public void MapBucket_WhenCreatingMap()
{
//arrange
List <CohortMember> cohortMembers = new List <CohortMember>()
{
new CohortMember {
CustomerId = 1,
OrderNumber = 0,
TransactionDate = new DateTime(2015, 01, 01),
CohortDate = new DateTime(2015, 01, 01),
CohortIdentifier = new DateTime(2015, 01, 01),
CohortPeriod = 1.0,
},
new CohortMember {
CustomerId = 2,
OrderNumber = 0,
TransactionDate = new DateTime(2015, 01, 01),
CohortDate = new DateTime(2015, 01, 01),
CohortIdentifier = new DateTime(2015, 01, 01),
CohortPeriod = 2.0,
},
new CohortMember {
CustomerId = 1,
OrderNumber = 0,
TransactionDate = new DateTime(2015, 01, 02),
CohortDate = new DateTime(2015, 01, 02),
CohortIdentifier = new DateTime(2015, 01, 02),
CohortPeriod = 2.0,
},
};
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings
{
LifeCycleRange = 7
});
CohortCalculationLogic calculationLogic =
new CohortCalculationLogic(mockSettings.Object);
IEnumerable <IGrouping <double?, CohortMember> > bucket =
cohortMembers.GroupBy(cm => cm.CohortPeriod);
//act
Bucket result = calculationLogic.MapBucket(bucket.First(), 3);
//assert
Assert.Equal("1", result.BucketName);
Assert.Equal("33.33%", result.OrderersCount.Percentage);
Assert.Equal(1, result.OrderersCount.Count);
Assert.Equal("33.33%", result.FirstTimeCount.Percentage);
Assert.Equal(1, result.FirstTimeCount.Count);
}
public void MapCohortGroup_WhenCreatingMap()
{
//arrange
List <CohortMember> cohortMembers = new List <CohortMember>()
{
new CohortMember {
CustomerId = 1,
OrderNumber = 0,
TransactionDate = new DateTime(2015, 01, 01),
CohortDate = new DateTime(2015, 01, 01),
CohortIdentifier = new DateTime(2015, 01, 01),
CohortPeriod = 1.0,
},
new CohortMember {
CustomerId = 2,
OrderNumber = 0,
TransactionDate = new DateTime(2015, 01, 01),
CohortDate = new DateTime(2015, 01, 01),
CohortIdentifier = new DateTime(2015, 01, 01),
CohortPeriod = 2.0,
},
new CohortMember {
CustomerId = 1,
OrderNumber = 0,
TransactionDate = new DateTime(2015, 01, 02),
CohortDate = new DateTime(2015, 01, 02),
CohortIdentifier = new DateTime(2015, 01, 02),
CohortPeriod = 2.0,
},
};
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings
{
LifeCycleRange = 7,
CohortDateFormat = "MM/dd/yy"
});
CohortCalculationLogic calculationLogic =
new CohortCalculationLogic(mockSettings.Object);
IEnumerable <IGrouping <DateTime, CohortMember> > bucket =
cohortMembers.GroupBy(cm => cm.CohortIdentifier);
//act
CohortGroup result = calculationLogic.MapCohortGroup(bucket.First());
//assert
Assert.Equal("01/01/15 - 01/01/15", result.CohortRange);
Assert.Equal(2, result.Customers);
Assert.Equal(2, result.Buckets.Count());
}
public void SaveAnalysisIntoCsvFile_ReturnsDataIntoCsv()
{
string mockFilePath = $"{MOCK_FOLDER_PATH}/save_analysis_snippet.csv";
//arrange
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings
{
LifeCycleRange = 7,
CohortDateFormat = "MM/dd/yy",
DataFilesFolderPath = MOCK_FOLDER_PATH,
OutputResultsFolderPath = MOCK_FOLDER_PATH,
});
CsvService csvService = new CsvService();
CustomerService customerService = new CustomerService(csvService);
OrderService orderService = new OrderService(csvService);
CohortCalculationLogic cohortCalculationLogic = new CohortCalculationLogic(mockSettings.Object);
CohortAnalysisService service =
new CohortAnalysisService(
mockSettings.Object,
customerService,
