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* 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,
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package org.elasticsearch.ingest.common;
import org.elasticsearch.ingest.IngestDocument;
import org.elasticsearch.ingest.Processor;
import org.elasticsearch.test.ESTestCase;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static org.hamcrest.Matchers.equalTo;
public class DotExpanderProcessorTests extends ESTestCase {
public void testEscapeFields() throws Exception {
Map<String, Object> source = new HashMap<>();
source.put("foo.bar", "baz1");
IngestDocument document = new IngestDocument(source, Collections.emptyMap());
DotExpanderProcessor processor = new DotExpanderProcessor("_tag", null, "foo.bar");
processor.execute(document);
assertThat(document.getFieldValue("foo", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar", String.class), equalTo("baz1"));
source = new HashMap<>();
source.put("foo.bar.baz", "value");
document = new IngestDocument(source, Collections.emptyMap());
processor = new DotExpanderProcessor("_tag", null, "foo.bar.baz");
processor.execute(document);
assertThat(document.getFieldValue("foo", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar.baz", String.class), equalTo("value"));
source = new HashMap<>();
source.put("foo.bar", "baz1");
source.put("foo", new HashMap<>(Collections.singletonMap("bar", "baz2")));
document = new IngestDocument(source, Collections.emptyMap());
processor = new DotExpanderProcessor("_tag", null, "foo.bar");
processor.execute(document);
assertThat(document.getSourceAndMetadata().size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar", List.class).size(), equalTo(2));
assertThat(document.getFieldValue("foo.bar.0", String.class), equalTo("baz2"));
assertThat(document.getFieldValue("foo.bar.1", String.class), equalTo("baz1"));
source = new HashMap<>();
source.put("foo.bar", "2");
source.put("foo", new HashMap<>(Collections.singletonMap("bar", 1)));
document = new IngestDocument(source, Collections.emptyMap());
processor = new DotExpanderProcessor("_tag", null, "foo.bar");
processor.execute(document);
assertThat(document.getSourceAndMetadata().size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar", List.class).size(), equalTo(2));
assertThat(document.getFieldValue("foo.bar.0", Integer.class), equalTo(1));
assertThat(document.getFieldValue("foo.bar.1", String.class), equalTo("2"));
}
public void testEscapeFields_valueField() throws Exception {
Map<String, Object> source = new HashMap<>();
source.put("foo.bar", "baz1");
source.put("foo", "baz2");
IngestDocument document1 = new IngestDocument(source, Collections.emptyMap());
Processor processor1 = new DotExpanderProcessor("_tag", null, "foo.bar");
// foo already exists and if a leaf field and therefor can't be replaced by a map field:
Exception e = expectThrows(IllegalArgumentException.class, () -> processor1.execute(document1));
assertThat(e.getMessage(), equalTo("cannot expend [foo.bar], because [foo] is not an object field, but a value field"));
// so because foo is no branch field but a value field the `foo.bar` field can't be expanded
// into [foo].[bar], so foo should be renamed first into `[foo].[bar]:
IngestDocument document = new IngestDocument(source, Collections.emptyMap());
Processor processor = new RenameProcessor("_tag", "foo", "foo.bar", false);
processor.execute(document);
processor = new DotExpanderProcessor("_tag", null, "foo.bar");
processor.execute(document);
assertThat(document.getFieldValue("foo", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar.0", String.class), equalTo("baz2"));
assertThat(document.getFieldValue("foo.bar.1", String.class), equalTo("baz1"));
source = new HashMap<>();
source.put("foo.bar", "baz1");
document = new IngestDocument(source, Collections.emptyMap());
processor = new DotExpanderProcessor("_tag", null, "foo.bar");
processor.execute(document);
assertThat(document.getFieldValue("foo", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar", String.class), equalTo("baz1"));
source = new HashMap<>();
source.put("foo.bar.baz", "baz1");
source.put("foo", new HashMap<>(Collections.singletonMap("bar", new HashMap<>())));
document = new IngestDocument(source, Collections.emptyMap());
processor = new DotExpanderProcessor("_tag", null, "foo.bar.baz");
processor.execute(document);
assertThat(document.getFieldValue("foo", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar.baz", String.class), equalTo("baz1"));
source = new HashMap<>();
source.put("foo.bar.baz", "baz1");
source.put("foo", new HashMap<>(Collections.singletonMap("bar", "baz2")));
IngestDocument document2 = new IngestDocument(source, Collections.emptyMap());
Processor processor2 = new DotExpanderProcessor("_tag", null, "foo.bar.baz");
e = expectThrows(IllegalArgumentException.class, () -> processor2.execute(document2));
assertThat(e.getMessage(), equalTo("cannot expend [foo.bar.baz], because [foo.bar] is not an object field, but a value field"));
}
public void testEscapeFields_path() throws Exception {
Map<String, Object> source = new HashMap<>();
source.put("foo", new HashMap<>(Collections.singletonMap("bar.baz", "value")));
IngestDocument document = new IngestDocument(source, Collections.emptyMap());
DotExpanderProcessor processor = new DotExpanderProcessor("_tag", "foo", "bar.baz");
processor.execute(document);
assertThat(document.getFieldValue("foo", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("foo.bar.baz", String.class), equalTo("value"));
source = new HashMap<>();
source.put("field", new HashMap<>(Collections.singletonMap("foo.bar.baz", "value")));
document = new IngestDocument(source, Collections.emptyMap());
processor = new DotExpanderProcessor("_tag", "field", "foo.bar.baz");
processor.execute(document);
assertThat(document.getFieldValue("field.foo", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("field.foo.bar", Map.class).size(), equalTo(1));
assertThat(document.getFieldValue("field.foo.bar.baz", String.class), equalTo("value"));
}
}