1 files changed, 180 insertions, 0 deletions
diff --git a/test/background/usecases/StartFindUseCase.test.ts b/test/background/usecases/StartFindUseCase.test.ts
new file mode 100644
index 0000000..22ff9a5
--- /dev/null
+++ b/test/background/usecases/StartFindUseCase.test.ts
@@ -0,0 +1,180 @@
+import * as sinon from "sinon";
+import MockFindClient from "../mock/MockFindClient";
+import MockFindRepository from "../mock/MockFindRepository";
+import MockConsoleClient from "../mock/MockConsoleClient";
+import MockFramePresenter from "../mock/MockFramePresenter";
+import StartFindUseCase from "../../../src/background/usecases/StartFindUseCase";
+
+describe("StartFindUseCase", () => {
+  const currentTabId = 100;
+  const frameIds = [0, 100, 101];
+  const keyword = "hello";
+
+  const findClient = new MockFindClient();
+  const findRepository = new MockFindRepository();
+  const consoleClient = new MockConsoleClient();
+  const framePresenter = new MockFramePresenter();
+  const sut = new StartFindUseCase(
+    findClient,
+    findRepository,
+    consoleClient,
+    framePresenter
+  );
+
+  beforeEach(async () => {
+    sinon.restore();
+
+    sinon
+      .stub(framePresenter, "getAllFrameIds")
+      .returns(Promise.resolve(frameIds));
+  });
+
+  describe("startFind", () => {
+    it("starts a find with a keyword", async () => {
+      const mockFindClient = sinon.mock(findClient);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 0);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 100);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 101);
+      mockFindClient
+        .expects("findNext")
+        .withArgs(currentTabId, 0, keyword)
+        .returns(Promise.resolve(false));
+      mockFindClient
+        .expects("findNext")
+        .withArgs(currentTabId, 100, keyword)
+        .returns(Promise.resolve(true));
+      const mockFindRepository = sinon.mock(findRepository);
+      mockFindRepository
+        .expects("setLocalState")
+        .withArgs(currentTabId, { frameIds, framePos: 1, keyword });
+      const mockConsoleClient = sinon.mock(consoleClient);
+      mockConsoleClient
+        .expects("showInfo")
+        .withArgs(currentTabId, "Pattern found: " + keyword);
+
+      await sut.startFind(currentTabId, keyword);
+
+      mockFindClient.verify();
+      mockFindRepository.verify();
+      mockConsoleClient.verify();
+    });
+
+    it("starts a find with last local state", async () => {
+      const mockFindClient = sinon.mock(findClient);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 0);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 100);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 101);
+      mockFindClient
+        .expects("findNext")
+        .withArgs(currentTabId, 0, keyword)
+        .returns(Promise.resolve(false));
+      mockFindClient
+        .expects("findNext")
+        .withArgs(currentTabId, 100, keyword)
+        .returns(Promise.resolve(true));
+      const mockFindRepository = sinon.mock(findRepository);
+      mockFindRepository
+        .expects("getLocalState")
+        .withArgs(currentTabId)
+        .returns(Promise.resolve({ keyword, frameIds, framePos: 0 }));
+      mockFindRepository
+        .expects("setLocalState")
+        .withArgs(currentTabId, { frameIds, framePos: 1, keyword });
+      const mockConsoleClient = sinon.mock(consoleClient);
+      mockConsoleClient
+        .expects("showInfo")
+        .withArgs(currentTabId, "Pattern found: " + keyword);
+
+      await sut.startFind(currentTabId, undefined);
+
+      mockFindClient.verify();
+      mockFindRepository.verify();
+      mockConsoleClient.verify();
+    });
+
+    it("starts a find with last global state", async () => {
+      const mockFindClient = sinon.mock(findClient);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 0);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 100);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 101);
+      mockFindClient
+        .expects("findNext")
+        .withArgs(currentTabId, 0, keyword)
+        .returns(Promise.resolve(false));
+      mockFindClient
+        .expects("findNext")
+        .withArgs(currentTabId, 100, keyword)
+        .returns(Promise.resolve(true));
+      const mockFindRepository = sinon.mock(findRepository);
+      mockFindRepository
+        .expects("getLocalState")
+        .withArgs(currentTabId)
+        .returns(Promise.resolve(undefined));
+      mockFindRepository
+        .expects("getGlobalKeyword")
+        .returns(Promise.resolve(keyword));
+      mockFindRepository
+        .expects("setLocalState")
+        .withArgs(currentTabId, { frameIds, framePos: 1, keyword });
+      const mockConsoleClient = sinon.mock(consoleClient);
+      mockConsoleClient
+        .expects("showInfo")
+        .withArgs(currentTabId, "Pattern found: " + keyword);
+
+      await sut.startFind(currentTabId, undefined);
+
+      mockFindClient.verify();
+      mockFindRepository.verify();
+      mockConsoleClient.verify();
+    });
+
+    it("shows an error when pattern not found", async () => {
+      const mockFindClient = sinon.mock(findClient);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 0);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 100);
+      mockFindClient.expects("clearSelection").withArgs(currentTabId, 101);
+      mockFindClient
+        .expects("findNext")
+        .withArgs(currentTabId, 0, keyword)
+        .returns(Promise.resolve(false));
+      mockFindClient
+        .expects("findNext")
+        .withArgs(currentTabId, 100, keyword)
+        .returns(Promise.resolve(false));
+      mockFindClient
+        .expects("findNext")
+        .withArgs(currentTabId, 101, keyword)
+        .returns(Promise.resolve(false));
+      const mockFindRepository = sinon.mock(findRepository);
+      mockFindRepository.expects("setLocalState").never();
+      const mockConsoleClient = sinon.mock(consoleClient);
+      mockConsoleClient
+        .expects("showError")
+        .withArgs(currentTabId, "Pattern not found: " + keyword);
+
+      await sut.startFind(currentTabId, keyword);
+
+      mockFindClient.verify();
+      mockFindRepository.verify();
+      mockConsoleClient.verify();
+    });
+
+    it("shows an error when no last keywords", async () => {
+      sinon
+        .stub(findRepository, "getLocalState")
+        .returns(Promise.resolve(undefined));
+      sinon
+        .stub(findRepository, "getGlobalKeyword")
+        .returns(Promise.resolve(undefined));
+
+      const mockConsoleClient = sinon.mock(consoleClient);
+      mockConsoleClient
+        .expects("showError")
+        .withArgs(currentTabId, "No previous search keywords");
+
+      await sut.startFind(currentTabId, undefined);
+
+      mockConsoleClient.verify();
+    });
+  });
+});