SERVER-49226 Create unittest fixture for SBE PlanStages

1 files changed, 76 insertions, 0 deletions

diff --git a/src/mongo/db/exec/sbe/sbe_sort_test.cpp b/src/mongo/db/exec/sbe/sbe_sort_test.cpp
new file mode 100644
index 00000000000..6189f3c1e88
--- /dev/null
+++ b/src/mongo/db/exec/sbe/sbe_sort_test.cpp
@@ -0,0 +1,76 @@
+/**
+ *    Copyright (C) 2018-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+/**
+ * This file contains tests for sbe::SortStage.
+ */
+
+#include "mongo/platform/basic.h"
+
+#include <string_view>
+
+#include "mongo/db/exec/sbe/sbe_plan_stage_test.h"
+#include "mongo/db/exec/sbe/stages/sort.h"
+
+namespace mongo::sbe {
+
+using SortStageTest = PlanStageTestFixture;
+
+TEST_F(SortStageTest, SortNumbersTest) {
+    auto [inputTag, inputVal] = makeValue(
+        BSON_ARRAY(BSON_ARRAY(12LL << "A") << BSON_ARRAY(2.5 << "B") << BSON_ARRAY(7 << "C")
+                                           << BSON_ARRAY(Decimal128(4) << "D")));
+    value::ValueGuard inputGuard{inputTag, inputVal};
+
+    auto [expectedTag, expectedVal] = makeValue(
+        BSON_ARRAY(BSON_ARRAY(2.5 << "B") << BSON_ARRAY(Decimal128(4) << "D")
+                                          << BSON_ARRAY(7 << "C") << BSON_ARRAY(12LL << "A")));
+    value::ValueGuard expectedGuard{expectedTag, expectedVal};
+
+    auto makeStageFn = [](value::SlotVector scanSlots, std::unique_ptr<PlanStage> scanStage) {
+        // Create a SortStage that sorts by slot0 in ascending order.
+        auto sortStage =
+            makeS<SortStage>(std::move(scanStage),
+                             makeSV(scanSlots[0]),
+                             std::vector<value::SortDirection>{value::SortDirection::Ascending},
+                             makeSV(scanSlots[1]),
+                             std::numeric_limits<std::size_t>::max(),
+                             204857600,
+                             false,
+                             nullptr);
+
+        return std::make_pair(scanSlots, std::move(sortStage));
+    };
+
+    inputGuard.reset();
+    expectedGuard.reset();
+    runTestMulti(2, inputTag, inputVal, expectedTag, expectedVal, makeStageFn);
+}
+
+}  // namespace mongo::sbe