From 3bd1cbcf9dc4e13607dc612be05b14b10ae8272c Mon Sep 17 00:00:00 2001
From: Ward Oosterlijnck <wardoosterlijnck@gmail.com>
Date: Wed, 8 May 2019 19:40:39 +1000
Subject: [PATCH] Add useToggle tests

---
 src/__tests__/useToggle.test.tsx | 49 ++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/__tests__/useToggle.test.tsx

diff --git a/src/__tests__/useToggle.test.tsx b/src/__tests__/useToggle.test.tsx
new file mode 100644
index 00000000..bcf1d78f
--- /dev/null
+++ b/src/__tests__/useToggle.test.tsx
@@ -0,0 +1,49 @@
+import { act, cleanup, renderHook } from 'react-hooks-testing-library';
+import useToggle from '../useToggle';
+
+afterEach(cleanup);
+
+describe('useToggle', () => {
+  it('should be defined', () => {
+    expect(useToggle).toBeDefined();
+  });
+
+  const hook = renderHook(props => useToggle(props), { initialProps: false });
+
+  it('should return initial state on initial render', () => {
+    expect(hook.result.current[0]).toBe(false);
+  });
+
+  it('should update state with correct value', () => {
+    hook.rerender(true);
+    expect(hook.result.current[0]).toBe(true);
+
+    act(() => {
+      hook.result.current[1](false);
+    });
+
+    expect(hook.result.current[0]).toBe(false);
+  });
+
+  // it('should toggle state without a value parameter', () => {
+  //   act(() => {
+  //     hook.result.current[1]();
+  //   });
+
+  //   expect(hook.result.current[0]).toBe(true);
+  // });
+
+  // it('should ignore non-boolean parameters', () => {
+  //   act(() => {
+  //     hook.result.current[1]('string');
+  //   });
+
+  //   expect(hook.result.current[0]).toBe(true);
+
+  //   act(() => {
+  //     hook.result.current[1]({});
+  //   });
+
+  //   expect(hook.result.current[0]).toBe(false);
+  // });
+});