Chore: Removes observableTester (#29369)

packages/grafana-data/src/utils/index.ts

@@ -17,4 +17,3 @@ export { locationUtil } from './location';
 export { urlUtil, UrlQueryMap, UrlQueryValue } from './url';
 export { DataLinkBuiltInVars, mapInternalLinkToExplore } from './dataLinks';
 export { DocsId } from './docs';
-export { observableTester } from './tests/observableTester';

packages/grafana-data/src/utils/tests/observableTester.ts

@@ -1,108 +0,0 @@
-import { Observable } from 'rxjs';
-
-interface ObservableTester<T> {
-  observable: Observable<T>;
-  done: {
-    (...args: any[]): any;
-    fail(error?: string | { message: string }): any;
-  };
-}
-
-interface SubscribeAndExpectOnNext<T> extends ObservableTester<T> {
-  expect: (value: T) => void;
-}
-
-interface SubscribeAndExpectOnNextAndComplete<T> extends ObservableTester<T> {
-  expectOnNext: (value: T) => void;
-  expectOnComplete: () => void;
-}
-
-interface SubscribeAndExpectOnComplete<T> extends ObservableTester<T> {
-  expect: () => void;
-}
-
-interface SubscribeAndExpectOnError<T> extends ObservableTester<T> {
-  expect: (err: any) => void;
-}
-
-export const observableTester = () => {
-  const subscribeAndExpectOnNext = <T>({ observable, expect, done }: SubscribeAndExpectOnNext<T>): void => {
-    observable.subscribe({
-      next: value => {
-        try {
-          expect(value);
-        } catch (err) {
-          done.fail(err);
-        }
-      },
-      error: err => done.fail(err),
-      complete: () => done(),
-    });
-  };
-
-  const subscribeAndExpectOnComplete = <T>({ observable, expect, done }: SubscribeAndExpectOnComplete<T>): void => {
-    observable.subscribe({
-      next: () => {},
-      error: err => done.fail(err),
-      complete: () => {
-        try {
-          expect();
-          done();
-        } catch (err) {
-          done.fail(err);
-        }
-      },
-    });
-  };
-
-  const subscribeAndExpectOnNextAndComplete = <T>({
-    observable,
-    expectOnComplete,
-    expectOnNext,
-    done,
-  }: SubscribeAndExpectOnNextAndComplete<T>): void => {
-    observable.subscribe({
-      next: (value: T) => {
-        try {
-          expectOnNext(value);
-          done();
-        } catch (err) {
-          done.fail(err);
-        }
-      },
-      error: err => done.fail(err),
-      complete: () => {
-        try {
-          expectOnComplete();
-          done();
-        } catch (err) {
-          done.fail(err);
-        }
-      },
-    });
-  };
-
-  const subscribeAndExpectOnError = <T>({ observable, expect, done }: SubscribeAndExpectOnError<T>): void => {
-    observable.subscribe({
-      next: () => {},
-      error: err => {
-        try {
-          expect(err);
-          done();
-        } catch (err) {
-          done.fail(err);
-        }
-      },
-      complete: () => {
-        done();
-      },
-    });
-  };
-
-  return {
-    subscribeAndExpectOnNext,
-    subscribeAndExpectOnComplete,
-    subscribeAndExpectOnNextAndComplete,
-    subscribeAndExpectOnError,
-  };
-};