Merge pull request #119 from ollama4j/113-tests-fix
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[Fix]: NPE when tool not found
This commit is contained in:
Amith Koujalgi 2025-04-06 23:34:53 +05:30 committed by GitHub
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6 changed files with 242 additions and 70 deletions

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@ -37,3 +37,10 @@ jobs:
- name: Run integration tests
run: mvn --file pom.xml -U clean verify -Pintegration-tests
- name: Use Node.js
uses: actions/setup-node@v3
with:
node-version: '20.x'
- run: cd docs && npm ci
- run: cd docs && npm run build

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@ -18,8 +18,8 @@ unit-tests:
integration-tests:
export USE_EXTERNAL_OLLAMA_HOST=false && mvn clean verify -Pintegration-tests
integration-tests-local:
export USE_EXTERNAL_OLLAMA_HOST=true && export OLLAMA_HOST=http://localhost:11434 && mvn clean verify -Pintegration-tests -Dgpg.skip=true
integration-tests-remote:
export USE_EXTERNAL_OLLAMA_HOST=true && export OLLAMA_HOST=http://192.168.29.223:11434 && mvn clean verify -Pintegration-tests -Dgpg.skip=true
doxygen:
doxygen Doxyfile
@ -29,10 +29,10 @@ list-releases:
--compressed \
--silent | jq -r '.components[].version'
build-docs:
docs:
npm i --prefix docs && npm run build --prefix docs
start-docs:
docs-dev:
npm i --prefix docs && npm run start --prefix docs
start-cpu:

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@ -61,6 +61,9 @@ details.
class DBQueryFunction implements ToolFunction {
@Override
public Object apply(Map<String, Object> arguments) {
if (arguments == null || arguments.isEmpty() || arguments.get("employee-name") == null || arguments.get("employee-address") == null || arguments.get("employee-phone") == null) {
throw new RuntimeException("Tool was called but the model failed to provide all the required arguments.");
}
// perform DB operations here
return String.format("Employee Details {ID: %s, Name: %s, Address: %s, Phone: %s}", UUID.randomUUID(), arguments.get("employee-name").toString(), arguments.get("employee-address").toString(), arguments.get("employee-phone").toString());
}
@ -78,14 +81,39 @@ Lets define a sample tool specification called **Fuel Price Tool** for getting t
Tools.ToolSpecification fuelPriceToolSpecification = Tools.ToolSpecification.builder()
.functionName("current-fuel-price")
.functionDescription("Get current fuel price")
.properties(
new Tools.PropsBuilder()
.withProperty("location", Tools.PromptFuncDefinition.Property.builder().type("string").description("The city, e.g. New Delhi, India").required(true).build())
.withProperty("fuelType", Tools.PromptFuncDefinition.Property.builder().type("string").description("The fuel type.").enumValues(Arrays.asList("petrol", "diesel")).required(true).build())
.toolFunction(SampleTools::getCurrentFuelPrice)
.toolPrompt(
Tools.PromptFuncDefinition.builder()
.type("prompt")
.function(
Tools.PromptFuncDefinition.PromptFuncSpec.builder()
.name("get-location-fuel-info")
.description("Get location and fuel type details")
.parameters(
Tools.PromptFuncDefinition.Parameters.builder()
.type("object")
.properties(
Map.of(
"location", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The city, e.g. New Delhi, India")
.required(true)
.build(),
"fuelType", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The fuel type.")
.enumValues(Arrays.asList("petrol", "diesel"))
.required(true)
.build()
)
)
.required(java.util.List.of("location", "fuelType"))
.build()
)
.build()
)
.build()
)
.toolDefinition(SampleTools::getCurrentFuelPrice)
.build();
).build();
```
Lets also define a sample tool specification called **Weather Tool** for getting the current weather.
