public void DateDiagnosticsAreReported()
{
//Arrange
var collection = new SnapshotCollection();
var beforeDates = new[]
{
DateTime.Parse("2020-10-11 10:35"),
DateTime.Parse("2020-10-11 10:36"),
DateTime.Parse("2020-10-11 10:37"),
DateTime.Parse("2020-10-11 10:38"),
};
var afterDates = new[]
{
DateTime.Parse("2020-10-11 10:35"),
DateTime.Parse("2020-10-11 10:36"),
DateTime.Parse("2020-10-11 10:39"),
DateTime.Parse("2020-10-11 10:40"),
DateTime.Parse("2020-10-11 10:41"),
};
var beforeBuilder = collection.NewSnapshot("before");
collection.DefineTable("Dates").PrimaryKey("Key").IsUnpredictable("Date");
beforeDates.Select((bd, ix) => new { Key = ix, Date = bd, Other = "o", OtherDate = DateTime.MinValue }).ToSnapshotTable(beforeBuilder, "Dates");
var deleteRow = beforeBuilder.AddNewRow("Dates");
deleteRow["Key"] = 100;
deleteRow["Date"] = DateTime.Parse("2020-10-18 11:19");
deleteRow["Other"] = "o";
deleteRow["OtherDate"] = DateTime.MinValue;
var afterBuilder = collection.NewSnapshot("after");
afterDates.Select((bd, ix) => new { Key = ix, Date = bd, Other = "a", OtherDate = DateTime.MaxValue }).ToSnapshotTable(afterBuilder, "Dates");
var before = collection.GetSnapshot("before");
var after = collection.GetSnapshot("after");
var differences = SnapshotDifferenceAnalyser.ExtractDifferences(collection, before, after);
var output = new Output();
//Act
var ranges = new List <NamedTimeRange>
{
new NamedTimeRange(beforeDates[0], beforeDates[3], "before"),
new NamedTimeRange(afterDates[2], afterDates[3], "after"),
};
DateDiagnosticReporter.Report(output, ranges, before, after, differences);
//Assert
output.Report.Verify();
}
public void SnapshotHasTimestamp()
{
//Arrange
_collection.NewSnapshot("Test");
//Act
var snapshot = _collection.GetSnapshot("Test");
//Assert
snapshot.SnapshotTimestamp.Should().BeAfter(DateTime.MinValue);
}
public void SubstitutionsCanBeDisabledInDiffReports()
{
//Arrange
var snapshots = new SnapshotCollection();
snapshots.DefineTable("Customer")
.PrimaryKey("Id")
.CompareKey("Surname")
.IsUnpredictable("Id");
snapshots.DefineTable("Address")
.PrimaryKey("AddressId")
.IsUnpredictable("AddressId")
.IsReference("CustomerId", "Customer", "Id");
var customers = new[]
{
new { Id = 1, Surname = "S1", FirstName = "F1", Age = 40 },
new { Id = 2, Surname = "S2", FirstName = "F2", Age = 45 },
new { Id = 3, Surname = "S3", FirstName = "F3", Age = 50 },
};
var addresses = new[]
{
new { AddressId = 102, CustomerId = 1, House = 15, Street = "Line 1", PostCode = "code1" },
new { AddressId = 193, CustomerId = 2, House = 99, Street = "Line 2", PostCode = "code2" },
new { AddressId = 6985, CustomerId = 3, House = 8000, Street = "Line 3", PostCode = "code3" }
};
{
var builder = snapshots.NewSnapshot("Before");
customers.ToSnapshotTable(builder, "Customer");
addresses.ToSnapshotTable(builder, "Address");
}
customers[1] = new { Id = 2, Surname = "S2", FirstName = "F2Edited", Age = 32 };
addresses[2] = new { AddressId = 6985, CustomerId = 2, House = 8001, Street = "Line 3", PostCode = "code3" };
{
var builder2 = snapshots.NewSnapshot("After");
customers.ToSnapshotTable(builder2, "Customer");
addresses.ToSnapshotTable(builder2, "Address");
}
//Act/Assert
var output = new Output();
snapshots.ReportChanges("Before", "After", output, ChangeReportOptions.NoSubs);
output.Report.Verify();
}
public void SubstitutionsCanBeSuppressed()
{
//Arrange
var collection = new SnapshotCollection();
collection.DefineTable("TheTable")
.PrimaryKey("Id")
.IsUnpredictable("Id");
void AddRow(SnapshotBuilder snapshot, int id, string name)
{
var add = snapshot.AddNewRow("TheTable");
add["Id"] = id;
add["Name"] = name;
}
void AddData(SnapshotBuilder snapshot, string names)
{
var id = 1;
