import XCTest

class BTAmericanExpressRewardsBalance_Tests: XCTestCase {
    
    func testInitWithJson_parsesSuccessJsonCorrectly() {
        let jsonString = "{ \"conversionRate\": \"0.0070\", \"currencyAmount\": \"316795.03\", \"currencyIsoCode\": \"USD\", \"requestId\": \"715f4712-8690-49ed-8cc5-d7fb1c2d\", \"rewardsUnit\": \"Points\", \"rewardsAmount\": \"45256433\"}".data(using: String.Encoding.utf8)!
        let json = BTJSON(data: jsonString)
        let rewardsBalance = BTAmericanExpressRewardsBalance(json: json)
        XCTAssertEqual(rewardsBalance.conversionRate, "0.0070")
        XCTAssertEqual(rewardsBalance.currencyAmount, "316795.03")
        XCTAssertEqual(rewardsBalance.currencyIsoCode, "USD")
        XCTAssertEqual(rewardsBalance.requestId, "715f4712-8690-49ed-8cc5-d7fb1c2d")
        XCTAssertEqual(rewardsBalance.rewardsAmount, "45256433")
        XCTAssertEqual(rewardsBalance.rewardsUnit, "Points")
        XCTAssertNil(rewardsBalance.errorCode)
        XCTAssertNil(rewardsBalance.errorMessage)

    }
    
    func testInitWithJson_parsesErrorJsonCorrectly() {
        let jsonString = "{ \"error\": { \"code\": \"abv6178\", \"message\": \"Rewards balance error message\"}}".data(using: String.Encoding.utf8)!
        let json = BTJSON(data: jsonString)
        let rewardsBalance = BTAmericanExpressRewardsBalance(json: json)
        XCTAssertEqual(rewardsBalance.errorCode, "abv6178")
        XCTAssertEqual(rewardsBalance.errorMessage, "Rewards balance error message")
        XCTAssertNil(rewardsBalance.conversionRate)
        XCTAssertNil(rewardsBalance.currencyAmount)
        XCTAssertNil(rewardsBalance.currencyIsoCode)
        XCTAssertNil(rewardsBalance.requestId)
        XCTAssertNil(rewardsBalance.rewardsAmount)
        XCTAssertNil(rewardsBalance.rewardsUnit)
    }
}