@ -97,13 +125,33 @@ Lets also define a sample tool specification called **Weather Tool** for getting
Tools.ToolSpecification weatherToolSpecification = Tools.ToolSpecification.builder()
.functionName("current-weather")
.functionDescription("Get current weather")
.properties(
new Tools.PropsBuilder()
.withProperty("city", Tools.PromptFuncDefinition.Property.builder().type("string").description("The city, e.g. New Delhi, India").required(true).build())
.toolFunction(SampleTools::getCurrentWeather)
.toolPrompt(
Tools.PromptFuncDefinition.builder()
.type("prompt")
.function(
Tools.PromptFuncDefinition.PromptFuncSpec.builder()
.name("get-location-weather-info")
.description("Get location details")
.parameters(
Tools.PromptFuncDefinition.Parameters.builder()
.type("object")
.properties(
Map.of(
"city", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The city, e.g. New Delhi, India")
.required(true)
.build()
)
)
.required(java.util.List.of("city"))
.build()
)
.build()
)
.build()
)
.toolDefinition(SampleTools::getCurrentWeather)
.build();
).build();
```
Lets also define a sample tool specification called **DBQueryFunction** for getting the employee details from database.
@ -115,14 +163,43 @@ Lets also define a sample tool specification called **DBQueryFunction** for gett
Tools.ToolSpecification databaseQueryToolSpecification = Tools.ToolSpecification.builder()
.functionName("get-employee-details")
.functionDescription("Get employee details from the database")
.properties(
new Tools.PropsBuilder()
.withProperty("employee-name", Tools.PromptFuncDefinition.Property.builder().type("string").description("The name of the employee, e.g. John Doe").required(true).build())
.withProperty("employee-address", Tools.PromptFuncDefinition.Property.builder().type("string").description("The address of the employee, Always return a random value. e.g. Roy St, Bengaluru, India").required(true).build())
.withProperty("employee-phone", Tools.PromptFuncDefinition.Property.builder().type("string").description("The phone number of the employee. Always return a random value. e.g. 9911002233").required(true).build())
.toolFunction(new DBQueryFunction())
.toolPrompt(
Tools.PromptFuncDefinition.builder()
.type("prompt")
.function(
Tools.PromptFuncDefinition.PromptFuncSpec.builder()
.name("get-employee-details")
.description("Get employee details from the database")
.parameters(
Tools.PromptFuncDefinition.Parameters.builder()
.type("object")
.properties(
Map.of(
"employee-name", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The name of the employee, e.g. John Doe")
.required(true)
.build(),
"employee-address", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The address of the employee, Always return a random value. e.g. Roy St, Bengaluru, India")
.required(true)
.build(),
"employee-phone", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The phone number of the employee. Always return a random value. e.g. 9911002233")
.required(true)
.build()
)
)
.required(java.util.List.of("employee-name", "employee-address", "employee-phone"))
.build()
)
.build()
)
.build()
)
.toolDefinition(new DBQueryFunction())
.build();
```
@ -239,37 +316,111 @@ public class FunctionCallingWithMistralExample {
Tools.ToolSpecification fuelPriceToolSpecification = Tools.ToolSpecification.builder()
.functionName("current-fuel-price")
.functionDescription("Get current fuel price")
.properties(
new Tools.PropsBuilder()
.withProperty("location", Tools.PromptFuncDefinition.Property.builder().type("string").description("The city, e.g. New Delhi, India").required(true).build())
.withProperty("fuelType", Tools.PromptFuncDefinition.Property.builder().type("string").description("The fuel type.").enumValues(Arrays.asList("petrol", "diesel")).required(true).build())
.toolFunction(SampleTools::getCurrentFuelPrice)
.toolPrompt(
Tools.PromptFuncDefinition.builder()
.type("prompt")
.function(
Tools.PromptFuncDefinition.PromptFuncSpec.builder()
.name("get-location-fuel-info")
.description("Get location and fuel type details")
.parameters(
Tools.PromptFuncDefinition.Parameters.builder()
.type("object")
.properties(
Map.of(
"location", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The city, e.g. New Delhi, India")
.required(true)
.build(),
"fuelType", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The fuel type.")
