1 files changed, 90 insertions, 0 deletions
diff --git a/test/content/usecases/AddonEnabledUseCase.test.ts b/test/content/usecases/AddonEnabledUseCase.test.ts
new file mode 100644
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--- /dev/null
+++ b/test/content/usecases/AddonEnabledUseCase.test.ts
@@ -0,0 +1,90 @@
+import AddonEnabledRepository from '../../../src/content/repositories/AddonEnabledRepository';
+import AddonEnabledUseCase from '../../../src/content/usecases/AddonEnabledUseCase';
+import AddonIndicatorClient from '../../../src/content/client/AddonIndicatorClient';
+import { expect } from 'chai';
+
+class MockAddonEnabledRepository implements AddonEnabledRepository {
+  private enabled: boolean;
+
+  constructor(init: boolean) {
+    this.enabled = init;
+  }
+
+  set(on: boolean): void {
+    this.enabled = on;
+  }
+
+  get(): boolean {
+    return this.enabled;
+  }
+}
+
+class MockAddonIndicatorClient implements AddonIndicatorClient {
+  public enabled: boolean;
+
+  constructor(init: boolean) {
+    this.enabled = init;
+  }
+
+  async setEnabled(enabled: boolean): Promise<void> {
+    this.enabled = enabled;
+    return
+  }
+}
+
+describe('AddonEnabledUseCase', () => {
+  let repository: MockAddonEnabledRepository;
+  let indicator: MockAddonIndicatorClient;
+  let sut: AddonEnabledUseCase;
+
+  beforeEach(() => {
+    repository = new MockAddonEnabledRepository(true);
+    indicator = new MockAddonIndicatorClient(false);
+    sut = new AddonEnabledUseCase({ repository, indicator });
+  });
+
+  describe('#enable', () => {
+    it('store and indicate as enabled', async() => {
+      await sut.enable();
+
+      expect(repository.get()).to.be.true;
+      expect(indicator.enabled).to.be.true;
+    });
+  });
+
+  describe('#disable', async() => {
+    it('store and indicate as disabled', async() => {
+      await sut.disable();
+
+      expect(repository.get()).to.be.false;
+      expect(indicator.enabled).to.be.false;
+    });
+  });
+
+  describe('#toggle', () => {
+    it('toggled enabled and disabled', async() => {
+      repository.set(true);
+      await sut.toggle();
+
+      expect(repository.get()).to.be.false;
+      expect(indicator.enabled).to.be.false;
+
+      repository.set(false);
+
+      await sut.toggle();
+
+      expect(repository.get()).to.be.true;
+      expect(indicator.enabled).to.be.true;
+    });
+  });
+
+  describe('#getEnabled', () => {
+    it('returns current addon enabled', () => {
+      repository.set(true);
+      expect(sut.getEnabled()).to.be.true;
+
+      repository.set(false);
+      expect(sut.getEnabled()).to.be.false;
+    });
+  });
+});