test: more tests

src/screens/TypeScreen.test.tsx

@@ -0,0 +1,63 @@
+import React from 'react'
+import { mocked } from 'ts-jest/utils'
+import { fireEvent } from '@testing-library/react-native'
+
+import { getMockedNavigation, renderWithTheme } from '../../test/utils'
+import { useSecrets } from '../context/SecretsContext'
+
+import { TypeScreen } from './TypeScreen'
+
+const useSecretsMocked = mocked(useSecrets)
+
+describe('TypeScreen', () => {
+  afterEach(() => {
+    jest.clearAllMocks()
+  })
+
+  const setup = () => {
+    const navigation = getMockedNavigation<'Type'>()
+    return renderWithTheme(<TypeScreen navigation={navigation} />)
+  }
+
+  it('should match snapshot', () => {
+    const view = setup()
+
+    expect(view).toMatchSnapshot()
+  })
+
+  it('does not allow adding secret on button click when input is empty', () => {
+    const addStub = jest.fn()
+    useSecretsMocked.mockReturnValue({
+      add: addStub,
+    } as unknown as ReturnType<typeof useSecrets>)
+
+    const { getByA11yLabel } = setup()
+
+    fireEvent.press(getByA11yLabel('Add secret'))
+
+    expect(addStub).toHaveBeenCalledTimes(0)
+  })
+
+  it('calls add secret on button click', () => {
+    const addStub = jest.fn()
+    useSecretsMocked.mockReturnValue({
+      add: addStub,
+    } as unknown as ReturnType<typeof useSecrets>)
+
+    const { getByA11yLabel } = setup()
+
+    fireEvent.changeText(getByA11yLabel('Issuer'), 'Issuer A')
+    fireEvent.changeText(getByA11yLabel('Secret'), 'mysecret')
+    fireEvent.changeText(getByA11yLabel('Account'), 'My Account')
+
+    fireEvent.press(getByA11yLabel('Add secret'))
+
+    expect(addStub).toHaveBeenCalledTimes(1)
+    expect(addStub).toHaveBeenCalledWith({
+      account: 'My Account',
+      issuer: 'Issuer A',
+      secret: 'mysecret',
+      uid: '11-22-33-44',
+    })
+  })
+})