feat(pricing, types): add price rule operators to price calculations (#10350)
what:
- adds price rule operators when doing price calculations
- rules now accepts a key where the value can be an array of objects `({ operator: string, value: number })`
- validation for available types of operator and value to be a number
```
await service.createPriceSets({
prices: [
{
amount: 50,
currency_code: "usd",
rules: {
region_id: "de",
cart_total: [
{ operator: "gte", value: 400 },
{ operator: "lte", value: 500 },
]
},
},
]
})
```
- price calculations will now account for the operators - lte, gte, lt, gt when the price context is a number
RESOLVES CMRC-747
This commit is contained in:
@@ -5,6 +5,7 @@ import { SqlEntityManager } from "@mikro-orm/postgresql"
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import { defaultPriceRuleData } from "./data"
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export * from "./data"
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export * from "./operators"
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export async function createPriceRules(
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manager: SqlEntityManager,
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@@ -0,0 +1,39 @@
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import { RuleWithOperator } from "@medusajs/types"
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export const withOperator = (
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border,
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min = 400,
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max = 800
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): RuleWithOperator[] => {
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if (border === "betweenEquals") {
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return [
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{ operator: "gte", value: min },
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{ operator: "lte", value: max },
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]
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} else if (border === "between") {
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return [
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{ operator: "gt", value: min },
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{ operator: "lt", value: max },
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]
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} else if (border === "excludingMin") {
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return [
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{ operator: "gt", value: min },
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{ operator: "lte", value: max },
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]
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} else if (border === "excludingMax") {
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return [
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{ operator: "gte", value: min },
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{ operator: "lt", value: max },
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]
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} else if (border === "gt") {
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return [{ operator: "gt", value: min }]
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} else if (border === "lt") {
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return [{ operator: "lt", value: min }]
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} else if (border === "lte") {
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return [{ operator: "lte", value: min }]
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} else if (border === "gte") {
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return [{ operator: "gte", value: min }]
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} else {
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return []
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}
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}
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+175
@@ -10,6 +10,7 @@ import {
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PriceListType,
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} from "@medusajs/framework/utils"
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import { moduleIntegrationTestRunner } from "@medusajs/test-utils"
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import { withOperator } from "../../../__fixtures__/price-rule"
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import { seedPriceData } from "../../../__fixtures__/seed-price-data"
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jest.setTimeout(30000)
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@@ -1857,6 +1858,180 @@ moduleIntegrationTestRunner<IPricingModuleService>({
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})
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})
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})
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describe("calculatePrices", () => {
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let priceSet1
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it("should return accurate prices when using custom price rule operators", async () => {
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priceSet1 = await service.createPriceSets({
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prices: [
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{
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amount: 50,
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currency_code: "usd",
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rules: {
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region_id: "de",
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cart_total: withOperator("between", 300, 400),
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},
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},
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{
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amount: 100,
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currency_code: "usd",
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rules: {
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region_id: "de",
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cart_total: withOperator("betweenEquals", 400, 500),
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},
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},
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{
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amount: 150,
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currency_code: "usd",
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rules: {
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region_id: "de",
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cart_total: withOperator("excludingMin", 500, 600),
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},
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},
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{
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amount: 200,
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currency_code: "usd",
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rules: {
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region_id: "de",
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cart_total: withOperator("excludingMax", 600, 700),
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},
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},
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],
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})
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let priceSetsResult = await service.calculatePrices(
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{ id: [priceSet1.id] },
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{
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context: {
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currency_code: "usd",
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region_id: "de",
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cart_total: 350,
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},
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}
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)
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expect(priceSetsResult).toEqual([
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expect.objectContaining({
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is_calculated_price_price_list: false,
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is_calculated_price_tax_inclusive: false,
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calculated_amount: 50,
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raw_calculated_amount: {
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value: "50",
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precision: 20,
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},
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is_original_price_price_list: false,
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is_original_price_tax_inclusive: false,
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original_amount: 50,
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raw_original_amount: {
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value: "50",
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precision: 20,
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},
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currency_code: "usd",
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calculated_price: expect.objectContaining({
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id: expect.any(String),
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price_list_id: null,
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price_list_type: null,
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min_quantity: null,
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max_quantity: null,
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}),
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original_price: {
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id: expect.any(String),
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price_list_id: null,
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price_list_type: null,
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min_quantity: null,
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max_quantity: null,
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},
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}),
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])
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priceSetsResult = await service.calculatePrices(
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{ id: [priceSet1.id] },
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{
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context: {
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currency_code: "usd",
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region_id: "de",
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cart_total: 300,
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},
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}
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)
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expect(priceSetsResult).toEqual([])
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priceSetsResult = await service.calculatePrices(
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{ id: [priceSet1.id] },
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{
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context: {
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currency_code: "usd",
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region_id: "de",
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cart_total: 400,
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},
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}
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)
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expect(priceSetsResult).toEqual([
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expect.objectContaining({ calculated_amount: 100 }),
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])
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priceSetsResult = await service.calculatePrices(
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{ id: [priceSet1.id] },
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{
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context: {
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currency_code: "usd",
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region_id: "de",
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cart_total: 500,
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},
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}
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)
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expect(priceSetsResult).toEqual([
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expect.objectContaining({ calculated_amount: 100 }),
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])
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priceSetsResult = await service.calculatePrices(
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{ id: [priceSet1.id] },
