Add delete fileset Entry sample (#1569)

Co-authored-by: F. Hinkelmann <franziska.hinkelmann@gmail.com>
Co-authored-by: Marcelo Costa <mycelo19@gmail.com>

datacatalog/quickstart/deleteFilesetEntry.js

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+/* eslint-disable no-warning-comments */
+
+// Copyright 2019 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.
+
+'use strict';
+
+/**
+ * This application demonstrates how to delete a fileset Entry and an
+ * Entry Group with the Cloud Data Catalog API.
+
+ * For more information, see the README.md under /datacatalog and the
+ * documentation at https://cloud.google.com/data-catalog/docs.
+ */
+const main = async (
+  projectId = process.env.GCLOUD_PROJECT,
+  entryGroupId,
+  entryId
+) => {
+  // [START datacatalog_delete_fileset_quickstart_tag]
+  // -------------------------------
+  // Import required modules.
+  // -------------------------------
+  const {DataCatalogClient} = require('@google-cloud/datacatalog').v1beta1;
+  const datacatalog = new DataCatalogClient();
+
+  // -------------------------------
+  // Currently, Data Catalog stores metadata in the
+  // us-central1 region.
+  // -------------------------------
+  const location = 'us-central1';
+
+  // TODO(developer): Uncomment the following lines before running the sample.
+  // const projectId = 'my-project'
+  // const entryGroupId = 'my-entry-group'
+  // const entryId = 'my-entry'
+
+  // -------------------------------
+  // 1. Delete a Fileset Entry.
+  // -------------------------------
+  const formattedName = datacatalog.entryPath(
+    projectId,
+    location,
+    entryGroupId,
+    entryId
+  );
+  await datacatalog.deleteEntry({name: formattedName});
+  console.log(`Deleted entry ${formattedName}`);
+
+  // -------------------------------
+  // 2. Delete an Entry Group.
+  // -------------------------------
+  try {
+    const formattedName = datacatalog.entryGroupPath(
+      projectId,
+      location,
+      entryGroupId
+    );
+    await datacatalog.deleteEntryGroup({name: formattedName});
+    console.log(`Deleted entry group ${formattedName}`);
+  } catch (err) {
+    console.log('Entry Group does not exist or is not empty.');
+  }
+};
+// [END datacatalog_delete_fileset_quickstart_tag]
+
+// node deleteFilesetEntry.js <projectId> <entryGroupId> <entryId>
+main(...process.argv.slice(2));

datacatalog/quickstart/system-test/deleteFilesetEntry.test.js

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+// Copyright 2019 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.
+
+'use strict';
+
+const path = require('path');
+const assert = require('assert');
+const uuid = require('uuid');
+const cwd = path.join(__dirname, '..');
+const {exec} = require('child_process');
+
+const projectId = process.env.GCLOUD_PROJECT;
+const location = 'us-central1';
+// Use unique id to avoid conflicts between concurrent test runs
+const entryGroupId = `fileset_entry_group_${uuid.v4().substr(0, 8)}`;
+const entryId = `fileset_entry_id_${uuid.v4().substr(0, 8)}`;
+
+const {DataCatalogClient} = require('@google-cloud/datacatalog').v1beta1;
+const datacatalog = new DataCatalogClient();
+
+before(() => {
+  assert(
+    process.env.GCLOUD_PROJECT,
+    'Must set GCLOUD_PROJECT environment variable!'
+  );
+  assert(
+    process.env.GOOGLE_APPLICATION_CREDENTIALS,
+    'Must set GOOGLE_APPLICATION_CREDENTIALS environment variable!'
+  );
+});
+
+describe('deleteFilesetEntry', () => {
+  before(done => {
+    // Must create an entry to be deleted.
+    exec(
+      `node createFilesetEntry.js ${projectId} ${entryGroupId} ${entryId}`,
+      {cwd},
+      done
+    );
+  });
+
+  it('should delete a fileset entry', done => {
+    exec(
+      `node deleteFilesetEntry.js ${projectId} ${entryGroupId} ${entryId}`,
+      {cwd},
+      (err, stdout) => {
+        assert.ok(
+          stdout.includes(
+            datacatalog.entryGroupPath(projectId, location, entryGroupId)
+          )
+        );
+        done();
+      }
+    );
+  });
+});