Unit Testing (#35)

* add testing lib

* remove coverage folder from git

* finished basic test setup

* fix tests typescript and import paths

* add first snapshot

* testing utils

* rename test files; update script flags; ++tests

* testing utils functions

* testing downloadAndResize wip

* remove download test

* specify unwanted coverage paths;
remove update snapshots flag

* fix strings tests

* testing downloadAndResize method

* increasing testing

* fixing snapshots wip

* fixed shell mobile snapshot

* adding snapshots for the screens

* fix onboard snapshot

* fix typescript issues

* fix TabsSelector snapshot

* Account for testing device's locale in ago() tests

* Remove platform detection on regex

* mocking store state wip

* mocking store state

* increasing test coverage

* increasing test coverage

* increasing test coverage on src/screens

* src/screens (except for profile) above 80% cov

* testing profile screen wip

* increase coverage on Menu and TabsSelector

* mocking profile ui state wip

* mocking profile ui state wip

* fixing mobileshell tests wip

* snapshots using testing-library

* fixing profile tests wip

* removing mobile shell tests

* src/view/com tests wip

* remove unnecessary patch-package

* fixed profile test error

* clear mocks after every test

* fix base mocked store values (getters)

* fix base mocked store values
(hasLoaded, nonReplyFeed)

* profile screen above 80% coverage

* testing custom hooks

* improving composer coverage

* fix tests after merge

* finishing composer coverage

* improving src/com/discover coverage

* improve src/view/com/login coverage
fix SuggestedFollows tests
adding some comments

* fix SuggestedFollows tests

* improve src/view/com/profile coverage
extra minor fixes

* improve src/view/com/notifications coverage

* update coverage ignore patterns

* rename errorMessageTryAgainButton
increase SuggestedFollows converage

* improve src/view/com/posts coverage

* improve src/view/com/onboard coverage

* update snapshot

* improve src/view/com/post coverage

* improve src/view/com/post-thread coverage
rename ErrorMessage tests
test Debug and Log components

* init testing state

* testing root-store

* updating comments

* small fixes

* removed extra console logs

* improve src/state/models coverage
refactor rootStore
rename some spies

* adding cleanup method after tests

* improve src/state/models coverage

* improve src/state/models coverage

* improve src/state/models coverage

* improve src/state/models coverage

* test setInterval in setupState

* Clean up tests and update Home screen state management

* Remove some tests we dont need

* Remove snapshot tests

* Remove any tests that dont demonstrate clear value

* Cleanup

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/__tests__/view/lib/useOnMainScroll.test.tsx b/__tests__/view/lib/useOnMainScroll.test.tsx
new file mode 100644
index 000000000..9a31e79e8
--- /dev/null
+++ b/__tests__/view/lib/useOnMainScroll.test.tsx
@@ -0,0 +1,49 @@
+import React from 'react'
+import {fireEvent, render} from '../../../jest/test-utils'
+import {Home} from '../../../src/view/screens/Home'
+import {mockedRootStore, mockedShellStore} from '../../../__mocks__/state-mock'
+
+describe('useOnMainScroll', () => {
+  const mockedProps = {
+    navIdx: [0, 0] as [number, number],
+    params: {},
+    visible: true,
+  }
+
+  it('toggles minimalShellMode to true', () => {
+    jest.useFakeTimers()
+    const {getByTestId} = render(<Home {...mockedProps} />)
+
+    fireEvent.scroll(getByTestId('homeFeed'), {
+      nativeEvent: {
+        contentOffset: {y: 20},
+        contentSize: {height: 100},
+        layoutMeasurement: {height: 50},
+      },
+    })
+
+    expect(mockedRootStore.shell.setMinimalShellMode).toHaveBeenCalledWith(true)
+  })
+
+  it('toggles minimalShellMode to false', () => {
+    jest.useFakeTimers()
+    const {getByTestId} = render(<Home {...mockedProps} />, {
+      ...mockedRootStore,
+      shell: {
+        ...mockedShellStore,
+        minimalShellMode: true,
+      },
+    })
+
+    fireEvent.scroll(getByTestId('homeFeed'), {
+      nativeEvent: {
+        contentOffset: {y: 0},
+        contentSize: {height: 100},
+        layoutMeasurement: {height: 50},
+      },
+    })
+    expect(mockedRootStore.shell.setMinimalShellMode).toHaveBeenCalledWith(
+      false,
+    )
+  })
+})