public void MissingColumnsAreAddedToDifferences()
{
//Arrange
var table1 = _om.Make <SnapshotObjectMother.Table>(1, 2, 3, 4, 5);
var table2 = _om.Make <SnapshotObjectMother.Table2>(1, 2, 3, 4, 5);
var refTable1 = _om.Make <SnapshotObjectMother.ReferencingTable>((1, 1), (2, 1));
var refTable2 = _om.Make <SnapshotObjectMother.ReferencingTable2>((1, 3), (2, 4));
void TakeSnapshot(string name)
{
var builder = _om.NewSnapshot(name);
table1.ToSnapshotTable(builder);
table2.ToSnapshotTable(builder);
refTable1.ToSnapshotTable(builder);
refTable2.ToSnapshotTable(builder);
}
foreach (var item in table2)
{
item.OtherVariable = $"other {item.Id}";
}
TakeSnapshot("Before");
table1[0].Variable = "edited";
table2[1].Variable = "edited";
refTable1[0].Variable = "edited";
refTable1[1].ParentId = 3; //will required table1 row with key of 3 and also 2 because that is the before
refTable2[0].Variable = "edited";
refTable2[1].ParentId = 5; //will required table2 row with key of 5 but not 2 (the before) because it is edited and therefore already present
TakeSnapshot("After");
var before = _om.GetSnapshot("Before");
var after = _om.GetSnapshot("After");
var diffs = SnapshotDifferenceCalculator.GetDifferences(_om.Collection, before, after);
//Act
var tableDefinition = _om.Collection.GetTableDefinition(nameof(SnapshotObjectMother.Table2));
var requiredColumns = new [] { nameof(SnapshotObjectMother.Table2.OtherVariable) };
var result = DifferenceColumnAdder.RequireColumns(_om.Collection, diffs, tableDefinition, requiredColumns, before);
//Assert
var output = new Output();
result.Report(output);
output.Report.Verify();
}
public void IfThereAreNoMissingColumnsTheOriginalDiffsAreReturned()
{
//Arrange
var table1 = _om.Make <SnapshotObjectMother.Table>(1, 2, 3, 4, 5);
var table2 = _om.Make <SnapshotObjectMother.Table2>(1, 2, 3, 4, 5);
var refTable1 = _om.Make <SnapshotObjectMother.ReferencingTable>((1, 1), (2, 1));
var refTable2 = _om.Make <SnapshotObjectMother.ReferencingTable2>((1, 3), (2, 4));
void TakeSnapshot(string name)
{
var builder = _om.NewSnapshot(name);
table1.ToSnapshotTable(builder);
table2.ToSnapshotTable(builder);
refTable1.ToSnapshotTable(builder);
refTable2.ToSnapshotTable(builder);
}
foreach (var item in table2)
{
item.OtherVariable = $"other {item.Id}";
}
TakeSnapshot("Before");
table1[0].Variable = "edited";
table2[1].Variable = "edited";
TakeSnapshot("After");
var before = _om.GetSnapshot("Before");
var after = _om.GetSnapshot("After");
var diffs = SnapshotDifferenceCalculator.GetDifferences(_om.Collection, before, after);
//Act
var tableDefinition = _om.Collection.GetTableDefinition(nameof(SnapshotObjectMother.Table2));
var requiredColumns = new [] { nameof(SnapshotObjectMother.Table2.OtherVariable) };
var result = DifferenceColumnAdder.RequireColumns(_om.Collection, diffs, tableDefinition, new List <string>(), before);
//Assert
var zipped = result.SelectMany(r => r.RowDifferences).Zip(diffs.SelectMany(d => d.RowDifferences));
zipped.All(z => ReferenceEquals(z.First, z.Second))
.Should().BeTrue();
}
