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98 lines
3.3 KiB
C#
98 lines
3.3 KiB
C#
using NAPS2.Scan;
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using NAPS2.Sdk.Tests;
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using Xunit;
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namespace NAPS2.Sdk.ScannerTests;
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public class ScannerTests
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{
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// TODO: Make real tests for WIA/TWAIN, Flatbed/Feeder, Color/Gray/BW, DPIs, etc.
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[ScannerFact]
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public async Task ScanWithWia()
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{
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using var scanningContext = new ScanningContext(TestImageContextFactory.Get());
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var scanController = new ScanController(scanningContext);
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var devices = await scanController.GetDeviceList(Driver.Wia);
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var device = GetUserDevice(devices);
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var options = new ScanOptions
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{
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Device = device,
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Driver = Driver.Wia,
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PaperSource = PaperSource.Flatbed,
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Dpi = 100
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};
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var image = await scanController.Scan(options).FirstAsync();
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Assert.NotNull(image);
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using var rendered = image.Render();
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// TODO: Aside from generating the relevant files/resources, we also need to consider how to compare images when ImageAsserts assumes perfect pixel alignment.
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// TODO: One possibility is having a section of the test page with gradual gradients and only compare that subsection of the images.
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// ImageAsserts.Similar(ScannerTestResources.naps2_test_page, rendered);
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}
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[ScannerFact]
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public async Task ScanWithTwain()
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{
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var imageContext = TestImageContextFactory.Get();
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using var scanningContext = new ScanningContext(imageContext);
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var scanController = new ScanController(scanningContext);
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var devices = await scanController.GetDeviceList(Driver.Twain);
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var device = GetUserDevice(devices);
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var options = new ScanOptions
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{
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Device = device,
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Driver = Driver.Twain,
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PaperSource = PaperSource.Flatbed,
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Dpi = 100
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};
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var image = await scanController.Scan(options).FirstAsync();
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Assert.NotNull(image);
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}
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[ScannerFact]
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public async Task ScanWithSane()
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{
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var imageContext = TestImageContextFactory.Get();
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using var scanningContext = new ScanningContext(imageContext);
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var scanController = new ScanController(scanningContext);
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var devices = await scanController.GetDeviceList(Driver.Sane);
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var device = GetUserDevice(devices);
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var options = new ScanOptions
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{
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Device = device,
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Driver = Driver.Sane,
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PaperSource = PaperSource.Flatbed,
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Dpi = 100
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};
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var image = await scanController.Scan(options).FirstAsync();
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Assert.NotNull(image);
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}
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// TODO: Generalize the common infrastructure into helper classes (ScannerTests as a base class, FlatbedTests, FeederTests, etc.?)
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private static ScanDevice GetUserDevice(List<ScanDevice> devices)
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{
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if (devices.Count == 0)
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{
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throw new InvalidOperationException("No scanner available");
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}
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foreach (var device in devices)
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{
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if (device.Name!.IndexOf(HowToRunScannerTests.SCANNER_NAME, StringComparison.OrdinalIgnoreCase) != -1)
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{
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return device;
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}
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}
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throw new InvalidOperationException("Set SCANNER_NAME to one of: " +
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string.Join(",", devices.Select(x => x.Name)));
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}
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} |