public async Task GetCumulativeData_ShouldReturn_ExpectedValues()
{
// Arrange
var service = new CumulativeService();
const int originYear = 2000;
var claim1 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 5, Type = ProductType.Comp
};
var claim2 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 1, Value = 10, Type = ProductType.Comp
};
var claim3 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 2, Value = 15, Type = ProductType.Comp
};
// Act
var result = await service.GetCumulativeData(new List <Claim> {
claim1, claim2, claim3
});
// Assert
var expectedValues = new List <double>
{
claim1.Value.Value,
claim1.Value.Value + claim2.Value.Value,
claim1.Value.Value + claim2.Value.Value + claim3.Value.Value
};
Assert.AreEqual(expectedValues, result.CumulativeValues.First().Values);
}
public async Task GetCumulativeData_ShouldReturn_ExpectedCumulativeValuesCount()
{
// Arrange
var service = new CumulativeService();
const int originYear = 2000;
var claim1 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 5, Type = ProductType.Comp
};
var claim2 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 1, Value = 10, Type = ProductType.Comp
};
var claimA = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 5, Type = ProductType.NonComp
};
var claimB = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 1, Value = 10, Type = ProductType.NonComp
};
var incrementalData = new List <Claim> {
claim1, claim2, claimA, claimB
};
var expectedCount = incrementalData.GroupBy(data => data.Type).Select(g => g.Key).Count();
// Act
var result = await service.GetCumulativeData(incrementalData);
// Assert
Assert.AreEqual(expectedCount, result.CumulativeValues.Count());
}
public async Task GetCumulativeClaims_WithMultipleProductType_ReturnsMatchingProductType()
{
// Arrange
var service = new CumulativeService();
var claim1 = new Claim {
OriginYear = 1, DevelopmentYear = 1, Value = 1, Type = ProductType.Comp
};
var claim2 = new Claim {
OriginYear = 1, DevelopmentYear = 2, Value = 2, Type = ProductType.Comp
};
var claim3 = new Claim {
OriginYear = 1, DevelopmentYear = 1, Value = 1, Type = ProductType.NonComp
};
var claim4 = new Claim {
OriginYear = 1, DevelopmentYear = 2, Value = 2, Type = ProductType.NonComp
};
var incrementalData = new List <Claim> {
claim1, claim2, claim3, claim4
};
// Act
var result = (await service.GetCumulativeClaims(incrementalData)).ToList();
// Assert
var expectedComp = incrementalData.Count(i => i.Type == ProductType.Comp);
var expectedNonComp = incrementalData.Count(i => i.Type == ProductType.NonComp);
Assert.That(result, Has.Exactly(expectedComp).Matches <Claim>(claim => claim.Type == ProductType.Comp));
Assert.That(result,
Has.Exactly(expectedNonComp).Matches <Claim>(claim => claim.Type == ProductType.NonComp));
}
public async Task GetCumulativeData_ShouldReturn_ExpectedHeader()
{
// Arrange
var service = new CumulativeService();
const int originYear = 2000;
var claim1 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 5, Type = ProductType.Comp
};
var claim2 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 1, Value = 10, Type = ProductType.Comp
};
var claim3 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 2, Value = 15, Type = ProductType.Comp
};
// Act
var result = await service.GetCumulativeData(new List <Claim> {
claim1, claim2, claim3
});
// Assert
Assert.That(result.Header.MinOriginYear, Is.EqualTo(originYear));
Assert.That(result.Header.DevelopmentYears, Is.EqualTo(claim3.DevelopmentYear - originYear + 1));
}
public async Task GetCumulativeClaims_MultipleProductType_WithinSameOriginYear_ReturnsCumulativeData()
{
// Arrange
var service = new CumulativeService();
const int originYear = 2000;
