public void ReferenceIdValuesAreReplacedInDiff()
{
var table1 = _om.Make <SnapshotObjectMother.Table>(1, 2, 3, 4, 5);
var refTable1 = _om.Make <SnapshotObjectMother.ReferencingTable>((1, 1), (2, 1));
void TakeSnapshot(string name)
{
var builder = _om.NewSnapshot(name);
table1.ToSnapshotTable(builder);
refTable1.ToSnapshotTable(builder);
}
TakeSnapshot("Before");
refTable1[0].Variable = "edited";
refTable1[1].Variable = "edited";
refTable1[0].ParentId = table1[3].Id;
refTable1[1].ParentId = table1[4].Id;
table1[0].Variable = "edited";
table1[1].Variable = "edited";
TakeSnapshot("After");
var before = _om.GetSnapshot("Before");
var after = _om.GetSnapshot("After");
var diffs = DifferenceRegulator.ExpandDifferences(_om.Collection, SnapshotDifferenceCalculator.GetDifferences(_om.Collection, before, after), before);
var cols = UnpredictableColumnLocator.Locate(_om.Collection.TablesInDefinitionOrder.ToList())
.Single(t => t.Table.TableName == nameof(SnapshotObjectMother.Unpredictables));
var columnValues = UnpredictableColumnLocator.Locate(diffs.Select(td => td.TableDefinition).ToList())
.SelectMany(u => UnpredictableValueScanner.Scan(u, diffs))
.ToList();
var substitutes = columnValues
.Select(uv => new SubstituteValues(uv, SubstitutionMaker.Make(uv.Values, TrackerMaker.Make(uv, _om.Collection))))
.ToList();
//Act
var result = DiffValueSubstituter.Substitute(diffs, substitutes);
//Assert
var output = new Output();
var originalFields = diffs.Single(d => d.TableDefinition.TableName == nameof(SnapshotObjectMother.ReferencingTable))
.RowDifferences.SelectMany(rd => rd.Differences.Differences);
var resultFields = result.Single(d => d.TableDefinition.TableName == nameof(SnapshotObjectMother.ReferencingTable))
.RowDifferences.SelectMany(rd => rd.Differences.Differences);
var combined = originalFields.Zip(resultFields,
(o, r) => new
{
o.Name, OriginalBefore = o.Before, OriginalAfter = o.After, SubstitutedBefore = r.Before,
SubstitutedAfter = r.After
}).OrderBy(o => o.Name);
output.FormatTable(combined);
output.Report.Verify();
}
public void ValuesAreReplacedInDiff()
{
//Arrange
var table1 = _om.Make <SnapshotObjectMother.Unpredictables>(Guid.Parse("14123F35-519B-4DB0-957C-B773BF5D3082"), Guid.Parse("BCC981FA-FE9A-4A28-87C0-469901D6683A"));
void TakeSnapshot(string name)
{
var builder = _om.NewSnapshot(name);
table1.ToSnapshotTable(builder);
}
table1[0].TimeStamp = DateTime.Parse("2020-07-18 08:45");
table1[0].Int = 100;
table1[1].TimeStamp = DateTime.Parse("2020-07-18 08:45");
table1[1].Int = 100;
TakeSnapshot("Before");
table1[0].TimeStamp = DateTime.Parse("2020-09-20 09:14:42");
table1[0].Int = 101;
table1[0].NullableInt = 100;
table1[1].TimeStamp = DateTime.Parse("2020-09-20 19:14:42");
TakeSnapshot("After");
var before = _om.GetSnapshot("Before");
var after = _om.GetSnapshot("After");
var diffs = SnapshotDifferenceCalculator.GetDifferences(_om.Collection, before, after);
var cols = UnpredictableColumnLocator.Locate(_om.Collection.TablesInDefinitionOrder.ToList())
.Single(t => t.Table.TableName == nameof(SnapshotObjectMother.Unpredictables));
var columnValues = UnpredictableColumnLocator.Locate(diffs.Select(td => td.TableDefinition).ToList())
.SelectMany(u => UnpredictableValueScanner.Scan(u, diffs))
.ToList();
var substitutes = columnValues
.Select(uv => new SubstituteValues(uv, SubstitutionMaker.Make(uv.Values, TrackerMaker.Make(uv, _om.Collection))))
.ToList();
//Act
var result = DiffValueSubstituter.Substitute(diffs, substitutes);
//Assert
var output = new Output();
var originalFields = diffs.Single(d => d.TableDefinition.TableName == nameof(SnapshotObjectMother.Unpredictables))
.RowDifferences.SelectMany(rd => rd.Differences.Differences);
var resultFields = result.Single(d => d.TableDefinition.TableName == nameof(SnapshotObjectMother.Unpredictables))
.RowDifferences.SelectMany(rd => rd.Differences.Differences);
var combined = originalFields.Zip(resultFields,
(o, r) => new
{
o.Name, OriginalBefore = o.Before, OriginalAfter = o.After, SubstitutedBefore = r.Before,
SubstitutedAfter = r.After
}).OrderBy(o => o.Name);
output.FormatTable(combined);
output.Report.Verify();
}