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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config;
import com.yahoo.config.subscription.ConfigInstanceUtil;
import com.yahoo.slime.JsonFormat;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.MatcherAssert.assertThat;
/**
* @author Ulf Lilleengen
*/
public class GenericConfigBuilderTest {
@Test
public void require_that_builder_can_be_overridden() throws IOException {
ConfigPayloadBuilder ba = new ConfigPayloadBuilder();
ba.setField("foo", "bar");
ConfigPayloadBuilder bb = new ConfigPayloadBuilder();
bb.setField("foo", "baz");
ConfigPayloadBuilder bc = new ConfigPayloadBuilder();
bc.setField("foo", "bim");
GenericConfig.GenericConfigBuilder a = new GenericConfig.GenericConfigBuilder(null, ba);
GenericConfig.GenericConfigBuilder b = new GenericConfig.GenericConfigBuilder(null, bb);
GenericConfig.GenericConfigBuilder c = new GenericConfig.GenericConfigBuilder(null, bc);
assertThat(getString(a), is("{\"foo\":\"bar\"}"));
assertThat(getString(b), is("{\"foo\":\"baz\"}"));
assertThat(getString(c), is("{\"foo\":\"bim\"}"));
ConfigInstanceUtil.setValues(a, b);
assertThat(getString(a), is("{\"foo\":\"baz\"}"));
assertThat(getString(b), is("{\"foo\":\"baz\"}"));
assertThat(getString(c), is("{\"foo\":\"bim\"}"));
ConfigInstanceUtil.setValues(c, a);
assertThat(getString(a), is("{\"foo\":\"baz\"}"));
assertThat(getString(b), is("{\"foo\":\"baz\"}"));
assertThat(getString(c), is("{\"foo\":\"baz\"}"));
}
private String getString(GenericConfig.GenericConfigBuilder builder) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
builder.getPayload().serialize(baos, new JsonFormat(true));
return baos.toString();
}
}
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