DateProcessorFactoryTests.java example

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package org.elasticsearch.ingest.common;

import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.test.ESTestCase;
import org.joda.time.DateTimeZone;

import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalTo;

public class DateProcessorFactoryTests extends ESTestCase {

    public void testBuildDefaults() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String sourceField = randomAlphaOfLengthBetween(1, 10);
        config.put("field", sourceField);
        config.put("formats", Collections.singletonList("dd/MM/yyyyy"));
        String processorTag = randomAlphaOfLength(10);
        DateProcessor processor = factory.create(null, processorTag, config);
        assertThat(processor.getTag(), equalTo(processorTag));
        assertThat(processor.getField(), equalTo(sourceField));
        assertThat(processor.getTargetField(), equalTo(DateProcessor.DEFAULT_TARGET_FIELD));
        assertThat(processor.getFormats(), equalTo(Collections.singletonList("dd/MM/yyyyy")));
        assertThat(processor.getLocale(), equalTo(Locale.ENGLISH));
        assertThat(processor.getTimezone(), equalTo(DateTimeZone.UTC));
    }

    public void testMatchFieldIsMandatory() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String targetField = randomAlphaOfLengthBetween(1, 10);
        config.put("target_field", targetField);
        config.put("formats", Collections.singletonList("dd/MM/yyyyy"));

        try {
            factory.create(null, null, config);
            fail("processor creation should have failed");
        } catch(ElasticsearchParseException e) {
            assertThat(e.getMessage(), containsString("[field] required property is missing"));
        }
    }

    public void testMatchFormatsIsMandatory() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String sourceField = randomAlphaOfLengthBetween(1, 10);
        String targetField = randomAlphaOfLengthBetween(1, 10);
        config.put("field", sourceField);
        config.put("target_field", targetField);

        try {
            factory.create(null, null, config);
            fail("processor creation should have failed");
        } catch(ElasticsearchParseException e) {
            assertThat(e.getMessage(), containsString("[formats] required property is missing"));
        }
    }

    public void testParseLocale() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String sourceField = randomAlphaOfLengthBetween(1, 10);
        config.put("field", sourceField);
        config.put("formats", Collections.singletonList("dd/MM/yyyyy"));
        Locale locale = randomLocale(random());
        config.put("locale", locale.toLanguageTag());

        DateProcessor processor = factory.create(null, null, config);
        assertThat(processor.getLocale().toLanguageTag(), equalTo(locale.toLanguageTag()));
    }

    public void testParseInvalidLocale() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String sourceField = randomAlphaOfLengthBetween(1, 10);
        config.put("field", sourceField);
        config.put("formats", Collections.singletonList("dd/MM/yyyyy"));
        config.put("locale", "invalid_locale");
        try {
            factory.create(null, null, config);
            fail("should fail with invalid locale");
        } catch (IllegalArgumentException e) {
            assertThat(e.getMessage(), equalTo("Invalid language tag specified: invalid_locale"));
        }
    }

    public void testParseTimezone() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String sourceField = randomAlphaOfLengthBetween(1, 10);
        config.put("field", sourceField);
        config.put("formats", Collections.singletonList("dd/MM/yyyyy"));

        DateTimeZone timezone = randomDateTimeZone();
        config.put("timezone", timezone.getID());
        DateProcessor processor = factory.create(null, null, config);
        assertThat(processor.getTimezone(), equalTo(timezone));
    }

    public void testParseInvalidTimezone() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String sourceField = randomAlphaOfLengthBetween(1, 10);
        config.put("field", sourceField);
        config.put("match_formats", Collections.singletonList("dd/MM/yyyyy"));
        config.put("timezone", "invalid_timezone");
        try {
            factory.create(null, null, config);
            fail("invalid timezone should fail");
        } catch (IllegalArgumentException e) {
            assertThat(e.getMessage(), equalTo("The datetime zone id 'invalid_timezone' is not recognised"));
        }
    }

    public void testParseMatchFormats() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String sourceField = randomAlphaOfLengthBetween(1, 10);
        config.put("field", sourceField);
        config.put("formats", Arrays.asList("dd/MM/yyyy", "dd-MM-yyyy"));

        DateProcessor processor = factory.create(null, null, config);
        assertThat(processor.getFormats(), equalTo(Arrays.asList("dd/MM/yyyy", "dd-MM-yyyy")));
    }

    public void testParseMatchFormatsFailure() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String sourceField = randomAlphaOfLengthBetween(1, 10);
        config.put("field", sourceField);
        config.put("formats", "dd/MM/yyyy");

        try {
            factory.create(null, null, config);
            fail("processor creation should have failed");
        } catch(ElasticsearchParseException e) {
            assertThat(e.getMessage(), containsString("[formats] property isn't a list, but of type [java.lang.String]"));
        }
    }

    public void testParseTargetField() throws Exception {
        DateProcessor.Factory factory = new DateProcessor.Factory();
        Map<String, Object> config = new HashMap<>();
        String sourceField = randomAlphaOfLengthBetween(1, 10);
        String targetField = randomAlphaOfLengthBetween(1, 10);
        config.put("field", sourceField);
        config.put("target_field", targetField);
        config.put("formats", Arrays.asList("dd/MM/yyyy", "dd-MM-yyyy"));

        DateProcessor processor = factory.create(null, null, config);
        assertThat(processor.getTargetField(), equalTo(targetField));
    }
}