92 lines
3.1 KiB
C#
92 lines
3.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using Paca.Mobile.Core;
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using Xunit;
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namespace Paca.Tests.Core;
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/// <summary>
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/// Gate 211 ~ 214: 스마트 중복 다운로드 방지 및 파일명 충돌 해소 엔진 기계적 검증
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/// </summary>
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public class SmartDeduplicationAndCollisionGateTests
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{
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[Fact]
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public void Gate211_Deduplication_Identifies_Same_Video_Id()
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{
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var existingLibrary = new List<DeduplicationRecord>
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{
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new("dQw4w9WgXcQ", "Rick Astley - Never Gonna Give You Up.mp4", "/media/rick.mp4", 50_000_000)
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};
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var engine = new MediaDeduplicationEngine(existingLibrary);
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// 다른 URL 형식이지만 동일한 YouTube 비디오 ID
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var result = engine.CheckDuplicate("https://youtu.be/dQw4w9WgXcQ?si=trackingToken");
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Assert.True(result.IsDuplicate);
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Assert.Equal("Rick Astley - Never Gonna Give You Up.mp4", result.ExistingFileName);
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Assert.True(result.CanReuseExisting);
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}
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[Fact]
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public void Gate212_Deduplication_Allows_New_Video()
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{
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var existingLibrary = new List<DeduplicationRecord>
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{
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new("dQw4w9WgXcQ", "Rick.mp4", "/media/rick.mp4", 50_000_000)
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};
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var engine = new MediaDeduplicationEngine(existingLibrary);
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var result = engine.CheckDuplicate("https://www.youtube.com/watch?v=newVideoId999");
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Assert.False(result.IsDuplicate);
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Assert.Null(result.ExistingFileName);
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}
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[Fact]
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public void Gate213_CollisionResolver_Generates_Numbered_Suffix()
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{
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var tempDir = Path.Combine(Path.GetTempPath(), "Paca_Collision_Test_" + Guid.NewGuid().ToString("N"));
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Directory.CreateDirectory(tempDir);
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try
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{
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// 원본 파일 생성
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var originalPath = Path.Combine(tempDir, "Nature_4K.mp4");
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File.WriteAllText(originalPath, "original");
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// 1차 충돌 시 -> Nature_4K (1).mp4
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var safePath1 = FileCollisionResolver.ResolveSafePath(tempDir, "Nature_4K.mp4");
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Assert.Equal(Path.Combine(tempDir, "Nature_4K (1).mp4"), safePath1);
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// Nature_4K (1).mp4도 생성해둠
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File.WriteAllText(safePath1, "existing (1)");
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// 2차 충돌 시 -> Nature_4K (2).mp4
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var safePath2 = FileCollisionResolver.ResolveSafePath(tempDir, "Nature_4K.mp4");
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Assert.Equal(Path.Combine(tempDir, "Nature_4K (2).mp4"), safePath2);
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}
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finally
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{
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if (Directory.Exists(tempDir)) Directory.Delete(tempDir, recursive: true);
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}
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}
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[Fact]
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public void Gate214_CollisionResolver_Preserves_When_No_Conflict()
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{
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var tempDir = Path.Combine(Path.GetTempPath(), "Paca_NoCollision_" + Guid.NewGuid().ToString("N"));
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Directory.CreateDirectory(tempDir);
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try
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{
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var safePath = FileCollisionResolver.ResolveSafePath(tempDir, "FreshVideo.mp4");
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Assert.Equal(Path.Combine(tempDir, "FreshVideo.mp4"), safePath);
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}
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finally
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{
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if (Directory.Exists(tempDir)) Directory.Delete(tempDir, recursive: true);
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}
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}
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}
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