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FilePermissionsTests.java
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FilePermissionsTests.java
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/*
* Copyright 2012-2021 the original author or authors.
*
* 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
*
* https://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 org.springframework.boot.buildpack.platform.io;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.FileAttribute;
import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.PosixFilePermissions;
import java.util.Collections;
import java.util.Set;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.condition.DisabledOnOs;
import org.junit.jupiter.api.condition.EnabledOnOs;
import org.junit.jupiter.api.condition.OS;
import org.junit.jupiter.api.io.TempDir;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIOException;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
/**
* Tests for {@link FilePermissions}.
*
* @author Scott Frederick
*/
class FilePermissionsTests {
@TempDir
Path tempDir;
@Test
@DisabledOnOs(OS.WINDOWS)
void umaskForPath() throws IOException {
FileAttribute<Set<PosixFilePermission>> fileAttribute = PosixFilePermissions
.asFileAttribute(PosixFilePermissions.fromString("rw-r-----"));
Path tempFile = Files.createTempFile(this.tempDir, "umask", null, fileAttribute);
assertThat(FilePermissions.umaskForPath(tempFile)).isEqualTo(0640);
}
@Test
@DisabledOnOs(OS.WINDOWS)
void umaskForPathWithNonExistentFile() throws IOException {
assertThatIOException()
.isThrownBy(() -> FilePermissions.umaskForPath(Paths.get(this.tempDir.toString(), "does-not-exist")));
}
@Test
@EnabledOnOs(OS.WINDOWS)
void umaskForPathOnWindowsFails() throws IOException {
Path tempFile = Files.createTempFile("umask", null);
assertThatIllegalStateException().isThrownBy(() -> FilePermissions.umaskForPath(tempFile))
.withMessageContaining("Unsupported file type for retrieving Posix attributes");
}
@Test
void umaskForPathWithNullPath() throws IOException {
assertThatIllegalArgumentException().isThrownBy(() -> FilePermissions.umaskForPath(null));
}
@Test
void posixPermissionsToUmask() {
Set<PosixFilePermission> permissions = PosixFilePermissions.fromString("rwxrw-r--");
assertThat(FilePermissions.posixPermissionsToUmask(permissions)).isEqualTo(0764);
}
@Test
void posixPermissionsToUmaskWithEmptyPermissions() {
Set<PosixFilePermission> permissions = Collections.emptySet();
assertThat(FilePermissions.posixPermissionsToUmask(permissions)).isEqualTo(0);
}
@Test
void posixPermissionsToUmaskWithNullPermissions() {
assertThatIllegalArgumentException().isThrownBy(() -> FilePermissions.posixPermissionsToUmask(null));
}
}