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* the Apache License, Version 2.0 (the "License"); you may
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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,
* software distributed under the License is distributed on an
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package org.elasticsearch.common.settings.loader;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsException;
import org.elasticsearch.common.xcontent.XContent;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.test.ESTestCase;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Collections;
import static org.hamcrest.Matchers.equalTo;
public class YamlSettingsLoaderTests extends ESTestCase {
public void testSimpleYamlSettings() throws Exception {
final String yaml = "/org/elasticsearch/common/settings/loader/test-settings.yml";
final Settings settings = Settings.builder()
.loadFromStream(yaml, getClass().getResourceAsStream(yaml))
.build();
assertThat(settings.get("test1.value1"), equalTo("value1"));
assertThat(settings.get("test1.test2.value2"), equalTo("value2"));
assertThat(settings.getAsInt("test1.test2.value3", -1), equalTo(2));
// check array
assertThat(settings.get("test1.test3.0"), equalTo("test3-1"));
assertThat(settings.get("test1.test3.1"), equalTo("test3-2"));
assertThat(settings.getAsArray("test1.test3").length, equalTo(2));
assertThat(settings.getAsArray("test1.test3")[0], equalTo("test3-1"));
assertThat(settings.getAsArray("test1.test3")[1], equalTo("test3-2"));
}
public void testIndentation() throws Exception {
String yaml = "/org/elasticsearch/common/settings/loader/indentation-settings.yml";
ElasticsearchParseException e = expectThrows(ElasticsearchParseException.class, () -> {
Settings.builder().loadFromStream(yaml, getClass().getResourceAsStream(yaml));
});
assertTrue(e.getMessage(), e.getMessage().contains("malformed"));
}
public void testIndentationWithExplicitDocumentStart() throws Exception {
String yaml = "/org/elasticsearch/common/settings/loader/indentation-with-explicit-document-start-settings.yml";
ElasticsearchParseException e = expectThrows(ElasticsearchParseException.class, () -> {
Settings.builder().loadFromStream(yaml, getClass().getResourceAsStream(yaml));
});
assertTrue(e.getMessage(), e.getMessage().contains("malformed"));
}
public void testDuplicateKeysThrowsException() {
assumeFalse("Test only makes sense if XContent parser doesn't have strict duplicate checks enabled",
XContent.isStrictDuplicateDetectionEnabled());
String yaml = "foo: bar\nfoo: baz";
SettingsException e = expectThrows(SettingsException.class, () -> {
Settings.builder().loadFromSource(yaml, XContentType.YAML);
});
assertEquals(e.getCause().getClass(), ElasticsearchParseException.class);
String msg = e.getCause().getMessage();
assertTrue(
msg,
msg.contains("duplicate settings key [foo] found at line number [2], column number [6], " +
"previous value [bar], current value [baz]"));
}
public void testMissingValue() throws Exception {
Path tmp = createTempFile("test", ".yaml");
Files.write(tmp, Collections.singletonList("foo: # missing value\n"), StandardCharsets.UTF_8);
ElasticsearchParseException e = expectThrows(ElasticsearchParseException.class, () -> {
Settings.builder().loadFromPath(tmp);
});
assertTrue(
e.getMessage(),
e.getMessage().contains("null-valued setting found for key [foo] found at line number [1], column number [5]"));
}
}