packages: new frontend-test-utils package

Co-authored-by: Vincenzo Scamporlino <vincenzos@spotify.com>
Co-authored-by: Camila Belo <camilaibs@gmail.com>
Co-authored-by: Fredrik Adelöw <freben@gmail.com>
Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/frontend-test-utils/.eslintrc.js

@@ -0,0 +1 @@
+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname);

packages/frontend-test-utils/README.md

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+# @backstage/frontend-test-utils
+
+_This package was created through the Backstage CLI_.
+
+## Installation
+
+Install the package via Yarn:
+
+```sh
+cd <package-dir> # if within a monorepo
+yarn add @backstage/frontend-test-utils
+```

packages/frontend-test-utils/package.json

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+{
+  "name": "@backstage/frontend-test-utils",
+  "version": "0.0.0",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "license": "Apache-2.0",
+  "publishConfig": {
+    "access": "public",
+    "main": "dist/index.esm.js",
+    "types": "dist/index.d.ts"
+  },
+  "backstage": {
+    "role": "web-library"
+  },
+  "sideEffects": false,
+  "scripts": {
+    "start": "backstage-cli package start",
+    "build": "backstage-cli package build",
+    "lint": "backstage-cli package lint",
+    "test": "backstage-cli package test",
+    "clean": "backstage-cli package clean",
+    "prepack": "backstage-cli package prepack",
+    "postpack": "backstage-cli package postpack"
+  },
+  "devDependencies": {
+    "@backstage/cli": "workspace:^",
+    "@testing-library/jest-dom": "^6.0.0"
+  },
+  "files": [
+    "dist"
+  ]
+}

packages/frontend-test-utils/src/index.ts

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+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * 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.
+ */
+
+export {};

packages/frontend-test-utils/src/setupTests.ts

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+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * 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.
+ */
+
+import '@testing-library/jest-dom';

yarn.lock

@@ -4345,6 +4345,15 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"@backstage/frontend-test-utils@workspace:packages/frontend-test-utils":
+  version: 0.0.0-use.local
+  resolution: "@backstage/frontend-test-utils@workspace:packages/frontend-test-utils"
+  dependencies:
+    "@backstage/cli": "workspace:^"
+    "@testing-library/jest-dom": ^6.0.0
+  languageName: unknown
+  linkType: soft
+
 "@backstage/integration-aws-node@workspace:^, @backstage/integration-aws-node@workspace:packages/integration-aws-node":
   version: 0.0.0-use.local
   resolution: "@backstage/integration-aws-node@workspace:packages/integration-aws-node"