Plugins: add a bundle plugins folder (#20850)

plugins-bundled/internal/input-datasource/src/InputDatasource.test.ts

@@ -0,0 +1,55 @@
+import InputDatasource, { describeDataFrame } from './InputDatasource';
+import { InputOptions, InputQuery } from './types';
+import {
+  DataFrame,
+  DataFrameDTO,
+  DataSourceInstanceSettings,
+  MutableDataFrame,
+  PluginMeta,
+  readCSV,
+} from '@grafana/data';
+
+import { getQueryOptions } from './testHelpers';
+
+describe('InputDatasource', () => {
+  const data = readCSV('a,b,c\n1,2,3\n4,5,6');
+  const instanceSettings: DataSourceInstanceSettings<InputOptions> = {
+    id: 1,
+    type: 'x',
+    name: 'xxx',
+    meta: {} as PluginMeta,
+    jsonData: {
+      data,
+    },
+  };
+
+  describe('when querying', () => {
+    test('should return the saved data with a query', () => {
+      const ds = new InputDatasource(instanceSettings);
+      const options = getQueryOptions<InputQuery>({
+        targets: [{ refId: 'Z' }],
+      });
+
+      return ds.query(options).then(rsp => {
+        expect(rsp.data.length).toBe(1);
+
+        const series: DataFrame = rsp.data[0];
+        expect(series.refId).toBe('Z');
+        expect(series.fields[0].values).toEqual(data[0].fields[0].values);
+      });
+    });
+  });
+
+  test('DataFrame descriptions', () => {
+    expect(describeDataFrame([])).toEqual('');
+    expect(describeDataFrame((null as unknown) as Array<DataFrameDTO | DataFrame>)).toEqual('');
+    expect(
+      describeDataFrame([
+        new MutableDataFrame({
+          name: 'x',
+          fields: [{ name: 'a' }],
+        }),
+      ])
+    ).toEqual('1 Fields, 0 Rows');
+  });
+});