Esempio n. 1
0
        private void LoadSupport()
        {
            _frameworks = new Dictionary <NuGetFramework, ValidationFramework>();

            // determine which TxM:RIDs should be considered for support based on Frameworks item
            foreach (var framework in Frameworks)
            {
                NuGetFramework fx;
                try
                {
                    fx = FrameworkUtilities.ParseNormalized(framework.ItemSpec);
                }
                catch (Exception ex)
                {
                    Log.LogError($"Could not parse Framework {framework.ItemSpec}. {ex}");
                    continue;
                }

                if (fx.Equals(NuGetFramework.UnsupportedFramework))
                {
                    Log.LogError($"Did not recognize {framework.ItemSpec} as valid Framework.");
                    continue;
                }

                string runtimeIdList = framework.GetMetadata("RuntimeIDs");

                if (_frameworks.ContainsKey(fx))
                {
                    Log.LogError($"Framework {fx} has been listed in Frameworks more than once.");
                    continue;
                }

                _frameworks[fx] = new ValidationFramework(fx);

                if (!String.IsNullOrWhiteSpace(runtimeIdList))
                {
                    _frameworks[fx].RuntimeIds = runtimeIdList.Split(';');
                }
            }

            // keep a list of explicitly listed supported frameworks so that we can check for conflicts.
            HashSet <NuGetFramework> explicitlySupportedFrameworks = new HashSet <NuGetFramework>(NuGetFramework.Comparer);

            // determine what version should be supported based on SupportedFramework items
            foreach (var supportedFramework in SupportedFrameworks)
            {
                NuGetFramework fx;
                string         fxString           = supportedFramework.ItemSpec;
                bool           isExclusiveVersion = fxString.Length > 1 && fxString[0] == '[' && fxString[fxString.Length - 1] == ']';
                if (isExclusiveVersion)
                {
                    fxString = fxString.Substring(1, fxString.Length - 2);
                }

                try
                {
                    fx = FrameworkUtilities.ParseNormalized(fxString);
                }
                catch (Exception ex)
                {
                    Log.LogError($"Could not parse TargetFramework {fxString} as a SupportedFramework. {ex}");
                    continue;
                }

                if (fx.Equals(NuGetFramework.UnsupportedFramework))
                {
                    Log.LogError($"Did not recognize TargetFramework {fxString} as a SupportedFramework.");
                    continue;
                }

                Version supportedVersion;
                string  version = supportedFramework.GetMetadata("Version");
                try
                {
                    supportedVersion = Version.Parse(version);
                }
                catch (Exception ex)
                {
                    Log.LogError($"Could not parse Version {version} on SupportedFramework item {supportedFramework.ItemSpec}. {ex}");
                    continue;
                }

                ValidationFramework validationFramework = null;
                if (!_frameworks.TryGetValue(fx, out validationFramework))
                {
                    Log.LogError($"SupportedFramework {fx} was specified but is not part of the Framework list to use for validation.");
                    continue;
                }


                if (explicitlySupportedFrameworks.Contains(fx))
                {
                    if (supportedVersion <= validationFramework.SupportedVersion)
                    {
                        // if we've already picked up a higher/equal version, prefer it
                        continue;
                    }
                }
                else
                {
                    explicitlySupportedFrameworks.Add(fx);
                }

                validationFramework.SupportedVersion = supportedVersion;

                if (!isExclusiveVersion)
                {
                    // find all frameworks of higher version, sorted by version ascending
                    IEnumerable <ValidationFramework> higherFrameworks = _frameworks.Values.Where(vf => vf.Framework.Framework == fx.Framework && vf.Framework.Version > fx.Version).OrderBy(vf => vf.Framework.Version);

                    // netcore50 is the last `netcore` framework, after that we use `uap`
                    if (fx.Framework == FrameworkConstants.FrameworkIdentifiers.NetCore)
                    {
                        var uapFrameworks = _frameworks.Values.Where(vf => vf.Framework.Framework == FrameworkConstants.FrameworkIdentifiers.UAP).OrderBy(vf => vf.Framework.Version);
                        higherFrameworks = higherFrameworks.Concat(uapFrameworks);
                    }


                    foreach (var higherFramework in higherFrameworks)
                    {
                        if (higherFramework.SupportedVersion != null && higherFramework.SupportedVersion > supportedVersion)
                        {
                            // found an higher framework version a higher API version, stop applying this supported version
                            break;
                        }

