Vue Test Utils Patterns

Quick Guide: mount() renders a component with its children; shallowMount() stubs them all and is the exception rather than the default. Query with get() when the element must exist and find() when it may not, using data-test attributes rather than classes. Every DOM-updating method returns a promise and is awaited; anything Vue's reactivity does not track — a request, a timer — needs flushPromises() as well. A component's environment arrives through the global mounting options.

Detailed Resources:

• examples/core.md — mounting, slots, get/find/findAll, trigger, setValue
• examples/async.md — flushPromises, nextTick, debounced input, async setup() under Suspense
• examples/composables.md — through a component, in isolation, and with injected dependencies
• examples/mocking.md — the four global seams: plugins, stubs, mocks, provide — and a custom mount that composes them
• reference.md — wrapper API tables, mounting options, emitted-event patterns, debug checklist

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