FieldFilterTest.java

/*
 * Copyright (C) 2015 Stratio (http://stratio.com)
 *
 * 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.stratio.morphlines.commons;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.kitesdk.morphline.api.Command;
import org.kitesdk.morphline.api.MorphlineContext;
import org.kitesdk.morphline.api.Record;

import java.io.IOException;
import java.util.List;

import static org.fest.assertions.Assertions.assertThat;

@RunWith(JUnit4.class)
public class FieldFilterTest extends BaseTest {

    @Before
    public void setUp() {
    }

    private Record record(String...args) {
        final Record record = new Record();
        for (List<String> parts : Lists.partition(ImmutableList.copyOf(args), 2)) {
            record.put(parts.get(0), parts.get(1));
        }
        return record;
    }

    @Test
    public void onlyIncludeNoRegex() throws IOException {
        final MorphlineContext context =  new MorphlineContext.Builder().build();
        Collector collectorParent = new Collector();
        Collector collectorChild = new Collector();
        final Command command = new FieldFilterBuilder().build(
                parse("/fieldfilter/onlyIncludeNoRegex.conf").getConfigList("commands").get(0).getConfig("fieldFilter"),
                collectorParent, collectorChild, context
        );

        Record record = record();
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record());
        collectorChild.reset();

        record = record(
                "field1", "value1",
                "field2", "value2",
                "field3", "value2"
        );
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record(
                "field1", "value1",
                "field2", "value2"
        ));
    }

    @Test
    public void onlyExcludeNoRegex() throws IOException {
        final MorphlineContext context =  new MorphlineContext.Builder().build();
        Collector collectorParent = new Collector();
        Collector collectorChild = new Collector();
        final Command command = new FieldFilterBuilder().build(
                parse("/fieldfilter/onlyExcludeNoRegex.conf").getConfigList("commands").get(0).getConfig("fieldFilter"),
                collectorParent, collectorChild, context
        );

        Record record = record();
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record());
        collectorChild.reset();

        record = record(
                "field1", "value1",
                "field2", "value2",
                "field3", "value3"
        );
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record(
                "field3", "value3"
        ));
    }

    @Test
    public void includeAndExcludeNoRegex() throws IOException {
        final MorphlineContext context =  new MorphlineContext.Builder().build();
        Collector collectorParent = new Collector();
        Collector collectorChild = new Collector();
        final Command command = new FieldFilterBuilder().build(
                parse("/fieldfilter/includeAndExcludeNoRegex.conf").getConfigList("commands").get(0).getConfig("fieldFilter"),
                collectorParent, collectorChild, context
        );

        Record record = record();
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record());
        collectorChild.reset();

        record = record(
                "field1", "value1",
                "field2", "value2",
                "field3", "value2"
        );
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record(
                "field1", "value1",
                "field2", "value2"
        ));
    }

    @Test
    public void onlyIncludeRegex() throws IOException {
        final MorphlineContext context =  new MorphlineContext.Builder().build();
        Collector collectorParent = new Collector();
        Collector collectorChild = new Collector();
        final Command command = new FieldFilterBuilder().build(
                parse("/fieldfilter/onlyIncludeRegex.conf").getConfigList("commands").get(0).getConfig("fieldFilter"),
                collectorParent, collectorChild, context
        );

        Record record = record();
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record());
        collectorChild.reset();

        record = record(
                "field1", "value1",
                "field2", "value2",
                "field3", "value3"
        );
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record(
                "field1", "value1",
                "field2", "value2"
        ));

        collectorChild.reset();

        record = record(
                "field1", "value1",
                "field2", "value2",
                "field3", "value3",
                "fieldRegex1Blah", "value",
                "fieldRegex2Blah", "value"
        );
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record(
                "field1", "value1",
                "field2", "value2",
                "fieldRegex1Blah", "value",
                "fieldRegex2Blah", "value"
        ));
    }

    @Test
    public void onlyExcludeRegex() throws IOException {
        final MorphlineContext context =  new MorphlineContext.Builder().build();
        Collector collectorParent = new Collector();
        Collector collectorChild = new Collector();
        final Command command = new FieldFilterBuilder().build(
                parse("/fieldfilter/onlyExcludeRegex.conf").getConfigList("commands").get(0).getConfig("fieldFilter"),
                collectorParent, collectorChild, context
        );

        Record record = record();
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record());
        collectorChild.reset();

        record = record(
                "field1", "value1",
                "field2", "value2",
                "field3", "value3"
        );
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record(
                "field3", "value3"
        ));

        collectorChild.reset();

        record = record(
                "field1", "value1",
                "field2", "value2",
                "field3", "value3",
                "fieldRegex1Blah", "value",
                "fieldRegex2Blah", "value"
        );
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record(
                "field3", "value3"
        ));
    }

    @Test
    public void includeAndExcludeRegex() throws IOException {
        final MorphlineContext context =  new MorphlineContext.Builder().build();
        Collector collectorParent = new Collector();
        Collector collectorChild = new Collector();
        final Command command = new FieldFilterBuilder().build(
                parse("/fieldfilter/includeAndExcludeRegex.conf").getConfigList("commands").get(0).getConfig("fieldFilter"),
                collectorParent, collectorChild, context
        );

        Record record = record();
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record());
        collectorChild.reset();

        record = record(
                "field1", "value1",
                "field2", "value2",
                "field3", "value3"
        );
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record(
                "field1", "value1",
                "field2", "value2"
        ));

        collectorChild.reset();

        record = record(
                "field1", "value1",
                "field2", "value2",
                "field3", "value3",
                "fieldRegex1foo", "value",
                "fieldRegex2bar", "value"
        );
        command.process(record);
        assertThat(collectorChild.getFirstRecord()).isEqualTo(record(
                "field1", "value1",
                "field2", "value2",
                "fieldRegex1foo", "value"
        ));
    }

}