                        higherFramework.SupportedVersion = supportedVersion;
                    }
                }
            }


            // determine which Frameworks should support inbox
            _index = PackageIndex.Load(PackageIndexes.Select(pi => pi.GetMetadata("FullPath")));
            foreach (var inboxPair in _index.GetInboxVersions(ContractName).NullAsEmpty())
            {
                var fx           = inboxPair.Key;
                var inboxVersion = inboxPair.Value;

                if (inboxVersion != null)
                {
                    ValidationFramework validationFramework = null;
                    if (_frameworks.TryGetValue(fx, out validationFramework))
                    {
                        Version supportedVersion = validationFramework.SupportedVersion;

                        if (supportedVersion != null &&
                            (supportedVersion.Major > inboxVersion.Major ||
                             (supportedVersion.Major == inboxVersion.Major && supportedVersion.Minor > inboxVersion.Minor)))
                        {
                            // Higher major.minor
                            Log.LogMessage(LogImportance.Low, $"Framework {fx} supported {ContractName} as inbox but the current supported version {supportedVersion} is higher in major.minor than inbox version {inboxVersion}.  Assuming out of box.");
                            continue;
                        }
                        else if (supportedVersion != null && supportedVersion < inboxVersion && inboxVersion != VersionUtility.MaxVersion)
                        {
                            // Lower version
                            Log.LogError($"Framework {fx} supports {ContractName} as inbox but the current supported version {supportedVersion} is lower than the inbox version {inboxVersion}");
                        }

                        // equal major.minor, build.revision difference is permitted, prefer the version listed by ContractSupport item
                    }

                    if (validationFramework == null)
                    {
                        // we may not be explicitly validating for this framework so add it to validate inbox assets.
                        _frameworks[fx] = validationFramework = new ValidationFramework(fx)
                        {
                            SupportedVersion = inboxVersion
                        };
                    }

                    validationFramework.IsInbox = true;
                }
            }

            // for every framework we know about, also infer it's netstandard version to ensure it can
            // be targeted by PCL.  Even if a package only supports a single framework we still
            // want to include a portable reference assembly.  This allows 3rd parties to add
            // their own implementation via a lineup/runtime.json.

            // only consider frameworks that support the contract at a specific version
            var inferFrameworks = _frameworks.Values.Where(fx => fx.SupportedVersion != null && fx.SupportedVersion != VersionUtility.MaxVersion).ToArray();

            var genVersionSuppression       = GetSuppressionValues(Suppression.PermitPortableVersionMismatch) ?? new HashSet <string>();
            var inferNETStandardSuppression = GetSuppressionValues(Suppression.SuppressNETStandardInference) ?? new HashSet <string>();
            Dictionary <NuGetFramework, ValidationFramework> generationsToValidate = new Dictionary <NuGetFramework, ValidationFramework>();

            foreach (var inferFramework in inferFrameworks)
            {
                var inferFrameworkMoniker = inferFramework.Framework.ToString();
                if (inferNETStandardSuppression.Contains(inferFrameworkMoniker))
                {
                    continue;
                }

                NuGetFramework generation = new NuGetFramework(_generationIdentifier, Generations.DetermineGenerationForFramework(inferFramework.Framework, UseNetPlatform));
                Log.LogMessage(LogImportance.Low, $"Validating {generation} for {ContractName}, {inferFramework.SupportedVersion} since it is supported by {inferFrameworkMoniker}");

                ValidationFramework existingGeneration = null;
                if (generationsToValidate.TryGetValue(generation, out existingGeneration))
                {
                    // the netstandard version should be the minimum version supported by all platforms that support that netstandard version.
                    if (inferFramework.SupportedVersion < existingGeneration.SupportedVersion)
                    {
                        Log.LogMessage($"Framework {inferFramework.Framework} supports {ContractName} at {inferFramework.SupportedVersion} which is lower than {existingGeneration.SupportedVersion} supported by generation {generation.GetShortFolderName()}.  Lowering the version supported by {generation.GetShortFolderName()}.");
                        existingGeneration.SupportedVersion = inferFramework.SupportedVersion;
                    }
                }
                else
                {
                    generationsToValidate.Add(generation, new ValidationFramework(generation)
                    {
                        SupportedVersion = inferFramework.SupportedVersion
                    });
                }
            }

            foreach (var generation in generationsToValidate)
            {
                _frameworks.Add(generation.Key, generation.Value);
            }
        }