ai.vespa.llm.test.MockLanguageModel Maven / Gradle / Ivy

// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.llm.test;

import ai.vespa.llm.LanguageModel;
import ai.vespa.llm.InferenceParameters;
import ai.vespa.llm.completion.Completion;
import ai.vespa.llm.completion.Prompt;
import com.yahoo.api.annotations.Beta;

import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.function.Consumer;
import java.util.function.Function;

/**
 * @author bratseth
 */
@Beta
public class MockLanguageModel implements LanguageModel {

    private final Function> completer;

    public MockLanguageModel(Builder builder) {
        completer = builder.completer;
    }

    @Override
    public List complete(Prompt prompt, InferenceParameters options) {
        return completer.apply(prompt);
    }

    @Override
    public CompletableFuture completeAsync(Prompt prompt,
                                                                    InferenceParameters options,
                                                                    Consumer action) {
        throw new RuntimeException("Not implemented");
    }

    public static class Builder {

        private Function> completer = prompt -> List.of(Completion.from(""));

        public Builder completer(Function> completer) {
            this.completer = completer;
            return this;
        }

        public Builder() {}

        public MockLanguageModel build() { return new MockLanguageModel(this); }

    }

}