orderService,
cohortCalculationLogic,
csvService
);
//act
IEnumerable <CohortGroup> cohortGroups = service.RunAnalysis(new CohortAnalysisSetup
{
OrderFilePath = $"{MOCK_FOLDER_PATH}/orders_mock_snippet.csv",
CustomerFilePath = $"{MOCK_FOLDER_PATH}/customers_mock_snippet.csv",
TimeZone = "America/New_York"
});
bool result = service
.SaveAnalysisIntoCsvFile(mockFilePath, cohortGroups);
//assert
Assert.True(result);
using (var streamReader = new StreamReader(mockFilePath))
{
CsvReader reader = new CsvReader(streamReader);
IEnumerable <dynamic> records = reader.GetRecords <dynamic>();
List <dynamic> recordList = records.ToList();
Assert.Equal("06/28/15 - 07/01/15", recordList.First().Cohort);
Assert.Equal("363 customers", recordList.First().Customers);
Assert.Equal("01/21/15 - 01/24/15", recordList.Last().Cohort);
Assert.Equal("81 customers", recordList.Last().Customers);
}
}
public void MapCohortGroups_ReturnsCorrectResults()
{
//arrange
List <CohortMember> cohortMembers = new List <CohortMember>()
{
new CohortMember {
CustomerId = 1,
OrderNumber = 0,
TransactionDate = new DateTime(2015, 01, 01),
CohortDate = new DateTime(2015, 01, 01),
CohortIdentifier = new DateTime(2015, 01, 01),
CohortPeriod = 1.0,
},
new CohortMember {
CustomerId = 2,
OrderNumber = 0,
TransactionDate = new DateTime(2015, 01, 01),
CohortDate = new DateTime(2015, 01, 01),
CohortIdentifier = new DateTime(2015, 01, 01),
CohortPeriod = 2.0,
},
new CohortMember {
CustomerId = 1,
OrderNumber = 0,
TransactionDate = new DateTime(2015, 01, 02),
CohortDate = new DateTime(2015, 01, 02),
CohortIdentifier = new DateTime(2015, 01, 02),
CohortPeriod = 2.0,
},
};
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings
{
LifeCycleRange = 7,
CohortDateFormat = "MM/dd/yy"
});
CohortCalculationLogic calculationLogic =
new CohortCalculationLogic(mockSettings.Object);
//act
IEnumerable <CohortGroup> result = calculationLogic.MapCohortGroups(cohortMembers);
//assert
Assert.Equal(2, result.Count());
Assert.Equal("01/02/15 - 01/02/15", result.First().CohortRange);
Assert.Equal(1, result.First().Customers);
Assert.Equal("2", result.First().Buckets.First().BucketName);
}
public void MapFirstTimeCount_WhenCreatingMap()
{
//arrange
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings {
LifeCycleRange = 7
});
CohortCalculationLogic calculationLogic =
new CohortCalculationLogic(mockSettings.Object);
//act
FirstTimeCount result = calculationLogic.MapFirstTimeCount(10, 20);
//assert
Assert.Equal("50%", result.Percentage);
Assert.Equal(10, result.Count);
}
public void MapCohortMember_ReturnsCorrectResults()
{
//arrange
Order mockOrder = new Order
{
Id = 1,
OrderNumber = 123,
UserId = 1,
Created = new DateTime(2015, 06, 23)
};
Customer mockCustomer = new Customer
{
Id = 1,
Created = new DateTime(2015, 01, 01)
};
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings
{
LifeCycleRange = 7,
CohortDateFormat = "MM/dd/yy"
});
CohortCalculationLogic calculationLogic =
new CohortCalculationLogic(mockSettings.Object);
//act
CohortMember result = calculationLogic
.MapCohortMember(mockOrder, mockCustomer);
//assert
Assert.Equal(1, result.CustomerId);
Assert.Equal(123, result.OrderNumber);
Assert.Equal(new DateTime(2015, 06, 23), result.TransactionDate);
Assert.Equal(new DateTime(2015, 01, 01), result.CohortDate);
