remove unnecessary file
This commit is contained in:
Martin McKeaveney
parent
defb31910e
commit
a41d25f83e
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import { setupBinding } from "../src/state/stateBinding"
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import {
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BB_STATE_BINDINGPATH,
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BB_STATE_FALLBACK,
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BB_STATE_BINDINGSOURCE,
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} from "../src/state/isState"
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import { EVENT_TYPE_MEMBER_NAME } from "../src/state/eventHandlers"
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import { writable } from "svelte/store"
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import { isFunction } from "lodash/fp"
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describe("setupBinding", () => {
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it("should correctly create initials props, including fallback values", () => {
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const { store, props, component } = testSetup()
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const { initialProps } = testSetupBinding(store, props, component)
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expect(initialProps.boundWithFallback).toBe("Bob")
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expect(initialProps.boundNoFallback).toBeUndefined()
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expect(initialProps.unbound).toBe("hello")
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expect(isFunction(initialProps.eventBound)).toBeTruthy()
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initialProps.eventBound()
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})
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it("should update component bound props when store is updated", () => {
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const { component, store, props } = testSetup()
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const { bind } = testSetupBinding(store, props, component)
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bind(component)
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store.update(s => {
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s.FirstName = "Bobby"
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s.LastName = "Thedog"
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s.Customer = {
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Name: "ACME inc",
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Address: "",
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}
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s.addressToSet = "123 Main Street"
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return s
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})
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expect(component.props.boundWithFallback).toBe("Bobby")
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expect(component.props.boundNoFallback).toBe("Thedog")
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expect(component.props.multiPartBound).toBe("ACME inc")
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})
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it("should not update unbound props when store is updated", () => {
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const { component, store, props } = testSetup()
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const { bind } = testSetupBinding(store, props, component)
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bind(component)
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store.update(s => {
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s.FirstName = "Bobby"
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s.LastName = "Thedog"
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s.Customer = {
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Name: "ACME inc",
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Address: "",
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}
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s.addressToSet = "123 Main Street"
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return s
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})
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expect(component.props.unbound).toBe("hello")
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})
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it("should update event handlers on state change", () => {
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const { component, store, props } = testSetup()
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const { bind } = testSetupBinding(store, props, component)
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bind(component)
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expect(component.props.boundToEventOutput).toBe("initial address")
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component.props.eventBound()
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expect(component.props.boundToEventOutput).toBe("event fallback address")
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store.update(s => {
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s.addressToSet = "123 Main Street"
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return s
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})
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component.props.eventBound()
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expect(component.props.boundToEventOutput).toBe("123 Main Street")
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})
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it("event handlers should recognise event parameter", () => {
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const { component, store, props } = testSetup()
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const { bind } = testSetupBinding(store, props, component)
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bind(component)
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expect(component.props.boundToEventOutput).toBe("initial address")
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component.props.eventBoundUsingEventParam({
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addressOverride: "Overridden Address",
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})
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expect(component.props.boundToEventOutput).toBe("Overridden Address")
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store.update(s => {
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s.addressToSet = "123 Main Street"
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return s
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})
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component.props.eventBound()
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expect(component.props.boundToEventOutput).toBe("123 Main Street")
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component.props.eventBoundUsingEventParam({
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addressOverride: "Overridden Address",
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})
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expect(component.props.boundToEventOutput).toBe("Overridden Address")
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})
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it("should bind initial props to supplied context", () => {
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const { component, store, props } = testSetup()
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const { bind } = testSetupBinding(store, props, component, {
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ContextValue: "Real Context Value",
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})
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bind(component)
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expect(component.props.boundToContext).toBe("Real Context Value")
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})
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});
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const testSetupBinding = (store, props, component, context) => {
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const setup = setupBinding(store, props, undefined, context)
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component.props = setup.initialProps // svelte does this for us in real life
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return setup
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}
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const testSetup = () => {
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const c = {}
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c.props = {}
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c.$set = propsToSet => {
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for (let pname in propsToSet) c.props[pname] = propsToSet[pname]
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}
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const binding = (path, fallback, source) => ({
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[BB_STATE_BINDINGPATH]: path,
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[BB_STATE_FALLBACK]: fallback,
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[BB_STATE_BINDINGSOURCE]: source || "store"
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});
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const event = (handlerType, parameters) => ({
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[EVENT_TYPE_MEMBER_NAME]: handlerType,
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parameters
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});
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const props = {
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boundWithFallback: binding("FirstName", "Bob"),
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boundNoFallback: binding("LastName"),
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unbound: "hello",
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multiPartBound: binding("Customer.Name", "ACME"),
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boundToEventOutput: binding("Customer.Address", "initial address"),
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boundToContext: binding("ContextValue", "context fallback", "context"),
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eventBound: [
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event("Set State", {
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path: "Customer.Address",
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value: binding("addressToSet", "event fallback address"),
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}),
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],
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eventBoundUsingEventParam: [
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event("Set State", {
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path: "Customer.Address",
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value: binding("addressOverride", "", "event"),
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}),
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],
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}
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return {
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component: c,
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store: writable({}),
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props,
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}
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}
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