protected void setup()

in src/testFixtures/java/org/apache/cassandra/sidecar/snapshots/AbstractSnapshotPathBuilderTest.java [77:155]
60 lines of code
1 McCabe index (conditional complexity)

    protected void setup() throws IOException
    {
        ValidationConfiguration validationConfiguration = new TestValidationConfiguration();
        validator = new CassandraInputValidator(validationConfiguration);
        Guice.createInjector(new AbstractModule()
        {
            protected void configure()
            {
                bind(ValidationConfiguration.class).toInstance(validationConfiguration);
            }
        });

        InstancesConfig mockInstancesConfig = mock(InstancesConfig.class);
        InstanceMetadata mockInstanceMeta = mock(InstanceMetadata.class);
        InstanceMetadata mockInvalidDataDirInstanceMeta = mock(InstanceMetadata.class);
        InstanceMetadata mockEmptyDataDirInstanceMeta = mock(InstanceMetadata.class);

        when(mockInstancesConfig.instanceFromHost("localhost")).thenReturn(mockInstanceMeta);
        when(mockInstanceMeta.dataDirs()).thenReturn(Arrays.asList(dataDir0.getAbsolutePath(),
                                                                   dataDir1.getAbsolutePath()));

        when(mockInstancesConfig.instanceFromHost("invalidDataDirInstance")).thenReturn(mockInvalidDataDirInstanceMeta);
        String invalidDirPath = dataDir0.getParentFile().getAbsolutePath() + "/invalid-data-dir";
        when(mockInvalidDataDirInstanceMeta.dataDirs()).thenReturn(Collections.singletonList(invalidDirPath));

        when(mockInstancesConfig.instanceFromHost("emptyDataDirInstance")).thenReturn(mockEmptyDataDirInstanceMeta);
        when(mockEmptyDataDirInstanceMeta.dataDirs()).thenReturn(Collections.emptyList());

        // Create some files and directories
        new File(dataDir0, "not_a_keyspace_dir").createNewFile();
        new File(dataDir0, "ks1/table1/snapshots/backup.2022-03-17-04-PDT/not_a_file.db").mkdirs();
        new File(dataDir0, "ks1/not_a_table_dir").createNewFile();
        new File(dataDir0, "ks1/table1/snapshots/not_a_snapshot_dir").createNewFile();
        new File(dataDir0, "data/ks2/table2/snapshots/ea823202-a62c-4603-bb6a-4e15d79091cd").mkdirs();

        new File(dataDir1, "ks3/table3/snapshots/snapshot1").mkdirs();

        // this is a different table with the same "table4" prefix
        new File(dataDir1, "data/ks4/table4abc-a72c8740a57611ec935db766a70c44a1" +
                           "/snapshots/this_is_a_valid_snapshot_name_i_❤_u").mkdirs();

        // table && table-<TABLE_UUID>
        new File(dataDir0, "ks1/a_table/snapshots/a_snapshot/").mkdirs();
        new File(dataDir0, "ks1/a_table-a72c8740a57611ec935db766a70c44a1/snapshots/a_snapshot/").mkdirs();

        // create some files inside snapshot backup.2022-03-17-04-PDT
        new File(dataDir0, "ks1/table1/snapshots/backup.2022-03-17-04-PDT/data.db").createNewFile();
        new File(dataDir0, "ks1/table1/snapshots/backup.2022-03-17-04-PDT/index.db").createNewFile();
        new File(dataDir0, "ks1/table1/snapshots/backup.2022-03-17-04-PDT/nb-203-big-TOC.txt").createNewFile();

        // create some files inside snapshot ea823202-a62c-4603-bb6a-4e15d79091cd
        new File(dataDir0, "data/ks2/table2/snapshots/ea823202-a62c-4603-bb6a-4e15d79091cd/data.db")
        .createNewFile();
        new File(dataDir0, "data/ks2/table2/snapshots/ea823202-a62c-4603-bb6a-4e15d79091cd/index.db")
        .createNewFile();
        new File(dataDir0, "data/ks2/table2/snapshots/ea823202-a62c-4603-bb6a-4e15d79091cd/nb-203-big-TOC.txt")
        .createNewFile();

        // create some files inside snapshot snapshot1 in dataDir1
        new File(dataDir1, "ks3/table3/snapshots/snapshot1/data.db").createNewFile();
        new File(dataDir1, "ks3/table3/snapshots/snapshot1/index.db").createNewFile();
        new File(dataDir1, "ks3/table3/snapshots/snapshot1/nb-203-big-TOC.txt").createNewFile();

        new File(dataDir1, "data/ks4/table4abc-a72c8740a57611ec935db766a70c44a1" +
                           "/snapshots/this_is_a_valid_snapshot_name_i_❤_u/data.db").createNewFile();
        new File(dataDir1, "data/ks4/table4abc-a72c8740a57611ec935db766a70c44a1" +
                           "/snapshots/this_is_a_valid_snapshot_name_i_❤_u/index.db").createNewFile();
        new File(dataDir1, "data/ks4/table4abc-a72c8740a57611ec935db766a70c44a1" +
                           "/snapshots/this_is_a_valid_snapshot_name_i_❤_u/nb-203-big-TOC.txt").createNewFile();

        vertx = Vertx.vertx();
        Configuration configuration = mock(Configuration.class);
        WorkerPoolConfiguration workerPoolConf = new WorkerPoolConfiguration("test-pool", 10,
                                                                             TimeUnit.SECONDS.toMillis(30));
        when(configuration.serverWorkerPoolConfiguration()).thenReturn(workerPoolConf);
        when(configuration.serverInternalWorkerPoolConfiguration()).thenReturn(workerPoolConf);
        executorPools = new ExecutorPools(vertx, configuration);
        instance = initialize(vertx, mockInstancesConfig, executorPools);
    }