src/__tests__/helpers/reducer.arrayInsert.js
import actions from '../../actions'
const { arrayInsert } = actions
const describeArrayInsert = (reducer, expect, { fromJS }) => () => {
it('should work with empty state', () => {
const state = reducer(
undefined,
arrayInsert('foo', 'myField', 0, 'myValue')
)
expect(state).toEqualMap({
foo: {
values: {
myField: ['myValue']
}
}
})
})
it('should insert at beginning', () => {
const state = reducer(
fromJS({
foo: {
values: {
myField: {
subField: ['a', 'b', 'c']
}
},
fields: {
myField: {
subField: [
{ touched: true },
{ touched: true, visited: true },
{ touched: true }
]
}
}
}
}),
arrayInsert('foo', 'myField.subField', 0, 'newValue')
)
expect(state).toEqualMap({
foo: {
values: {
myField: {
subField: ['newValue', 'a', 'b', 'c']
}
},
fields: {
myField: {
subField: [
{},
{ touched: true },
{ touched: true, visited: true },
{ touched: true }
]
}
}
}
})
})
it('should insert at end', () => {
const state = reducer(
fromJS({
foo: {
values: {
myField: {
subField: ['a', 'b', 'c']
}
},
fields: {
myField: {
subField: [
{ touched: true },
{ touched: true, visited: true },
{ touched: true }
]
}
}
}
}),
arrayInsert('foo', 'myField.subField', 3, 'newValue')
)
expect(state).toEqualMap({
foo: {
values: {
myField: {
subField: ['a', 'b', 'c', 'newValue']
}
},
fields: {
myField: {
subField: [
{ touched: true },
{ touched: true, visited: true },
{ touched: true },
{}
]
}
}
}
})
})
it('should insert in middle', () => {
const state = reducer(
fromJS({
foo: {
values: {
myField: {
subField: ['a', 'b', 'c']
}
},
fields: {
myField: {
subField: [
{ touched: true },
{ touched: true, visited: true },
{ touched: true }
]
}
}
}
}),
arrayInsert('foo', 'myField.subField', 1, 'newValue')
)
expect(state).toEqualMap({
foo: {
values: {
myField: {
subField: ['a', 'newValue', 'b', 'c']
}
},
fields: {
myField: {
subField: [
{ touched: true },
{},
{ touched: true, visited: true },
{ touched: true }
]
}
}
}
})
})
}
export default describeArrayInsert