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// Copyright 2014 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.util;
import static com.google.common.truth.Truth.assertThat;
import static com.google.devtools.build.lib.util.ShellEscaper.escapeString;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableSet;
import java.util.Arrays;
import java.util.Set;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link ShellEscaper}.
*
* <p>Based on {@code com.google.io.base.shell.ShellUtilsTest}.
*/
@RunWith(JUnit4.class)
public class ShellEscaperTest {
@Test
public void shellEscape() throws Exception {
assertThat(escapeString("")).isEqualTo("''");
assertThat(escapeString("foo")).isEqualTo("foo");
assertThat(escapeString("foo bar")).isEqualTo("'foo bar'");
assertThat(escapeString("'foo'")).isEqualTo("''\\''foo'\\'''");
assertThat(escapeString("\\'foo\\'")).isEqualTo("'\\'\\''foo\\'\\'''");
assertThat(escapeString("${filename%.c}.o")).isEqualTo("'${filename%.c}.o'");
assertThat(escapeString("<html!>")).isEqualTo("'<html!>'");
}
@Test
public void escapeAll() throws Exception {
Set<String> escaped = ImmutableSet.copyOf(
ShellEscaper.escapeAll(Arrays.asList("foo", "@bar", "baz'qux")));
assertThat(escaped).containsExactly("foo", "@bar", "'baz'\\''qux'");
}
@Test
public void escapeJoinAllIntoAppendable() throws Exception {
Appendable appendable = ShellEscaper.escapeJoinAll(
new StringBuilder("initial"), Arrays.asList("foo", "$BAR"));
assertThat(appendable.toString()).isEqualTo("initialfoo '$BAR'");
}
@Test
public void escapeJoinAllIntoAppendableWithCustomJoiner() throws Exception {
Appendable appendable = ShellEscaper.escapeJoinAll(
new StringBuilder("initial"), Arrays.asList("foo", "$BAR"), Joiner.on('|'));
assertThat(appendable.toString()).isEqualTo("initialfoo|'$BAR'");
}
@Test
public void escapeJoinAll() throws Exception {
String actual = ShellEscaper.escapeJoinAll(
Arrays.asList("foo", "@echo:-", "100", "$US", "a b", "\"qu'ot'es\"", "\"quot\"", "\\"));
assertThat(actual)
.isEqualTo("foo @echo:- 100 '$US' 'a b' '\"qu'\\''ot'\\''es\"' '\"quot\"' '\\'");
}
@Test
public void escapeJoinAllWithCustomJoiner() throws Exception {
String actual = ShellEscaper.escapeJoinAll(
Arrays.asList("foo", "@echo:-", "100", "$US", "a b", "\"qu'ot'es\"", "\"quot\"", "\\"),
Joiner.on('|'));
assertThat(actual)
.isEqualTo("foo|@echo:-|100|'$US'|'a b'|'\"qu'\\''ot'\\''es\"'|'\"quot\"'|'\\'");
}
}
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