Added implementation of transitType along with tests to be modified yet and tested when we'll have a good content saving

spec/PKPass.ts

@@ -338,4 +338,55 @@ describe("PKPass", () => {
 			expect(pass.props["barcodes"]).toBe(undefined);
 		});
 	});
+
+	describe("transitType", () => {
+		it("should accept a new value only if the pass is a boarding pass", () => {
+			const mockBPPassJSON = Buffer.from(
+				JSON.stringify({
+					boardingPass: {},
+				}),
+			);
+
+			const mockCPPassJSON = Buffer.from(
+				JSON.stringify({
+					coupon: {},
+				}),
+			);
+
+			const passBP = new PKPass(
+				{
+					"pass.json": mockBPPassJSON,
+				},
+				{},
+			);
+
+			const passCP = new PKPass(
+				{
+					"pass.json": mockCPPassJSON,
+				},
+				{},
+			);
+
+			/**
+			 * @TODO fix this test when props setup
+			 * will be complete
+			 */
+
+			/* 			expect(() => {
+				passBP.transitType = "PKTransitTypeAir";
+			}).toThrowError(
+				TypeError,
+				"Cannot set transitType on a pass with type different from 'boardingPass'.",
+			); */
+			// expect(passBP.transitType).toBe("PKTransitTypeAir");
+
+			/* 			expect(
+				() => (passCP.transitType = "PKTransitTypeAir"),
+			).toThrowError(
+				TypeError,
+				"Cannot set transitType on a pass with type different from 'boardingPass'.",
+			);
+			expect(passCP.transitType).toBeUndefined(); */
+		});
+	});
 });

src/PKPass.ts

@@ -141,11 +141,24 @@ export default class PKPass extends Bundle {
 	 */
 
 	set transitType(value: TransitTypes) {
+		if (!this[propsSymbol].boardingPass) {
+			throw new TypeError(
+				"Cannot set transitType on a pass with type different from 'boardingPass'.",
+			);
+		}
+
 		/**
-		 * @TODO implement
+		 * @TODO Make getValidated more explicit in case of error.
-		 * @TODO validate against schema
+		 * @TODO maybe make an automated error.
-		 * @TODO save into props
 		 */
+
+		if (!Schemas.getValidated(value, Schemas.TransitType)) {
+			throw new TypeError(
+				`Cannot set transitType to '${value}': invalid type. Expected one of PKTransitTypeAir, PKTransitTypeBoat, PKTransitTypeBus, PKTransitTypeGeneric, PKTransitTypeTrain.`,
+			);
+		}
+
+		this[propsSymbol]["boardingPass"].transitType = value;
 	}
 
 	/**
@@ -154,12 +167,7 @@ export default class PKPass extends Bundle {
 	 */
 
 	get transitType(): TransitTypes {
-		/**
+		return this[propsSymbol]["boardingPass"]?.transitType;
-		 * @TODO implement
-		 * @TODO read from props
-		 */
-
-		return undefined;
 	}
 
 	// **************************** //