public void GivenAlteredColumn()
{
//arrange
DatabaseSchema schema1 = CreateSchema();
var productsTable = CreateProductsTable();
schema1.Tables.Add(productsTable);
var nameColumn = new DatabaseColumn { Name = "Name", DbDataType = "NVARCHAR", Length = 10, Nullable = false };
productsTable.Columns.Add(nameColumn);
DatabaseSchema schema2 = CreateSchema();
var productsTable2 = CreateProductsTable();
var nameColumn2 = new DatabaseColumn { Name = "Name", DbDataType = "NVARCHAR", Length = 20, Nullable = true };
productsTable2.Columns.Add(nameColumn2);
schema2.Tables.Add(productsTable2);
//act
var comparison = new CompareSchemas(schema1, schema2);
var result = comparison.ExecuteResult();
//assert
var alterColumn = result.FirstOrDefault(x =>
x.ResultType == ResultType.Change &&
x.SchemaObjectType == SchemaObjectType.Column &&
x.TableName == "Products" &&
x.Name == "Name");
Assert.IsNotNull(alterColumn);
}
public void GivenIdenticalSchemas()
{
//arrange
DatabaseSchema schema1 = CreateSchema();
DatabaseSchema schema2 = CreateSchema();
//act
var comparison = new CompareSchemas(schema1, schema2);
var result = comparison.ExecuteResult();
//assert
Assert.AreEqual(0, result.Count);
}
public void GivenDroppedTable()
{
//arrange
DatabaseSchema schema1 = CreateSchema();
schema1.Tables.Add(CreateProductsTable());
DatabaseSchema schema2 = CreateSchema();
//act
var comparison = new CompareSchemas(schema1, schema2);
var result = comparison.ExecuteResult();
//assert
var dropProducts = result.FirstOrDefault(x =>
x.ResultType == ResultType.Delete &&
x.SchemaObjectType == SchemaObjectType.Table &&
x.Name == "Products");
Assert.IsNotNull(dropProducts);
}
public void GivenDroppedUniqueConstraint()
{
//arrange
DatabaseSchema schema1 = CreateSchema();
DatabaseConstraint constraint = GetUniqueConstraint();
schema1.Tables[0].AddConstraint(constraint);
DatabaseSchema schema2 = CreateSchema();
//act
var comparison = new CompareSchemas(schema1, schema2);
var result = comparison.ExecuteResult();
//assert
var dropConstraint = result.FirstOrDefault(x =>
x.ResultType == ResultType.Delete &&
x.SchemaObjectType == SchemaObjectType.Constraint &&
x.TableName == "Orders" &&
x.Name == "UK_NAME");
Assert.IsNotNull(dropConstraint);
}
public void GivenUniqueConstraintWithChangedColumn()
{
//arrange
DatabaseSchema schema1 = CreateSchema();
DatabaseConstraint constraint = GetUniqueConstraint();
schema1.Tables[0].AddConstraint(constraint);
DatabaseSchema schema2 = CreateSchema();
DatabaseConstraint constraint2 = GetUniqueConstraint();
constraint2.Columns[0] = "Desc";
schema2.Tables[0].AddConstraint(constraint2);
//act
var comparison = new CompareSchemas(schema1, schema2);
var result = comparison.ExecuteResult();
//assert
var changeConstraint = result.FirstOrDefault(x =>
x.ResultType == ResultType.Change &&
x.SchemaObjectType == SchemaObjectType.Constraint &&
x.TableName == "Orders" &&
x.Name == "UK_NAME");
Assert.IsNotNull(changeConstraint);
}
public void GivenSameUniqueConstraint()
{
//arrange
DatabaseSchema schema1 = CreateSchema();
DatabaseConstraint constraint = GetUniqueConstraint();
schema1.Tables[0].AddConstraint(constraint);
DatabaseSchema schema2 = CreateSchema();
DatabaseConstraint constraint2 = GetUniqueConstraint();
schema2.Tables[0].AddConstraint(constraint2);
//act
var comparison = new CompareSchemas(schema1, schema2);
var result = comparison.ExecuteResult();
//assert
Assert.AreEqual(0, result.Count);
}