feat: Add jobs.delete and update to latest discovery types (#1023)

* feat: add jobs.delete

* fix test

* refactor

* lint

* lint

* update jobs test

* refactor

* lint

* remove unnecessary DeleteCallback

* remove unnecessary DeleteCallback

* update

* add deleteJobs() to system-test to delete stale job resources

* remove unnecessary jobs cleanup

src/job.ts

@@ -134,6 +134,53 @@ class Job extends Operation {
     let location: string;
 
     const methods = {
+      /**
+       * @callback DeleteJobCallback
+       * @param {?Error} err Request error, if any.
+       * @param {object} apiResponse The full API response.
+       */
+      /**
+       * @typedef {array} DeleteJobResponse
+       * @property {object} 0 The full API response.
+       */
+      /**
+       * Delete the job.
+       *
+       * @see [Jobs: delete API Documentation]{@link https://cloud.google.com/bigquery/docs/reference/rest/v2/jobs/delete}
+       *
+       * @method Job#delete
+       * @param {DeleteJobCallback} [callback] The callback function.
+       * @param {?error} callback.err An error returned while making this
+       *     request.
+       * @param {object} callback.apiResponse The full API response.
+       * @returns {Promise<DeleteJobResponse>}
+       *
+       * @example
+       * const {BigQuery} = require('@google-cloud/bigquery');
+       * const bigquery = new BigQuery();
+       *
+       * const job = bigquery.job(jobId);
+       * job.delete((err, apiResponse) => {
+       *   if (!err) {
+       *     // The job was deleted successfully.
+       *   }
+       * });
+       *
+       * @example If the callback is omitted a Promise will be returned
+       * const [apiResponse] = await job.delete();
+       */
+      delete: {
+        reqOpts: {
+          method: 'DELETE',
+          uri: '/delete',
+          qs: {
+            get location() {
+              return location;
+            },
+          },
+        },
+      },
+
       /**
        * @callback JobExistsCallback
        * @param {?Error} err Request error, if any.

system-test/bigquery.ts

@@ -646,6 +646,25 @@ describe('BigQuery', () => {
     });
   });
 
+  describe('BigQuery/Job', () => {
+    it('should delete a job', async () => {
+      const opts = {
+        configuration: {
+          query: {
+            query: 'SELECT 100 as foo',
+          },
+        },
+        location: 'us-east1',
+      };
+
+      const [job] = await bigquery.createJob(opts);
+      const [resp] = await job.delete();
+      const [exists] = await job.exists();
+      assert.deepStrictEqual(resp, {});
+      assert.strictEqual(exists, false);
+    });
+  });
+
   describe('BigQuery/Model', () => {
     let model: Model;
     const bucket = storage.bucket(generateName('bucket'));

test/job.ts

@@ -123,6 +123,13 @@ describe('BigQuery/Job', () => {
       assert.strictEqual(calledWith.baseUrl, '/jobs');
       assert.strictEqual(calledWith.id, JOB_ID);
       assert.deepStrictEqual(calledWith.methods, {
+        delete: {
+          reqOpts: {
+            method: 'DELETE',
+            uri: '/delete',
+            qs: {location: undefined},
+          },
+        },
         exists: true,
         get: true,
         getMetadata: {