How to use assertThatFileList method of org.testcontainers.JarFileShadingTest class

Best Testcontainers-java code snippet using org.testcontainers.JarFileShadingTest.assertThatFileList

Source:JarFileShadingTest.java

...7import static org.assertj.core.api.Assertions.assertThat;8public class JarFileShadingTest extends AbstractJarFileTest {9    @Test10    public void testPackages() throws Exception {11        assertThatFileList(root).containsOnly(12                "docker-java.properties",13                "org",14                "META-INF",15                "com"16        );17        assertThatFileList(root.resolve("org")).containsOnly(18                "testcontainers"19        );20        assertThatFileList(root.resolve("com")).containsOnly(21                "github"22        );23        assertThatFileList(root.resolve("com").resolve("github")).containsOnly(24                "dockerjava"25        );26    }27    @Test28    public void testMetaInf() throws Exception {29        assertThatFileList(root.resolve("META-INF")).containsOnly(30                "MANIFEST.MF",31                "services",32                "native"33        );34        assertThatFileList(root.resolve("META-INF").resolve("native")).containsOnly(35                "liborg-testcontainers-shaded-netty-transport-native-epoll.so",36                "liborg-testcontainers-shaded-netty-transport-native-kqueue.jnilib"37        );38    }39    @Test40    public void testMetaInfServices() throws Exception {41        assertThatFileList(root.resolve("META-INF").resolve("services"))42                .allMatch(it -> it.startsWith("org.testcontainers."));43    }44    private ListAssert<String> assertThatFileList(Path path) throws IOException {45        return (ListAssert) assertThat(Files.list(path))46                .extracting(Path::getFileName)47                .extracting(Path::toString)48                .extracting(it -> it.endsWith("/") ? it.substring(0, it.length() - 1) : it);49    }50}...

assertThatFileList

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1public void test() throws Exception {2    assertThatFileList("org/testcontainers/containers/ContainerFetchTest.class")3        .containsOnly("org/testcontainers/containers/ContainerFetchTest.class");4}5package org.testcontainers;6import org.junit.Test;7import java.io.File;8import java.io.IOException;9import java.net.URL;10import java.nio.file.Files;11import java.nio.file.Paths;12import java.util.Enumeration;13import java.util.List;14import java.util.jar.JarEntry;15import java.util.jar.JarFile;16import java.util.stream.Collectors;17import static org.assertj.core.api.Assertions.assertThat;18public class JarFileShadingTest {19    private static final String TESTCONTAINERS_JAR = "testcontainers-1.12.3.jar";20    public void test() throws Exception {21        assertThatFileList("org/testcontainers/containers/ContainerFetchTest.class")22            .containsOnly("org/testcontainers/containers/ContainerFetchTest.class");23    }24    public static FileListAssert assertThatFileList(String path) throws IOException {25        return new FileListAssert(path);26    }27    public static class FileListAssert {28        private final List<String> files;29        public FileListAssert(String path) throws IOException {30            JarFile jarFile = new JarFile(TESTCONTAINERS_JAR);31            Enumeration<JarEntry> entries = jarFile.entries();32            files = Files.walk(Paths.get(jarFile.getName()))33                .filter(Files::isRegularFile)34                .map(path1 -> {35                    try {36                        return new URL("jar:file:" + jarFile.getName() + "!/" + path1.toAbsolutePath().toString()).getPath();37                    } catch (IOException e) {38                        throw new RuntimeException(e);39                    }40                })41                .filter(s -> s.contains(path))42                .collect(Collectors.toList());43        }44        public FileListAssert containsOnly(String... files) {45            assertThat(this.files).containsOnly(files);46            return this;47        }48    }49}

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