foreach (var name in names.Split(','))
{
AddRow(snapshot, id++, name);
}
}
var beforeBuilder = collection.NewSnapshot("Before");
AddData(beforeBuilder, "A,B,C");
var afterBuilder = collection.NewSnapshot("After");
AddData(afterBuilder, "D,E,F");
var before = collection.GetSnapshot("Before");
var after = collection.GetSnapshot("After");
var diffs = SnapshotDifferenceAnalyser.ExtractDifferences(collection, before, after, ChangeReportOptions.NoSubs);
//Act
var result = SnapshotDifferenceSorter.SortDifferences(collection, diffs.TableDifferences.ToList());
//Assert
var output = new Output();
result.Report(output);
output.Report.Verify();
}
public void SetUp()
{
_collection = new SnapshotCollection();
_collection.DefineTable(TableName).PrimaryKey(IdCol).PrimaryKey(NameCol);
_tableDef = _collection.GetTableDefinition(TableName);
_snapshotBuilder = _collection.NewSnapshot("Test");
}
public void SetUp()
{
_collection = new SnapshotCollection();
_collection.DefineTable("Test").CompareKey("Key");
_snapshot = _collection.NewSnapshot("TestSnapshot");
_row = _snapshot.AddNewRow("Test");
}
public void SnapshotRowsInMissingTablesAreNull()
{
//Arrange
var snapshots = new SnapshotCollection(GetType(), t => t != typeof(Snapshots.TestDefinitions.TableDef));
snapshots.DefineTable("Customer")
.PrimaryKey("Id")
.CompareKey("Surname")
.IsUnpredictable("Id");
var builder = snapshots.NewSnapshot("Before");
var rowBuilder = builder.AddNewRow("Customer");
rowBuilder["Id"] = 1;
rowBuilder["Surname"] = "surname";
var snapshot = snapshots.GetSnapshot("Before");
//Act
var row = snapshot.Rows("Customer").First();
var result = snapshot.GetRow(new SnapshotRowKey(row, snapshots.GetTableDefinition("Customer")), "Wrong");
//Assert
result.Should().BeNull();
}
public void ReportChangesThrowsWhenAfterSnapshotNotPresent()
{
//Arrange/Act
var snapshots = new SnapshotCollection(GetType(), t => t != typeof(Snapshots.TestDefinitions.TableDef));
snapshots.DefineTable("Customer")
.PrimaryKey("Id")
.CompareKey("Surname")
.IsUnpredictable("Id");
var customers = new[]
{
new { Id = 1, Surname = "S1", FirstName = "F1", Age = 40 },
};
var builder = snapshots.NewSnapshot("Before");
customers.ToSnapshotTable(builder, "Customer");
var output = new Output();
//Assert
Action action = () => snapshots.ReportChanges("Before", "After", output);
action.Should().Throw <SnapshotNotFoundException>().Where(x => x.SnapshotName == "After");
}
internal TestData()
{
_collection = new SnapshotCollection();
Definer = _collection.DefineTable(TableName);
Builder = _collection.NewSnapshot("Test");
Snapshot = _collection.GetSnapshot("Test");
NewRow();
}
public void DifferenceDataIsSortedDescending()
{
//Arrange
var collection = new SnapshotCollection();
collection.DefineTable("TheTable").PrimaryKey("Id").SortDescending("Name");
void AddRow(SnapshotBuilder snapshot, int id, string name)
{
var add = snapshot.AddNewRow("TheTable");
add["Id"] = id;
add["Name"] = name;
}
var beforeBuilder = collection.NewSnapshot("Before");
AddRow(beforeBuilder, 1, "Alice");
AddRow(beforeBuilder, 2, "Xavier");
AddRow(beforeBuilder, 3, "Zed");
var afterBuilder = collection.NewSnapshot("After");
AddRow(afterBuilder, 1, "Alice+");
AddRow(afterBuilder, 2, "Xavier+");
AddRow(afterBuilder, 3, "Zed+");
var before = collection.GetSnapshot("Before");
var after = collection.GetSnapshot("After");
var diffs = SnapshotDifferenceAnalyser.ExtractDifferences(collection, before, after);
//Act
var result = SnapshotDifferenceSorter.SortDifferences(collection, diffs.TableDifferences.ToList());
//Assert
var output = new Output();
result.Report(output);
output.Report.Verify();
}
public void CollectionsCanBePlacedInSnapshots()
{
//Arrange
var data = new[]
{
new { A = 1, B = "Bee", C = 5.5 },
