fix(payments): replace assertion errors

Because:

- Ensure that assertion errors throw a unique error providing additional
  information related to the error.

This commit:

- Where necessary update assertion errors to throw a unique error.
- Add tests for all assertion errors.

Closes #PAY-3392

Author: StaberindeZA

libs/payments/cart/src/lib/cart.error.ts

@@ -375,6 +375,97 @@ export class CartIntentNotFoundError extends CartError {
   }
 }
 
+export class GetCartMissingTaxAddressError extends CartError {
+  constructor(cartId: string) {
+    super('Cart must have a tax address', { cartId });
+    this.name = 'GetCartMissingTaxAddressError';
+  }
+}
+
+export class GetCartFailureFromPriceMissingError extends CartError {
+  constructor(cartId: string) {
+    super('fromPrice not present for upgrade cart', { cartId });
+    this.name = 'GetCartFailureFromPriceMissingError';
+  }
+}
+
+export class GetCartFromPriceMissingError extends CartError {
+  constructor(cartId: string) {
+    super('fromPrice not present for upgrade cart', { cartId });
+    this.name = 'GetCartFromPriceMissingError';
+  }
+}
+
+export class GetCartCustomerMissingError extends CartError {
+  constructor(cartId: string) {
+    super('Customer is required for upgrade', { cartId });
+    this.name = 'GetCartCustomerMissingError';
+  }
+}
+
+export class GetCartSubscriptionMissingError extends CartError {
+  constructor(cartId: string) {
+    super('Subscription required', { cartId });
+    this.name = 'GetCartSubscriptionMissingError';
+  }
+}
+
+export class GetCartLatestInvoicePreviewMissingError extends CartError {
+  constructor(cartId: string) {
+    super('latestInvoicePreview not present for success cart', { cartId });
+    this.name = 'GetCartLatestInvoicePreviewMissingError';
+  }
+}
+
+export class GetCartPaymentInfoMissingError extends CartError {
+  constructor(cartId: string) {
+    super('PaymentInfo not present for success cart', { cartId });
+    this.name = 'GetCartPaymentInfoMissingError';
+  }
+}
+
+export class GetCartIntervalMissingError extends CartError {
+  constructor(cartId: string) {
+    super('Interval not found but is required', { cartId });
+    this.name = 'GetCartIntervalMissingError';
+  }
+}
+
+export class GetCartUnitAmountForCurrencyMissingError extends CartError {
+  constructor(cartId: string) {
+    super('Unit amount for currency is required', { cartId });
+    this.name = 'GetCartUnitAmountForCurrencyMissingError';
+  }
+}
+
+export class GetCartPriceForCurrencyRecurringMissingError extends CartError {
+  constructor(cartId: string) {
+    super('Price for currency recurring is required', { cartId });
+    this.name = 'GetCartPriceForCurrencyRecurringMissingError';
+  }
+}
+
+export class SubmitNeedsInputCustomerIdMissingError extends CartError {
+  constructor(cartId: string) {
+    super('Cart must have a stripeCustomerId', { cartId });
+    this.name = 'SubmitNeedsInputCustomerIdMissingError';
+  }
+}
+
+export class SubmitNeedsInputSubscriptionIdMissingError extends CartError {
+  constructor(cartId: string) {
+    super('Cart must have a stripeSubscriptionId', { cartId });
+    this.name = 'SubmitNeedsInputSubscriptionIdMissingError';
+  }
+}
+
+export class SubmitNeedsInputUidMissingError extends CartError {
+  constructor(cartId: string) {
+    super('Cart must have a uid', { cartId });
+    this.name = 'SubmitNeedsInputUidMissingError';
+  }
+}
+
 export class CartSubscriptionNotFoundError extends CartError {
   constructor(message: string, cartId: string, subscriptionId?: string) {
     super(message, {