1 files changed, 166 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/exec/AbstractSpawnStrategyTest.java b/src/test/java/com/google/devtools/build/lib/exec/AbstractSpawnStrategyTest.java
new file mode 100644
index 0000000000..10ca68d638
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/exec/AbstractSpawnStrategyTest.java
@@ -0,0 +1,166 @@
+// 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.exec;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import com.google.devtools.build.lib.actions.ActionExecutionContext;
+import com.google.devtools.build.lib.actions.Spawn;
+import com.google.devtools.build.lib.exec.SpawnCache.CacheHandle;
+import com.google.devtools.build.lib.exec.SpawnResult.Status;
+import com.google.devtools.build.lib.exec.SpawnRunner.SpawnExecutionPolicy;
+import com.google.devtools.build.lib.exec.util.SpawnBuilder;
+import com.google.devtools.build.lib.testutil.Suite;
+import com.google.devtools.build.lib.testutil.TestSpec;
+import com.google.devtools.build.lib.vfs.FileSystem;
+import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem;
+import java.util.Collection;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+/** Tests for {@link BlazeExecutor}. */
+@RunWith(JUnit4.class)
+@TestSpec(size = Suite.SMALL_TESTS)
+public class AbstractSpawnStrategyTest {
+  private static class TestedSpawnStrategy extends AbstractSpawnStrategy {
+    public TestedSpawnStrategy(SpawnRunner spawnRunner) {
+      super(spawnRunner);
+    }
+  }
+
+  private static final Spawn SIMPLE_SPAWN =
+      new SpawnBuilder("/bin/echo", "Hi!").withEnvironment("VARIABLE", "value").build();
+
+  private final FileSystem fs = new InMemoryFileSystem();
+  @Mock private SpawnRunner spawnRunner;
+  @Mock private ActionExecutionContext actionExecutionContext;
+
+  @Before
+  public final void setUp() throws Exception {
+    MockitoAnnotations.initMocks(this);
+  }
+
+  @Test
+  public void testZeroExit() throws Exception {
+    when(actionExecutionContext.getContext(eq(SpawnCache.class))).thenReturn(SpawnCache.NO_CACHE);
+    when(actionExecutionContext.getExecRoot()).thenReturn(fs.getPath("/execroot"));
+    when(spawnRunner.exec(any(Spawn.class), any(SpawnExecutionPolicy.class)))
+        .thenReturn(new SpawnResult.Builder().setStatus(Status.SUCCESS).build());
+
+    new TestedSpawnStrategy(spawnRunner).exec(SIMPLE_SPAWN, actionExecutionContext);
+    // Must only be called exactly once.
+    verify(spawnRunner).exec(any(Spawn.class), any(SpawnExecutionPolicy.class));
+  }
+
+  @Test
+  public void testNonZeroExit() throws Exception {
+    when(actionExecutionContext.getContext(eq(SpawnCache.class))).thenReturn(SpawnCache.NO_CACHE);
+    when(actionExecutionContext.getExecRoot()).thenReturn(fs.getPath("/execroot"));
+    SpawnResult result = new SpawnResult.Builder().setStatus(Status.SUCCESS).setExitCode(1).build();
+    when(spawnRunner.exec(any(Spawn.class), any(SpawnExecutionPolicy.class)))
+        .thenReturn(result);
+
+    try {
+      new TestedSpawnStrategy(spawnRunner).exec(SIMPLE_SPAWN, actionExecutionContext);
+    } catch (SpawnExecException e) {
+      assertThat(e.getSpawnResult()).isSameAs(result);
+    }
+    // Must only be called exactly once.
