue(riggedUserExecutionTime);
+    assertThat(executionStatistics.getSystemExecutionTime()).hasValue(riggedSystemExecutionTime);
+  }
+}