docs: add vision classification ga samples (#297)

* docs: add vision classification ga samples

* lint fix

* Fix field and add missing file

* Increase timeout

* Decrease time to run tests

* lint

* Update license headers

* Update temp output file to not cause collisions

* Use spawnsync instead of execsync for stderr output

* Lint and license header fixes

Co-authored-by: Benjamin E. Coe <bencoe@google.com>

automl/language_entity_extraction_predict.js

@@ -4,7 +4,7 @@
 // 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
+//     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,

automl/test/vision_classification_create_dataset.test.js

@@ -0,0 +1,57 @@
+// Copyright 2020 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 {after, describe, it} = require('mocha');
+const {AutoMlClient} = require('@google-cloud/automl').v1;
+
+const cp = require('child_process');
+const uuid = require('uuid');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
+const CREATE_DATASET_REGION_TAG = 'vision_classification_create_dataset';
+const LOCATION = 'us-central1';
+
+describe('Automl Vision Classification Create Dataset Test', () => {
+  const client = new AutoMlClient();
+  let datasetId;
+
+  it('should create a dataset', async () => {
+    const projectId = await client.getProjectId();
+    const displayName = `test_${uuid
+      .v4()
+      .replace(/-/g, '_')
+      .substring(0, 26)}`;
+
+    // create
+    const create_output = execSync(
+      `node ${CREATE_DATASET_REGION_TAG}.js ${projectId} ${LOCATION} ${displayName}`
+    );
+    assert.match(create_output, /Dataset id:/);
+
+    datasetId = create_output.split('Dataset id: ')[1].split('\n')[0];
+  });
+
+  after('delete created dataset', async () => {
+    const projectId = await client.getProjectId();
+    const request = {
+      name: client.datasetPath(projectId, LOCATION, datasetId),
+    };
+    const [operation] = await client.deleteDataset(request);
+    await operation.promise();
+  });
+});

automl/test/vision_classification_create_model.test.js

@@ -0,0 +1,49 @@
+// Copyright 2020 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 {after, describe, it} = require('mocha');
+const {AutoMlClient} = require('@google-cloud/automl').v1;
+
+const cp = require('child_process');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
+const CREATE_MODEL_REGION_TAG = 'vision_classification_create_model';
+const LOCATION = 'us-central1';
+const DATASET_ID = 'ICN6257835245115015168';
+
+describe('Automl Vision Classification Create Model Tests', () => {
+  const client = new AutoMlClient();
+  let operationId;
+
+  it('should create a model', async () => {
+    const projectId = await client.getProjectId();
+    const create_output = execSync(
+      `node ${CREATE_MODEL_REGION_TAG}.js ${projectId} ${LOCATION} ${DATASET_ID} classification_test_create_model`
+    );
+
+    assert.match(create_output, /Training started/);
+
+    operationId = create_output
+      .split('Training operation name: ')[1]
+      .split('\n')[0];
+  });
+
+  after('cancel model training', async () => {
+    await client.operationsClient.cancelOperation({name: operationId});
+  });
+});

automl/test/vision_classification_deploy_model_node_count.test.js

@@ -0,0 +1,42 @@
+// Copyright 2020 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 {AutoMlClient} = require('@google-cloud/automl').v1;
+
+const cp = require('child_process');
+
+const DEPLOY_MODEL_REGION_TAG =
+  'vision_classification_deploy_model_node_count.js';
+const LOCATION = 'us-central1';
+const MODEL_ID = 'ICN0000000000000000000';
+
+describe('Automl Vision Classification Deploy Model Test', () => {
+  const client = new AutoMlClient();
+
+  it('should deploy a model with a specified node count', async () => {
+    // As model deployment can take a long time, instead try to deploy a
+    // nonexistent model and confirm that the model was not found, but other
+    // elements of the request were valid.
+    const projectId = await client.getProjectId();
+    const args = [DEPLOY_MODEL_REGION_TAG, projectId, LOCATION, MODEL_ID];
+    const output = cp.spawnSync('node', args, {encoding: 'utf8'});
+
+    assert.match(output.stderr, /NOT_FOUND/);
+    assert.match(output.stderr, /The model does not exist./);
+  });
+});

