From 6dd98f97967fc3f8bfdfa2c2560e8ce47b4e0240 Mon Sep 17 00:00:00 2001
From: Mike Lewis <mtlewis@users.noreply.github.com>
Date: Thu, 5 Aug 2021 12:09:22 +0100
Subject: [PATCH] scaffolder: add test suite for EntityNamePicker validation

Signed-off-by: Mike Lewis <mtlewis@users.noreply.github.com>
---
 .../EntityNamePicker/validation.test.ts       | 65 +++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 plugins/scaffolder/src/components/fields/EntityNamePicker/validation.test.ts

diff --git a/plugins/scaffolder/src/components/fields/EntityNamePicker/validation.test.ts b/plugins/scaffolder/src/components/fields/EntityNamePicker/validation.test.ts
new file mode 100644
index 0000000000..2006a87520
--- /dev/null
+++ b/plugins/scaffolder/src/components/fields/EntityNamePicker/validation.test.ts
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2021 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 { FieldValidation } from '@rjsf/core';
+import { KubernetesValidatorFunctions } from '@backstage/catalog-model';
+import { entityNamePickerValidation } from './validation';
+
+jest.mock('@backstage/catalog-model', () => ({
+  KubernetesValidatorFunctions: {
+    isValidObjectName: jest.fn(),
+  },
+}));
+
+const mockIsValidObjectName = KubernetesValidatorFunctions.isValidObjectName as jest.MockedFunction<
+  typeof KubernetesValidatorFunctions.isValidObjectName
+>;
+
+describe('EntityNamePicker Validation', () => {
+  let mockFieldValidation: FieldValidation;
+
+  beforeEach(() => {
+    mockFieldValidation = ({
+      addError: jest.fn(),
+    } as unknown) as FieldValidation;
+  });
+
+  it('calls isValidObjectName to validate value', () => {
+    entityNamePickerValidation('test value', mockFieldValidation);
+
+    expect(mockIsValidObjectName).toHaveBeenCalled();
+  });
+
+  it('does not add an error when isValidObjectName returns true', () => {
+    mockIsValidObjectName.mockReturnValue(true);
+
+    entityNamePickerValidation('test value', mockFieldValidation);
+
+    expect(mockFieldValidation.addError).not.toHaveBeenCalled();
+  });
+
+  it('adds an error when isValidObjectName returns false', () => {
+    mockIsValidObjectName.mockReturnValue(false);
+
+    entityNamePickerValidation('test value', mockFieldValidation);
+
+    expect(mockFieldValidation.addError).toHaveBeenCalledWith(
+      expect.stringMatching(
+        /contain only alphanumeric characters, hyphens, underscores, and periods/,
+      ),
+    );
+  });
+});