.enumValues(Arrays.asList("petrol", "diesel"))
.required(true)
.build()
)
)
.required(java.util.List.of("location", "fuelType"))
.build()
)
.build()
)
.build()
)
.toolDefinition(SampleTools::getCurrentFuelPrice)
.build();
).build();
Tools.ToolSpecification weatherToolSpecification = Tools.ToolSpecification.builder()
.functionName("current-weather")
.functionDescription("Get current weather")
.properties(
new Tools.PropsBuilder()
.withProperty("city", Tools.PromptFuncDefinition.Property.builder().type("string").description("The city, e.g. New Delhi, India").required(true).build())
.toolFunction(SampleTools::getCurrentWeather)
.toolPrompt(
Tools.PromptFuncDefinition.builder()
.type("prompt")
.function(
Tools.PromptFuncDefinition.PromptFuncSpec.builder()
.name("get-location-weather-info")
.description("Get location details")
.parameters(
Tools.PromptFuncDefinition.Parameters.builder()
.type("object")
.properties(
Map.of(
"city", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The city, e.g. New Delhi, India")
.required(true)
.build()
)
)
.required(java.util.List.of("city"))
.build()
)
.build()
)
.build()
)
.toolDefinition(SampleTools::getCurrentWeather)
.build();
).build();
Tools.ToolSpecification databaseQueryToolSpecification = Tools.ToolSpecification.builder()
.functionName("get-employee-details")
.functionDescription("Get employee details from the database")
.properties(
new Tools.PropsBuilder()
.withProperty("employee-name", Tools.PromptFuncDefinition.Property.builder().type("string").description("The name of the employee, e.g. John Doe").required(true).build())
.withProperty("employee-address", Tools.PromptFuncDefinition.Property.builder().type("string").description("The address of the employee, Always return a random value. e.g. Roy St, Bengaluru, India").required(true).build())
.withProperty("employee-phone", Tools.PromptFuncDefinition.Property.builder().type("string").description("The phone number of the employee. Always return a random value. e.g. 9911002233").required(true).build())
.toolFunction(new DBQueryFunction())
.toolPrompt(
Tools.PromptFuncDefinition.builder()
.type("prompt")
.function(
Tools.PromptFuncDefinition.PromptFuncSpec.builder()
.name("get-employee-details")
.description("Get employee details from the database")
.parameters(
Tools.PromptFuncDefinition.Parameters.builder()
.type("object")
.properties(
Map.of(
"employee-name", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The name of the employee, e.g. John Doe")
.required(true)
.build(),
"employee-address", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The address of the employee, Always return a random value. e.g. Roy St, Bengaluru, India")
.required(true)
.build(),
"employee-phone", Tools.PromptFuncDefinition.Property.builder()
.type("string")
.description("The phone number of the employee. Always return a random value. e.g. 9911002233")
.required(true)
.build()
)
)
.required(java.util.List.of("employee-name", "employee-address", "employee-phone"))
.build()
)
.build()
)
.build()
)
.toolDefinition(new DBQueryFunction())
.build();
ollamaAPI.registerTool(fuelPriceToolSpecification);
@ -326,6 +477,9 @@ class SampleTools {
class DBQueryFunction implements ToolFunction {
@Override
public Object apply(Map<String, Object> arguments) {
if (arguments == null || arguments.isEmpty() || arguments.get("employee-name") == null || arguments.get("employee-address") == null || arguments.get("employee-phone") == null) {
throw new RuntimeException("Tool was called but the model failed to provide all the required arguments.");
}
// perform DB operations here
return String.format("Employee Details {ID: %s, Name: %s, Address: %s, Phone: %s}", UUID.randomUUID(), arguments.get("employee-name").toString(), arguments.get("employee-address").toString(), arguments.get("employee-phone").toString());
}
@ -347,17 +501,17 @@ Rahul Kumar, Address: King St, Hyderabad, India, Phone: 9876543210}`
### Using tools in Chat-API
Instead of using the specific `ollamaAPI.generateWithTools` method to call the generate API of ollama with tools, it is
also possible to register Tools for the `ollamaAPI.chat` methods. In this case, the tool calling/callback is done
Instead of using the specific `ollamaAPI.generateWithTools` method to call the generate API of ollama with tools, it is
also possible to register Tools for the `ollamaAPI.chat` methods. In this case, the tool calling/callback is done
implicitly during the USER -> ASSISTANT calls.
