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)
+    })
+  })
+})