+    verify(spawnRunner).exec(any(Spawn.class), any(SpawnExecutionPolicy.class));
+  }
+
+  @Test
+  public void testCacheHit() throws Exception {
+    SpawnCache cache = mock(SpawnCache.class);
+    SpawnResult result = new SpawnResult.Builder().setStatus(Status.SUCCESS).build();
+    when(cache.lookup(any(Spawn.class), any(SpawnExecutionPolicy.class)))
+        .thenReturn(SpawnCache.success(result));
+    when(actionExecutionContext.getContext(eq(SpawnCache.class))).thenReturn(cache);
+    when(actionExecutionContext.getExecRoot()).thenReturn(fs.getPath("/execroot"));
+
+    new TestedSpawnStrategy(spawnRunner).exec(SIMPLE_SPAWN, actionExecutionContext);
+    verify(spawnRunner, never()).exec(any(Spawn.class), any(SpawnExecutionPolicy.class));
+  }
+
+  @SuppressWarnings("unchecked")
+  @Test
+  public void testCacheMiss() throws Exception {
+    SpawnCache cache = mock(SpawnCache.class);
+    CacheHandle entry = mock(CacheHandle.class);
+    when(cache.lookup(any(Spawn.class), any(SpawnExecutionPolicy.class))).thenReturn(entry);
+    when(entry.hasResult()).thenReturn(false);
+    when(entry.willStore()).thenReturn(true);
+
+    when(actionExecutionContext.getContext(eq(SpawnCache.class))).thenReturn(cache);
+    when(actionExecutionContext.getExecRoot()).thenReturn(fs.getPath("/execroot"));
+    SpawnResult result = new SpawnResult.Builder().setStatus(Status.SUCCESS).build();
+    when(spawnRunner.exec(any(Spawn.class), any(SpawnExecutionPolicy.class))).thenReturn(result);
+
+    new TestedSpawnStrategy(spawnRunner).exec(SIMPLE_SPAWN, actionExecutionContext);
+    // Must only be called exactly once.
+    verify(spawnRunner).exec(any(Spawn.class), any(SpawnExecutionPolicy.class));
+    verify(entry).store(eq(result), any(Collection.class));
+  }
+
+  @SuppressWarnings("unchecked")
+  @Test
+  public void testCacheMissWithNonZeroExit() throws Exception {
+    SpawnCache cache = mock(SpawnCache.class);
+    CacheHandle entry = mock(CacheHandle.class);
+    when(cache.lookup(any(Spawn.class), any(SpawnExecutionPolicy.class))).thenReturn(entry);
+    when(entry.hasResult()).thenReturn(false);
+    when(entry.willStore()).thenReturn(true);
+
+    when(actionExecutionContext.getContext(eq(SpawnCache.class))).thenReturn(cache);
+    when(actionExecutionContext.getExecRoot()).thenReturn(fs.getPath("/execroot"));
+    SpawnResult result = new SpawnResult.Builder().setStatus(Status.SUCCESS).setExitCode(1).build();
+    when(spawnRunner.exec(any(Spawn.class), any(SpawnExecutionPolicy.class))).thenReturn(result);
+
+    try {
+      new TestedSpawnStrategy(spawnRunner).exec(SIMPLE_SPAWN, actionExecutionContext);
+    } catch (SpawnExecException e) {
+      assertThat(e.getSpawnResult()).isSameAs(result);
+    }
+    // Must only be called exactly once.
+    verify(spawnRunner).exec(any(Spawn.class), any(SpawnExecutionPolicy.class));
+    verify(entry).store(eq(result), any(Collection.class));
+  }
+
+  @Test
+  public void testTagNoCache() throws Exception {
+    SpawnCache cache = mock(SpawnCache.class);
+    when(actionExecutionContext.getContext(eq(SpawnCache.class))).thenReturn(cache);
+    when(actionExecutionContext.getExecRoot()).thenReturn(fs.getPath("/execroot"));
+    when(spawnRunner.exec(any(Spawn.class), any(SpawnExecutionPolicy.class)))
+        .thenReturn(new SpawnResult.Builder().setStatus(Status.SUCCESS).build());
+
+    Spawn uncacheableSpawn =
+        new SpawnBuilder("/bin/echo", "Hi").withExecutionInfo("no-cache", "").build();
+    new TestedSpawnStrategy(spawnRunner).exec(uncacheableSpawn, actionExecutionContext);
+    // Must only be called exactly once.
+    verify(spawnRunner).exec(any(Spawn.class), any(SpawnExecutionPolicy.class));
+    // Must not be called.
+    verify(cache, never()).lookup(any(Spawn.class), any(SpawnExecutionPolicy.class));
+  }
+}