automl/test/vision_classification_predict.test.js

@@ -0,0 +1,60 @@
+// Copyright 2020 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 {before, describe, it} = require('mocha');
+const {AutoMlClient} = require('@google-cloud/automl').v1;
+
+const cp = require('child_process');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
+const MODEL_ID = 'ICN5317963909599068160';
+const PREDICT_REGION_TAG = 'vision_classification_predict';
+const LOCATION = 'us-central1';
+
+describe('Automl Vision Classification Predict Test', () => {
+  const client = new AutoMlClient();
+
+  before('should verify the model is deployed', async () => {
+    const projectId = await client.getProjectId();
+    const request = {
+      name: client.modelPath(projectId, LOCATION, MODEL_ID),
+    };
+
+    const [response] = await client.getModel(request);
+    if (response.deploymentState === 'UNDEPLOYED') {
+      const request = {
+        name: client.modelPath(projectId, LOCATION, MODEL_ID),
+      };
+
+      const [operation] = await client.deployModel(request);
+
+      // Wait for operation to complete.
+      await operation.promise();
+    }
+  });
+
+  it('should predict', async () => {
+    const projectId = await client.getProjectId();
+    const filePath = 'resources/test.png';
+
+    const predictOutput = execSync(
+      `node ${PREDICT_REGION_TAG}.js ${projectId} ${LOCATION} ${MODEL_ID} ${filePath}`
+    );
+    assert.match(predictOutput, /Predicted class name/);
+  });
+});

automl/vision_classification_create_dataset.js

@@ -0,0 +1,71 @@
+// Copyright 2020 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';
+
+function main(
+  projectId = 'YOUR_PROJECT_ID',
+  location = 'us-central1',
+  displayName = 'YOUR_DISPLAY_NAME'
+) {
+  // [START automl_vision_classification_create_dataset]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  // const projectId = 'YOUR_PROJECT_ID';
+  // const location = 'us-central1';
+  // const displayName = 'YOUR_DISPLAY_NAME';
+
+  // Imports the Google Cloud AutoML library
+  const {AutoMlClient} = require(`@google-cloud/automl`).v1;
+
+  // Instantiates a client
+  const client = new AutoMlClient();
+
+  async function createDataset() {
+    // Construct request
+    // Specify the classification type
+    // Types:
+    // MultiLabel: Multiple labels are allowed for one example.
+    // MultiClass: At most one label is allowed per example.
+    const request = {
+      parent: client.locationPath(projectId, location),
+      dataset: {
+        displayName: displayName,
+        imageClassificationDatasetMetadata: {
+          classificationType: 'MULTILABEL',
+        },
+      },
+    };
+
+    // Create dataset
+    const [operation] = await client.createDataset(request);
+
+    // Wait for operation to complete.
+    const [response] = await operation.promise();
+
+    console.log(`Dataset name: ${response.name}`);
+    console.log(`
+      Dataset id: ${
+        response.name
+          .split('/')
+          [response.name.split('/').length - 1].split('\n')[0]
+      }`);
+  }
+
+  createDataset();
+  // [END automl_vision_classification_create_dataset]
+}
+
+main(...process.argv.slice(2));

automl/vision_classification_create_model.js

@@ -0,0 +1,61 @@
+// Copyright 2020 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';
+
+function main(
+  projectId = 'YOUR_PROJECT_ID',
+  location = 'us-central1',
+  datasetId = 'YOUR_DATASET_ID',
+  displayName = 'YOUR_DISPLAY_NAME'
+) {
+  // [START automl_vision_classification_create_model]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  // const projectId = 'YOUR_PROJECT_ID';
+  // const location = 'us-central1';
+  // const dataset_id = 'YOUR_DATASET_ID';
+  // const displayName = 'YOUR_DISPLAY_NAME';
+
+  // Imports the Google Cloud AutoML library
+  const {AutoMlClient} = require(`@google-cloud/automl`).v1;
+
+  // Instantiates a client
+  const client = new AutoMlClient();
+
+  async function createModel() {
+    // Construct request
+    const request = {
+      parent: client.locationPath(projectId, location),
+      model: {
+        displayName: displayName,
+        datasetId: datasetId,
+        imageClassificationModelMetadata: {
+          trainBudgetMilliNodeHours: 24000,
+        },
+      },
+    };
+
+    // Don't wait for the LRO
+    const [operation] = await client.createModel(request);
+    console.log(`Training started... ${operation}`);
+    console.log(`Training operation name: ${operation.name}`);
+  }
+
+  createModel();
+  // [END automl_vision_classification_create_model]
+}
+
+main(...process.argv.slice(2));