var claim1 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 5, Type = ProductType.Comp
};
var claim2 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 1, Value = 10, Type = ProductType.Comp
};
var claimA = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 150, Type = ProductType.NonComp
};
var claimB = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 1, Value = 200, Type = ProductType.NonComp
};
var incrementalData = new List <Claim> {
claim1, claim2, claimA, claimB
};
// Act
var result = (await service.GetCumulativeClaims(incrementalData)).ToList();
// Assert
var claim1Cumulative = result.First(c =>
c.Type == claim1.Type &&
c.OriginYear == claim1.OriginYear &&
c.DevelopmentYear == claim1.DevelopmentYear);
var claim2Cumulative = result.First(c =>
c.Type == claim2.Type &&
c.OriginYear == claim2.OriginYear &&
c.DevelopmentYear == claim2.DevelopmentYear);
var claimACumulative = result.First(c =>
c.Type == claimA.Type &&
c.OriginYear == claimA.OriginYear &&
c.DevelopmentYear == claimA.DevelopmentYear);
var claimBCumulative = result.First(c =>
c.Type == claimB.Type &&
c.OriginYear == claimB.OriginYear &&
c.DevelopmentYear == claimB.DevelopmentYear);
Assert.AreEqual(claim1.Value, claim1Cumulative.Value);
Assert.AreEqual(claim1.Value + claim2.Value, claim2Cumulative.Value);
Assert.AreEqual(claimA.Value, claimACumulative.Value);
Assert.AreEqual(claimA.Value + claimB.Value, claimBCumulative.Value);
}
public void GetCumulativeData_ShouldThrowException_IfInputIsInvalid()
{
// Arrange
var service = new CumulativeService();
// Act
async Task AsyncAct() => await service.GetCumulativeData(null);
// Assert
var ex = Assert.ThrowsAsync <CumulativeException>(AsyncAct);
Assert.That(ex.Type, Is.EqualTo(CumulativeExceptionType.InvalidInput));
}
public async Task GetCumulativeClaims_WithinSameOriginYear_ReturnsCumulativeData([Values] ProductType productType)
{
// Arrange
var service = new CumulativeService();
const int originYear = 2000;
var claim1 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 5, Type = productType
};
var claim2 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 1, Value = 10, Type = productType
};
var claim3 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 2, Value = 15, Type = productType
};
var incrementalData = new List <Claim> {
claim1, claim2, claim3
};
// Act
var result = (await service.GetCumulativeClaims(incrementalData)).ToList();
// Assert
var claim1Cumulative = result.First(c =>
c.Type == claim1.Type &&
c.OriginYear == claim1.OriginYear &&
c.DevelopmentYear == claim1.DevelopmentYear);
var claim2Cumulative = result.First(c =>
c.Type == claim2.Type &&
c.OriginYear == claim2.OriginYear &&
c.DevelopmentYear == claim2.DevelopmentYear);
var claim3Cumulative = result.First(c =>
c.Type == claim3.Type &&
c.OriginYear == claim3.OriginYear &&
c.DevelopmentYear == claim3.DevelopmentYear);
Assert.AreEqual(claim1.Value, claim1Cumulative.Value);
Assert.AreEqual(claim1.Value + claim2.Value, claim2Cumulative.Value);
Assert.AreEqual(claim1.Value + claim2.Value + claim3.Value, claim3Cumulative.Value);
}
public async Task GetCumulativeClaims_MissingDevelopmentYear_ReturnsCumulativeData_WithCompleteDevelopmentYears()
{
// Arrange
var service = new CumulativeService();
const int originYear = 2000;
var claim1 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 5
};
var claim4 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 3, Value = 15
};
var incrementalData = new List <Claim> {
claim1, claim4
};
// Act
var result = (await service.GetCumulativeClaims(incrementalData)).ToList();
// Assert
var claim1Cumulative = result.First(c =>
c.OriginYear == claim1.OriginYear &&
