2 files changed, 166 insertions, 4 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/WorkspaceASTFunctionTest.java b/src/test/java/com/google/devtools/build/lib/skyframe/WorkspaceASTFunctionTest.java
new file mode 100644
index 0000000000..784c3e0707
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/WorkspaceASTFunctionTest.java
@@ -0,0 +1,162 @@
+// Copyright 2016 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.skyframe;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.devtools.build.lib.analysis.ConfiguredRuleClassProvider;
+import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
+import com.google.devtools.build.lib.skyframe.WorkspaceFileFunctionTest.FakeFileValue;
+import com.google.devtools.build.lib.skyframe.WorkspaceFileFunctionTest.SkyKeyMatchers;
+import com.google.devtools.build.lib.syntax.BuildFileAST;
+import com.google.devtools.build.lib.testutil.TestRuleClassProvider;
+import com.google.devtools.build.lib.vfs.Path;
+import com.google.devtools.build.lib.vfs.PathFragment;
+import com.google.devtools.build.lib.vfs.RootedPath;
+import com.google.devtools.build.skyframe.SkyFunction;
+import com.google.devtools.build.skyframe.SkyFunctionException;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+import org.mockito.Matchers;
+import org.mockito.Mockito;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * Test for WorkspaceASTFunction.
+ */
+@RunWith(JUnit4.class)
+public class WorkspaceASTFunctionTest extends BuildViewTestCase {
+
+  private WorkspaceASTFunction astSkyFunc;
+  private FakeFileValue fakeWorkspaceFileValue;
+
+  @Before
+  public final void setUp() throws Exception {
+    ConfiguredRuleClassProvider ruleClassProvider = TestRuleClassProvider.getRuleClassProvider();
+    ConfiguredRuleClassProvider ruleClassProviderSpy = Mockito.spy(ruleClassProvider);
+    // Prevent returning default workspace file.
+    Mockito.when(ruleClassProviderSpy.getDefaultWorkspaceFile()).thenReturn("");
+    astSkyFunc = new WorkspaceASTFunction(ruleClassProviderSpy);
+    fakeWorkspaceFileValue = new FakeFileValue();
+  }
+
+  private RootedPath createWorkspaceFile(String... contents) throws IOException {
+    Path workspacePath = scratch.overwriteFile("WORKSPACE", contents);
+    fakeWorkspaceFileValue.setSize(workspacePath.getFileSize());
+    return RootedPath.toRootedPath(
+        workspacePath.getParentDirectory(), new PathFragment(workspacePath.getBaseName()));
+  }
+
+  private SkyFunction.Environment getEnv() {
+    SkyFunction.Environment env = Mockito.mock(SkyFunction.Environment.class);
+    Mockito.when(env.getValue(Matchers.argThat(new SkyKeyMatchers(SkyFunctions.FILE))))
+        .thenReturn(fakeWorkspaceFileValue);
+    return env;
+  }
+
+  private List<BuildFileAST> getASTs(String... lines)
+      throws IOException, SkyFunctionException, InterruptedException {
+    RootedPath workspacePath = createWorkspaceFile(lines);
+
+    WorkspaceASTValue value =
+        (WorkspaceASTValue) astSkyFunc.compute(WorkspaceASTValue.key(workspacePath), getEnv());
+    return value.getASTs();
+  }
+
+  @Test
+  public void testSplitASTNoLoad() throws IOException, SkyFunctionException, InterruptedException {
+    List<BuildFileAST> asts = getASTs("foo_bar = 1");
+    assertThat(asts).hasSize(1);
+    assertThat(asts.get(0).getStatements()).hasSize(1);
+  }
+
+  @Test
+  public void testSplitASTOneLoadAtTop()
+      throws IOException, SkyFunctionException, InterruptedException {
+    List<BuildFileAST> asts = getASTs("load('//:foo.bzl', 'bar')", "foo_bar = 1");
+    assertThat(asts).hasSize(1);
+    assertThat(asts.get(0).getStatements()).hasSize(2);
+  }
+
+  @Test
+  public void testSplitASTOneLoad() throws IOException, SkyFunctionException, InterruptedException {
+    List<BuildFileAST> asts = getASTs("foo_bar = 1", "load('//:foo.bzl', 'bar')");
+    assertThat(asts).hasSize(2);
