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Add unit tests for OpenAiStreamFunctionCallingHelper
Signed-off-by: Emmanuel Essien-nta <[email protected]>
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‎.gitignore‎

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**/.claude/settings.local.json
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.devcontainer
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/models/spring-ai-openai/nbproject/

‎models/spring-ai-openai/src/test/java/org/springframework/ai/openai/api/OpenAiStreamFunctionCallingHelperTest.java‎

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/*
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* Copyright 2023-2025 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.ai.openai.api;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import java.util.function.Consumer;
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import static org.assertj.core.api.Assertions.assertThat;
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import org.junit.jupiter.api.Test;
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import org.mockito.Mockito;
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/**
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* Unit tests for {@link OpenAiStreamFunctionCallingHelper}
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*
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* @author Emmanuel Essien-nta
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*/
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public class OpenAiStreamFunctionCallingHelperTest {
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private final OpenAiStreamFunctionCallingHelper helper = new OpenAiStreamFunctionCallingHelper();
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@Test
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public void merge_whenInputIsValid() {
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var expectedResult = new OpenAiApi.ChatCompletionChunk("id", Collections.emptyList(),
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System.currentTimeMillis(), "model", "serviceTier", "fingerPrint", "object", null);
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var previous = new OpenAiApi.ChatCompletionChunk(null, null, expectedResult.created(), expectedResult.model(),
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expectedResult.serviceTier(), null, null, null);
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var current = new OpenAiApi.ChatCompletionChunk(expectedResult.id(), null, null, null, null,
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expectedResult.systemFingerprint(), expectedResult.object(), expectedResult.usage());
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var result = helper.merge(previous, current);
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assertThat(result).isEqualTo(expectedResult);
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}
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@Test
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public void isStreamingToolFunctionCall_whenChatCompletionChunkIsNull() {
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assertThat(helper.isStreamingToolFunctionCall(null)).isFalse();
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}
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@Test
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public void isStreamingToolFunctionCall_whenChatCompletionChunkChoicesIsEmpty() {
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var chunk = new OpenAiApi.ChatCompletionChunk(null, Collections.emptyList(), null, null, null, null, null,
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null);
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assertThat(helper.isStreamingToolFunctionCall(chunk)).isFalse();
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}
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@Test
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public void isStreamingToolFunctionCall_whenChatCompletionChunkFirstChoiceIsNull() {
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var choice = (org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice) null;
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var chunk = new OpenAiApi.ChatCompletionChunk(null, Arrays.asList(choice), null, null, null, null, null, null);
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assertThat(helper.isStreamingToolFunctionCall(chunk)).isFalse();
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}
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@Test
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public void isStreamingToolFunctionCall_whenChatCompletionChunkFirstChoiceDeltaIsNull() {
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var choice = new org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice(null, null, null,
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null);
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var chunk = new OpenAiApi.ChatCompletionChunk(null, Arrays.asList(choice, null), null, null, null, null, null,
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null);
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assertThat(helper.isStreamingToolFunctionCall(chunk)).isFalse();
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}
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@Test
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public void isStreamingToolFunctionCall_whenChatCompletionChunkFirstChoiceDeltaToolCallsIsNullOrEmpty() {
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var assertion = (Consumer<OpenAiApi.ChatCompletionMessage>) (OpenAiApi.ChatCompletionMessage delta) -> {
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var choice = new org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice(null, null,
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delta, null);
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var chunk = new OpenAiApi.ChatCompletionChunk(null, List.of(choice), null, null, null, null, null, null);
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assertThat(helper.isStreamingToolFunctionCall(chunk)).isFalse();
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};
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// Test for null.
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assertion.accept(new OpenAiApi.ChatCompletionMessage(null, null));
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// Test for empty.
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assertion.accept(
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new OpenAiApi.ChatCompletionMessage(null, null, null, null, Collections.emptyList(), null, null, null));
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}
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@Test