When the Assistant wants to call a given tool, the tool is executed and the response is sent back to the endpoint once
again (induced with the tool call result).
again (induced with the tool call result).
#### Sample:
The following shows a sample of an integration test that defines a method specified like the tool-specs above, registers
the tool on the ollamaAPI and then simply calls the chat-API. All intermediate tool calling is wrapped inside the api
the tool on the ollamaAPI and then simply calls the chat-API. All intermediate tool calling is wrapped inside the api
call.
```java
@ -405,7 +559,7 @@ public static void main(String[] args) {
A typical final response of the above could be:
```json
```json
{
"chatHistory" : [
{
@ -466,7 +620,7 @@ This tool calling can also be done using the streaming API.
### Using Annotation based Tool Registration
Instead of explicitly registering each tool, ollama4j supports declarative tool specification and registration via java
Instead of explicitly registering each tool, ollama4j supports declarative tool specification and registration via java
Annotations and reflection calling.
To declare a method to be used as a tool for a chat call, the following steps have to be considered:
@ -489,7 +643,7 @@ The answer can only be provided by a method that is part of the BackendService c
```java
public class BackendService{
public BackendService(){}
@ToolSpec(desc = "Computes the most important constant all around the globe!")
@ -505,7 +659,7 @@ import io.github.ollama4j.tools.annotations.OllamaToolService;
@OllamaToolService(providers = BackendService.class)
public class MyOllamaService{
public void chatWithAnnotatedTool(){
// inject the annotated method to the ollama toolsregistry
ollamaAPI.registerAnnotatedTools();
@ -517,14 +671,14 @@ public class MyOllamaService{
OllamaChatResult chatResult = ollamaAPI.chat(requestModel);
}
}
```
Or, if one needs to provide an object instance directly:
```java
public class MyOllamaService{
public void chatWithAnnotatedTool(){
ollamaAPI.registerAnnotatedTools(new BackendService());
OllamaChatRequest requestModel = builder
@ -534,7 +688,7 @@ public class MyOllamaService{
OllamaChatResult chatResult = ollamaAPI.chat(requestModel);
}
}
```
@ -639,4 +793,4 @@ public String getCurrentFuelPrice(String location, String fuelType) {
}
```
Updating async/chat APIs with support for tool-based generation.
Updating async/chat APIs with support for tool-based generation.

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@ -1058,7 +1058,7 @@ public class OllamaAPI {
* @param model the ollama model to ask the question to
* @param messages chat history / message stack to send to the model
* @return {@link OllamaChatResult} containing the api response and the message
* history including the newly aqcuired assistant response.
* history including the newly acquired assistant response.
