chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
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+/*
+ * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
+ * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+*/
+
+using System;
+using System.IO;
+using ICSharpCode.SharpZipLib.Zip;
+using NUnit.Framework;
+using QuantConnect.Data;
+using QuantConnect.Interfaces;
+using QuantConnect.Util;
+
+namespace QuantConnect.Tests.Engine.DataCacheProviders
+{
+    [TestFixture]
+    public class DiskDataCacheProviderTests : DataCacheProviderTests
+    {
+        public override IDataCacheProvider CreateDataCacheProvider()
+        {
+            return new DiskDataCacheProvider();
+        }
+
+        [Test]
+        public void WriteTest()
+        {
+            var entryName = "testEntry.csv";
+            var filePath = Path.GetTempFileName().Replace(".tmp", ".zip", StringComparison.InvariantCulture);
+            var key = filePath + "#" + entryName;
+
+            var random = new Random();
+            var data = new byte[10];
+            random.NextBytes(data);
+
+            // Write this data to our entry in the temp zip
+            DataCacheProvider.Store(key, data);
+
+            // Verify it exists
+            Assert.IsTrue(File.Exists(filePath));
+
+            // Open the file are verify we have the expected results
+            using var zip = new ZipFile(filePath);
+            Assert.AreEqual(1, zip.Count);
+            Assert.IsNotNull(zip.GetEntry(entryName));
+        }
+
+        [Test]
+        public void OverrideEntry()
+        {
+            var entryName = "testEntry.csv";
+            var filePath = Path.GetTempFileName().Replace(".tmp", ".zip", StringComparison.InvariantCulture);
+            var key = filePath + "#" + entryName;
+
+            var random = new Random();
+            var data = new byte[10];
+            random.NextBytes(data);
+
+            // Write this data to our entry in the temp zip
+            DataCacheProvider.Store(key, data);
+
+            // Verify it exists
+            Assert.IsTrue(File.Exists(filePath));
+
+            random = new Random();
+            data = new byte[10];
+            random.NextBytes(data);
+
+            // Write this data to our entry in the temp zip
+            DataCacheProvider.Store(key, data);
+        }
+    }
+}