public void GenerateKeyGenratesKeyForExpression()
{
const string value = "7";
var expression = new[] { new { Value = "7" } }.AsQueryable().Where(i => i.Value.StartsWith(value));
var key = ExpressionKeyGenerator.GetKey(expression.Expression);
Assert.AreEqual(@"<>f__AnonymousType2`1[System.String][].Where(i => i.Value.StartsWith(""7""))", key);
}
public void GenerateKeyGenratesUniqueKeysForSameExpressionOnDifferentTablesInLinqToSql()
{
using (var context = new LinqToSqlContext(TestDatabase.ConnectionString))
{
var key1 = ExpressionKeyGenerator.GetKey(context.TestTable1s.Where(row => row.Column == "test").Expression);
var key2 = ExpressionKeyGenerator.GetKey(context.TestTable2s.Where(row => row.Column == "test").Expression);
Assert.AreNotEqual(key1, key2);
}
}
