improve error handling in the ui

scm-ui-components/packages/ui-components/src/errors.test.js

@@ -0,0 +1,35 @@
+// @flow
+
+import { BackendError, UnauthorizedError, createBackendError, NotFoundError } from "./errors";
+
+describe("test createBackendError", () => {
+
+  const earthNotFoundError = {
+    transactionId: "42t",
+    errorCode: "42e",
+    message: "earth not found",
+    context: [{
+      type: "planet",
+      id: "earth"
+    }]
+  };
+
+  it("should return a default backend error", () => {
+    const err = createBackendError(earthNotFoundError, 500);
+    expect(err).toBeInstanceOf(BackendError);
+    expect(err.name).toBe("BackendError");
+  });
+
+  it("should return an unauthorized error for status code 403", () => {
+    const err = createBackendError(earthNotFoundError, 403);
+    expect(err).toBeInstanceOf(UnauthorizedError);
+    expect(err.name).toBe("UnauthorizedError");
+  });
+
+  it("should return an not found error for status code 404", () => {
+    const err = createBackendError(earthNotFoundError, 404);
+    expect(err).toBeInstanceOf(NotFoundError);
+    expect(err.name).toBe("NotFoundError");
+  });
+
+});