From 3be5b7f28ef4eff6cd65d0132261c6da3a679772 Mon Sep 17 00:00:00 2001
From: Sami Samhuri <sami@samhuri.net>
Date: Sun, 19 Jan 2025 14:54:53 -0800
Subject: [PATCH] Extract BaseTests class

---
 .../BaseTests.swift                           | 50 +++++++++++++++++++
 .../SJSAssetExportSessionTests.swift          | 40 +--------------
 2 files changed, 51 insertions(+), 39 deletions(-)
 create mode 100644 Tests/SJSAssetExportSessionTests/BaseTests.swift

diff --git a/Tests/SJSAssetExportSessionTests/BaseTests.swift b/Tests/SJSAssetExportSessionTests/BaseTests.swift
new file mode 100644
index 0000000..fcb62cd
--- /dev/null
+++ b/Tests/SJSAssetExportSessionTests/BaseTests.swift
@@ -0,0 +1,50 @@
+//
+//  BaseTests.swift
+//  SJSAssetExportSession
+//
+//  Created by Sami Samhuri on 2025-01-19.
+//
+
+import AVFoundation
+import Foundation
+import Testing
+
+class BaseTests {
+    func resourceURL(named name: String) -> URL {
+        Bundle.module.resourceURL!.appending(component: name)
+    }
+
+    func makeAsset(url: URL) -> sending AVAsset {
+        AVURLAsset(url: url, options: [
+            AVURLAssetPreferPreciseDurationAndTimingKey: true,
+        ])
+    }
+
+    func makeTemporaryURL(function: String = #function) -> AutoDestructingURL {
+        let timestamp = Int(Date.now.timeIntervalSince1970)
+        let f = function.replacing(/[\(\)]/, with: { _ in "" })
+        let filename = "\(Self.self)_\(f)_\(timestamp).mp4"
+        let url = URL.temporaryDirectory.appending(component: filename)
+        return AutoDestructingURL(url: url)
+    }
+
+    func makeVideoComposition(
+        assetURL: URL,
+        size: CGSize? = nil,
+        fps: Int? = nil
+    ) async throws -> sending AVMutableVideoComposition {
+        let asset = makeAsset(url: assetURL)
+        let videoComposition = try await AVMutableVideoComposition.videoComposition(
+            withPropertiesOf: asset
+        )
+        if let size {
+            videoComposition.renderSize = size
+        }
+        if let fps {
+            let seconds = 1.0 / TimeInterval(fps)
+            videoComposition.sourceTrackIDForFrameTiming = kCMPersistentTrackID_Invalid
+            videoComposition.frameDuration = CMTime(seconds: seconds, preferredTimescale: 600)
+        }
+        return videoComposition
+    }
+}
diff --git a/Tests/SJSAssetExportSessionTests/SJSAssetExportSessionTests.swift b/Tests/SJSAssetExportSessionTests/SJSAssetExportSessionTests.swift
index f476d71..1bf63c5 100644
--- a/Tests/SJSAssetExportSessionTests/SJSAssetExportSessionTests.swift
+++ b/Tests/SJSAssetExportSessionTests/SJSAssetExportSessionTests.swift
@@ -10,45 +10,7 @@ import CoreLocation
 import SJSAssetExportSession
 import Testing
 
-final class ExportSessionTests {
-    private func resourceURL(named name: String) -> URL {
-        Bundle.module.resourceURL!.appending(component: name)
-    }
-
-    private func makeAsset(url: URL) -> sending AVAsset {
-        AVURLAsset(url: url, options: [
-            AVURLAssetPreferPreciseDurationAndTimingKey: true,
-        ])
-    }
-
-    private func makeTemporaryURL(function: String = #function) -> AutoDestructingURL {
-        let timestamp = Int(Date.now.timeIntervalSince1970)
-        let f = function.replacing(/[\(\)]/, with: { _ in "" })
-        let filename = "\(Self.self)_\(f)_\(timestamp).mp4"
-        let url = URL.temporaryDirectory.appending(component: filename)
-        return AutoDestructingURL(url: url)
-    }
-
-    private func makeVideoComposition(
-        assetURL: URL,
-        size: CGSize? = nil,
-        fps: Int? = nil
-    ) async throws -> sending AVMutableVideoComposition {
-        let asset = makeAsset(url: assetURL)
-        let videoComposition = try await AVMutableVideoComposition.videoComposition(
-            withPropertiesOf: asset
-        )
-        if let size {
-            videoComposition.renderSize = size
-        }
-        if let fps {
-            let seconds = 1.0 / TimeInterval(fps)
-            videoComposition.sourceTrackIDForFrameTiming = kCMPersistentTrackID_Invalid
-            videoComposition.frameDuration = CMTime(seconds: seconds, preferredTimescale: 600)
-        }
-        return videoComposition
-    }
-
+final class ExportSessionTests: BaseTests {
     @Test func test_sugary_export_720p_h264_24fps() async throws {
         let sourceURL = resourceURL(named: "test-4k-hdr-hevc-30fps.mov")
         let destinationURL = makeTemporaryURL()