feat(genai): Sample/textgen part1

genai/test/imggen-mmflash-with-txt.test.js

@@ -24,7 +24,7 @@ const {delay} = require('./util');
 describe('imggen-mmflash-with-txt', async () => {
   it('should generate images from a text prompt', async function () {
     this.timeout(180000);
-    this.retries(4);
+    this.retries(10);
     await delay(this.test);
     const generatedFileNames = await sample.generateContent(projectId);
     assert(Array.isArray(generatedFileNames));

genai/test/textgen-async-with-txt.test.js

@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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.
+
+'use strict';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-async-with-txt.js');
+
+describe('textgen-async-with-txt', () => {
+  it('should generate text content from a text prompt and with system instructions', async function () {
+    this.timeout(100000);
+    const output = await sample.generateContent(projectId);
+    assert(output.length > 0);
+  });
+});

genai/test/textgen-chat-stream-with-txt.test.js

@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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.
+
+'use strict';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-chat-stream-with-txt.js');
+
+describe('textgen-chat-stream-with-txt', () => {
+  it('should generate text content from a mute video', async function () {
+    this.timeout(100000);
+    const output = await sample.generateContent(projectId);
+    assert.isTrue(output);
+  });
+});

genai/test/textgen-chat-with-txt.test.js

@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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.
+
+'use strict';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-chat-with-txt.js');
+
+describe('textgen-chat-with-txt', () => {
+  it('should generate chat content from a text prompt', async function () {
+    this.timeout(100000);
+    const output = await sample.generateContent(projectId);
+    assert(output.length > 0);
+  });
+});

genai/test/textgen-config-with-txt.test.js

@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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.
+
+'use strict';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-config-with-txt.js');
+
+describe('textgen-config-with-txt', () => {
+  it('should generate text content from a text prompt with config', async function () {
+    this.timeout(100000);
+    const output = await sample.generateContent(projectId);
+    assert(output.length > 0);
+  });
+});

genai/test/textgen-with-mute-video.test.js

@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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.
+
+'use strict';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-with-mute-video.js');
+
+describe('textgen-with-mute-video', () => {
+  it('should generate text content from a mute video', async function () {
+    this.timeout(100000);
+    const output = await sample.generateContent(projectId);
+    assert(output.length > 0);
+  });
+});

genai/text-generation/textgen-async-with-txt.js

@@ -0,0 +1,54 @@
+// Copyright 2025 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
+//
+//     https://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.
+
+'use strict';
+
+// [START googlegenaisdk_textgen_async_with_txt]
+const {GoogleGenAI} = require('@google/genai');
+
+const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
+const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
+
+async function generateContent(
+  projectId = GOOGLE_CLOUD_PROJECT,
+  location = GOOGLE_CLOUD_LOCATION
+) {
+  const ai = new GoogleGenAI({
+    vertexai: true,
+    project: projectId,
+    location: location,
+  });
+
+  const response = await ai.models.generateContent({
+    model: 'gemini-2.5-flash',
+    contents:
+      'Compose a song about the adventures of a time-traveling nuggets.',
+    config: {
+      responseMimeType: 'text/plain',
+    },
+  });
+
+  console.log(response.text);
+
+  return response.text;
+}
+// Example response:
+// (Verse 1)
+// Sammy the nugget, a furry little friend
+// Had a knack for adventure, beyond all comprehend
+// [END googlegenaisdk_textgen_async_with_txt]
+
+module.exports = {
+  generateContent,
+};

genai/text-generation/textgen-chat-stream-with-txt.js

@@ -0,0 +1,54 @@
+// Copyright 2025 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
+//
+//     https://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.
+
+'use strict';
+
+// [START googlegenaisdk_textgen_chat_stream_with_txt]
+const {GoogleGenAI} = require('@google/genai');
+
+const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
+const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
+
+async function generateContent(
+  projectId = GOOGLE_CLOUD_PROJECT,
+  location = GOOGLE_CLOUD_LOCATION
+) {
+  const ai = new GoogleGenAI({
+    vertexai: true,
+    project: projectId,
+    location: location,
+  });
+
+  const chatSession = ai.chats.create({
+    model: 'gemini-2.5-flash',
+  });
+
+  for await (const chunk of await chatSession.sendMessageStream({
+    message: 'Why lava is red?',
+  })) {
+    console.log(chunk.text);
+  }
+
+  return true;
+}
+// Example response:
+// The
+// sky appears blue due to a phenomenon called **Rayleigh scattering**. Here's
+// a breakdown of why:
+// ...
+// [END googlegenaisdk_textgen_chat_stream_with_txt]
+
+module.exports = {
+  generateContent,
+};

genai/text-generation/textgen-chat-with-txt.js

@@ -0,0 +1,59 @@
+// Copyright 2025 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
+//
+//     https://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.
+
+'use strict';
+
+// [START googlegenaisdk_textgen_chat_with_txt]
+const {GoogleGenAI} = require('@google/genai');
+
+const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
+const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
+
+async function generateContent(
+  projectId = GOOGLE_CLOUD_PROJECT,
+  location = GOOGLE_CLOUD_LOCATION
+) {
+  const ai = new GoogleGenAI({
+    vertexai: true,
+    project: projectId,
+    location: location,
+  });
+
+  const chatSession = ai.chats.create({
+    model: 'gemini-2.5-flash',
+    history: [
+      {
+        role: 'user',
+        parts: [{text: 'Hello'}],
+      },
+      {
+        role: 'model',
+        parts: [{text: 'Great to meet you. What would you like to know?'}],
+      },
+    ],
+  });
+
+  const response = await chatSession.sendMessage({message: 'Tell me a story.'});
+  console.log(response.text);
+
+  return response.text;
+}
+// Example response:
+// Okay, here's a story for you:
+// ...
+// [END googlegenaisdk_textgen_chat_with_txt]
+
+module.exports = {
+  generateContent,
+};

genai/text-generation/textgen-config-with-txt.js

@@ -0,0 +1,64 @@
+// Copyright 2025 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
+//
+//     https://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.
+
+'use strict';
+
+// [START googlegenaisdk_textgen_config_with_txt]
+const {GoogleGenAI} = require('@google/genai');
+
+const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
+const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
+
+async function generateContent(
+  projectId = GOOGLE_CLOUD_PROJECT,
+  location = GOOGLE_CLOUD_LOCATION
+) {
+  const ai = new GoogleGenAI({
+    vertexai: true,
+    project: projectId,
+    location: location,
+  });
+
+  const config = {
+    temperature: 0,
+    candidateCount: 1,
+    responseMimeType: 'application/json',
+    topP: 0.95,
+    topK: 20,
+    seed: 5,
+    maxOutputTokens: 500,
+    stopSequences: ['STOP!'],
+    presencePenalty: 0.0,
+    frequencyPenalty: 0.0,
+  };
+
+  const response = await ai.models.generateContent({
+    model: 'gemini-2.5-flash',
+    contents: 'Why is the sky blue?',
+    config: config,
+  });
+
+  console.log(response.text);
+
+  return response.text;
+}
+// Example response:
+// {
+//   "explanation": "The sky appears blue due to a phenomenon called Rayleigh scattering. When ...
+// }
+// [END googlegenaisdk_textgen_config_with_txt]
+
+module.exports = {
+  generateContent,
+};