public void WithNoBudgetData()
{
var emptyBudgetCalculator = new BudgetCalculator(new EmptyBudgetRepository());
var budget = emptyBudgetCalculator.TotalAmount(DateTime.MinValue, DateTime.MinValue);
Assert.AreEqual(0, budget);
}
private void AmountShouldBe(IList <Budget> data, int expected, DateTime start, DateTime end)
{
var budgetCalculator = new BudgetCalculator(new TestDataBudgetRepository(data));
var budget = budgetCalculator.TotalAmount(start, end);
Assert.AreEqual(expected, budget);
}
public void WrongStartEnd()
{
IList <Budget> data = new List <Budget>()
{
new Budget()
{
Amount = 310, YearMonth = "201801"
},
new Budget()
{
Amount = 620, YearMonth = "201803"
},
new Budget()
{
Amount = 900, YearMonth = "201804"
}
};
var budgetCalculator = new BudgetCalculator(new TestDataBudgetRepository(data));
budgetCalculator.TotalAmount(new DateTime(2018, 12, 31), new DateTime(2017, 12, 31));
}
public void CrossMoreMonthHaveBudget()
{
IList <Budget> data = new List <Budget>()
{
new Budget()
{
Amount = 310, YearMonth = "201801"
},
new Budget()
{
Amount = 620, YearMonth = "201803"
},
new Budget()
{
Amount = 900, YearMonth = "201804"
}
};
var budgetCalculator = new BudgetCalculator(new TestDataBudgetRepository(data));
AmountShouldBe(720, new DateTime(2018, 1, 31), new DateTime(2018, 4, 3));
}
public void SingleMonthDaysHaveBudget()
{
IList <Budget> data = new List <Budget>()
{
new Budget()
{
Amount = 310, YearMonth = "201801"
},
new Budget()
{
Amount = 620, YearMonth = "201803"
},
new Budget()
{
Amount = 900, YearMonth = "201804"
}
};
var budgetCalculator = new BudgetCalculator(new TestDataBudgetRepository(data));
AmountShouldBe(20, new DateTime(2018, 01, 01), new DateTime(2018, 01, 02));
}
public void AllOutOfRangeBudget()
{
IList <Budget> data = new List <Budget>()
{
new Budget()
{
Amount = 310, YearMonth = "201801"
},
new Budget()
{
Amount = 620, YearMonth = "201803"
},
new Budget()
{
Amount = 900, YearMonth = "201804"
}
};
var budgetCalculator = new BudgetCalculator(new TestDataBudgetRepository(data));
var budget = budgetCalculator.TotalAmount(new DateTime(2017, 12, 31), new DateTime(2017, 12, 31));
Assert.AreEqual(0, budget);
}
private void AmountShouldBe(int expected, DateTime start, DateTime end)
{
IList <Budget> data = new List <Budget>()
{
new Budget()
{
Amount = 310, YearMonth = "201801"
},
new Budget()
{
Amount = 620, YearMonth = "201803"
},
new Budget()
{
Amount = 900, YearMonth = "201804"
}
};
var budgetCalculator = new BudgetCalculator(new TestDataBudgetRepository(data));
var budget = budgetCalculator.TotalAmount(start, end);
Assert.AreEqual(expected, budget);
}
public void CrossMonthSomeHaveBudgetSomeNoBudget()
{
IList <Budget> data = new List <Budget>()
{
new Budget()
{
Amount = 310, YearMonth = "201801"
},
new Budget()
{
Amount = 620, YearMonth = "201803"
},
new Budget()
{
Amount = 900, YearMonth = "201804"
}
};
var budgetCalculator = new BudgetCalculator(new TestDataBudgetRepository(data));
var budget = budgetCalculator.TotalAmount(new DateTime(2018, 2, 15), new DateTime(2018, 03, 15));
Assert.AreEqual(300, budget);
}
public void CrossYearHaveBudget()
{
IList <Budget> data = new List <Budget>()
{
new Budget()
{
Amount = 310, YearMonth = "201801"
},
new Budget()
{
Amount = 620, YearMonth = "201803"
},
new Budget()
{
Amount = 900, YearMonth = "201804"
}
};
var budgetCalculator = new BudgetCalculator(new TestDataBudgetRepository(data));
var budget = budgetCalculator.TotalAmount(new DateTime(2017, 08, 31), new DateTime(2018, 06, 01));
Assert.AreEqual(1830, budget);
}