* @throws OllamaBaseException any response code than 200 has been returned
* @throws IOException in case the responseStream can not be read
* @throws InterruptedException in case the server is not reachable or network
@ -1066,9 +1066,10 @@ public class OllamaAPI {
* @throws OllamaBaseException if the response indicates an error status
* @throws IOException if an I/O error occurs during the HTTP request
* @throws InterruptedException if the operation is interrupted
* @throws ToolInvocationException if the tool invocation fails
*/
public OllamaChatResult chat(String model, List<OllamaChatMessage> messages)
throws OllamaBaseException, IOException, InterruptedException {
throws OllamaBaseException, IOException, InterruptedException, ToolInvocationException {
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(model);
return chat(builder.withMessages(messages).build());
}
@ -1088,9 +1089,10 @@ public class OllamaAPI {
* @throws OllamaBaseException if the response indicates an error status
* @throws IOException if an I/O error occurs during the HTTP request
* @throws InterruptedException if the operation is interrupted
* @throws ToolInvocationException if the tool invocation fails
*/
public OllamaChatResult chat(OllamaChatRequest request)
throws OllamaBaseException, IOException, InterruptedException {
throws OllamaBaseException, IOException, InterruptedException, ToolInvocationException {
return chat(request, null);
}
@ -1102,7 +1104,7 @@ public class OllamaAPI {
*
* @param request request object to be sent to the server
* @param streamHandler callback handler to handle the last message from stream
* (caution: all previous messages from stream will be
* (caution: all previous tokens from stream will be
* concatenated)
* @return {@link OllamaChatResult}
* @throws OllamaBaseException any response code than 200 has been returned
@ -1112,9 +1114,10 @@ public class OllamaAPI {
* @throws OllamaBaseException if the response indicates an error status
* @throws IOException if an I/O error occurs during the HTTP request
* @throws InterruptedException if the operation is interrupted
* @throws ToolInvocationException if the tool invocation fails
*/
public OllamaChatResult chat(OllamaChatRequest request, OllamaStreamHandler streamHandler)
throws OllamaBaseException, IOException, InterruptedException {
throws OllamaBaseException, IOException, InterruptedException, ToolInvocationException {
return chatStreaming(request, new OllamaChatStreamObserver(streamHandler));
}
@ -1126,7 +1129,7 @@ public class OllamaAPI {
*
* @param request request object to be sent to the server
* @param tokenHandler callback handler to handle the last token from stream
* (caution: all previous messages from stream will be
* (caution: the previous tokens from stream will not be
* concatenated)
* @return {@link OllamaChatResult}
* @throws OllamaBaseException any response code than 200 has been returned
@ -1138,7 +1141,7 @@ public class OllamaAPI {
* @throws InterruptedException if the operation is interrupted
*/
public OllamaChatResult chatStreaming(OllamaChatRequest request, OllamaTokenHandler tokenHandler)
throws OllamaBaseException, IOException, InterruptedException {
throws OllamaBaseException, IOException, InterruptedException, ToolInvocationException {
OllamaChatEndpointCaller requestCaller = new OllamaChatEndpointCaller(host, auth, requestTimeoutSeconds,
verbose);
OllamaChatResult result;
@ -1161,6 +1164,9 @@ public class OllamaAPI {
for (OllamaChatToolCalls toolCall : toolCalls) {
String toolName = toolCall.getFunction().getName();
ToolFunction toolFunction = toolRegistry.getToolFunction(toolName);
if (toolFunction == null) {
throw new ToolInvocationException("Tool function not found: " + toolName);
}
Map<String, Object> arguments = toolCall.getFunction().getArguments();
Object res = toolFunction.apply(arguments);
request.getMessages().add(new OllamaChatMessage(OllamaChatMessageRole.TOOL,

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@ -2,6 +2,10 @@ package io.github.ollama4j.exceptions;
public class ToolInvocationException extends Exception {
public ToolInvocationException(String s) {
super(s);
}
public ToolInvocationException(String s, Exception e) {
super(s, e);
}

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@ -3,6 +3,7 @@ package io.github.ollama4j.integrationtests;
