/** * Copyright 2024 Google LLC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import type { GenerateContentCandidate } from '@google-cloud/vertexai'; import * as assert from 'assert'; import { z, type MessageData } from 'genkit'; import { toJsonSchema } from 'genkit/schema'; import { describe, it } from 'node:test'; import { cleanSchema, fromGeminiCandidate, toGeminiMessage, toGeminiSystemInstruction, toGeminiTool, } from '../src/gemini.js'; describe('toGeminiMessages', () => { const testCases = [ { should: 'should transform genkit message (text content) correctly', inputMessage: { role: 'user', content: [{ text: 'Tell a joke about dogs.' }], }, expectedOutput: { role: 'user', parts: [{ text: 'Tell a joke about dogs.' }], }, }, { should: 'should transform genkit message (tool response content with ref) correctly', inputMessage: { role: 'tool', content: [ { toolResponse: { name: 'tellAFunnyJoke', output: 'Why did the dogs cross the road?', ref: '1', }, }, { toolResponse: { name: 'tellAnotherFunnyJoke', output: 'To get to the other side.', ref: '0', }, }, ], }, expectedOutput: { role: 'function', parts: [ { functionResponse: { name: 'tellAnotherFunnyJoke', response: { name: 'tellAnotherFunnyJoke', content: 'To get to the other side.', }, }, }, { functionResponse: { name: 'tellAFunnyJoke', response: { name: 'tellAFunnyJoke', content: 'Why did the dogs cross the road?', }, }, }, ], }, }, { should: 'should transform genkit message (tool request content) correctly', inputMessage: { role: 'model', content: [ { toolRequest: { name: 'tellAFunnyJoke', input: { topic: 'dogs' } } }, ], }, expectedOutput: { role: 'model', parts: [ { functionCall: { name: 'tellAFunnyJoke', args: { topic: 'dogs' } } }, ], }, }, { should: 'should transform genkit message (tool response content) correctly', inputMessage: { role: 'tool', content: [ { toolResponse: { name: 'tellAFunnyJoke', output: 'Why did the dogs cross the road?', }, }, ], }, expectedOutput: { role: 'function', parts: [ { functionResponse: { name: 'tellAFunnyJoke', response: { name: 'tellAFunnyJoke', content: 'Why did the dogs cross the road?', }, }, }, ], }, }, { should: 'should transform genkit message (inline base64 image content) correctly', inputMessage: { role: 'user', content: [ { text: 'describe the following image:' }, { media: { contentType: 'image/jpeg', url: 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}, }, ], }, expectedOutput: { role: 'user', parts: [ { text: 'describe the following image:' }, { inlineData: { mimeType: 'image/jpeg', data: '/9j/4QDeRXhpZgAASUkqAAgAAAAGABIBAwABAAAAAQAAABoBBQABAAAAVgAAABsBBQABAAAAXgAAACgBAwABAAAAAgAAABMCAwABAAAAAQAAAGmHBAABAAAAZgAAAAAAAABIAAAAAQAAAEgAAAABAAAABwAAkAcABAAAADAyMTABkQcABAAAAAECAwCGkgcAFgAAAMAAAAAAoAcABAAAADAxMDABoAMAAQAAAP//AAACoAQAAQAAAMgAAAADoAQAAQAAAMgAAAAAAAAAQVNDSUkAAABQaWNzdW0gSUQ6IDY4N//bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicgIiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMv/CABEIAMgAyAMBIgACEQEDEQH/xAAbAAEAAgMBAQAAAAAAAAAAAAAAAQIDBAUGB//EABgBAQEBAQEAAAAAAAAAAAAAAAABAgME/9oADAMBAAIQAxAAAAH3ZOsiYEgAmIkWEiEiEkiRYSICBVSQSRIBEhQAUAEAARMAJWYmpRBZWYmYkBQAUAAEARIgJEsViidRMKmYmW98M5uVEzQAAAAIABoa3zTLZ9M2Pltl+pvmWU+kvn+xHt7eMzHrcnlMy+mam2AAAAgEBPj9/Y+XWuTb6U1xLbOWNO29EupO1Ea85IOp6/ldXeQoAAEAgJq+G9/pteA6WjoR0ev5v1Rv8Xv8jGuTERF/W07G4yGoAAACCAE1Zz6a6/z33XKXgVv0MXzfd5+1VvY4O/E2i24AACCAgkqqlAiKzXNybOmc/j+i4eNYfQ7G/Ldjy6zdUWioupKWipbRCyYgTCKlAxzjnWcnK6PJl2c2v0+W74djUrPOO28WmguoW6sF4qLREWWVgsrBZRWvNZ1iedbyWN+u6nzfoc9++1PO82X206mx343UF4rBdQWVgtEKmIglAKiZx2TT8j6bl8uvA2e1Obj1d+M69Hm4fa78rRVrN4oLTQXisF4rBaIhLKCygrIcPhnm72znHpagdD0h6uFZOvOAoJECgRBIAC//xAApEAABBAECBQUBAAMAAAAAAAABAAIDBBEFEhATITBAFBUgIjFBIzJw/9oACAEBAAEFAv8AgGVnxyfkD4RPYz4EtuGFC9VK58LkHNPz6jv9XHCwgENyEsgQszhC7ZCGoWUNSmQ1ORN1NQztnb3MFjgh9ljjjjjjpufU9zU60T2D06hjjlfJS2jlxoRBclckrkPXJlXLkC2PVSt6dnckG1X6XpnwzPghgvSOjaesLQUYQWysAPDLlSquiH73Wu3NcxqtVn0pgVuUO2KNlyuVdG12UOppUuUP3vO+jn4exzG2opG8qWHAdNPtDLW58UpLR1VKlykUOnfP+MztOX6QySUMdG/242me1yRPazElGgYiSgMeAQHBw6tK1CBskNfUDCJLQmNOnylnDQPCkZvaFP8AatHWbIq1SGHg0dfDyv8AYRxBqAwEPzwcr+KM/YL+IfnazwysrK3cf4mHBBWVn5Z71yYwVotRlklGqSKLVXlTX5I17jMXQSGSPwrsPPqw0Jo5hp9lR0rLTPWnkMenWN8MZji8K7YfXA1eRe7yBe7yr3aZe6zqpfltTLPDKys8MrKysrKzwz8NRdlmxudgWxi5bMmNhVBobZWeOTxzxyshZWeP/8QAIBEAAgICAgIDAAAAAAAAAAAAAAEREgIwECEDIDFAUP/aAAgBAwEBPwH2j8VaYKlSpUh/ab1ob14j4nShbMe3HGShwPVgmnZFRp5OTJRqw7RUqeT50//EAB8RAAICAwACAwAAAAAAAAAAAAABAhEDEjAQIRNAUP/aAAgBAgEBPwH8uuNmxsbGxa+0lxq/DEuNCRMXsrnIXOfpWxog7Vi5ZGmtWOaItRVEXa5ZHQ8jPlZidrj/AP/EADkQAAEDAQMKAgYLAQAAAAAAAAEAAhEDEiExEBMiMjNAQVFhkTCSQnFygYKhBBQgIzRSYHCiscHh/9oACAEBAAY/Av3IipUa09SvxFPutrTPxLFvfdiXGScT9i4lXVH+ZbZ/dbUrWHlWDOyvY1X0uxVpnvHilpEEYjIB4UcIv8X6zZdIueGrGsOy0X1CfZ/6ryR7lth5Stqz5rXZ3WLfMFq/MLZv7LZv8qGg6/oiTrux6eLaxb6QVtl9F2HRE0jDnGLXJVKdV1oWbieeXBHLEnus5UJtnhyXTxZRpPE0n4ItxY7AnjkhA1HBvrUZzuFIwOSEKlQaf9KOHjWx8QXQp30etrDj/qfTmbBhF5ExgEXvkkqCIRou1Th0OTOVBp8ByUDcI9A4dEHNMOGBVSqK7peZiLk6k8Q4FQCAcRKmoWwPy3oLOVYngOS67jBwKsOx4HnkzuFRmBVlzVotMlZyoPvOXLJJx3KOPDI8LSbKtNZpc8k9t1I/RLngSrGiFgsELPEIK1EX7m5l89Fask3LZnstkhZp8FpNPZRBG5h7ZuV7Hd1dTefWVsj5lsv5K5ndydSc0Na1s4zuebmMCrn8FtFrke5azo9lTaePhVRzCYdwI3H/xAAqEAACAQIFAgYDAQEAAAAAAAABEQAhMRBBUWFxIDCBkaGx0fBAweFw8f/aAAgBAQABPyH/AABYmsY/GZQW6WZqfhZQgGfpgoK59ASAvvmW9lU8p/IEFt4JBjBuAgZy8oq2LxY5wegoC+8y0OZDUwAoBdsAg9gVLGOClq9fM6+QDArm5CZkk5t+cXJfyguXHdJ0ikTI4HQ4tHJSrAIARbABFqICTRWspEEWT4QwILj7qoPUADxMzB5l8QLBTqLgb90L/uDK8X4IXb6OJtPIPYvHzSjQydjfuKHyJ/QPiVgqEgyqYND3D4d1oqwJTY1lPiXUDfpKozeYFYc/qVAfN2Agi6bhwZxkJPiVUAlAa2j0JgehnYAowIChGz5mv/rujU4IOR0h4D0AHI6fE2uKUDQ7iFIVAG0IFWaGziGMxHEPqL3BEuxEWMMCsKk0gBFpH3eGtOXeEo2PMGvMAwGoMpqYAz7BClRIpkbRZyQyxJjJZpqYMVWtWHQebgVFGdIMRWfp3hM5ntAAADvgde+JpxAXGuDDHOCoxCqGPvMKOOpZ4wVNixFvGGIFVXeDIqPIikrrCc45nvuGInQMMGGFdB84BWGgMw7GE7K0vElitdmIAJrfW8VnoIatxi+p9bjgMsFS0MogkFoPeetxow6lRfUwmXTKzTBxx4OOPqcccccdJdANwhRwa9oTChx9hxxx9DGAmriA4TJM0JhUdDjjjjjjwOJF1i6xNcTQ+MPMcMUHjADSM6xnWM6xnWNGdYzrGdY444444THiFgVqyhwCCbQk2UMJo+yc2FVAJMAMRjBUCGxjjjlca9Pj0uOEHHMCR/jOLQD58rSjgxuiCWhQENQImoSS9+prE4sRjBxiNZQHaAJpVAN60ELs66YSKRsuNtESChbv+YfovtAWYHcNYScDnCHAfUjhHgcHOBKCRubRlQkb1zymTc60y8o0020CqNNZoqBa4BBxGAIWAdnnie8Z2nBGYzDDGkYGUTOGBDecI45//9oADAMBAAIAAwAAABBhJAAuAIJODC8BIgAcABSwEABb+gg6kAFzww0BA2VeEAbzzzzwEABOYQKszTzziED9uo7LMuvzzwED+T//AGn90884hEzOM7iPE4whC/Nwm7969CeLeTKcADfPOfnOGS0kgwBv7elCCCmwMoMyt33g4A4AAV9xefhCjhABAgffA//EAB4RAAMBAAIDAQEAAAAAAAAAAAABERAgMSEwQVFh/9oACAEDAQE/EOExoQntfK4sWwnB6hvT5dka2JXF6tuvv0LKs+HGlxMs7If0fhyu0bqGGG8UvPyOgxspUVFWUpcVoTtia6PIDs/UpfATWloGN55UpcWAlf1iQWR6f//EAB4RAAMAAgMBAQEAAAAAAAAAAAABERAhIDAxQVFh/9oACAECAQE/EOVLyfa8b60qJJYY+loPBJI3dDw0RjTN/glF0N6glRppvEvehmjRfjP4PpyhMMQdE2WleEIQhCYhB6NmeSEIQhCExsZM8F6O9ESeEREIQnJo8GMei4ovR1UNwU8SGlxJDKvk8//EACkQAQACAgECBgIDAQEBAAAAAAEAESExQVFhEHGBkaGxMMEg0fBA4fH/2gAIAQEAAT8QgeBrwD+FQjqUypUqV+EPAPE14mv+KvEL8T874PjUPxX+F8TwNf8AOeF0QXT8QcsFQTSP5alfwZUrwvWebrLB7w8QNL7zh93/ABNyIbrntNORj0Srw7gj+orYCRwW68OtRscpAAmn8L/ItqZnPRb8TQuvX90IM50/vmAMOZ+4hHMeq5cTqdGomtZ6xMjxAOUPsTDjWN8QRdepuGcev5bg65ESndlwVa83Vf3EIQ+kpbAHsQhRp1f2mYH7GvmYMvTMfMrP9g6QzzL+tBtv90fuUK8mR+2Wsdcv6kmSZKDT9z8rD3EUhhGK0Ab4DmKsGMKov99oAitaTVvrNhm4xaRqrIZ4KJb5S14UTa3cAA16wxfS5QzYd7ltEaw733uLi4fXSqfdh+RSXYhQMZRyYLOEdETRCNlFfrajFcxmHzIo06cq3ssyxVvoH9pXWPQ/c0PkKfYS2VjRk+4iAyHZCeRtHhh2DHxcvaWuZspIBis0ZNw8gA1oBwee8P5P8sTbK6GsOUNnJ5EMt1BWZE9Hh9IJCnQJ7FmrLmKZs83UUDza1XaWwcmGGCbdLiGwZtqf+TEwDHVfLp3jqL7Gn3iwU6aDkjSopZHPFdZgYAqne/yoZ4YuDq6+X5TxI9wLa7kCorqGy9t7XCV0gYcxMRuj+jqRDR+Bq39xWGVkekOSkD7JBb66lQZYwL6wXQjaL7g6hf8AyJm5p3XVRwKqu3R++7iZuphnPaABQUH5XTEqo0cez5PIlYV9a42I+ySn1CgUj5RpP0zWa79VXp5RKxMS0sWcgCpLUE2ct/nylDG6RYvvHcAWzWWJ0GqTv2iICRKBdvSFUrtMhf8ALeNR7LqWtOvnNJB/K/G5fitQloYzvD8u7jo45i8qflo8icjyQU3EiNeeaH1qLWWv2sUeSrX0zBDTo1vWgZpHZLBNstA1aCiEvZ0DKTRXdQiXlbvs694tRHafb2gFLUym1/EsGpcuLAQnZKHki9hbHz9nPvKOeY0NUecAeoZvt5XD30UGAfPp7w4vSK2RxQVcNuDeBO5Tf10cqntvg2L0IbBd/Y4DtLlyhLPG4udzzRaikvwXPhlzBERJsUdlpiqC5mYZavZL8GggkHkn1AoOpUTTS69JRQOtTiVYCYHL5suWlplLlpad0slxZcW4giJWGEsTZ5QPul55AHzKgLTtKgFDZbZkmLKeC+8vvL7y+8vvLlhKeBjKXFzLIdaA6kG29L6mU3mZV9v3HVAs01H4IFwpXLlstO6Uj4NesqckRKx6h7ynhG/SI8IGNsB6sbk8vqDZKG+j6ZYbl5931KXuPqyo2neTvJ3kU5Z3k7yPWS/Vi+rHHcXUvL9YjzFHMt6y5YAARJvmbuwC9V6xSp4Cg4sgxadq/qLhYuUVX6QgoE2Gr8pYcZ5ikLipaWixb1guoo3LUje7mes9Y7h1uevhzmUdQtBBRWcVOPmYMyO58oOrkcWEwC6HJ9R9ptZ7+IMdQ4pedbilJAdquJXNxSoAtxQlzJFx5ziZYmo1d0yqWSyIvmWTNi0XqlYhZRWQeo/UeBDBMwXmUXrU/wAMQylncn6hxS8BA8q+0K6DjZ8S9gCXeoA0V7QTxHKn4le8v1MStQFR733iThlb1G+os7xFZqNCiFvFRVQ7os8mCnVlSrQTZksBafGFMbFabqDpQDANvh5t+8b4RwWOb5sls01QtHzqcUUqD69YMXdONZAm6W5YvLfvADSssaHrG3cC8S3al3BKOBlhf3lCEYUYX0gnSgVwhj1ktsCf/9k=', }, }, ], }, }, { should: 'should re-populate thoughtSignature