public void TestBuildSnapAppsFromYamlString()
{
var snapAppsBefore = _baseFixture.BuildSnapApps();
Assert.Single(snapAppsBefore.Apps);
var snapAppsYamlString = _snapAppWriter.ToSnapAppsYamlString(snapAppsBefore);
var snapAppsAfter = _snapAppReader.BuildSnapAppsFromYamlString(snapAppsYamlString);
AssertSnapApps(snapAppsBefore, snapAppsAfter, new NugetOrgOfficialV3PackageSources());
}
static SnapApps BuildSnapAppsFromDirectory(
[NotNull] ISnapFilesystem filesystem, [NotNull] ISnapAppReader reader, [NotNull] string workingDirectory)
{
if (filesystem == null)
{
throw new ArgumentNullException(nameof(filesystem));
}
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
if (workingDirectory == null)
{
throw new ArgumentNullException(nameof(workingDirectory));
}
const string snapxYamlFilename = "snapx.yml";
var snapsFilename = filesystem.PathCombine(workingDirectory, ".snapx", snapxYamlFilename);
if (!filesystem.FileExists(snapsFilename))
{
SnapLogger.Error($"Unable to find application YML definition, it does not exist: {snapsFilename}");
goto error;
}
var content = filesystem.FileReadAllText(snapsFilename);
if (string.IsNullOrWhiteSpace(content))
{
SnapLogger.Error($"Application yml file is empty (does not containy any YML): {snapsFilename}");
goto error;
}
try
{
var snapApps = reader.BuildSnapAppsFromYamlString(content);
if (snapApps == null)
{
goto error;
}
const int expectedSchemaVersion = 1;
if (snapApps.Schema != expectedSchemaVersion)
{
throw new Exception($"Invalid schema version: {snapApps.Schema}. Expected schema version: {expectedSchemaVersion}.");
}
snapApps.Generic ??= new SnapAppsGeneric();
snapApps.Apps ??= new List <SnapsApp>();
snapApps.Channels ??= new List <SnapsChannel>();
return(snapApps);
}
catch (YamlException yamlException)
{
var moreHelpfulExceptionMaybe = yamlException.InnerException ?? yamlException;
SnapLogger.ErrorException($"{snapxYamlFilename} file contains incorrect yaml syntax. Error message: {moreHelpfulExceptionMaybe.Message}.", moreHelpfulExceptionMaybe);
}
catch (Exception e)
{
SnapLogger.ErrorException($"Unknown error deserializing {snapxYamlFilename}", e);
}
error:
return(new SnapApps());
}
