EntityFrameworkCore.Jet/test/EFCore.Jet.FunctionalTests/Query/SimpleQueryJetTest.KeylessEntities.cs

// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System.Threading.Tasks;
using EntityFrameworkCore.Jet.FunctionalTests.TestUtilities;
using Xunit;

namespace EntityFrameworkCore.Jet.FunctionalTests.Query
{
    public partial class SimpleQueryJetTest
    {
        [ConditionalTheory]
        public override async Task KeylessEntity_simple(bool isAsync)
        {
            await base.KeylessEntity_simple(isAsync);

            AssertSql(
                $@"SELECT `c`.`CustomerID` + '' as `CustomerID`, `c`.`Address`, `c`.`City`, `c`.`CompanyName`, `c`.`ContactName`, `c`.`ContactTitle`, `c`.`Country`, `c`.`Fax`, `c`.`Phone`, `c`.`PostalCode`, `c`.`Region` FROM `Customers` AS `c`");
        }

        [ConditionalTheory]
        public override async Task KeylessEntity_where_simple(bool isAsync)
        {
            await base.KeylessEntity_where_simple(isAsync);

            AssertSql(
                $@"SELECT `c`.`Address`, `c`.`City`, `c`.`CompanyName`, `c`.`ContactName`, `c`.`ContactTitle`
FROM (
    SELECT `c`.`CustomerID` + '' as `CustomerID`, `c`.`Address`, `c`.`City`, `c`.`CompanyName`, `c`.`ContactName`, `c`.`ContactTitle`, `c`.`Country`, `c`.`Fax`, `c`.`Phone`, `c`.`PostalCode`, `c`.`Region` FROM `Customers` AS `c`
) AS `c`
WHERE `c`.`City` = 'London'");
        }

        public override void KeylessEntity_by_database_view()
        {
            base.KeylessEntity_by_database_view();

            // See issue#17804
            // when we have defining query and ToView, defining query wins
            //            AssertSql(
            //                $@"SELECT `a`.`CategoryName`, `a`.`ProductID`, `a`.`ProductName`
            //FROM `Alphabetical list of products` AS `a`");
            AssertSql(
                $@"SELECT `p`.`ProductID`, `p`.`ProductName`, 'Food' AS `CategoryName`
FROM `Products` AS `p`
WHERE `p`.`Discontinued` <> True");
        }

        public override void KeylessEntity_with_nav_defining_query()
        {
            base.KeylessEntity_with_nav_defining_query();

            AssertSql(
                $@"{AssertSqlHelper.Declaration("@__ef_filter___searchTerm_0='A' (Size = 4000)")}

{AssertSqlHelper.Declaration("@__ef_filter___searchTerm_1='A' (Size = 4000)")}

SELECT `c`.`CompanyName`, (
    SELECT COUNT(*)
    FROM `Orders` AS `o`
    WHERE `c`.`CustomerID` = `o`.`CustomerID`) AS `OrderCount`, {AssertSqlHelper.Parameter("@__ef_filter___searchTerm_0")} AS `SearchTerm`
FROM `Customers` AS `c`
WHERE (({AssertSqlHelper.Parameter("@__ef_filter___searchTerm_1")} = '') OR (`c`.`CompanyName` IS NOT NULL AND (LEFT(`c`.`CompanyName`, LEN({AssertSqlHelper.Parameter("@__ef_filter___searchTerm_1")})) = {AssertSqlHelper.Parameter("@__ef_filter___searchTerm_1")}))) AND ((
    SELECT COUNT(*)
    FROM `Orders` AS `o`
    WHERE `c`.`CustomerID` = `o`.`CustomerID`) > 0)");
        }

        public override async Task KeylessEntity_with_mixed_tracking(bool isAsync)
        {
            await base.KeylessEntity_with_mixed_tracking(isAsync);

            AssertSql(
                $@"SELECT `c`.`CustomerID`, `c`.`Address`, `c`.`City`, `c`.`CompanyName`, `c`.`ContactName`, `c`.`ContactTitle`, `c`.`Country`, `c`.`Fax`, `c`.`Phone`, `c`.`PostalCode`, `c`.`Region`, `o`.`CustomerID`
FROM `Customers` AS `c`
INNER JOIN (
    select * from ""Orders""
) AS `o` ON `c`.`CustomerID` = `o`.`CustomerID`");
        }

        public override async Task KeylessEntity_with_defining_query(bool isAsync)
        {
            await base.KeylessEntity_with_defining_query(isAsync);

            AssertSql(
                $@"SELECT `o`.`CustomerID`
FROM (
    select * from ""Orders""
) AS `o`
WHERE `o`.`CustomerID` = 'ALFKI'");
        }

        public override async Task KeylessEntity_with_defining_query_and_correlated_collection(bool isAsync)
        {
            await base.KeylessEntity_with_defining_query_and_correlated_collection(isAsync);

            AssertSql(
                $@"SELECT `o`.`OrderID`, `o0`.`OrderID`, `o0`.`CustomerID`, `o0`.`EmployeeID`, `o0`.`OrderDate`
FROM (
    select * from ""Orders""
) AS `o`
LEFT JOIN `Customers` AS `c` ON `o`.`CustomerID` = `c`.`CustomerID`
LEFT JOIN `Orders` AS `o0` ON `c`.`CustomerID` = `o0`.`CustomerID`
WHERE `o`.`CustomerID` = 'ALFKI'
ORDER BY `c`.`CustomerID`, `o`.`OrderID`, `o0`.`OrderID`");
        }

        public override async Task KeylessEntity_select_where_navigation(bool isAsync)
        {
            await base.KeylessEntity_select_where_navigation(isAsync);

            AssertSql(
                $@"SELECT `o`.`CustomerID`
FROM (
    select * from ""Orders""
) AS `o`
LEFT JOIN `Customers` AS `c` ON `o`.`CustomerID` = `c`.`CustomerID`
WHERE `c`.`City` = 'Seattle'");
        }

        public override async Task KeylessEntity_select_where_navigation_multi_level(bool isAsync)
        {
            await base.KeylessEntity_select_where_navigation_multi_level(isAsync);

            AssertSql(
                $@"SELECT `o`.`CustomerID`
FROM (
    select * from ""Orders""
) AS `o`
LEFT JOIN `Customers` AS `c` ON `o`.`CustomerID` = `c`.`CustomerID`
WHERE EXISTS (
    SELECT 1
    FROM `Orders` AS `o0`
    WHERE `c`.`CustomerID` IS NOT NULL AND (`c`.`CustomerID` = `o0`.`CustomerID`))");
        }

        [ConditionalFact]
        public override void Auto_initialized_view_set()
        {
            base.Auto_initialized_view_set();

            AssertSql(
                $@"SELECT `c`.`CustomerID` + '' as `CustomerID`, `c`.`Address`, `c`.`City`, `c`.`CompanyName`, `c`.`ContactName`, `c`.`ContactTitle`, `c`.`Country`, `c`.`Fax`, `c`.`Phone`, `c`.`PostalCode`, `c`.`Region` FROM `Customers` AS `c`");
        }
    }
}