Add JavaCompileActionBuilderTest.

PiperOrigin-RevId: 427235097

src/test/java/com/google/devtools/build/lib/rules/java/BUILD

@@ -14,6 +14,22 @@ filegroup(
     visibility = ["//src:__subpackages__"],
 )
 
+java_test(
+    name = "JavaCompileActionBuilderTest",
+    srcs = ["JavaCompileActionBuilderTest.java"],
+    deps = [
+        "//src/main/java/com/google/devtools/build/lib/actions:artifacts",
+        "//src/main/java/com/google/devtools/build/lib/cmdline:cmdline-primitives",
+        "//src/main/java/com/google/devtools/build/lib/rules/java:java-compilation",
+        "//src/main/protobuf:deps_java_proto",
+        "//src/test/java/com/google/devtools/build/lib/analysis/util",
+        "//src/test/java/com/google/devtools/build/lib/rules/java:java_compile_action_test_helper",
+        "//src/test/java/com/google/devtools/build/lib/testutil:JunitUtils",
+        "//third_party:junit4",
+        "//third_party:truth",
+    ],
+)
+
 java_test(
     name = "JavaCompilationArgsTest",
     srcs = ["JavaCompilationArgsTest.java"],

src/test/java/com/google/devtools/build/lib/rules/java/JavaCompileActionBuilderTest.java

@@ -0,0 +1,147 @@
+// Copyright 2022 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.rules.java;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.devtools.build.lib.rules.java.JavaCompileActionTestHelper.getJavacArguments;
+
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
+import com.google.devtools.build.lib.cmdline.RepositoryName;
+import com.google.devtools.build.lib.testutil.MoreAsserts;
+import com.google.devtools.build.lib.view.proto.Deps;
+import com.google.devtools.build.lib.view.proto.Deps.Dependency.Kind;
+import java.util.ArrayList;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for {@link JavaCompileActionBuilder}. */
+@RunWith(JUnit4.class)
+public final class JavaCompileActionBuilderTest extends BuildViewTestCase {
+
+  @Test
+  public void testClassdirIsInBlazeOut() throws Exception {
+    scratch.file("java/com/google/test/BUILD",
+        "java_binary(name = 'a',",
+        "    srcs = ['a.java'])");
+    JavaCompileAction action =
+        (JavaCompileAction) getGeneratingActionForLabel("//java/com/google/test:a.jar");
+    List<String> command = new ArrayList<>();
+    command.addAll(getJavacArguments(action));
+    MoreAsserts.assertContainsSublist(
+        command,
+        "--output",
+        targetConfig
+            .getBinFragment(RepositoryName.MAIN)
+            .getRelative("java/com/google/test/a.jar")
+            .getPathString());
+  }
+
+  @Test
+  public void progressMessage() throws Exception {
+    scratch.file(
+        "java/com/google/test/BUILD",
+        "java_library(name = 'a',",
+        "    srcs = ['a.java', 'b.java'])");
+    JavaCompileAction action =
+        (JavaCompileAction) getGeneratingActionForLabel("//java/com/google/test:liba.jar");
+    assertThat(action.getProgressMessage())
+        .isEqualTo("Building java/com/google/test/liba.jar (2 source files)");
+  }
+
+  @Test
+  public void progressMessageWithSourceJars() throws Exception {
+    scratch.file(
+        "java/com/google/test/BUILD",
+        "java_library(name = 'a',",
+        "    srcs = ['a.java', 'b.java', 'archive.srcjar'])");
+    JavaCompileAction action =
+        (JavaCompileAction) getGeneratingActionForLabel("//java/com/google/test:liba.jar");
+    assertThat(action.getProgressMessage())
+        .isEqualTo("Building java/com/google/test/liba.jar (2 source files, 1 source jar)");
+  }
+
+  @Test
+  public void progressMessageAnnotationProcessors() throws Exception {
+    scratch.file(
+        "java/com/google/test/BUILD",
+        "java_plugin(",
+        "    name = 'foo',",
+        "    srcs = ['Foo.java'],",
+        "    processor_class = 'Foo',",
+        ")",
+        "java_plugin(",
+        "    name = 'bar',",
+        "    srcs = ['Bar.java'],",
+        "    processor_class = 'com.google.Bar',",
+        ")",
+        "java_library(",
+        "    name = 'a',",
+        "    srcs = ['a.java', 'b.java', 'archive.srcjar'],",
+        "    plugins = [':foo', ':bar'],",
+        ")");
+    JavaCompileAction action =
+        (JavaCompileAction) getGeneratingActionForLabel("//java/com/google/test:liba.jar");
+    assertThat(action.getProgressMessage())
+        .isEqualTo(
+            "Building java/com/google/test/liba.jar (2 source files, 1 source jar)"
+                + " and running annotation processors (Foo, Bar)");
+  }
+
+  @Test
+  public void testLocale() throws Exception {
+    scratch.file(
+        "java/com/google/test/BUILD", //
+        "java_library(",
+        "  name = 'a',",
+        "  srcs = ['A.java'],",
+        ")");
+    JavaCompileAction action =
+        (JavaCompileAction) getGeneratingActionForLabel("//java/com/google/test:liba.jar");
+    assertThat(action.getIncompleteEnvironmentForTesting())
+        .containsEntry("LC_CTYPE", "en_US.UTF-8");
+  }
+
+  @Test
+  public void testClasspathReduction() throws Exception {
+    scratch.file(
+        "java/com/google/test/BUILD",
+        "java_library(name = 'a', srcs = ['A.java'], deps = [':b'])",
+        "java_library(name = 'b', srcs = ['B.java'], deps = [':c', ':d'])",
+        "java_library(name = 'c', srcs = ['C.java'])",
+        "java_library(name = 'd', srcs = ['D.java'])");
+    Artifact bJdeps =
+        getBinArtifact("libb-hjar.jdeps", getConfiguredTarget("//java/com/google/test:b"));
+    Artifact cHjar =
+        getBinArtifact("libc-hjar.jar", getConfiguredTarget("//java/com/google/test:libc.jar"));
+    JavaCompileAction action =
+        (JavaCompileAction) getGeneratingActionForLabel("//java/com/google/test:liba.jar");
+    JavaCompileActionContext context = new JavaCompileActionContext();
+    Deps.Dependency dep =
+        Deps.Dependency.newBuilder()
+            .setKind(Kind.EXPLICIT)
+            .setPath(cHjar.getExecPathString())
+            .build();
+    context.insertDependencies(bJdeps, Deps.Dependencies.newBuilder().addDependency(dep).build());
+    assertThat(
+            artifactsToStrings(
+                action.getReducedClasspath(new ActionExecutionContextBuilder().build(), context)
+                    .reducedJars))
+        .containsExactly(
+            "bin java/com/google/test/libb-hjar.jar", "bin java/com/google/test/libc-hjar.jar");
+  }
+}