public void Test_Clear_IOFile()
{
var testLogHelper = new TestLogHelper();
testLogHelper.ClearMortgages();
string filepath = testLogHelper.GetFilePath();
Assert.AreEqual(new FileInfo(filepath).Length, 0);
}
public void Test_Add_IOFile()
{
var testLogHelper = new TestLogHelper();
string text = $"With a principal of $1000, duration of 2 years and an interest rate of 3%, the monthly loan payment amount is $42.98";
testLogHelper.AddMortgage(text, 1000, 3, 2, 4000);
string expectedtext = File.ReadLines(testLogHelper.GetFilePath()).Last().Split(';')[0];
Assert.AreEqual(expectedtext, text);
testLogHelper.ClearMortgages();
}