private async Task<IEnumerable<string>> ExportToPdfAsync(string[] inputs, string filePath, int width, int height) {
var app = new RHostClientTestApp { PlotHandler = OnPlot, PlotDeviceCreateHandler = OnDeviceCreate, PlotDeviceDestroyHandler = OnDeviceDestroy };
using (var sessionProvider = new RSessionProvider(TestCoreServices.CreateReal())) {
await sessionProvider.TrySwitchBrokerAsync(nameof(IdeGraphicsDeviceTest));
var session = sessionProvider.GetOrCreate(Guid.NewGuid());
await session.StartHostAsync(new RHostStartupInfo {
Name = _testMethod.Name
}, app, 50000);
foreach (var input in inputs) {
using (var interaction = await session.BeginInteractionAsync()) {
await interaction.RespondAsync(input.EnsureLineBreak());
}
}
string script = String.Format(@"
device_id <- rtvs:::graphics.ide.getactivedeviceid()
rtvs:::export_to_pdf(device_id, rtvs:::graphics.ide.getactiveplotid(device_id), {0}, {1})
", width, height);
var blobid = await session.EvaluateAsync<ulong>(script, REvaluationKind.Normal);
using (DataTransferSession dts = new DataTransferSession(session, new FileSystem())) {
await dts.FetchFileAsync(new RBlobInfo(blobid), filePath, true, null, CancellationToken.None);
}
await session.StopHostAsync();
}
// Ensure that all plot files created by the graphics device have been deleted
foreach (var plot in OriginalPlotMessages) {
File.Exists(plot.FilePath).Should().BeFalse();
}
return PlotFilePaths.AsReadOnly();
}
private async Task<IEnumerable<string>> ExportToImageAsync(string[] inputs, string[] format, string[] paths, int widthInPixels, int heightInPixels, int resolution) {
var app = new RHostClientTestApp { PlotHandler = OnPlot, PlotDeviceCreateHandler = OnDeviceCreate, PlotDeviceDestroyHandler = OnDeviceDestroy };
using (var sessionProvider = new RSessionProvider(TestCoreServices.CreateReal())) {
await sessionProvider.TrySwitchBrokerAsync(nameof(IdeGraphicsDeviceTest));
var session = sessionProvider.GetOrCreate(Guid.NewGuid());
await session.StartHostAsync(new RHostStartupInfo {
Name = _testMethod.Name
}, app, 50000);
foreach (var input in inputs) {
using (var interaction = await session.BeginInteractionAsync()) {
await interaction.RespondAsync(input.EnsureLineBreak());
}
}
for (int i = 0; i < format.Length; ++i) {
await ExportToImageAsync(session, format[i], paths[i], widthInPixels, heightInPixels, resolution);
}
await session.StopHostAsync();
}
// Ensure that all plot files created by the graphics device have been deleted
foreach (var plot in OriginalPlotMessages) {
File.Exists(plot.FilePath).Should().BeFalse();
}
return PlotFilePaths.AsReadOnly();
}