refactor: component manager usecases (#2354)

packages/snjs/lib/Services/ComponentManager/UseCase/GetDefaultEditorIdentifier.spec.ts

@@ -0,0 +1,60 @@
+import { ItemManagerInterface, PreferenceServiceInterface } from '@standardnotes/services'
+import { GetDefaultEditorIdentifier } from './GetDefaultEditorIdentifier'
+import { ComponentArea, FeatureIdentifier } from '@standardnotes/features'
+import { SNComponent, SNTag } from '@standardnotes/models'
+
+describe('getDefaultEditorIdentifier', () => {
+  let usecase: GetDefaultEditorIdentifier
+  let preferences: PreferenceServiceInterface
+  let items: ItemManagerInterface
+
+  beforeEach(() => {
+    preferences = {} as jest.Mocked<PreferenceServiceInterface>
+    preferences.getValue = jest.fn()
+
+    items = {} as jest.Mocked<ItemManagerInterface>
+    items.getDisplayableComponents = jest.fn().mockReturnValue([])
+
+    usecase = new GetDefaultEditorIdentifier(preferences, items)
+  })
+
+  it('should return plain editor if no default tag editor or component editor', () => {
+    const editorIdentifier = usecase.execute().getValue()
+
+    expect(editorIdentifier).toEqual(FeatureIdentifier.PlainEditor)
+  })
+
+  it('should return pref key based value if available', () => {
+    preferences.getValue = jest.fn().mockReturnValue(FeatureIdentifier.SuperEditor)
+
+    const editorIdentifier = usecase.execute().getValue()
+
+    expect(editorIdentifier).toEqual(FeatureIdentifier.SuperEditor)
+  })
+
+  it('should return default tag identifier if tag supplied', () => {
+    const tag = {
+      preferences: {
+        editorIdentifier: FeatureIdentifier.SuperEditor,
+      },
+    } as jest.Mocked<SNTag>
+
+    const editorIdentifier = usecase.execute(tag).getValue()
+
+    expect(editorIdentifier).toEqual(FeatureIdentifier.SuperEditor)
+  })
+
+  it('should return legacy editor identifier', () => {
+    const editor = {
+      legacyIsDefaultEditor: jest.fn().mockReturnValue(true),
+      identifier: FeatureIdentifier.MarkdownProEditor,
+      area: ComponentArea.Editor,
+    } as unknown as jest.Mocked<SNComponent>
+
+    items.getDisplayableComponents = jest.fn().mockReturnValue([editor])
+
+    const editorIdentifier = usecase.execute().getValue()
+
+    expect(editorIdentifier).toEqual(FeatureIdentifier.MarkdownProEditor)
+  })
+})