diff --git a/apps/opencs_tests/CMakeLists.txt b/apps/opencs_tests/CMakeLists.txt
index 00d8d0177c..92b14b797f 100644
--- a/apps/opencs_tests/CMakeLists.txt
+++ b/apps/opencs_tests/CMakeLists.txt
@@ -1,5 +1,6 @@
 file(GLOB OPENCS_TESTS_SRC_FILES
     main.cpp
+    model/world/testinfocollection.cpp
 )
 
 source_group(apps\\openmw-cs-tests FILES ${OPENCS_TESTS_SRC_FILES})
diff --git a/apps/opencs_tests/model/world/testinfocollection.cpp b/apps/opencs_tests/model/world/testinfocollection.cpp
new file mode 100644
index 0000000000..9901266647
--- /dev/null
+++ b/apps/opencs_tests/model/world/testinfocollection.cpp
@@ -0,0 +1,122 @@
+#include "apps/opencs/model/world/infocollection.hpp"
+
+#include "components/esm3/esmreader.hpp"
+#include "components/esm3/esmwriter.hpp"
+#include "components/esm3/formatversion.hpp"
+#include "components/esm3/loaddial.hpp"
+#include "components/esm3/loadinfo.hpp"
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <array>
+#include <span>
+#include <sstream>
+
+namespace CSMWorld
+{
+    namespace
+    {
+        using namespace ::testing;
+
+        std::unique_ptr<std::stringstream> saveDialogueWithInfos(
+            const ESM::Dialogue& dialogue, std::span<const ESM::DialInfo> infos)
+        {
+            auto stream = std::make_unique<std::stringstream>();
+
+            ESM::ESMWriter writer;
+            writer.setFormatVersion(ESM::CurrentSaveGameFormatVersion);
+            writer.save(*stream);
+
+            writer.startRecord(ESM::REC_DIAL);
+            dialogue.save(writer);
+            writer.endRecord(ESM::REC_DIAL);
+
+            for (const ESM::DialInfo& info : infos)
+            {
+                writer.startRecord(ESM::REC_INFO);
+                info.save(writer);
+                writer.endRecord(ESM::REC_INFO);
+            }
+
+            return stream;
+        }
+
+        void loadDialogueWithInfos(bool base, std::unique_ptr<std::stringstream> stream, InfoCollection& infoCollection,
+            InfosByTopic& infosByTopic)
+        {
+            ESM::ESMReader reader;
+            reader.open(std::move(stream), "test");
+
+            ASSERT_TRUE(reader.hasMoreRecs());
+            ASSERT_EQ(reader.getRecName().toInt(), ESM::REC_DIAL);
+            reader.getRecHeader();
+            bool isDeleted;
+            ESM::Dialogue dialogue;
+            dialogue.load(reader, isDeleted);
+
+            while (reader.hasMoreRecs())
+            {
+                ASSERT_EQ(reader.getRecName().toInt(), ESM::REC_INFO);
+                reader.getRecHeader();
+                infoCollection.load(reader, base, dialogue, infosByTopic);
+            }
+        }
+
+        void saveAndLoadDialogueWithInfos(const ESM::Dialogue& dialogue, std::span<const ESM::DialInfo> infos,
+            bool base, InfoCollection& infoCollection, InfosByTopic& infosByTopic)
+        {
+            loadDialogueWithInfos(base, saveDialogueWithInfos(dialogue, infos), infoCollection, infosByTopic);
+        }
+
+        TEST(CSMWorldInfoCollectionTest, loadShouldAddRecord)
+        {
+            ESM::Dialogue dialogue;
+            dialogue.blank();
+            dialogue.mId = ESM::RefId::stringRefId("dialogue1");
+
+            ESM::DialInfo info;
+            info.blank();
+            info.mId = ESM::RefId::stringRefId("info1");
+
+            const bool base = true;
+            InfosByTopic infosByTopic;
+            InfoCollection collection;
+            saveAndLoadDialogueWithInfos(dialogue, std::array{ info }, base, collection, infosByTopic);
+
+            EXPECT_EQ(collection.getSize(), 1);
+            ASSERT_EQ(collection.searchId(ESM::RefId::stringRefId("dialogue1#info1")), 0);
+            const Record<Info>& record = collection.getRecord(0);
+            ASSERT_EQ(record.mState, RecordBase::State_BaseOnly);
+            EXPECT_EQ(record.mBase.mTopicId, dialogue.mId);
+            EXPECT_EQ(record.mBase.mOriginalId, info.mId);
+            EXPECT_EQ(record.mBase.mId, ESM::RefId::stringRefId("dialogue1#info1"));
+        }
+
+        TEST(CSMWorldInfoCollectionTest, loadShouldUpdateRecord)
+        {
+            ESM::Dialogue dialogue;
+            dialogue.blank();
+            dialogue.mId = ESM::RefId::stringRefId("dialogue1");
+
+            ESM::DialInfo info;
+            info.blank();
+            info.mId = ESM::RefId::stringRefId("info1");
+
+            const bool base = true;
+            InfosByTopic infosByTopic;
+            InfoCollection collection;
+            saveAndLoadDialogueWithInfos(dialogue, std::array{ info }, base, collection, infosByTopic);
+
+            ESM::DialInfo updatedInfo = info;
+            updatedInfo.mActor = ESM::RefId::stringRefId("newActor");
+
+            saveAndLoadDialogueWithInfos(dialogue, std::array{ updatedInfo }, base, collection, infosByTopic);
+
+            ASSERT_EQ(collection.searchId(ESM::RefId::stringRefId("dialogue1#info1")), 0);
+            const Record<Info>& record = collection.getRecord(0);
+            ASSERT_EQ(record.mState, RecordBase::State_BaseOnly);
+            EXPECT_EQ(record.mBase.mActor, ESM::RefId::stringRefId("newActor"));
+        }
+    }
+}