Add test spec for helpers/strategies/AxiosStrategy.js

helpers/strategies/__tests__/AxiosStrategy-NoProxy.spec.js

@@ -0,0 +1,59 @@
+import axios from "axios"
+import axiosStrategy from "../AxiosStrategy"
+
+jest.mock("axios")
+axios.CancelToken.source.mockReturnValue({ token: "test" })
+axios.mockResolvedValue({})
+
+describe("axiosStrategy", () => {
+  describe("No-Proxy Requests", () => {
+    const store = {
+      state: {
+        postwoman: {
+          settings: {
+            PROXY_ENABLED: false,
+            PROXY_URL: "test",
+          },
+        },
+      },
+    }
+
+    test("sends request to the actual sender if proxy disabled", async () => {
+      await axiosStrategy({ url: "test" }, store)
+
+      expect(axios).toBeCalledWith(
+        expect.objectContaining({
+          url: "test",
+        })
+      )
+    })
+
+    test("asks axios to return data as arraybuffer", async () => {
+      await axiosStrategy({ url: "test" }, store)
+
+      expect(axios).toBeCalledWith(
+        expect.objectContaining({
+          responseType: "arraybuffer",
+        })
+      )
+    })
+
+    test("resolves successful requests", async () => {
+      await expect(axiosStrategy({}, store)).resolves.toBeDefined()
+    })
+
+    test("rejects cancel errors with text 'cancellation'", async () => {
+      axios.isCancel.mockReturnValueOnce(true)
+      axios.mockRejectedValue("err")
+
+      expect(axiosStrategy({}, store)).rejects.toBe("cancellation")
+    })
+
+    test("rejects non-cancellation errors as-is", async () => {
+      axios.isCancel.mockReturnValueOnce(false)
+      axios.mockRejectedValue("err")
+
+      expect(axiosStrategy({}, store)).rejects.toBe("err")
+    })
+  })
+})