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vue-formulario/test/unit/FormularioInput.test.js
2020-10-19 13:45:11 +03:00

294 lines
11 KiB
JavaScript

import Vue from 'vue'
import flushPromises from 'flush-promises'
import { mount } from '@vue/test-utils'
import Formulario from '@/Formulario.ts'
import FormularioForm from '@/FormularioForm.vue'
import FormularioInput from '@/FormularioInput.vue'
const globalRule = jest.fn(() => { return false })
function validationMessages (instance) {
instance.extend({
validationMessages: {
required: () => 'required',
'in': () => 'in',
min: () => 'min',
globalRule: () => 'globalRule',
}
})
}
Vue.use(Formulario, {
plugins: [validationMessages],
rules: { globalRule }
})
describe('FormularioInput', () => {
it('allows custom field-rule level validation strings', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
name: 'test',
validation: 'required|in:abcdef',
validationMessages: {in: 'the value was different than expected'},
errorBehavior: 'live',
value: 'other value'
},
scopedSlots: {
default: `<div><span v-for="error in props.context.allErrors">{{ error.message }}</span></div>`
},
})
await flushPromises()
expect(wrapper.find('span').text()).toBe('the value was different than expected')
})
it('no validation on created when errorBehavior is not live', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
name: 'test',
validation: 'required|in:abcdef',
validationMessages: {in: 'the value was different than expected'},
value: 'other value'
},
scopedSlots: {
default: `<div><span v-for="error in props.context.allErrors">{{ error.message }}</span></div>`
}
})
await flushPromises()
expect(wrapper.find('span').exists()).toBe(false)
})
it('allows custom field-rule level validation functions', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
name: 'test',
validation: 'required|in:abcdef',
validationMessages: { in: ({ value }) => `The string ${value} is not correct.` },
errorBehavior: 'live',
value: 'other value'
},
scopedSlots: {
default: `<div><span v-for="error in props.context.allErrors">{{ error.message }}</span></div>`
}
})
await flushPromises()
expect(wrapper.find('span').text()).toBe('The string other value is not correct.')
})
it('uses custom async validation rules on defined on the field', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
name: 'test',
validation: 'required|foobar',
validationMessages: {
foobar: 'failed the foobar check'
},
validationRules: {
foobar: async ({ value }) => value === 'foo'
},
errorBehavior: 'live',
value: 'bar'
},
scopedSlots: {
default: `<div><span v-for="error in props.context.allErrors">{{ error.message }}</span></div>`
}
})
await flushPromises()
expect(wrapper.find('span').text()).toBe('failed the foobar check')
})
it('uses custom sync validation rules on defined on the field', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
name: 'test',
validation: 'required|foobar',
validationMessages: {
foobar: 'failed the foobar check'
},
validationRules: {
foobar: ({ value }) => value === 'foo'
},
errorBehavior: 'live',
value: 'bar'
},
scopedSlots: {
default: `<div><span v-for="error in props.context.allErrors">{{ error.message }}</span></div>`
}
})
await flushPromises()
expect(wrapper.find('span').text()).toBe('failed the foobar check')
})
it('uses global custom validation rules', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
name: 'test',
validation: 'required|globalRule',
errorBehavior: 'live',
value: 'bar'
}
})
await flushPromises()
expect(globalRule.mock.calls.length).toBe(1)
})
it('emits correct validation event', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
validation: 'required',
errorBehavior: 'live',
value: '',
name: 'testinput',
}
})
await flushPromises()
const errorObject = wrapper.emitted('validation')[0][0]
expect(errorObject).toEqual({
name: 'testinput',
errors: [
{
message: expect.any(String),
rule: expect.stringContaining('required'),
context: expect.any(Object)
}
],
hasErrors: true
})
})