Assert.Equal(new DateTime(2014, 12, 28), result.CohortIdentifier);
Assert.Equal(26, result.CohortPeriod);
}
public void CalculateLifeCycleStage_CyclePeriod()
{
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings
{
LifeCycleRange = 7,
});
CohortCalculationLogic calculationLogic =
new CohortCalculationLogic(mockSettings.Object);
//act
double result = calculationLogic
.CalculateLifeCycleStage(
new DateTime(2015, 01, 01),
new DateTime(2015, 01, 30),
7);
//assert
Assert.Equal(5, result);
}
public void RunAnalysis_GivenAValidData_Then_ReturnCohortGroups()
{
//arrange
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings
{
LifeCycleRange = 7,
CohortDateFormat = "MM/dd/yy",
});
CsvService csvService = new CsvService();
CustomerService customerService = new CustomerService(csvService);
OrderService orderService = new OrderService(csvService);
CohortCalculationLogic cohortCalculationLogic = new CohortCalculationLogic(mockSettings.Object);
CohortAnalysisService service =
new CohortAnalysisService(
mockSettings.Object,
customerService,
orderService,
cohortCalculationLogic,
csvService
);
//act
IEnumerable <CohortGroup> cohortGroups = service.RunAnalysis(new CohortAnalysisSetup
{
OrderFilePath = $"{MOCK_FOLDER_PATH}/orders_mock_snippet.csv",
CustomerFilePath = $"{MOCK_FOLDER_PATH}/customers_mock_snippet.csv",
TimeZone = "America/New_York"
});
//assert
List <CohortGroup> cohortGroupsList = cohortGroups.ToList();
Assert.Equal(24, cohortGroupsList.Count());
Assert.Equal("06/28/15 - 07/01/15", cohortGroupsList.First().CohortRange);
Assert.Equal("01/21/15 - 01/24/15", cohortGroupsList.Last().CohortRange);
}
public void FormatCohortRange_ReadsDateFormatFromSettings()
{
//arrange
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings
{
LifeCycleRange = 7,
CohortDateFormat = "yyyy-MM-dd"
});
CohortCalculationLogic calculationLogic =
new CohortCalculationLogic(mockSettings.Object);
//act
string result =
calculationLogic.FormatCohortRange(
new DateTime(2015, 05, 01),
new DateTime(2015, 05, 05)
);
//assert
Assert.Equal("2015-05-01 - 2015-05-05", result);
}
public void GenerateCohortMembersBasedOnCustomerSignup_Returns_CohortMembers()
{
//assert
List <Order> mockOrders = new List <Order>
{
new Order {
Id = 1,
OrderNumber = 123,
UserId = 1,
Created = new DateTime(2015, 06, 23)
},
new Order {
Id = 2,
OrderNumber = 0,
UserId = 2,
Created = new DateTime(2015, 06, 01)
},
new Order {
Id = 2,
OrderNumber = 0,
UserId = 1,
Created = new DateTime(2015, 06, 01)
},
new Order {
Id = 3,
OrderNumber = 0,
UserId = 3,
Created = new DateTime(2015, 06, 01)
}
};
List <Customer> mockCustomers = new List <Customer>
{
new Customer
{
Id = 1,
Created = new DateTime(2015, 01, 01)
},
new Customer
{
Id = 2,
Created = new DateTime(2015, 01, 01)
},
new Customer
{
Id = 3,
Created = new DateTime(2015, 01, 01)
},
};
Mock <IOptions <Settings> > mockSettings = new Mock <IOptions <Settings> >();
mockSettings.Setup(ap => ap.Value).Returns(new Settings
{
LifeCycleRange = 7,
});
CohortCalculationLogic calculationLogic =
new CohortCalculationLogic(mockSettings.Object);
//act
IEnumerable <CohortMember> result = calculationLogic
.GenerateCohortMembersBasedOnCustomerSignup(
mockOrders,
mockCustomers
);
//assert
Assert.Equal(4, result.Count());
Assert.Equal(1, result.First().CustomerId);
Assert.Equal(new DateTime(2015, 01, 01),
result.First().CohortDate);
}