public void CheckCodesWhenFormatDataIsCorrect() { // Arrange var expected = "THB,USD,AUD"; var templateDataCurrency = @"[{""currency"": ""bat (Tajlandia)"",""code"": ""THB"",""mid"": 0.1267}, {""currency"": ""dolar amerykañski"",""code"": ""USD"",""mid"": 3.8408}, {""currency"": ""dolar australijski"",""code"": ""AUD"",""mid"": 2.6355}]"; // Act var actual = _exchangeHelper.GetCodes(JToken.Parse(templateDataCurrency)); // Assert Assert.That(actual, Is.EqualTo(expected)); }