test(genai): Sample/pr test #4149
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Summary of Changes
Hello @Guiners, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
I've added several new samples demonstrating the controlled generation capabilities of the Google GenAI SDK. These samples showcase how to use different schema types, including class-based schemas, enum-based schemas, nested schemas, and schemas with nullable properties, to guide the model's output into a desired structured format. Additionally, I've updated existing samples to utilize the latest gemini-2.5-flash model.
Highlights
- New Controlled Generation Samples: I've added new samples demonstrating various controlled generation capabilities of the Google GenAI SDK, including the use of class schemas, enum class schemas, nested class schemas, nullable schemas, and direct response schemas.
- Model Version Upgrade: I've updated existing GenAI samples to utilize the latest
gemini-2.5-flashmodel, ensuring they use the most current model version. - New Test Coverage: Corresponding test files have been introduced for all new controlled generation samples to ensure their correct functionality and provide robust testing coverage.
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Code Review
This pull request introduces a comprehensive set of new samples for controlled generation with the GenAI SDK, complete with corresponding tests. The changes also include minor updates to existing files, primarily to update model names. The new samples are well-structured and demonstrate various features effectively. I've identified a few areas for improvement, including one high-severity correctness issue where a schema requires a field that isn't always present in the prompt. Other suggestions aim to enhance code clarity and consistency.
| Humidity: {type: 'string', nullable: true}, | ||
| WindSpeed: {type: 'integer', nullable: true}, | ||
| }, | ||
| required: ['Day', 'Temperature', 'Forecast', 'WindSpeed'], |
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The WindSpeed property is marked as required, but the provided prompt does not include wind speed information for every day of the week (e.g., Tuesday, Wednesday, Thursday). This will cause an issue when the model tries to generate the JSON, as it may omit the WindSpeed key for those days, violating the schema. To fix this, WindSpeed should be removed from the required array.
| required: ['Day', 'Temperature', 'Forecast', 'WindSpeed'], | |
| required: ['Day', 'Temperature', 'Forecast'], |
| class InstrumentClass { | ||
| static values() { | ||
| return [ | ||
| InstrumentClass.PERCUSSION, | ||
| InstrumentClass.STRING, | ||
| InstrumentClass.WOODWIND, | ||
| InstrumentClass.BRASS, | ||
| InstrumentClass.KEYBOARD, | ||
| ]; | ||
| } | ||
| } | ||
|
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| InstrumentClass.PERCUSSION = 'Percussion'; | ||
| InstrumentClass.STRING = 'String'; | ||
| InstrumentClass.WOODWIND = 'Woodwind'; | ||
| InstrumentClass.BRASS = 'Brass'; | ||
| InstrumentClass.KEYBOARD = 'Keyboard'; | ||
|
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| const responseSchema = { | ||
| type: 'string', | ||
| enum: InstrumentClass.values(), | ||
| }; |
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The implementation of InstrumentClass to mimic an enum is a bit complex. A simpler and more common JavaScript pattern for creating enums is to use a frozen object. This avoids the need for a class with a static method and late property assignments, making the code more concise and readable.
| class InstrumentClass { | |
| static values() { | |
| return [ | |
| InstrumentClass.PERCUSSION, | |
| InstrumentClass.STRING, | |
| InstrumentClass.WOODWIND, | |
| InstrumentClass.BRASS, | |
| InstrumentClass.KEYBOARD, | |
| ]; | |
| } | |
| } | |
| InstrumentClass.PERCUSSION = 'Percussion'; | |
| InstrumentClass.STRING = 'String'; | |
| InstrumentClass.WOODWIND = 'Woodwind'; | |
| InstrumentClass.BRASS = 'Brass'; | |
| InstrumentClass.KEYBOARD = 'Keyboard'; | |
| const responseSchema = { | |
| type: 'string', | |
| enum: InstrumentClass.values(), | |
| }; | |
| const InstrumentClass = Object.freeze({ | |
| PERCUSSION: 'Percussion', | |
| STRING: 'String', | |
| WOODWIND: 'Woodwind', | |
| BRASS: 'Brass', | |
| KEYBOARD: 'Keyboard', | |
| }); | |
| const responseSchema = { | |
| type: 'string', | |
| enum: Object.values(InstrumentClass), | |
| }; |
| type: 'ARRAY', | ||
| items: { | ||
| type: 'OBJECT', | ||
| properties: { | ||
| recipeName: {type: 'STRING'}, | ||
| ingredients: { | ||
| type: 'ARRAY', | ||
| items: {type: 'STRING'}, | ||
| }, |
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The JSON schema types (ARRAY, OBJECT, STRING) are in uppercase. While this might work with the library, the standard JSON Schema specification uses lowercase type names (e.g., 'array', 'object', 'string'). For consistency with other samples in this PR and adherence to the standard, it's better to use lowercase.
| type: 'ARRAY', | |
| items: { | |
| type: 'OBJECT', | |
| properties: { | |
| recipeName: {type: 'STRING'}, | |
| ingredients: { | |
| type: 'ARRAY', | |
| items: {type: 'STRING'}, | |
| }, | |
| type: 'array', | |
| items: { | |
| type: 'object', | |
| properties: { | |
| recipeName: {type: 'string'}, | |
| ingredients: { | |
| type: 'array', | |
| items: {type: 'string'}, | |
| }, |
1 participant
Description
Fixes #
Note: Before submitting a pull request, please open an issue for discussion if you are not associated with Google.
Checklist
npm test(see Testing)npm run lint(see Style)GoogleCloudPlatform/nodejs-docs-samples. Not a fork.