public void Should_GroupByCategory_When_CallingGetRmiReport()
{
// [arrange]
var list = new List <UserDetails>()
{
new UserDetails {
Height = 1.50, Weight = 40
}, // underweight
new UserDetails {
Height = 1.55, Weight = 45
}, // normal
new UserDetails {
Height = 1.55, Weight = 60
}, // pre-obesity
new UserDetails {
Height = 1.55, Weight = 80
}, // ovesity class 1
new UserDetails {
Height = 1.55, Weight = 100
} // undefined
};
var underTest = new BmiReport();
// [act]
var result = underTest.GetBmiPopulationReport(list);
// [assert]
Assert.AreEqual(1, result.GetValueOrDefault(BmiCategory.Underweight), "Assertion failed for " + BmiCategory.Underweight);
Assert.AreEqual(1, result.GetValueOrDefault(BmiCategory.Normal), "Assertion failed for " + BmiCategory.Normal);
Assert.AreEqual(1, result.GetValueOrDefault(BmiCategory.Preobesity), "Assertion failed for " + BmiCategory.Preobesity);
Assert.AreEqual(1, result.GetValueOrDefault(BmiCategory.ObesityClass1), "Assertion failed for " + BmiCategory.ObesityClass1);
Assert.AreEqual(1, result.GetValueOrDefault(BmiCategory.Undefined), "Assertion failed for " + BmiCategory.Undefined);
}
public void Should_ThrowArgumentException_When_IndexIsZero()
{
// [arrange]
var underTest = new BmiReport();
// [act]
underTest.GetBmiCategory(0d);
}
public void Should_ThrowArgumentException_When_WeightIsZero()
{
// [arrange]
var underTest = new BmiReport();
// [act]
underTest.GetBmiIndex(150, 0d);
}
public void Should_ReturnUndefined_When_IndexIsHigherThen34_9()
{
// [arrange]
var index = 35;
var underTest = new BmiReport();
// [act]
var result = underTest.GetBmiCategory(index);
// [assert]
Assert.AreEqual(BmiCategory.Undefined, result, "Assertion failed for: " + index);
}
public void Should_RoundToOneFloatingPoint_WhenIndexHasMoreThenOneDecimalPlaces()
{
// [arrange]
var height = 1.77;
var weight = 70d;
var underTest = new BmiReport();
// [act]
var result = underTest.GetBmiIndex(height, weight);
// [assert]
//Has only one digit after floating point
Assert.AreEqual(0, (result * 100) % 10);
}
public void Should_ReturnValidBmiIndex_When_WeightAndHeightAreNotZero()
{
// [arrange]
var height = 1.60;
var weight = 50d;
var expectedIndex = 19.5;
var underTest = new BmiReport();
// [act]
var result = underTest.GetBmiIndex(height, weight);
// [assert]
Assert.AreEqual(expectedIndex, result);
}
public void Should_ReturnNormal_When_IndexIsBetween18_6And24_9Inclusive()
{
// [arrange]
var indexList = new[] { 18.6, 20, 24.9 };
var underTest = new BmiReport();
// [act]
foreach (var index in indexList)
{
var result = underTest.GetBmiCategory(index);
// [assert]
Assert.AreEqual(BmiCategory.Normal, result, "Assertion failed for: " + index);
}
}
public void Should_ReturnUnderWeight_When_IndexIsBellow18_5()
{
// [arrange]
var indexList = new[] { 18.4, 18.5 };
var underTest = new BmiReport();
// [act]
foreach (var index in indexList)
{
var result = underTest.GetBmiCategory(index);
// [assert]
Assert.AreEqual(BmiCategory.Underweight, result, "Assertion failed for: " + index);
}
}
public void Should_ReturnObesityClass1_When_IndexIsBetween30nd34_9Inclusive()
{
// [arrange]
var indexList = new[] { 30, 32.6, 34.9 };
var underTest = new BmiReport();
// [act]
foreach (var index in indexList)
{
var result = underTest.GetBmiCategory(index);
// [assert]
Assert.AreEqual(BmiCategory.ObesityClass1, result, "Assertion failed for: " + index);
}
}
public void Should_ReturnPreobesity_When_IndexIsBetween25nd29_9Inclusive()
{
// [arrange]
var indexList = new[] { 25, 27.8, 29.9 };
var underTest = new BmiReport();
// [act]
foreach (var index in indexList)
{
var result = underTest.GetBmiCategory(index);
// [assert]
Assert.AreEqual(BmiCategory.Preobesity, result, "Assertion failed for: " + index);
}
}