from reasoning metadata', inputMessage: { role: 'model', content: [{ reasoning: '', metadata: { thoughtSignature: 'abc123' } }], }, expectedOutput: { role: 'model', parts: [{ thought: true, thoughtSignature: 'abc123' }], }, }, ]; for (const test of testCases) { it(test.should, () => { assert.deepStrictEqual( toGeminiMessage(test.inputMessage as MessageData), test.expectedOutput ); }); } }); describe('toGeminiSystemInstruction', () => { const testCases = [ { should: 'should transform from system to user', inputMessage: { role: 'system', content: [{ text: 'You are an expert in all things cats.' }], }, expectedOutput: { role: 'user', parts: [{ text: 'You are an expert in all things cats.' }], }, }, { should: 'should transform from system to user with multiple parts', inputMessage: { role: 'system', content: [ { text: 'You are an expert in all things animals.' }, { text: 'You love cats.' }, ], }, expectedOutput: { role: 'user', parts: [ { text: 'You are an expert in all things animals.' }, { text: 'You love cats.' }, ], }, }, ]; for (const test of testCases) { it(test.should, () => { assert.deepStrictEqual( toGeminiSystemInstruction(test.inputMessage as MessageData), test.expectedOutput ); }); } }); describe('fromGeminiCandidate', () => { const testCases = [ { should: 'should transform gemini candidate to genkit candidate (text parts) correctly', // had to delete the probabilityScore, severity, severityScore for the HARM_CATEGORY_SEXUALLY_EXPLICIT safety rating category geminiCandidate: { content: { role: 'model', parts: [ { text: 'Why did the dog go to the bank?\n\nTo get his bones cashed!', }, ], }, finishReason: 'STOP', safetyRatings: [ { category: 'HARM_CATEGORY_HATE_SPEECH', probability: 'NEGLIGIBLE', probabilityScore: 0.12074952, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.18388656, }, { category: 'HARM_CATEGORY_DANGEROUS_CONTENT', probability: 'NEGLIGIBLE', probabilityScore: 0.37874627, severity: 'HARM_SEVERITY_LOW', severityScore: 0.37227696, }, { category: 'HARM_CATEGORY_HARASSMENT', probability: 'NEGLIGIBLE', probabilityScore: 0.3983479, severity: 'HARM_SEVERITY_LOW', severityScore: 0.22270013, }, { category: 'HARM_CATEGORY_SEXUALLY_EXPLICIT', probability: 'NEGLIGIBLE', }, ], }, expectedOutput: { index: 0, message: { role: 'model', content: [ { text: 'Why did the dog go to the bank?\n\nTo get his bones cashed!', }, ], }, finishReason: 'stop', finishMessage: undefined, custom: { citationMetadata: undefined, safetyRatings: [ { category: 'HARM_CATEGORY_HATE_SPEECH', probability: 'NEGLIGIBLE', probabilityScore: 0.12074952, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.18388656, }, { category: 'HARM_CATEGORY_DANGEROUS_CONTENT', probability: 'NEGLIGIBLE', probabilityScore: 0.37874627, severity: 'HARM_SEVERITY_LOW', severityScore: 0.37227696, }, { category: 'HARM_CATEGORY_HARASSMENT', probability: 