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Oct 5, 2020
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docs: update vue-router documentation #1701

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11 changes: 8 additions & 3 deletions docs/guides/using-with-vue-router.md
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Original file line number Diff line number Diff line change
Expand Up @@ -41,17 +41,20 @@ shallowMount(Component, {
### Installing Vue Router with localVue

```js
import { shallowMount, createLocalVue } from '@vue/test-utils'
import { mount, createLocalVue } from '@vue/test-utils'
import VueRouter from 'vue-router'

const localVue = createLocalVue()
localVue.use(VueRouter)

shallowMount(Component, {
localVue
mount(Component, {
localVue,
router
})
```

The router instance is available to all children components, this is useful for integration level testing.

### Mocking `$route` and `$router`

Sometimes you want to test that a component does something with parameters from the `$route` and `$router` objects. To do that, you can pass custom mocks to the Vue instance.
Expand All @@ -72,6 +75,8 @@ const wrapper = shallowMount(Component, {
wrapper.vm.$route.path // /some/path
```

> **Note:** the mocked `$route` and `$router` values are not available to children components, either stub this components or use the `localVue` method.

### Common gotchas

Installing Vue Router adds `$route` and `$router` as read-only properties on Vue prototype.
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