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Testing Vue.js Components with Jest

When Snapshot Testing Doesn’t Help

Explore the limitations of snapshot testing in Vue.js by understanding when it fails to capture non-rendering state changes. This lesson helps you identify scenarios where snapshot testing is ineffective and prepares you to choose appropriate testing methods for component behavior that does not affect rendering.

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Have you noticed that I didn’t mention anything about the third test? To remember it, let’s check it again:

Node.js
it("should emit a contact-click with its id when the component is clicked", () => {
  const cmp = createContactBox(0, "John", "Doe", false);
  cmp.trigger("click");
  const payload = cmp.emitted("contact-click")[0][0];
  expect(payload).toBe(0);
});

In this case, ...