From 9979eddbcdfabad4ebc8c2063145a078ac49adbb Mon Sep 17 00:00:00 2001
From: Jake McDermott <yo@jakemcdermott.me>
Date: Sun, 18 Nov 2018 21:56:08 -0500
Subject: [PATCH] add basic component test for pagination

---
 __tests__/components/Pagination.test.jsx | 72 ++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 __tests__/components/Pagination.test.jsx

diff --git a/__tests__/components/Pagination.test.jsx b/__tests__/components/Pagination.test.jsx
new file mode 100644
index 0000000000..7158c04471
--- /dev/null
+++ b/__tests__/components/Pagination.test.jsx
@@ -0,0 +1,72 @@
+import React from 'react';
+import { mount } from 'enzyme';
+import Pagination from '../../src/components/Pagination';
+
+describe('<Pagination />', () => {
+  const noop = () => {};
+
+  let pagination;
+
+  afterEach(() => {
+    if (toolbar) {
+      pagination.unmount();
+      pagination = null;
+    }
+  });
+
+  test('it triggers the expected callbacks on next and last', () => {
+    const next = 'button[aria-label="next"]';
+    const last = 'button[aria-label="last"]';
+
+    const onSetPage = jest.fn();
+
+    pagination = mount(
+      <Pagination
+        count={21}
+        page={1}
+        pageCount={5}
+        page_size={5}
+        pageSizeOptions={[5, 10, 25, 50]}
+        onSetPage={onSetPage}
+      />
+    );
+
+    pagination.find(next).simulate('click');
+
+    expect(onSetPage).toHaveBeenCalledTimes(1);
+    expect(onSetPage).toBeCalledWith(2, 5);
+
+    pagination.find(last).simulate('click');
+
+    expect(onSetPage).toHaveBeenCalledTimes(2);
+    expect(onSetPage).toBeCalledWith(5, 5);
+  });
+
+  test('it triggers the expected callback on previous and first', () => {
+    const previous = 'button[aria-label="previous"]';
+    const first = 'button[aria-label="first"]';
+
+    const onSetPage = jest.fn();
+
+    pagination = mount(
+      <Pagination
+        count={21}
+        page={5}
+        pageCount={5}
+        page_size={5}
+        pageSizeOptions={[5, 10, 25, 50]}
+        onSetPage={onSetPage}
+      />
+    );
+
+    pagination.find(previous).simulate('click');
+
+    expect(onSetPage).toHaveBeenCalledTimes(1);
+    expect(onSetPage).toBeCalledWith(4, 5);
+
+    pagination.find(first).simulate('click');
+
+    expect(onSetPage).toHaveBeenCalledTimes(2);
+    expect(onSetPage).toBeCalledWith(1, 5);
+  });
+});