it('emits a error-visibility event on blur', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
validation: 'required',
errorBehavior: 'blur',
value: '',
name: 'testinput',
},
scopedSlots: {
default: `<input type="text" v-model="props.context.model" @blur="props.context.blurHandler">`
}
})
await flushPromises()
expect(wrapper.emitted('error-visibility')[0][0]).toBe(false)
wrapper.find('input[type="text"]').trigger('blur')
await flushPromises()
expect(wrapper.emitted('error-visibility')[1][0]).toBe(true)
})
it('emits error-visibility event immediately when live', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
validation: 'required',
errorBehavior: 'live',
value: '',
name: 'testinput',
}
})
await flushPromises()
expect(wrapper.emitted('error-visibility').length).toBe(1)
})
it('Does not emit an error-visibility event if visibility did not change', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
validation: 'in:xyz',
errorBehavior: 'live',
value: 'bar',
name: 'testinput',
},
scopedSlots: {
default: `<input type="text" v-model="props.context.model">`
}
})
await flushPromises()
expect(wrapper.emitted('error-visibility').length).toBe(1)
wrapper.find('input[type="text"]').setValue('bar')
await flushPromises()
expect(wrapper.emitted('error-visibility').length).toBe(1)
})
it('can bail on validation when encountering the bail rule', async () => {
const wrapper = mount(FormularioInput, {
propsData: { name: 'test', validation: 'bail|required|in:xyz', errorBehavior: 'live' }
})
await flushPromises();
expect(wrapper.vm.context.visibleValidationErrors.length).toBe(1);
})
it('can show multiple validation errors if they occur before the bail rule', async () => {
const wrapper = mount(FormularioInput, {
propsData: { name: 'test', validation: 'required|in:xyz|bail', errorBehavior: 'live' }
})
await flushPromises();
expect(wrapper.vm.context.visibleValidationErrors.length).toBe(2);
})
it('can avoid bail behavior by using modifier', async () => {
const wrapper = mount(FormularioInput, {
propsData: { name: 'test', validation: '^required|in:xyz|min:10,length', errorBehavior: 'live', value: '123' }
})
await flushPromises();
expect(wrapper.vm.context.visibleValidationErrors.length).toBe(2);
})
it('prevents later error messages when modified rule fails', async () => {
const wrapper = mount(FormularioInput, {
propsData: { name: 'test', validation: '^required|in:xyz|min:10,length', errorBehavior: 'live' }
})
await flushPromises();
expect(wrapper.vm.context.visibleValidationErrors.length).toBe(1);
})
it('can bail in the middle of the rule set with a modifier', async () => {
const wrapper = mount(FormularioInput, {
propsData: { name: 'test', validation: 'required|^in:xyz|min:10,length', errorBehavior: 'live' }
})
await flushPromises();
expect(wrapper.vm.context.visibleValidationErrors.length).toBe(2);
})
it('does not show errors on blur when set error-behavior is submit', async () => {
const wrapper = mount(FormularioInput, {
propsData: {
validation: 'required',
errorBehavior: 'submit',
name: 'test',
},
scopedSlots: {
default: `
<div>
<input v-model="props.context.model" @blur="props.context.blurHandler">
<span v-if="props.context.formShouldShowErrors" v-for="error in props.context.allErrors">{{ error.message }}</span>
</div>
`
}
})
expect(wrapper.find('span').exists()).toBe(false)
wrapper.find('input').trigger('input')
wrapper.find('input').trigger('blur')
await flushPromises()
expect(wrapper.find('span').exists()).toBe(false)
})
it('displays errors when error-behavior is submit and form is submitted', async () => {
const wrapper = mount(FormularioForm, {
propsData: { name: 'test' },
slots: {
default: `
<FormularioInput v-slot="inputProps" validation="required" name="testinput" error-behavior="submit">
<span v-for="error in inputProps.context.allErrors">{{ error.message }}</span>
</FormularioInput>
`
}
})
await flushPromises()
expect(wrapper.find('span').exists()).toBe(false)
wrapper.trigger('submit')
await flushPromises()
expect(wrapper.find('span').exists()).toBe(true)
})
})