From 9e0c5208b8585bcf30eab355c6f4930c9bcc4c41 Mon Sep 17 00:00:00 2001
From: Vincenzo Scamporlino <vincenzos@spotify.com>
Date: Wed, 15 Nov 2023 13:39:59 +0100
Subject: [PATCH] catalog: add PaginatedCatalogTable tests

Signed-off-by: Vincenzo Scamporlino <vincenzos@spotify.com>
---
 .../PaginatedCatalogTable.test.tsx            | 99 +++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 plugins/catalog/src/components/CatalogTable/PaginatedCatalogTable.test.tsx

diff --git a/plugins/catalog/src/components/CatalogTable/PaginatedCatalogTable.test.tsx b/plugins/catalog/src/components/CatalogTable/PaginatedCatalogTable.test.tsx
new file mode 100644
index 0000000000..dbf37c2d5c
--- /dev/null
+++ b/plugins/catalog/src/components/CatalogTable/PaginatedCatalogTable.test.tsx
@@ -0,0 +1,99 @@
+/*
+ * 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 React from 'react';
+import { fireEvent, render } from '@testing-library/react';
+import { PaginatedCatalogTable } from './PaginatedCatalogTable';
+import { screen } from '@testing-library/react';
+import { CatalogTableRow } from './types';
+
+describe('PaginatedCatalogTable', () => {
+  const data = new Array(100).fill(0).map((_, index) => {
+    const name = `component-${index}`;
+    return {
+      entity: {
+        apiVersion: '1',
+        kind: 'component',
+        metadata: {
+          name,
+        },
+      },
+      resolved: {
+        name,
+        entityRef: 'component:default/component',
+      },
+    } as CatalogTableRow;
+  });
+
+  const columns = [
+    {
+      title: 'Title',
+      field: 'entity.metadata.name',
+      searchable: true,
+    },
+  ];
+
+  it('should display all the items', () => {
+    render(<PaginatedCatalogTable data={data} columns={columns} />);
+
+    for (const item of data) {
+      expect(screen.queryByText(item.resolved.name)).toBeInTheDocument();
+    }
+  });
+
+  it('should display and invoke the next button', async () => {
+    const { rerender } = render(
+      <PaginatedCatalogTable data={data} columns={columns} next={undefined} />,
+    );
+
+    expect(
+      screen.queryAllByRole('button', { name: 'Next Page' })[0],
+    ).toBeDisabled();
+
+    const fn = jest.fn();
+
+    rerender(<PaginatedCatalogTable data={data} columns={columns} next={fn} />);
+
+    const nextButton = screen.queryAllByRole('button', {
+      name: 'Next Page',
+    })[0];
+    expect(nextButton).toBeEnabled();
+
+    fireEvent.click(nextButton);
+    expect(fn).toHaveBeenCalled();
+  });
+
+  it('should display and invoke the prev button', async () => {
+    const { rerender } = render(
+      <PaginatedCatalogTable data={data} columns={columns} prev={undefined} />,
+    );
+
+    expect(
+      screen.queryAllByRole('button', { name: 'Next Page' })[0],
+    ).toBeDisabled();
+
+    const fn = jest.fn();
+
+    rerender(<PaginatedCatalogTable data={data} columns={columns} prev={fn} />);
+
+    const prevButton = screen.queryAllByRole('button', {
+      name: 'Previous Page',
+    })[0];
+    expect(prevButton).toBeEnabled();
+
+    fireEvent.click(prevButton);
+    expect(fn).toHaveBeenCalled();
+  });
+});