Files
doormile_backend/constants/constants_test.go

117 lines
4.1 KiB
Go

package constants
import "testing"
// The nine stage keys are a wire contract. The customer client parses them
// verbatim and silently falls back to `booked` on anything it does not
// recognise — so a renamed or misspelt key here does not fail loudly, it makes
// a moving parcel look un-started on someone's tracking screen.
func TestStageKeysAreSpeltExactlyAsTheClientParsesThem(t *testing.T) {
want := map[string]string{
CxStageBooked: "booked",
CxStageAssigned: "assigned",
CxStageOnTheWay: "on_the_way",
CxStageArrived: "arrived",
CxStagePickedUp: "picked_up",
CxStageOrderCreated: "order_created",
CxStageInTransit: "in_transit",
CxStageOutForDelivery: "out_for_delivery",
CxStageDelivered: "delivered",
}
for got, expected := range want {
if got != expected {
t.Errorf("stage key = %q, want %q", got, expected)
}
}
if len(CxStageOrder) != 9 {
t.Errorf("CxStageOrder has %d entries, want 9 — every stage the client "+
"knows must be rankable", len(CxStageOrder))
}
}
// Ranks must be strictly increasing in journey order. advanceBooking refuses to
// move a booking backwards by comparing these, so a tie or an inversion would
// let a stage silently fail to apply.
func TestStageRanksIncreaseInJourneyOrder(t *testing.T) {
ordered := []string{
CxStageBooked, CxStageAssigned, CxStageOnTheWay, CxStageArrived,
CxStagePickedUp, CxStageOrderCreated, CxStageInTransit,
CxStageOutForDelivery, CxStageDelivered,
}
for i := 1; i < len(ordered); i++ {
if CxStageRank(ordered[i]) <= CxStageRank(ordered[i-1]) {
t.Errorf("%q ranks %d, not after %q at %d",
ordered[i], CxStageRank(ordered[i]), ordered[i-1], CxStageRank(ordered[i-1]))
}
}
}
// An unknown or empty stage must rank BEHIND booked, not tie with it. A booking
// written before this surface existed has no stage at all, and a tie would stop
// it ever advancing off nothing.
func TestUnknownStageRanksBehindEverything(t *testing.T) {
if CxStageRank("") != -1 {
t.Errorf("empty stage ranks %d, want -1", CxStageRank(""))
}
if CxStageRank("teleported") != -1 {
t.Errorf("unknown stage ranks %d, want -1", CxStageRank("teleported"))
}
if CxStageRank("") >= CxStageRank(CxStageBooked) {
t.Error("an unknown stage does not rank behind booked")
}
}
// Cancellation closes after `arrived` — the contract's rule, and money depends
// on it: cancelling after pickup would mean a parcel already collected and paid
// for is marked cancelled.
func TestCancellationWindowClosesAfterArrived(t *testing.T) {
open := []string{"", CxStageBooked, CxStageAssigned, CxStageOnTheWay, CxStageArrived}
for _, stage := range open {
if !CxCancellable(stage) {
t.Errorf("stage %q should still be cancellable", stage)
}
}
closed := []string{
CxStagePickedUp, CxStageOrderCreated, CxStageInTransit,
CxStageOutForDelivery, CxStageDelivered,
}
for _, stage := range closed {
if CxCancellable(stage) {
t.Errorf("stage %q must not be cancellable — the parcel is collected", stage)
}
}
}
// The customer statuses and actor types are also on the wire.
func TestCustomerStatusAndActorValues(t *testing.T) {
pairs := map[string]string{
CxStatusActive: "active",
CxStatusCompleted: "completed",
CxStatusCancelled: "cancelled",
CxActorMiler: "miler",
CxActorOps: "ops",
CxActorCustomer: "customer",
CxActorSystem: "system",
}
for got, want := range pairs {
if got != want {
t.Errorf("constant = %q, want %q", got, want)
}
}
}
// Booking source decides whether a booking gets a customer projection at all —
// cxstage returns early for anything that is not Customer_App. The stored value
// predates this work and must not be "fixed".
func TestBookingSourceValuesAreTheStoredOnes(t *testing.T) {
if BookingSourceCustomerApp != "Customer_App" {
t.Errorf("BookingSourceCustomerApp = %q, want %q", BookingSourceCustomerApp, "Customer_App")
}
if BookingSourceExpress != "CRM_Console" {
t.Errorf("BookingSourceExpress = %q — this is an existing database value, "+
"not a label to rename", BookingSourceExpress)
}
}