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public void isStreamingToolFunctionCall_whenChatCompletionChunkFirstChoiceDeltaToolCallsIsNonEmpty() {
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var assertion = (Consumer<OpenAiApi.ChatCompletionMessage>) (OpenAiApi.ChatCompletionMessage delta) -> {
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var choice = new org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice(null, null,
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delta, null);
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var chunk = new OpenAiApi.ChatCompletionChunk(null, List.of(choice), null, null, null, null, null, null);
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assertThat(helper.isStreamingToolFunctionCall(chunk)).isTrue();
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};
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assertion.accept(new OpenAiApi.ChatCompletionMessage(null, null, null, null,
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List.of(Mockito.mock(org.springframework.ai.openai.api.OpenAiApi.ChatCompletionMessage.ToolCall.class)),
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null, null, null));
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}
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@Test
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public void isStreamingToolFunctionCallFinish_whenChatCompletionChunkIsNull() {
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assertThat(helper.isStreamingToolFunctionCallFinish(null)).isFalse();
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}
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@Test
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public void isStreamingToolFunctionCallFinish_whenChatCompletionChunkChoicesIsEmpty() {
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var chunk = new OpenAiApi.ChatCompletionChunk(null, Collections.emptyList(), null, null, null, null, null,
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null);
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assertThat(helper.isStreamingToolFunctionCallFinish(chunk)).isFalse();
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}
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@Test
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public void isStreamingToolFunctionCallFinish_whenChatCompletionChunkFirstChoiceIsNull() {
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var choice = (org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice) null;
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var chunk = new OpenAiApi.ChatCompletionChunk(null, Arrays.asList(choice), null, null, null, null, null, null);
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assertThat(helper.isStreamingToolFunctionCallFinish(chunk)).isFalse();
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}
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@Test
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public void isStreamingToolFunctionCallFinish_whenChatCompletionChunkFirstChoiceDeltaIsNull() {
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var choice = new org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice(null, null, null,
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null);
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var chunk = new OpenAiApi.ChatCompletionChunk(null, Arrays.asList(choice, null), null, null, null, null, null,
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null);
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assertThat(helper.isStreamingToolFunctionCallFinish(chunk)).isFalse();
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}
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@Test
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public void isStreamingToolFunctionCallFinish_whenChatCompletionChunkFirstChoiceIsNotToolCalls() {
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var choice = new org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice(null, null,
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new OpenAiApi.ChatCompletionMessage(null, null), null);
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var chunk = new OpenAiApi.ChatCompletionChunk(null, List.of(choice), null, null, null, null, null, null);
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assertThat(helper.isStreamingToolFunctionCallFinish(chunk)).isFalse();
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}
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@Test
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public void isStreamingToolFunctionCallFinish_whenChatCompletionChunkFirstChoiceIsToolCalls() {
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var choice = new org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice(
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OpenAiApi.ChatCompletionFinishReason.TOOL_CALLS, null, new OpenAiApi.ChatCompletionMessage(null, null),
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null);
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var chunk = new OpenAiApi.ChatCompletionChunk(null, List.of(choice), null, null, null, null, null, null);
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assertThat(helper.isStreamingToolFunctionCallFinish(chunk)).isTrue();
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}
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@Test
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public void chunkToChatCompletion_whenInputIsValid() {
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var choice1 = new org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice(
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OpenAiApi.ChatCompletionFinishReason.TOOL_CALLS, 1, new OpenAiApi.ChatCompletionMessage(null, null),
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null);
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var choice2 = new org.springframework.ai.openai.api.OpenAiApi.ChatCompletionChunk.ChunkChoice(
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OpenAiApi.ChatCompletionFinishReason.TOOL_CALLS, 2, new OpenAiApi.ChatCompletionMessage(null, null),
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null);
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var chunk = new OpenAiApi.ChatCompletionChunk(null, List.of(choice1, choice2), null, null, null, null, null,
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null);
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OpenAiApi.ChatCompletion result = helper.chunkToChatCompletion(chunk);
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assertThat(result.object()).isEqualTo("chat.completion");
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assertThat(result.choices()).hasSize(2);
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}
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}

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