Open-source tests from lib/exec

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MOS_MIGRATED_REVID=108255623

1 files changed, 115 insertions, 0 deletions

diff --git a/src/test/java/com/google/devtools/build/lib/exec/MiddlemanActionTest.java b/src/test/java/com/google/devtools/build/lib/exec/MiddlemanActionTest.java
new file mode 100644
index 0000000000..22e65ed262
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/exec/MiddlemanActionTest.java
@@ -0,0 +1,115 @@
+// 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.devtools.build.lib.exec;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.devtools.build.lib.actions.util.ActionsTestUtil.NULL_ACTION_OWNER;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+import com.google.devtools.build.lib.actions.Action;
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.actions.MiddlemanAction;
+import com.google.devtools.build.lib.actions.MiddlemanFactory;
+import com.google.devtools.build.lib.analysis.util.AnalysisTestUtil;
+import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
+import com.google.devtools.build.lib.testutil.Suite;
+import com.google.devtools.build.lib.testutil.TestSpec;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+/**
+ * A test for {@link MiddlemanAction}.
+ */
+@TestSpec(size = Suite.SMALL_TESTS)
+public class MiddlemanActionTest extends BuildViewTestCase {
+
+  private AnalysisTestUtil.CollectingAnalysisEnvironment analysisEnvironment;
+  private MiddlemanFactory middlemanFactory;
+  private Artifact a, b, middle;
+
+  @Override
+  public void setUp() throws Exception {
+    super.setUp();
+    scratch.file("a/BUILD",
+                "testing_dummy_rule(name='a', outs=['a.out'])");
+    scratch.file("b/BUILD",
+                "testing_dummy_rule(name='b', outs=['b.out'])");
+    a = getFilesToBuild(getConfiguredTarget("//a")).iterator().next();
+    b = getFilesToBuild(getConfiguredTarget("//b")).iterator().next();
+    analysisEnvironment =
+        new AnalysisTestUtil.CollectingAnalysisEnvironment(
+            AnalysisTestUtil.STUB_ANALYSIS_ENVIRONMENT);
+    middlemanFactory = new MiddlemanFactory(view.getArtifactFactory(), analysisEnvironment);
+    middle = middlemanFactory.createAggregatingMiddleman(
+        NULL_ACTION_OWNER, "middleman_test",
+        Arrays.asList(a, b),
+        targetConfig.getMiddlemanDirectory());
+    analysisEnvironment.registerWith(getMutableActionGraph());
+  }
+
+  public void testActionIsAMiddleman() {
+    Action middleman = getGeneratingAction(middle);
+    assertTrue("Encountered instance of " + middleman.getClass(),
+        middleman.getActionType().isMiddleman());
+  }
+
+  public void testAAndBAreInputsToMiddleman() {
+    MiddlemanAction middleman = (MiddlemanAction) getGeneratingAction(middle);
+    assertThat(middleman.getInputs()).containsExactly(a, b);
+  }
+
+  public void testMiddleIsOutputOfMiddleman() {
+    MiddlemanAction middleman = (MiddlemanAction) getGeneratingAction(middle);
+    assertThat(middleman.getOutputs()).containsExactly(middle);
+  }
+
+  public void testMiddlemanIsNullForEmptyInputs() throws Exception {
+    assertNull(middlemanFactory.createAggregatingMiddleman(NULL_ACTION_OWNER,
+        "middleman_test", new ArrayList<Artifact>(), targetConfig.getMiddlemanDirectory()));
+  }
+
+  public void testMiddlemanIsIdentityForLonelyInput() throws Exception {
+    assertEquals(a,
+        middlemanFactory.createAggregatingMiddleman(
+            NULL_ACTION_OWNER, "middleman_test",
+            Lists.newArrayList(a),
+            targetConfig.getMiddlemanDirectory()));
+  }
+
+  public void testDifferentExecutablesForRunfilesMiddleman() throws Exception {
+    scratch.file("c/BUILD",
+                "testing_dummy_rule(name='c', outs=['c.out', 'd.out', 'common.out'])");
+
+    Artifact c = getFilesToBuild(getConfiguredTarget("//c:c.out")).iterator().next();
+    Artifact d = getFilesToBuild(getConfiguredTarget("//c:d.out")).iterator().next();
+    Artifact common = getFilesToBuild(getConfiguredTarget("//c:common.out")).iterator().next();
+
+    analysisEnvironment.clear();
+    Artifact middlemanForC = middlemanFactory.createRunfilesMiddleman(
+        NULL_ACTION_OWNER, c, Arrays.asList(c, common), targetConfig.getMiddlemanDirectory());
+    Artifact middlemanForD = middlemanFactory.createRunfilesMiddleman(
+        NULL_ACTION_OWNER, d, Arrays.asList(d, common), targetConfig.getMiddlemanDirectory());
+    analysisEnvironment.registerWith(getMutableActionGraph());
+
+    MiddlemanAction middlemanActionForC = (MiddlemanAction) getGeneratingAction(middlemanForC);
+    MiddlemanAction middlemanActionForD = (MiddlemanAction) getGeneratingAction(middlemanForD);
+
+    assertThat(Sets.newHashSet(middlemanActionForD.getInputs()))
+        .isNotEqualTo(Sets.newHashSet(middlemanActionForC.getInputs()));
+    assertThat(Sets.newHashSet(middlemanActionForD.getOutputs()))
+        .isNotEqualTo(Sets.newHashSet(middlemanActionForC.getOutputs()));
+  }
+}