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// 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.Root;
import com.google.devtools.build.lib.vfs.RootedPath;
import com.google.devtools.build.skyframe.SkyFunction;
import com.google.devtools.build.skyframe.SkyFunctionException;
import java.io.IOException;
import java.util.List;
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;
/**
* 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.getDefaultWorkspacePrefix()).thenReturn("");
Mockito.when(ruleClassProviderSpy.getDefaultWorkspaceSuffix()).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(
Root.fromPath(workspacePath.getParentDirectory()),
PathFragment.create(workspacePath.getBaseName()));
}
private SkyFunction.Environment getEnv() throws InterruptedException {
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);
}
}
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