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JonCookJonCook
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Merge pull request eugenp#7972 from lukaszrys/feature/BAEL-3322_jimf
Feature/bael 3322 jimfs
2 parents 22deaaa + bb01783 commit b871797

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9 files changed

+313
-55
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‎testing-modules/mocks/pom.xml

Lines changed: 62 additions & 55 deletions
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>mocks</artifactId>
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<name>mocks</name>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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<relativePath>../../</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>com.github.javafaker</groupId>
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<artifactId>javafaker</artifactId>
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<version>${javafaker.version}</version>
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</dependency>
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<dependency>
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<groupId>org.jmockit</groupId>
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<artifactId>jmockit</artifactId>
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<version>${jmockit.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.jukito</groupId>
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<artifactId>jukito</artifactId>
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<version>${jukito.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<version>${mockito.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.easymock</groupId>
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<artifactId>easymock</artifactId>
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<version>${easymock.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<properties>
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<javafaker.version>0.15</javafaker.version>
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<jukito.version>1.5</jukito.version>
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<mockito.version>2.21.0</mockito.version>
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<easymock.version>3.5.1</easymock.version>
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<jmockit.version>1.41</jmockit.version>
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</properties>
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</project>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>mocks</artifactId>
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<name>mocks</name>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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<relativePath>../../</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>com.github.javafaker</groupId>
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<artifactId>javafaker</artifactId>
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<version>${javafaker.version}</version>
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</dependency>
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<dependency>
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<groupId>org.jmockit</groupId>
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<artifactId>jmockit</artifactId>
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<version>${jmockit.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.jukito</groupId>
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<artifactId>jukito</artifactId>
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<version>${jukito.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<version>${mockito.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.easymock</groupId>
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<artifactId>easymock</artifactId>
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<version>${easymock.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.google.jimfs</groupId>
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<artifactId>jimfs</artifactId>
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<version>${jimf.version}</version>
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</dependency>
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</dependencies>
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<properties>
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<javafaker.version>0.15</javafaker.version>
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<jukito.version>1.5</jukito.version>
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<mockito.version>2.21.0</mockito.version>
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<easymock.version>3.5.1</easymock.version>
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<jmockit.version>1.41</jmockit.version>
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<jimf.version>1.1</jimf.version>
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</properties>
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</project>

‎testing-modules/mocks/src/main/java/com/baeldung/jimfs/FileManipulation.java

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package com.baeldung.jimfs;
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import java.io.IOException;
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import java.io.UncheckedIOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.StandardCopyOption;
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public class FileManipulation {
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void move(final Path origin, final Path destination) {
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try {
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Files.createDirectories(destination);
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Files.move(origin, destination, StandardCopyOption.REPLACE_EXISTING);
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} catch (final IOException ex) {
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throw new UncheckedIOException(ex);
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}
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}
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}

‎testing-modules/mocks/src/main/java/com/baeldung/jimfs/FilePathReader.java

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package com.baeldung.jimfs;
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import java.io.IOException;
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import java.io.UncheckedIOException;
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import java.nio.file.Path;
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class FilePathReader {
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String getSystemPath(final Path path) {
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try {
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return path
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.toRealPath()
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.toString();
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} catch (final IOException ex) {
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throw new UncheckedIOException(ex);
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}
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}
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}

‎testing-modules/mocks/src/main/java/com/baeldung/jimfs/FileRepository.java

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package com.baeldung.jimfs;
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import java.io.IOException;
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import java.io.UncheckedIOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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public class FileRepository {
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void create(final Path path, final String fileName) {
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final Path filePath = path.resolve(fileName);
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try {
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Files.createFile(filePath);
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} catch (final IOException ex) {
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throw new UncheckedIOException(ex);
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}
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}
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String read(final Path path) {
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try {
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return new String(Files.readAllBytes(path));
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} catch (final IOException ex) {
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throw new UncheckedIOException(ex);
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}
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}
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String update(final Path path, final String newContent) {
28+
try {
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Files.write(path, newContent.getBytes());
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return newContent;
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} catch (final IOException ex) {
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throw new UncheckedIOException(ex);
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}
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}
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void delete(final Path path) {
37+
try {
38+
Files.deleteIfExists(path);
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} catch (final IOException ex) {
40+
throw new UncheckedIOException(ex);
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}
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}
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}

‎testing-modules/mocks/src/test/java/com/baeldung/jimfs/FileManipulationUnitTest.java

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package com.baeldung.jimfs;
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import com.google.common.jimfs.Configuration;
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import com.google.common.jimfs.Jimfs;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import java.nio.file.FileSystem;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.stream.Stream;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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class FileManipulationUnitTest implements FileTestProvider {
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private final FileManipulation fileManipulation = new FileManipulation();
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private static Stream<Arguments> provideFileSystem() {
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return Stream.of(Arguments.of(Jimfs.newFileSystem(Configuration.unix())), Arguments.of(Jimfs.newFileSystem(Configuration.windows())), Arguments.of(Jimfs.newFileSystem(Configuration.osX())));
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}
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@ParameterizedTest
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@DisplayName("Should move file to new destination")
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@MethodSource("provideFileSystem")
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void givenEachSystem_whenMovingFile_thenMovedToNewPath(final FileSystem fileSystem) throws Exception {
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final Path origin = fileSystem.getPath(RESOURCE_FILE_NAME);
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Files.copy(getResourceFilePath(), origin);
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final Path destination = fileSystem.getPath("newDirectory", RESOURCE_FILE_NAME);
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fileManipulation.move(origin, destination);
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assertFalse(Files.exists(origin));
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assertTrue(Files.exists(destination));
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}
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}

‎testing-modules/mocks/src/test/java/com/baeldung/jimfs/FilePathReaderUnitTest.java

