public void CanReadHostDataFromITemplateInfo()
{
IEngineEnvironmentSettings engineEnvironmentSettings = _environmentSettingsHelper.CreateEnvironment(virtualize: true);
HostSpecificDataLoader hostSpecificDataLoader = new HostSpecificDataLoader(engineEnvironmentSettings);
Assert.True(engineEnvironmentSettings.TryGetMountPoint(Directory.GetCurrentDirectory(), out IMountPoint? mountPoint));
Assert.NotNull(mountPoint);
IFile?dataFile = mountPoint !.FileInfo("/Resources/dotnetcli.host.json");
Assert.NotNull(dataFile);
JObject json = ReadJObjectFromIFile(dataFile !);
ITemplateInfo template = A.Fake <ITemplateInfo>(builder => builder.Implements <ITemplateInfoHostJsonCache>().Implements <ITemplateInfo>());
A.CallTo(() => ((ITemplateInfoHostJsonCache)template).HostData).Returns(json);
HostSpecificTemplateData data = hostSpecificDataLoader.ReadHostSpecificTemplateData(template);
Assert.NotNull(data);
Assert.False(data.IsHidden);
Assert.Equal(2, data.UsageExamples?.Count);
Assert.Contains("--framework netcoreapp3.1 --langVersion '9.0'", data.UsageExamples);
Assert.Equal(4, data.SymbolInfo?.Count);
Assert.Contains("TargetFrameworkOverride", data.HiddenParameterNames);
Assert.Contains("Framework", data.ParametersToAlwaysShow);
Assert.True(data.LongNameOverrides.ContainsKey("skipRestore"));
Assert.Equal("no-restore", data.LongNameOverrides["skipRestore"]);
Assert.True(data.ShortNameOverrides.ContainsKey("skipRestore"));
Assert.Equal("", data.ShortNameOverrides["skipRestore"]);
Assert.Equal("no-restore", data.DisplayNameForParameter("skipRestore"));
}
private static bool GenerateUsageForTemplate(ITemplateInfo templateInfo, IHostSpecificDataLoader hostDataLoader, string commandName)
{
HostSpecificTemplateData hostTemplateData = hostDataLoader.ReadHostSpecificTemplateData(templateInfo);
if (hostTemplateData.UsageExamples != null)
{
if (hostTemplateData.UsageExamples.Count == 0)
{
return(false);
}
Reporter.Output.WriteLine($" dotnet {commandName} {templateInfo.ShortName} {hostTemplateData.UsageExamples[0]}");
return(true);
}
Reporter.Output.Write($" dotnet {commandName} {templateInfo.ShortName}");
IReadOnlyList <ITemplateParameter> allParameterDefinitions = templateInfo.Parameters;
IEnumerable <ITemplateParameter> filteredParams = TemplateParameterHelpBase.FilterParamsForHelp(allParameterDefinitions, hostTemplateData.HiddenParameterNames, parametersToAlwaysShow: hostTemplateData.ParametersToAlwaysShow);
foreach (ITemplateParameter parameter in filteredParams)
{
if (string.Equals(parameter.DataType, "bool", StringComparison.OrdinalIgnoreCase) &&
string.Equals(parameter.DefaultValue, "false", StringComparison.OrdinalIgnoreCase))
{
continue;
}
else if (string.Equals(parameter.DataType, "string", StringComparison.OrdinalIgnoreCase))
{
continue;
}
else if (string.Equals(parameter.DataType, "choice", StringComparison.OrdinalIgnoreCase) && parameter.Choices.Count == 1)
{
continue;
}
string displayParameter = hostTemplateData.DisplayNameForParameter(parameter.Name);
Reporter.Output.Write($" --{displayParameter}");
if (!string.IsNullOrEmpty(parameter.DefaultValue) && !string.Equals(parameter.DataType, "bool", StringComparison.OrdinalIgnoreCase))
{
Reporter.Output.Write($" {parameter.DefaultValue}");
}
}
Reporter.Output.WriteLine();
return(true);
}