'NEGLIGIBLE', probabilityScore: 0.3983479, severity: 'HARM_SEVERITY_LOW', severityScore: 0.22270013, }, { category: 'HARM_CATEGORY_SEXUALLY_EXPLICIT', probability: 'NEGLIGIBLE', }, ], }, }, }, { should: 'should transform gemini candidate to genkit candidate (function call parts) correctly', geminiCandidate: { content: { role: 'model', parts: [ { functionCall: { name: 'tellAFunnyJoke', args: { topic: 'dog' } }, }, ], }, finishReason: 'STOP', safetyRatings: [ { category: 'HARM_CATEGORY_HATE_SPEECH', probability: 'NEGLIGIBLE', probabilityScore: 0.11858909, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.11456649, }, { category: 'HARM_CATEGORY_DANGEROUS_CONTENT', probability: 'NEGLIGIBLE', probabilityScore: 0.13857833, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.11417085, }, { category: 'HARM_CATEGORY_HARASSMENT', probability: 'NEGLIGIBLE', probabilityScore: 0.28012377, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.112405084, }, { category: 'HARM_CATEGORY_SEXUALLY_EXPLICIT', probability: 'NEGLIGIBLE', }, ], }, expectedOutput: { index: 0, message: { role: 'model', content: [ { toolRequest: { name: 'tellAFunnyJoke', input: { topic: 'dog' }, ref: '0', }, }, ], }, finishReason: 'stop', finishMessage: undefined, custom: { citationMetadata: undefined, safetyRatings: [ { category: 'HARM_CATEGORY_HATE_SPEECH', probability: 'NEGLIGIBLE', probabilityScore: 0.11858909, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.11456649, }, { category: 'HARM_CATEGORY_DANGEROUS_CONTENT', probability: 'NEGLIGIBLE', probabilityScore: 0.13857833, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.11417085, }, { category: 'HARM_CATEGORY_HARASSMENT', probability: 'NEGLIGIBLE', probabilityScore: 0.28012377, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.112405084, }, { category: 'HARM_CATEGORY_SEXUALLY_EXPLICIT', probability: 'NEGLIGIBLE', }, ], }, }, }, { should: 'should transform gemini candidate to genkit candidate (thought parts) correctly', geminiCandidate: { content: { role: 'model', parts: [ { thought: true, thoughtSignature: 'abc123', }, { thought: true, text: 'thought with text', thoughtSignature: 'def456', }, ], }, finishReason: 'STOP', safetyRatings: [ { category: 'HARM_CATEGORY_HATE_SPEECH', probability: 'NEGLIGIBLE', probabilityScore: 0.11858909, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.11456649, }, { category: 'HARM_CATEGORY_DANGEROUS_CONTENT', probability: 'NEGLIGIBLE', probabilityScore: 0.13857833, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.11417085, }, { category: 'HARM_CATEGORY_HARASSMENT', probability: 'NEGLIGIBLE', probabilityScore: 0.28012377, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.112405084, }, { category: 'HARM_CATEGORY_SEXUALLY_EXPLICIT', probability: 'NEGLIGIBLE', }, ], }, expectedOutput: { index: 0, message: { role: 'model', content: [ { reasoning: '', metadata: { thoughtSignature: 'abc123' }, }, { reasoning: 'thought with text', metadata: { thoughtSignature: 'def456' }, }, ], }, finishReason: 'stop', finishMessage: undefined, custom: { citationMetadata: undefined, safetyRatings: [ { category: 'HARM_CATEGORY_HATE_SPEECH', probability: 'NEGLIGIBLE', probabilityScore: 0.11858909, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.11456649, }, { category: 'HARM_CATEGORY_DANGEROUS_CONTENT', probability: 'NEGLIGIBLE', probabilityScore: 0.13857833, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.11417085, }, { category: 'HARM_CATEGORY_HARASSMENT', probability: 'NEGLIGIBLE', probabilityScore: 0.28012377, severity: 'HARM_SEVERITY_NEGLIGIBLE', severityScore: 0.112405084, }, { category: 'HARM_CATEGORY_SEXUALLY_EXPLICIT', probability: 'NEGLIGIBLE', }, ], }, }, }, ]; for (const test of testCases) { it(test.should, () => { assert.deepStrictEqual( fromGeminiCandidate( test.geminiCandidate as GenerateContentCandidate, false ), test.expectedOutput ); }); } }); describe('cleanSchema', () => { it('strips nulls from type', () => { const cleaned = cleanSchema({ type: 'object', properties: { title: { type: 'string', }, subtitle: { type: ['string', 'null'], }, }, required: ['title'], additionalProperties: true, $schema: 'http://json-schema.org/draft-07/schema#', }); assert.deepStrictEqual(cleaned, { type: 'object', properties: { title: { type: 'string', }, subtitle: { type: 'string', }, }, required: ['title'], }); }); }); describe('toGeminiTool', () => { it('converts to gemini tool', async () => { const got = toGeminiTool({ name: 'foo', description: 'tool foo', inputSchema: toJsonSchema({ schema: z.object({ simpleString: z.string().describe('a string').nullable(), simpleNumber: z.number().describe('a number'), simpleBoolean: z.boolean().describe('a boolean').optional(), simpleArray: z.array(z.string()).describe('an array').optional(), simpleEnum: z .enum(['choice_a', 'choice_b']) .describe('an enum') .optional(), }), }), }); const want = { description: 'tool foo', name: 'foo', parameters: { properties: { simpleArray: { description: 'an array', items: { type: 'STRING', }, type: 'ARRAY', }, simpleBoolean: { description: 'a boolean', type: 'BOOLEAN', }, simpleEnum: { description: 'an enum', enum: ['choice_a', 'choice_b'], type: 'STRING', }, simpleNumber: { description: 'a number', type: 'NUMBER', }, simpleString: { description: 'a string', nullable: true, type: 'STRING', }, }, required: ['simpleString', 'simpleNumber'], type: 'OBJECT', }, }; assert.deepStrictEqual(got, want); }); it('converts empty object schema', async () => { const got = toGeminiTool({ name: 'foo', description: 'tool foo', inputSchema: { type: 'object', }, }); assert.deepStrictEqual(got, { description: 'tool foo', name: 'foo', parameters: { properties: {}, required: undefined, type: 'OBJECT', }, }); }); });