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, 154 insertions, 0 deletions

diff --git a/__tests__/state/models/navigation.test.ts b/__tests__/state/models/navigation.test.ts
new file mode 100644
index 000000000..bc49d2ee3
--- /dev/null
+++ b/__tests__/state/models/navigation.test.ts
@@ -0,0 +1,154 @@
+import {
+  NavigationModel,
+  NavigationTabModel,
+} from './../../../src/state/models/navigation'
+import * as flags from '../../../src/build-flags'
+
+describe('NavigationModel', () => {
+  let model: NavigationModel
+
+  beforeEach(() => {
+    model = new NavigationModel()
+    model.setTitle([0, 0], 'title')
+  })
+
+  afterAll(() => {
+    jest.clearAllMocks()
+  })
+
+  it('should clear() to the correct base state', async () => {
+    await model.clear()
+    expect(model.tabCount).toBe(2)
+    expect(model.tab).toEqual({
+      fixedTabPurpose: 0,
+      history: [
+        {
+          id: expect.anything(),
+          ts: expect.anything(),
+          url: '/',
+        },
+      ],
+      id: expect.anything(),
+      index: 0,
+      isNewTab: false,
+    })
+  })
+
+  it('should call the navigate method', async () => {
+    const navigateSpy = jest.spyOn(model.tab, 'navigate')
+    await model.navigate('testurl', 'teststring')
+    expect(navigateSpy).toHaveBeenCalledWith('testurl', 'teststring')
+  })
+
+  it('should call the refresh method', async () => {
+    const refreshSpy = jest.spyOn(model.tab, 'refresh')
+    await model.refresh()
+    expect(refreshSpy).toHaveBeenCalled()
+  })
+
+  it('should call the isCurrentScreen method', () => {
+    expect(model.isCurrentScreen(11, 0)).toEqual(false)
+  })
+
+  it('should call the tab getter', () => {
+    expect(model.tab).toEqual({
+      fixedTabPurpose: 0,
+      history: [
+        {
+          id: expect.anything(),
+          ts: expect.anything(),
+          url: '/',
+        },
+      ],
+      id: expect.anything(),
+      index: 0,
+      isNewTab: false,
+    })
+  })
+
+  it('should call the tabCount getter', () => {
+    expect(model.tabCount).toBe(2)
+  })
+
+  describe('tabs not enabled', () => {
+    jest.mock('../../../src/build-flags', () => ({
+      TABS_ENABLED: false,
+    }))
+
+    afterAll(() => {
+      jest.clearAllMocks()
+    })
+
+    it('should not create new tabs', () => {
+      // @ts-expect-error
+      flags.TABS_ENABLED = false
+      model.newTab('testurl')
+      expect(model.tab.isNewTab).toBe(false)
+      expect(model.tabIndex).toBe(0)
+    })
+
+    it('should not change the active tab', () => {
+      // @ts-expect-error
+      flags.TABS_ENABLED = false
+      model.setActiveTab(2)
+      expect(model.tabIndex).toBe(0)
+    })
+
+    it('should note close tabs', () => {
+      // @ts-expect-error
+      flags.TABS_ENABLED = false
+      model.closeTab(0)
+      expect(model.tabCount).toBe(2)
+    })
+  })
+
+  describe('tabs enabled', () => {
+    jest.mock('../../../src/build-flags', () => ({
+      TABS_ENABLED: true,
+    }))
+
+    afterAll(() => {
+      jest.clearAllMocks()
+    })
+
+    it('should create new tabs', () => {
+      // @ts-expect-error
+      flags.TABS_ENABLED = true
+
+      model.newTab('testurl', 'title')
+      expect(model.tab.isNewTab).toBe(true)
+      expect(model.tabIndex).toBe(2)
+    })
+
+    it('should change the current tab', () => {
+      // @ts-expect-error
+      flags.TABS_ENABLED = true
+
+      model.setActiveTab(0)
+      expect(model.tabIndex).toBe(0)
+    })
+
+    it('should close tabs', () => {
+      // @ts-expect-error
+      flags.TABS_ENABLED = true
+
+      model.closeTab(0)
+      expect(model.tabs).toEqual([
+        {
+          fixedTabPurpose: 1,
+          history: [
+            {
+              id: expect.anything(),
+              ts: expect.anything(),
+              url: '/notifications',
+            },
+          ],
+          id: expect.anything(),
+          index: 0,
+          isNewTab: false,
+        },
+      ])
+      expect(model.tabIndex).toBe(0)
+    })
+  })
+})