c.DevelopmentYear == claim1.DevelopmentYear);
var claim2Cumulative = result.First(c =>
c.OriginYear == originYear &&
c.DevelopmentYear == originYear + 1);
var claim3Cumulative = result.First(c =>
c.OriginYear == originYear &&
c.DevelopmentYear == originYear + 2);
var claim4Cumulative = result.First(c =>
c.OriginYear == claim4.OriginYear &&
c.DevelopmentYear == claim4.DevelopmentYear);
Assert.AreEqual(claim1.Value, claim1Cumulative.Value);
Assert.AreEqual(claim1.Value, claim2Cumulative.Value);
Assert.AreEqual(claim1.Value, claim3Cumulative.Value);
Assert.AreEqual(claim1.Value + claim4.Value, claim4Cumulative.Value);
}
public async Task GetCumulativeData_ShouldReturn_CumulativeValues_WithDefaultValue_IfMissing()
{
// Arrange
var service = new CumulativeService();
const int originYear = 2000;
const int originYear2 = originYear + 1;
var claim1 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 5, Type = ProductType.Comp
};
var claim2 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 1, Value = 10, Type = ProductType.Comp
};
var claim3 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 2, Value = 15, Type = ProductType.Comp
};
var claimA = new Claim {
OriginYear = originYear2, DevelopmentYear = originYear2, Value = 5, Type = ProductType.NonComp
};
var claimB = new Claim {
OriginYear = originYear2, DevelopmentYear = originYear2 + 1, Value = 10, Type = ProductType.NonComp
};
var incrementComps = new List <Claim> {
claim1, claim2, claim3
};
var incrementNonComps = new List <Claim> {
claimA, claimB
};
// Act
var result = await service.GetCumulativeData(incrementComps.Concat(incrementNonComps));
// Assert
var comps = result.CumulativeValues.First(c => c.Type == ProductType.Comp);
var nonComps = result.CumulativeValues.First(c => c.Type == ProductType.NonComp);
Assert.AreEqual(incrementNonComps.Count, comps.Values.Count(value => value == default));
Assert.AreEqual(incrementComps.Count, nonComps.Values.Count(value => value == default));
}
public async Task GetCumulativeClaims_WithProductType_ReturnsMatchingProductType([Values] ProductType productType)
{
// Arrange
var service = new CumulativeService();
var claim1 = new Claim {
OriginYear = 1, DevelopmentYear = 1, Value = 1, Type = productType
};
var claim2 = new Claim {
OriginYear = 1, DevelopmentYear = 2, Value = 2, Type = productType
};
// Act
var result = await service.GetCumulativeClaims(new List <Claim> {
claim1, claim2
});
// Assert
Assert.That(result, Has.All.Matches <Claim>(claim => claim.Type == productType));
}
public async Task GetCumulativeData_ShouldReturn_EqualValues_ForAllCumulativeValues()
{
// Arrange
var service = new CumulativeService();
const int originYear = 2000;
const int originYear2 = originYear + 1;
// span over 3 development years - missing 2nd year.
var claim1 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear, Value = 5, Type = ProductType.Comp
};
var claim2 = new Claim {
OriginYear = originYear, DevelopmentYear = originYear + 2, Value = 10, Type = ProductType.Comp
};
var claimA = new Claim {
OriginYear = originYear2, DevelopmentYear = originYear2, Value = 5, Type = ProductType.NonComp
};
var claimB = new Claim {
OriginYear = originYear2, DevelopmentYear = originYear2 + 1, Value = 10, Type = ProductType.NonComp
};
var incrementalData = new List <Claim> {
claim1, claim2, claimA, claimB
};
const int expectedCount = 5;
// Act
var result = await service.GetCumulativeData(incrementalData);
// Assert
var comps = result.CumulativeValues.First(c => c.Type == ProductType.Comp);
var nonComps = result.CumulativeValues.First(c => c.Type == ProductType.NonComp);
Assert.AreEqual(expectedCount, comps.Values.Count());
Assert.AreEqual(expectedCount, nonComps.Values.Count());
}