New upstream version 6.0.20upstream

1 files changed, 170 insertions, 0 deletions

diff --git a/src/mongo/db/pipeline/document_source_query_stats_test.cpp b/src/mongo/db/pipeline/document_source_query_stats_test.cpp
new file mode 100644
index 00000000000..8d08c0f2bc2
--- /dev/null
+++ b/src/mongo/db/pipeline/document_source_query_stats_test.cpp
@@ -0,0 +1,170 @@
+/**
+ *    Copyright (C) 2022-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.
+ */
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/bson/bsontypes.h"
+#include "mongo/db/exec/document_value/document.h"
+#include "mongo/db/exec/document_value/document_value_test_util.h"
+#include "mongo/db/pipeline/aggregation_context_fixture.h"
+#include "mongo/db/pipeline/document_source_query_stats.h"
+#include "mongo/idl/server_parameter_test_util.h"
+#include "mongo/unittest/unittest.h"
+#include "mongo/util/str.h"
+
+namespace mongo {
+namespace {
+
+/**
+ * Subclass AggregationContextFixture to set the ExpressionContext's namespace to 'admin' with
+ * {aggregate: 1} by default, so that parsing tests other than those which validate the namespace do
+ * not need to explicitly set it.
+ */
+class DocumentSourceQueryStatsTest : public AggregationContextFixture {
+public:
+    DocumentSourceQueryStatsTest()
+        : AggregationContextFixture(NamespaceString::makeCollectionlessAggregateNSS("admin")) {}
+};
+
+TEST_F(DocumentSourceQueryStatsTest, ShouldFailToParseIfSpecIsNotObject) {
+    ASSERT_THROWS_CODE(DocumentSourceQueryStats::createFromBson(
+                           fromjson("{$queryStats: 1}").firstElement(), getExpCtx()),
+                       AssertionException,
+                       ErrorCodes::FailedToParse);
+}
+
+TEST_F(DocumentSourceQueryStatsTest, ShouldFailToParseIfNotRunOnAdmin) {
+    getExpCtx()->ns = NamespaceString::makeCollectionlessAggregateNSS("foo");
+    ASSERT_THROWS_CODE(DocumentSourceQueryStats::createFromBson(
+                           fromjson("{$queryStats: {}}").firstElement(), getExpCtx()),
+                       AssertionException,
+                       ErrorCodes::InvalidNamespace);
+}
+
+TEST_F(DocumentSourceQueryStatsTest, ShouldFailToParseIfNotRunWithAggregateOne) {
+    getExpCtx()->ns = NamespaceString("admin.foo");
+    ASSERT_THROWS_CODE(DocumentSourceQueryStats::createFromBson(
+                           fromjson("{$queryStats: {}}").firstElement(), getExpCtx()),
+                       AssertionException,
+                       ErrorCodes::InvalidNamespace);
+}
+
+TEST_F(DocumentSourceQueryStatsTest, ShouldFailToParseIfUnrecognisedParameterSpecified) {
+    ASSERT_THROWS_CODE(DocumentSourceQueryStats::createFromBson(
+                           fromjson("{$queryStats: {foo: true}}").firstElement(), getExpCtx()),
+                       AssertionException,
+                       40415);
+}
+
+TEST_F(DocumentSourceQueryStatsTest, ParseAndSerialize) {
+    const auto obj = fromjson("{$queryStats: {}}");
+    const auto doc = DocumentSourceQueryStats::createFromBson(obj.firstElement(), getExpCtx());
+    const auto queryStatsOp = static_cast<DocumentSourceQueryStats*>(doc.get());
+    const auto expected = Document{{"$queryStats", Document{}}};
+    const auto serialized = queryStatsOp->serialize().getDocument();
+    ASSERT_DOCUMENT_EQ(expected, serialized);
+
+    // Also make sure that we can parse out own serialization output.
+
+    ASSERT_DOES_NOT_THROW(
+        DocumentSourceQueryStats::createFromBson(serialized.toBson().firstElement(), getExpCtx()));
+}
+
+TEST_F(DocumentSourceQueryStatsTest, ParseAndSerializeShouldIncludeHmacKey) {
+    const auto obj = fromjson(R"({
+        $queryStats: {
+            transformIdentifiers: {
+                algorithm: "hmac-sha-256",
+                hmacKey: {
+                    $binary: "YW4gYXJiaXRyYXJ5IEhNQUNrZXkgZm9yIHRlc3Rpbmc=",
+                    $type: "08"
+                }
+            }
+        }
+    })");
+    const auto doc = DocumentSourceQueryStats::createFromBson(obj.firstElement(), getExpCtx());
+    const auto queryStatsOp = static_cast<DocumentSourceQueryStats*>(doc.get());
+    const auto expected =
+        Document{{"$queryStats",
+                  Document{{"transformIdentifiers",
+                            Document{{"algorithm", "hmac-sha-256"_sd},
+                                     {"hmacKey",
+                                      BSONBinData("an arbitrary HMACkey for testing",
+                                                  32,
+                                                  BinDataType::Sensitive)}}}}}};
+    const auto serialized = queryStatsOp->serialize().getDocument();
+    ASSERT_DOCUMENT_EQ(serialized, expected);
+
+    // Also make sure that we can parse out own serialization output.
+
+    ASSERT_DOES_NOT_THROW(
+        DocumentSourceQueryStats::createFromBson(serialized.toBson().firstElement(), getExpCtx()));
+}
+
+TEST_F(DocumentSourceQueryStatsTest, ShouldFailToParseIfAlgorithmIsNotSupported) {
+    auto obj = fromjson(R"({
+        $queryStats: {
+            transformIdentifiers: {
+                algorithm: "randomalgo"
+            }
+        }
+    })");
+    ASSERT_THROWS_CODE(DocumentSourceQueryStats::createFromBson(obj.firstElement(), getExpCtx()),
+                       AssertionException,
+                       ErrorCodes::BadValue);
+}
+
+TEST_F(DocumentSourceQueryStatsTest,
+       ShouldFailToParseIfTransformIdentifiersSpecifiedButEmptyAlgorithm) {
+    auto obj = fromjson(R"({
+        $queryStats: {
+            transformIdentifiers: {
+                algorithm: ""
+            }
+        }
+    })");
+    ASSERT_THROWS_CODE(DocumentSourceQueryStats::createFromBson(obj.firstElement(), getExpCtx()),
+                       AssertionException,
+                       ErrorCodes::BadValue);
+}
+
+TEST_F(DocumentSourceQueryStatsTest,
+       ShouldFailToParseIfTransformIdentifiersSpecifiedButNoAlgorithm) {
+    auto obj = fromjson(R"({
+        $queryStats: {
+            transformIdentifiers: {
+            }
+        }
+    })");
+    ASSERT_THROWS_CODE(DocumentSourceQueryStats::createFromBson(obj.firstElement(), getExpCtx()),
+                       AssertionException,
+                       40414);
+}
+}  // namespace
+}  // namespace mongo