public async Task EmptyViewModel()
{
var css = Substitute.For <IConfigurationSettingCollection>();
var shell = Substitute.For <ICoreShell>();
string file = Path.GetTempFileName();
var fs = Substitute.For <IFileSystem>();
fs.GetFileSystemEntries(file, Arg.Any <string>(), SearchOption.AllDirectories).Returns(new string[] { file });
fs.DirectoryExists(file).Returns(false);
fs.FileExists(file).Returns(true);
var model = new SettingsPageViewModel(css, shell, fs);
await model.SetProjectPathAsync(Path.GetDirectoryName(file), null);
model.CurrentFile.Should().BeNull();
(await model.SaveAsync()).Should().BeFalse(); // nothing should happen
}
public async Task LoadSave()
{
var settings = Substitute.For <IConfigurationSettingCollection>();
var shell = Substitute.For <ICoreShell>();
var fs = Substitute.For <IFileSystem>();
var pp = Substitute.For <IRProjectProperties>();
fs.GetFileSystemEntries(null, null, SearchOption.AllDirectories).ReturnsForAnyArgs(new string[] { @"C:\Settings22.R" });
pp.GetSettingsFileAsync().Returns(Task.FromResult("~/Settings22.R"));
var model = new SettingsPageViewModel(settings, shell, fs);
await model.SetProjectPathAsync(@"C:\", pp);
await pp.Received().GetSettingsFileAsync();
model.CurrentFile.Should().Be("~/Settings22.R");
(await model.SaveAsync()).Should().BeTrue();
settings.Received().Save(@"C:\Settings22.R");
}