+    assertThat(asts.get(0).getStatements()).hasSize(1);
+    assertThat(asts.get(1).getStatements()).hasSize(1);
+  }
+
+  @Test
+  public void testSplitASTTwoSuccessiveLoads()
+      throws IOException, SkyFunctionException, InterruptedException {
+    List<BuildFileAST> asts =
+        getASTs("foo_bar = 1", "load('//:foo.bzl', 'bar')", "load('//:bar.bzl', 'foo')");
+    assertThat(asts).hasSize(2);
+    assertThat(asts.get(0).getStatements()).hasSize(1);
+    assertThat(asts.get(1).getStatements()).hasSize(2);
+  }
+
+  @Test
+  public void testSplitASTTwoSucessiveLoadsWithNonLoadStatement()
+      throws IOException, SkyFunctionException, InterruptedException {
+    List<BuildFileAST> asts =
+        getASTs(
+            "foo_bar = 1",
+            "load('//:foo.bzl', 'bar')",
+            "load('//:bar.bzl', 'foo')",
+            "local_repository(name = 'foobar', path = '/bar/foo')");
+    assertThat(asts).hasSize(2);
+    assertThat(asts.get(0).getStatements()).hasSize(1);
+    assertThat(asts.get(1).getStatements()).hasSize(3);
+  }
+
+  @Test
+  public void testSplitASTThreeLoadsThreeSegments()
+      throws IOException, SkyFunctionException, InterruptedException {
+    List<BuildFileAST> asts =
+        getASTs(
+            "foo_bar = 1",
+            "load('//:foo.bzl', 'bar')",
+            "load('//:bar.bzl', 'foo')",
+            "local_repository(name = 'foobar', path = '/bar/foo')",
+            "load('@foobar//:baz.bzl', 'bleh')");
+    assertThat(asts).hasSize(3);
+    assertThat(asts.get(0).getStatements()).hasSize(1);
+    assertThat(asts.get(1).getStatements()).hasSize(3);
+    assertThat(asts.get(2).getStatements()).hasSize(1);
+  }
+
+  @Test
+  public void testSplitASTThreeLoadsThreeSegmentsWithContent()
+      throws IOException, SkyFunctionException, InterruptedException {
+    List<BuildFileAST> asts =
+        getASTs(
+            "foo_bar = 1",
+            "load('//:foo.bzl', 'bar')",
+            "load('//:bar.bzl', 'foo')",
+            "local_repository(name = 'foobar', path = '/bar/foo')",
+            "load('@foobar//:baz.bzl', 'bleh')",
+            "bleh()");
+    assertThat(asts).hasSize(3);
+    assertThat(asts.get(0).getStatements()).hasSize(1);
+    assertThat(asts.get(1).getStatements()).hasSize(3);
+    assertThat(asts.get(2).getStatements()).hasSize(2);
+  }
+}
diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/WorkspaceFileFunctionTest.java b/src/test/java/com/google/devtools/build/lib/skyframe/WorkspaceFileFunctionTest.java
index 0f4ce405cf..208c3788c1 100644
--- a/src/test/java/com/google/devtools/build/lib/skyframe/WorkspaceFileFunctionTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/WorkspaceFileFunctionTest.java
@@ -60,7 +60,7 @@ public class WorkspaceFileFunctionTest extends BuildViewTestCase {
   private WorkspaceASTFunction astSkyFunc;
   private FakeFileValue fakeWorkspaceFileValue;
 
-  private static class FakeFileValue extends FileValue {
+  static class FakeFileValue extends FileValue {
     private boolean exists;
     private long size;
 
@@ -85,7 +85,7 @@ public class WorkspaceFileFunctionTest extends BuildViewTestCase {
       return exists;
     }
 
-    private void setExists(boolean exists) {
+    void setExists(boolean exists) {
       this.exists = exists;
     }
 
@@ -94,7 +94,7 @@ public class WorkspaceFileFunctionTest extends BuildViewTestCase {
       return size;
     }
 
-    private void setSize(long size) {
+    void setSize(long size) {
       this.size = size;
     }
   }
@@ -125,7 +125,7 @@ public class WorkspaceFileFunctionTest extends BuildViewTestCase {
   }
 
   // Dummy harmcrest matcher that match the function name of a skykey
-  private static class SkyKeyMatchers extends BaseMatcher<SkyKey> {
+  static class SkyKeyMatchers extends BaseMatcher<SkyKey> {
     private final SkyFunctionName functionName;
     
     public SkyKeyMatchers(SkyFunctionName functionName) {