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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.actions;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.Artifact.ArtifactExpander;
import com.google.devtools.build.lib.actions.CommandLines.CommandLineLimits;
import com.google.devtools.build.lib.actions.CommandLines.ExpandedCommandLines;
import com.google.devtools.build.lib.actions.ParameterFile.ParameterFileType;
import com.google.devtools.build.lib.vfs.PathFragment;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link CommandLines}. */
@RunWith(JUnit4.class)
public class CommandLinesTest {
private final ArtifactExpander artifactExpander = null;
private final PathFragment execPath = PathFragment.create("output.txt");
private static final CommandLineLimits NO_LIMIT = new CommandLineLimits(10000);
@Test
public void testSimpleCommandLine() throws Exception {
CommandLines commandLines =
CommandLines.builder()
.addCommandLine(CommandLine.of(ImmutableList.of("--foo", "--bar")))
.build();
ExpandedCommandLines expanded = commandLines.expand(artifactExpander, execPath, NO_LIMIT, 0);
assertThat(commandLines.allArguments()).containsExactly("--foo", "--bar");
assertThat(expanded.arguments()).containsExactly("--foo", "--bar");
assertThat(expanded.getParamFiles()).isEmpty();
}
@Test
public void testFromArguments() throws Exception {
CommandLines commandLines = CommandLines.of(ImmutableList.of("--foo", "--bar"));
ExpandedCommandLines expanded = commandLines.expand(artifactExpander, execPath, NO_LIMIT, 0);
assertThat(commandLines.allArguments()).containsExactly("--foo", "--bar");
assertThat(expanded.arguments()).containsExactly("--foo", "--bar");
assertThat(expanded.getParamFiles()).isEmpty();
}
@Test
public void testConcat() throws Exception {
CommandLines commandLines =
CommandLines.concat(
CommandLine.of(ImmutableList.of("--before")),
CommandLines.of(ImmutableList.of("--foo", "--bar")));
ExpandedCommandLines expanded = commandLines.expand(artifactExpander, execPath, NO_LIMIT, 0);
assertThat(commandLines.allArguments()).containsExactly("--before", "--foo", "--bar");
assertThat(expanded.arguments()).containsExactly("--before", "--foo", "--bar");
assertThat(expanded.getParamFiles()).isEmpty();
}
@Test
public void testSimpleParamFileUseAlways() throws Exception {
CommandLines commandLines =
CommandLines.builder()
.addCommandLine(
CommandLine.of(ImmutableList.of("--foo", "--bar")),
ParamFileInfo.builder(ParameterFileType.UNQUOTED).setUseAlways(true).build())
.build();
ExpandedCommandLines expanded = commandLines.expand(artifactExpander, execPath, NO_LIMIT, 0);
assertThat(commandLines.allArguments()).containsExactly("--foo", "--bar");
assertThat(expanded.arguments()).containsExactly("@output.txt-0.params");
assertThat(expanded.getParamFiles()).hasSize(1);
assertThat(expanded.getParamFiles().get(0).arguments).containsExactly("--foo", "--bar");
}
@Test
public void testMaybeUseParamsFiles() throws Exception {
CommandLines commandLines =
CommandLines.builder()
.addCommandLine(
CommandLine.of(ImmutableList.of("--foo", "--bar")),
ParamFileInfo.builder(ParameterFileType.UNQUOTED).setUseAlways(false).build())
.build();
// Set max length to longer than command line, no param file needed
ExpandedCommandLines expanded = commandLines.expand(artifactExpander, execPath, NO_LIMIT, 0);
assertThat(expanded.arguments()).containsExactly("--foo", "--bar");
assertThat(expanded.getParamFiles()).isEmpty();
// Set max length to 0, spill to param file is forced
expanded = commandLines.expand(artifactExpander, execPath, new CommandLineLimits(0), 0);
assertThat(expanded.arguments()).containsExactly("@output.txt-0.params");
assertThat(expanded.getParamFiles()).hasSize(1);
assertThat(expanded.getParamFiles().get(0).arguments).containsExactly("--foo", "--bar");
}
@Test
public void testMixOfCommandLinesAndParamFiles() throws Exception {
CommandLines commandLines =
CommandLines.builder()
.addCommandLine(CommandLine.of(ImmutableList.of("a", "b")))
.addCommandLine(
CommandLine.of(ImmutableList.of("c", "d")),
ParamFileInfo.builder(ParameterFileType.UNQUOTED).setUseAlways(true).build())
.addCommandLine(CommandLine.of(ImmutableList.of("e", "f")))
.addCommandLine(
CommandLine.of(ImmutableList.of("g", "h")),
ParamFileInfo.builder(ParameterFileType.UNQUOTED).setUseAlways(true).build())
.build();
ExpandedCommandLines expanded = commandLines.expand(artifactExpander, execPath, NO_LIMIT, 0);
assertThat(commandLines.allArguments()).containsExactly("a", "b", "c", "d", "e", "f", "g", "h");
assertThat(expanded.arguments())
.containsExactly("a", "b", "@output.txt-0.params", "e", "f", "@output.txt-1.params");
assertThat(expanded.getParamFiles()).hasSize(2);
assertThat(expanded.getParamFiles().get(0).arguments).containsExactly("c", "d");
assertThat(expanded.getParamFiles().get(0).paramFileExecPath.getPathString())
.isEqualTo("output.txt-0.params");
assertThat(expanded.getParamFiles().get(1).arguments).containsExactly("g", "h");
assertThat(expanded.getParamFiles().get(1).paramFileExecPath.getPathString())
.isEqualTo("output.txt-1.params");
}
@Test
public void testFirstParamFilePassesButSecondFailsLengthTest() throws Exception {
CommandLines commandLines =
CommandLines.builder()
.addCommandLine(
CommandLine.of(ImmutableList.of("a", "b")),
ParamFileInfo.builder(ParameterFileType.UNQUOTED).setUseAlways(false).build())
.addCommandLine(
CommandLine.of(ImmutableList.of("c", "d")),
ParamFileInfo.builder(ParameterFileType.UNQUOTED).setUseAlways(false).build())
.build();
ExpandedCommandLines expanded =
commandLines.expand(artifactExpander, execPath, new CommandLineLimits(4), 0);
assertThat(commandLines.allArguments()).containsExactly("a", "b", "c", "d");
assertThat(expanded.arguments()).containsExactly("a", "b", "@output.txt-0.params");
assertThat(expanded.getParamFiles()).hasSize(1);
assertThat(expanded.getParamFiles().get(0).arguments).containsExactly("c", "d");
}
}
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