new { A = 2, B = "Cee", C = 6.6 },
new { A = 3, B = "Dee", C = 7.7 },
new { A = 4, B = "Eee", C = 8.8 },
new { A = 5, B = "Eff", C = 9.9 },
};
var snapshot = _collection.NewSnapshot("Test");
//Act
data.ToSnapshotTable(snapshot, "Data");
//Assert
var output = new Output();
_collection.GetSnapshot("Test").ReportContents(output);
output.Report.Verify();
}
public SnapshotBuilder Snapshot(string snapshotName, SnapshotOptions snapshotOpts = SnapshotOptions.Default)
{
lock (_lock)
{
ConfigureCollection();
var builder = _collection.NewSnapshot(snapshotName);
if ((snapshotOpts & SnapshotOptions.NoAutoSnapshot) == 0)
{
DbSnapshotMaker.Make(_connectionString, builder, _schemas.Values, _collection);
}
_snapshotTaken = true;
return(builder);
}
}
private Snapshot MakeSnapshot(string name, int startRow = 1, int numRows = 10, IEnumerable <object[]> rowValues = null)
{
var rowValuesList = rowValues?.ToList() ?? new List <object[]>();
var builder = _collection.NewSnapshot(name);
for (var n = startRow; n < startRow + numRows; n++)
{
var cpRow = builder.AddNewRow(TableName);
var values = n - startRow < rowValuesList.Count ? rowValuesList[n - startRow] : null;
PopulateRow(n, cpRow, values);
}
return(_collection.GetSnapshot(name));
}
public void GetSnapshotReturnsTheRequestedSnapshot()
{
//Arrange/Act
var snapshots = new SnapshotCollection(GetType(), t => t != typeof(Snapshots.TestDefinitions.TableDef));
snapshots.DefineTable("Customer")
.PrimaryKey("Id")
.CompareKey("Surname")
.IsUnpredictable("Id");
var builder = snapshots.NewSnapshot("Before");
//Assert
snapshots.GetSnapshot("Before").Name.Should().Be("Before");
}
public void SetUp()
{
_collection = new SnapshotCollection();
_collection.DefineTable(TestTableName).CompareKey("Id");
_table = _collection.GetTableDefinition(TestTableName);
_snapshot = _collection.NewSnapshot("Test");
//Borrow a column config so that we can test with it.
void ExtractColumnDefForTest(ColumnConfig config)
{
_cc = config;
}
var report = new[] { "T" }.AsReport(rep => rep.AddColumn(t => t, ExtractColumnDefForTest));
}
public void SnapshotThrowsWhenUndefinedTableUsed()
{
//Arrange/Act
var snapshots = new SnapshotCollection(GetType(), t => t != typeof(Snapshots.TestDefinitions.TableDef));
snapshots.DefineTable("Customer")
.PrimaryKey("Id")
.CompareKey("Surname")
.IsUnpredictable("Id");
var builder = snapshots.NewSnapshot("Before");
//Assert
Action action = () => builder.AddNewRow("Wrong");
action.Should().Throw <UndefinedTableInSnapshotException>().Where(x => x.TableName == "Wrong");
}
public void SetUp()
{
_collection = new SnapshotCollection();
_collection.DefineTable(CompareKeyTableName).CompareKey(NameCol).PrimaryKey(IdCol);
_collection.DefineTable(PrimaryKeyTableName).PrimaryKey(IdCol);
_collection.DefineTable(CompoundKeyTableName).PrimaryKey(IdCol).PrimaryKey(NameCol);
var builder = _collection.NewSnapshot("Test");
for (var n = 1; n <= 10; n++)
{
var ckRow = builder.AddNewRow(CompareKeyTableName);
var pkRow = builder.AddNewRow(PrimaryKeyTableName);
var cpRow = builder.AddNewRow(CompoundKeyTableName);
PopulateRows(n, ckRow, pkRow, cpRow);
}
_snapshot = _collection.GetSnapshot("Test");
}
public void TableContentsAreAddedToSnapshot()
{
//Arrange
var collection = new SnapshotCollection();
var schema = SchemaStructureLoader.Load(DbController.Server, DbController.TestDbName, "Test");
var builder = collection.NewSnapshot("Test");
SnapshotTableDefiner.Define(collection, schema);
//Act
DbSnapshotMaker.Make(DbController.ConnectionString, builder, new [] { schema }, collection);
//Assert
var output = new Output();
collection.GetSnapshotReport("Test", output);
output.Report.Verify();
}
public void CustomWhereClauseIsLoadedFromDefinition()
{
//Arrange
var collection = new SnapshotCollection();
