-

Author: NSFatalError

README.md

@@ -270,7 +270,7 @@ func testDownloadingImage() async throws {
 }
 
 @Test
-func testDownloadingImageWhenLowQualityDownloadFailsFirst() async throws {
+func testDownloadingImageWhenLowQualityDownloadFailsAfterHighQualityDownloadSucceeds() async throws {
     try await withProbing {
         viewModel.downloadImage()
     } dispatchedBy: { dispatcher in
@@ -279,12 +279,39 @@ func testDownloadingImageWhenLowQualityDownloadFailsFirst() async throws {
         try await dispatcher.runUntilExitOfBody()
         #expect(viewModel.downloadState?.isDownloading == true)
 
+        try await dispatcher.runUntilEffectCompleted("high")
+        #expect(viewModel.downloadState?.quality == .high)
+
         downloader.shouldFailDownload = true
         try await dispatcher.runUntilEffectCompleted("low")
+        try dispatcher.getCancelledValue(fromEffect: "low", as: Void.self)
+        #expect(viewModel.downloadState?.quality == .high)
+    }
+}
+
+@Test
+func testDownloadingImageRepeatedly() async throws {
+    try await withProbing {
+        viewModel.downloadImage()
+        viewModel.downloadImage()
+    } dispatchedBy: { dispatcher in
+        #expect(viewModel.downloadState == nil)
+
+        try await dispatcher.runUntilExitOfBody()
         #expect(viewModel.downloadState?.isDownloading == true)
 
-        downloader.shouldFailDownload = false
-        try await dispatcher.runUntilEffectCompleted("high")
+        try await dispatcher.runUntilEffectCompleted("low0")
+        try dispatcher.getCancelledValue(fromEffect: "low0", as: Void.self)
+        #expect(viewModel.downloadState?.isDownloading == true)
+
+        try await dispatcher.runUntilEffectCompleted("high0")
+        try dispatcher.getCancelledValue(fromEffect: "high0", as: Void.self)
+        #expect(viewModel.downloadState?.isDownloading == true)
+
+        try await dispatcher.runUntilEffectCompleted("low1")
+        #expect(viewModel.downloadState?.quality == .low)
+
+        try await dispatcher.runUntilEffectCompleted("high1")
         #expect(viewModel.downloadState?.quality == .high)
     }
 }