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package com.baeldung.jimfs;
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3+
import com.google.common.jimfs.Configuration;
4+
import com.google.common.jimfs.Jimfs;
5+
import org.junit.jupiter.api.DisplayName;
6+
import org.junit.jupiter.api.Test;
7+
8+
import java.nio.file.FileSystem;
9+
import java.nio.file.Files;
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import java.nio.file.Path;
11+
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import static org.junit.jupiter.api.Assertions.assertEquals;
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class FilePathReaderUnitTest {
15+
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private static final String DIRECTORY_NAME = "baeldung";
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private final FilePathReader filePathReader = new FilePathReader();
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@Test
21+
@DisplayName("Should get path on windows")
22+
void givenWindowsSystem_shouldGetPath_thenReturnWindowsPath() throws Exception {
23+
final FileSystem fileSystem = Jimfs.newFileSystem(Configuration.windows());
24+
final Path path = getPathToFile(fileSystem);
25+
26+
final String stringPath = filePathReader.getSystemPath(path);
27+
28+
assertEquals("C:\\work\\" + DIRECTORY_NAME, stringPath);
29+
}
30+
31+
@Test
32+
@DisplayName("Should get path on unix")
33+
void givenUnixSystem_shouldGetPath_thenReturnUnixPath() throws Exception {
34+
final FileSystem fileSystem = Jimfs.newFileSystem(Configuration.unix());
35+
final Path path = getPathToFile(fileSystem);
36+
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final String stringPath = filePathReader.getSystemPath(path);
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assertEquals("/work/" + DIRECTORY_NAME, stringPath);
40+
}
41+
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private Path getPathToFile(final FileSystem fileSystem) throws Exception {
43+
final Path path = fileSystem.getPath(DIRECTORY_NAME);
44+
Files.createDirectory(path);
45+
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return path;
47+
}
48+
}

‎testing-modules/mocks/src/test/java/com/baeldung/jimfs/FileRepositoryUnitTest.java

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package com.baeldung.jimfs;
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3+
import com.google.common.jimfs.Configuration;
4+
import com.google.common.jimfs.Jimfs;
5+
import org.junit.jupiter.api.DisplayName;
6+
import org.junit.jupiter.api.Test;
7+
8+
import java.nio.file.FileSystem;
9+
import java.nio.file.Files;
10+
import java.nio.file.Path;
11+
12+
import static org.junit.jupiter.api.Assertions.*;
13+
14+
class FileRepositoryUnitTest implements FileTestProvider {
15+
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private final FileRepository fileRepository = new FileRepository();
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@Test
19+
@DisplayName("Should create a file on a file system")
20+
void givenUnixSystem_whenCreatingFile_thenCreatedInPath() {
21+
final FileSystem fileSystem = Jimfs.newFileSystem(Configuration.unix());
22+
final String fileName = "newFile.txt";
23+
final Path pathToStore = fileSystem.getPath("");
24+
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fileRepository.create(pathToStore, fileName);
26+
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assertTrue(Files.exists(pathToStore.resolve(fileName)));
28+
}
29+
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@Test
31+
@DisplayName("Should read the content of the file")
32+
void givenOSXSystem_whenReadingFile_thenContentIsReturned() throws Exception {
33+
final FileSystem fileSystem = Jimfs.newFileSystem(Configuration.osX());
34+
final Path resourceFilePath = fileSystem.getPath(RESOURCE_FILE_NAME);
35+
Files.copy(getResourceFilePath(), resourceFilePath);
36+
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final String content = fileRepository.read(resourceFilePath);
38+
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assertEquals(FILE_CONTENT, content);
40+
}
41+
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@Test
43+
@DisplayName("Should update the content of the file")
44+
void givenWindowsSystem_whenUpdatingFile_thenContentHasChanged() throws Exception {
45+
final FileSystem fileSystem = Jimfs.newFileSystem(Configuration.windows());
46+
final Path resourceFilePath = fileSystem.getPath(RESOURCE_FILE_NAME);
47+
Files.copy(getResourceFilePath(), resourceFilePath);
48+
final String newContent = "I'm updating you.";
49+
50+
final String content = fileRepository.update(resourceFilePath, newContent);
51+
52+
assertEquals(newContent, content);
53+
assertEquals(newContent, fileRepository.read(resourceFilePath));
54+
}
55+
56+
@Test
57+
@DisplayName("Should delete file")
58+
void givenCurrentSystem_whenDeletingFile_thenFileHasBeenDeleted() throws Exception {
59+
final FileSystem fileSystem = Jimfs.newFileSystem();
60+
final Path resourceFilePath = fileSystem.getPath(RESOURCE_FILE_NAME);
61+
Files.copy(getResourceFilePath(), resourceFilePath);
62+
63+
fileRepository.delete(resourceFilePath);
64+
65+
assertFalse(Files.exists(resourceFilePath));
66+
}
67+
}

‎testing-modules/mocks/src/test/java/com/baeldung/jimfs/FileTestProvider.java

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package com.baeldung.jimfs;
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3+
import java.nio.file.Path;
4+
import java.nio.file.Paths;
5+
6+
public interface FileTestProvider {
7+
String FILE_CONTENT = "I'm the file content.";
8+
String RESOURCE_FILE_NAME = "fileRepositoryRead.txt";
9+
10+
default Path getResourceFilePath() {
11+
final String resourceFilePath = getClass()
12+
.getResource("/" + RESOURCE_FILE_NAME)
13+
.getPath();
14+
return Paths.get(resourceFilePath);
15+
}
16+
}

‎testing-modules/mocks/src/test/resources/fileRepositoryRead.txt

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I'm the file content.

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