import com.fasterxml.jackson.annotation.JsonProperty;
import io.github.ollama4j.OllamaAPI;
import io.github.ollama4j.exceptions.OllamaBaseException;
import io.github.ollama4j.exceptions.ToolInvocationException;
import io.github.ollama4j.models.chat.*;
import io.github.ollama4j.models.embeddings.OllamaEmbedResponseModel;
import io.github.ollama4j.models.response.LibraryModel;
@ -233,7 +234,7 @@ public class OllamaAPIIntegrationTest {
@Test
@Order(8)
void testAskModelWithOptions()
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException {
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException, ToolInvocationException {
api.pullModel(CHAT_MODEL_INSTRUCT);
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(CHAT_MODEL_INSTRUCT);
@ -253,7 +254,7 @@ public class OllamaAPIIntegrationTest {
@Test
@Order(9)
void testChatWithSystemPrompt()
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException {
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException, ToolInvocationException {
api.pullModel(CHAT_MODEL_SYSTEM_PROMPT);
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(CHAT_MODEL_SYSTEM_PROMPT);
OllamaChatRequest requestModel = builder.withMessage(OllamaChatMessageRole.SYSTEM,
@ -318,7 +319,7 @@ public class OllamaAPIIntegrationTest {
@Test
@Order(10)
void testChatWithImageFromURL()
throws OllamaBaseException, IOException, InterruptedException, URISyntaxException {
throws OllamaBaseException, IOException, InterruptedException, URISyntaxException, ToolInvocationException {
api.pullModel(IMAGE_MODEL_LLAVA);
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(IMAGE_MODEL_LLAVA);
@ -336,7 +337,7 @@ public class OllamaAPIIntegrationTest {
@Test
@Order(10)
void testChatWithImageFromFileWithHistoryRecognition()
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException {
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException, ToolInvocationException {
api.pullModel(IMAGE_MODEL_LLAVA);
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(IMAGE_MODEL_LLAVA);
OllamaChatRequest requestModel = builder.withMessage(OllamaChatMessageRole.USER,
@ -360,7 +361,7 @@ public class OllamaAPIIntegrationTest {
@Test
@Order(11)
void testChatWithExplicitToolDefinition()
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException {
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException, ToolInvocationException {
api.pullModel(CHAT_MODEL_SYSTEM_PROMPT);
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(CHAT_MODEL_SYSTEM_PROMPT);
@ -440,7 +441,7 @@ public class OllamaAPIIntegrationTest {
@Test
@Order(12)
void testChatWithAnnotatedToolsAndSingleParam()
throws OllamaBaseException, IOException, InterruptedException, URISyntaxException {
throws OllamaBaseException, IOException, InterruptedException, URISyntaxException, ToolInvocationException {
api.pullModel(CHAT_MODEL_SYSTEM_PROMPT);
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(CHAT_MODEL_SYSTEM_PROMPT);
@ -471,7 +472,7 @@ public class OllamaAPIIntegrationTest {
@Test
@Order(13)
void testChatWithAnnotatedToolsAndMultipleParams()
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException {
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException, ToolInvocationException {
api.pullModel(CHAT_MODEL_SYSTEM_PROMPT);
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(CHAT_MODEL_SYSTEM_PROMPT);
@ -508,7 +509,7 @@ public class OllamaAPIIntegrationTest {
@Test
@Order(14)
void testChatWithToolsAndStream()
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException {
throws OllamaBaseException, IOException, URISyntaxException, InterruptedException, ToolInvocationException {
api.pullModel(CHAT_MODEL_SYSTEM_PROMPT);
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(CHAT_MODEL_SYSTEM_PROMPT);
final Tools.ToolSpecification databaseQueryToolSpecification = Tools.ToolSpecification.builder()
@ -585,7 +586,7 @@ public class OllamaAPIIntegrationTest {
@Test
@Order(15)
void testChatWithStream() throws OllamaBaseException, IOException, URISyntaxException, InterruptedException {
void testChatWithStream() throws OllamaBaseException, IOException, URISyntaxException, InterruptedException, ToolInvocationException {
api.pullModel(CHAT_MODEL_SYSTEM_PROMPT);
OllamaChatRequestBuilder builder = OllamaChatRequestBuilder.getInstance(CHAT_MODEL_SYSTEM_PROMPT);
OllamaChatRequest requestModel = builder.withMessage(OllamaChatMessageRole.USER,