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{
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context: {
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currency_code: "usd",
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region_id: "de",
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cart_total: 501,
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},
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}
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)
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expect(priceSetsResult).toEqual([
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expect.objectContaining({ calculated_amount: 150 }),
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])
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priceSetsResult = await service.calculatePrices(
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{ id: [priceSet1.id] },
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{
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context: {
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currency_code: "usd",
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region_id: "de",
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cart_total: 601,
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},
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}
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)
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expect(priceSetsResult).toEqual([
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expect.objectContaining({ calculated_amount: 200 }),
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])
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priceSetsResult = await service.calculatePrices(
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{ id: [priceSet1.id] },
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{
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context: {
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currency_code: "usd",
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region_id: "de",
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cart_total: 900,
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},
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}
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)
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expect(priceSetsResult).toEqual([])
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})
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})
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})
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},
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})
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+129
-2
@@ -619,6 +619,119 @@ moduleIntegrationTestRunner<IPricingModuleService>({
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)
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})
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it("should create price set with prices including rule operators", async () => {
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const [priceSet] = await service.createPriceSets([
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{
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prices: [
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{
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amount: 100,
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currency_code: "USD",
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rules: {
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region_id: "1",
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custom_rule: [
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{
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operator: "gt",
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value: 500,
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},
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{
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operator: "lt",
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value: 1000,
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},
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],
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},
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},
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{
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amount: 150,
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currency_code: "USD",
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},
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],
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},
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])
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expect(priceSet.prices).toHaveLength(2)
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expect(priceSet).toEqual(
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expect.objectContaining({
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prices: expect.arrayContaining([
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expect.objectContaining({
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amount: 100,
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currency_code: "USD",
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price_rules: expect.arrayContaining([
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expect.objectContaining({
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attribute: "region_id",
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operator: "eq",
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value: "1",
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}),
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expect.objectContaining({
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attribute: "custom_rule",
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operator: "gt",
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value: "500",
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}),
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expect.objectContaining({
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attribute: "custom_rule",
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operator: "lt",
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value: "1000",
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}),
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]),
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}),
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expect.objectContaining({
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amount: 150,
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currency_code: "USD",
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}),
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]),
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})
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)
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})
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it("should throw error when creating price with invalid rules", async () => {
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let error = await service
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.createPriceSets([
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{
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prices: [
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{
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amount: 100,
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currency_code: "USD",
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rules: {
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custom_rule: [
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{
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operator: "unknown" as any,
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value: 500,
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},
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],
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},
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},
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],
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},
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])
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.catch((e) => e)
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expect(error.message).toBe(
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"operator should be one of gte, lte, gt, lt, eq"
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)
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error = await service
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.createPriceSets([
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{
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prices: [
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{
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amount: 100,
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currency_code: "USD",
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rules: {
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custom_rule: [
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{
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operator: "gt",
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value: "string" as any,
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},
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],
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},
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},
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],
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},
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])
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.catch((e) => e)
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expect(error.message).toBe("value should be a number")
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})
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it("should create a priceSet successfully", async () => {
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await service.createPriceSets([
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{
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@@ -786,7 +899,9 @@ moduleIntegrationTestRunner<IPricingModuleService>({
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{
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amount: 100,
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currency_code: "USD",
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rules: { region_id: "123" },
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rules: {
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region_id: "123",
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},
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},
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],
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},
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@@ -799,7 +914,10 @@ moduleIntegrationTestRunner<IPricingModuleService>({
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{
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amount: 200,
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currency_code: "USD",
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rules: { region_id: "123" },
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rules: {
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region_id: "123",
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test: [{ value: 500, operator: "gte" }],
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},
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},
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],
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},
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@@ -812,6 +930,10 @@ moduleIntegrationTestRunner<IPricingModuleService>({
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expect(
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priceSet.prices?.sort((a: any, b: any) => a.amount - b.amount)
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).toEqual([
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expect.objectContaining({
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amount: 100,
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currency_code: "USD",
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}),
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expect.objectContaining({
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amount: 200,
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currency_code: "USD",
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@@ -820,6 +942,11 @@ moduleIntegrationTestRunner<IPricingModuleService>({
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attribute: "region_id",
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value: "123",
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}),
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expect.objectContaining({
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attribute: "test",
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operator: "gte",
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value: "500",
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}),
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],
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}),
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expect.objectContaining({
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