var schema = SchemaStructureLoader.Load(DbController.Server, DbController.TestDbName, "Test");
var builder = collection.NewSnapshot("Test");
SnapshotTableDefiner.Define(collection, schema);
var definitions = SnapshotDefinitionLoader.Load(GetType());
collection.ApplyDefinitions(definitions);
//Act
DbSnapshotMaker.Make(DbController.ConnectionString, builder, new [] { schema }, collection);
//Assert
var output = new Output();
collection.GetSnapshotReport("Test", output);
output.Report.Verify();
}
public void ExcludedColumnsAreNotAddedToSnapshot()
{
//Arrange
var collection = new SnapshotCollection();
var schema = SchemaStructureLoader.Load(DbController.Server, DbController.TestDbName, "Test");
var builder = collection.NewSnapshot("Test");
SnapshotTableDefiner.Define(collection, schema);
collection.DefineTable("[Test].[B_Related]").Exclude("Name");
//Act
DbSnapshotMaker.Make(DbController.ConnectionString, builder, new [] { schema }, collection);
//Assert
var output = new Output();
output.WrapLine("The Name column should not be present in [Test].[B_Related] below:");
output.WriteLine();
collection.GetSnapshotReport("Test", output);
output.Report.Verify();
}
public void SelectedSnapshotContentsCanBeReported()
{
//Arrange
var snapshots = new SnapshotCollection();
snapshots.DefineTable("Customer")
.PrimaryKey("Id")
.CompareKey("Surname")
.IsUnpredictable("Id");
snapshots.DefineTable("Address")
.PrimaryKey("AddressId")
.IsUnpredictable("AddressId")
.IsReference("CustomerId", "Customer", "Id");
var customers = new[]
{
new { Id = 1, Surname = "S1", FirstName = "F1", Age = 40 },
new { Id = 2, Surname = "S2", FirstName = "F2", Age = 45 },
new { Id = 3, Surname = "S3", FirstName = "F3", Age = 50 },
};
var addresses = new[]
{
new { AddressId = 102, CustomerId = 1, House = 15, Street = "Line 1", PostCode = "code1" },
new { AddressId = 193, CustomerId = 2, House = 99, Street = "Line 2", PostCode = "code2" },
new { AddressId = 6985, CustomerId = 3, House = 8000, Street = "Line 3", PostCode = "code3" }
};
{
var builder = snapshots.NewSnapshot("Before");
customers.ToSnapshotTable(builder, "Customer");
addresses.ToSnapshotTable(builder, "Address");
}
//Act/Assert
var output = new Output();
snapshots.GetSnapshotReport("Before", output, "Address");
output.Report.Verify();
}
public void DifferenceDataIsSortedByMultipleColumns()
{
//Arrange
var collection = new SnapshotCollection();
collection.DefineTable("TheTable")
.PrimaryKey("Id")
.Sort("ColAsc1")
.SortDescending("ColDesc1")
.Sort("ColAsc2")
.SortDescending("ColDesc2");
void AddRow(SnapshotBuilder snapshot, int id, string asc1, string desc1, string asc2, string desc2)
{
var add = snapshot.AddNewRow("TheTable");
add["Id"] = id;
add["ColAsc1"] = asc1;
add["ColDesc1"] = desc1;
add["ColAsc2"] = asc2;
add["ColDesc2"] = desc2;
}
void AddData(SnapshotBuilder snapshot, string ascData, string descData)
{
var id = 1;
foreach (var colAsc1 in ascData.Split(','))
{
foreach (var colDesc1 in descData.Split(','))
{
foreach (var colAsc2 in ascData.Split(','))
{
foreach (var colDesc2 in descData.Split(','))
{
AddRow(snapshot, id++, colAsc1, colDesc1, colAsc2, colDesc2);
}
}
}
}
}
var beforeBuilder = collection.NewSnapshot("Before");
AddData(beforeBuilder, "A,B,C", "C,B,A");
var afterBuilder = collection.NewSnapshot("After");
AddData(afterBuilder, "A+,B+,C+", "C+,B+,A+");
var before = collection.GetSnapshot("Before");
var after = collection.GetSnapshot("After");
var diffs = SnapshotDifferenceAnalyser.ExtractDifferences(collection, before, after);
//Act
var result = SnapshotDifferenceSorter.SortDifferences(collection, diffs.TableDifferences.ToList());
//Assert
var output = new Output();
result.Report(output);
output.Report.Verify();
}
