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// Copyright 2018 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.packages;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.events.Event;
import com.google.devtools.build.lib.events.StoredEventHandler;
import com.google.devtools.build.lib.syntax.Mutability;
import com.google.devtools.build.lib.syntax.ParserInputSource;
import com.google.devtools.build.lib.syntax.SkylarkSemantics;
import com.google.devtools.build.lib.testutil.Scratch;
import com.google.devtools.build.lib.testutil.TestRuleClassProvider;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.Path;
import java.io.IOException;
import java.util.List;
/** Parses a WORKSPACE file with the given content. */
class WorkspaceFactoryTestHelper {
private final Package.Builder builder;
private final Exception exception;
private final ImmutableList<Event> events;
WorkspaceFactoryTestHelper(String... args) {
this(true, args);
}
WorkspaceFactoryTestHelper(boolean allowOverride, String... args) {
this(new Scratch("/"), allowOverride, args);
}
WorkspaceFactoryTestHelper(Scratch scratch, boolean allowOverride, String... args) {
Path root = null;
Path workspaceFilePath = null;
try {
root = scratch.dir("/workspace");
workspaceFilePath = scratch.overwriteFile("/workspace/WORKSPACE", args);
} catch (IOException e) {
fail("Shouldn't happen: " + e.getMessage());
}
StoredEventHandler eventHandler = new StoredEventHandler();
builder =
Package.newExternalPackageBuilder(
Package.Builder.DefaultHelper.INSTANCE, workspaceFilePath, "");
WorkspaceFactory factory =
new WorkspaceFactory(
builder,
TestRuleClassProvider.getRuleClassProvider(),
ImmutableList.<PackageFactory.EnvironmentExtension>of(),
Mutability.create("test"),
allowOverride,
root,
root);
Exception exception = null;
try {
byte[] bytes =
FileSystemUtils.readWithKnownFileSize(workspaceFilePath, workspaceFilePath.getFileSize());
factory.parse(
ParserInputSource.create(bytes, workspaceFilePath.asFragment()),
SkylarkSemantics.DEFAULT_SEMANTICS,
eventHandler);
} catch (BuildFileContainsErrorsException e) {
exception = e;
} catch (IOException | InterruptedException e) {
fail("Shouldn't happen: " + e.getMessage());
}
this.events = eventHandler.getEvents();
this.exception = exception;
}
public Package getPackage() throws InterruptedException, NoSuchPackageException {
return builder.build();
}
public void assertLexingExceptionThrown() {
assertThat(exception).isNotNull();
assertThat(exception).hasMessageThat().contains("Failed to parse /workspace/WORKSPACE");
}
public String getLexerError() {
assertThat(events).hasSize(1);
return events.get(0).getMessage();
}
public String getParserError() {
List<Event> events = builder.getEvents();
assertThat(events.size()).isGreaterThan(0);
return events.get(0).getMessage();
}
}
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