When specflow.json is not available, use config from App.config Fix #162

src/dotnet/ReSharperPlugin.SpecflowRiderPlugin/Caching/SpecflowJsonSettings/ConfigSource.cs

@@ -0,0 +1,8 @@
+namespace ReSharperPlugin.SpecflowRiderPlugin.Caching.SpecflowJsonSettings;
+
+public enum ConfigSource
+{
+    None,
+    Json,
+    AppConfig
+}

src/dotnet/ReSharperPlugin.SpecflowRiderPlugin/Caching/SpecflowJsonSettings/SpecflowSettings.cs

@@ -1,15 +1,20 @@
+using System.Xml.Serialization;
+
 namespace ReSharperPlugin.SpecflowRiderPlugin.Caching.SpecflowJsonSettings
 {
+    [XmlRoot("specFlow")]
     public class SpecflowSettings
     {
-        public SpecflowSettingsLanguage Language { get; } = new SpecflowSettingsLanguage();
-        public SpecflowSettingsBindingCulture BindingCulture { get; } = new SpecflowSettingsBindingCulture();
+        [XmlElement("language")]
+        public SpecflowSettingsLanguage Language { get; set; } = new();
+        [XmlElement("bindingCulture")]
+        public SpecflowSettingsBindingCulture BindingCulture { get; set; } = new();
 
         public SpecflowSettings()
         {
             Language.Feature = "en";
             Language.Tool = "en";
             BindingCulture.Name = "en";
-        } 
+        }
     }
 }

src/dotnet/ReSharperPlugin.SpecflowRiderPlugin/Caching/SpecflowJsonSettings/SpecflowSettingsBindingCulture.cs

@@ -1,7 +1,10 @@
+using System.Xml.Serialization;
+
 namespace ReSharperPlugin.SpecflowRiderPlugin.Caching.SpecflowJsonSettings
 {
     public class SpecflowSettingsBindingCulture
     {
+        [XmlAttribute("name")]
         public string Name { get; set; }
     }
 }

src/dotnet/ReSharperPlugin.SpecflowRiderPlugin/Caching/SpecflowJsonSettings/SpecflowSettingsFilesCache.cs

@@ -1,6 +1,13 @@
+#nullable enable
 using System;
+using System.IO;
+using System.Xml;
+using System.Xml.Linq;
+using System.Xml.Serialization;
+using System.Xml.XPath;
 using JetBrains.Application.Threading;
 using JetBrains.Collections;
+using JetBrains.Diagnostics;
 using JetBrains.DocumentModel;
 using JetBrains.Lifetimes;
 using JetBrains.ProjectModel;
@@ -30,52 +37,103 @@ public SpecflowSettingsFilesCache(Lifetime lifetime,
 
         protected override bool IsApplicable(IPsiSourceFile sf)
         {
-            return sf.Name == "specflow.json";
+            return GetConfigSource(sf) != ConfigSource.None;
         }
 
         public override void MergeLoaded(object data)
         {
             base.MergeLoaded(data);
 
             foreach (var (key, value) in Map)
-                UpdateInProvider(key, value, null);
+                UpdateInProvider(key, value);
         }
 
-        public override object Build(IPsiSourceFile sourceFile, bool isStartup)
+        public override object? Build(IPsiSourceFile sourceFile, bool isStartup)
+        {
+            return GetConfigSource(sourceFile) switch
+            {
+                ConfigSource.Json => LoadSpecflowJson(sourceFile),
+                ConfigSource.AppConfig => LoadFromAppConfig(sourceFile),
+                _ => null,
+            };
+        }
+
+        public override void Drop(IPsiSourceFile sourceFile)
+        {
+            UpdateInProvider(sourceFile, null);
+            base.Drop(sourceFile);
+        }
+
+        public override void Merge(IPsiSourceFile sourceFile, object? builtPart)
+        {
+            var newSettings = (SpecflowSettings?)builtPart;
+
+            UpdateInProvider(sourceFile, newSettings);
+
+            base.Merge(sourceFile, builtPart);
+        }
+
+        private ConfigSource GetConfigSource(IPsiSourceFile file)
+        {
+            if (file.Name == "specflow.json")
+                return ConfigSource.Json;
+            if (file.Name.Equals("app.config", StringComparison.OrdinalIgnoreCase))
+                return ConfigSource.AppConfig;
+            return ConfigSource.None;
+        }
+
+        private static SpecflowSettings? LoadFromAppConfig(IPsiSourceFile sourceFile)
         {
-            var specflowSettingsText = sourceFile.Document.GetText();
             try
             {
-                var settings = JsonConvert.DeserializeObject<SpecflowSettings>(specflowSettingsText);
-                return settings;
+                var xml = sourceFile.Document.GetText();
+                using var sr = new StringReader(xml);
+                using var xmlReader = XmlReader.Create(sr);
+                var document = XDocument.Load(xmlReader);
+
+                var element = document.XPathSelectElement("//configuration/specFlow");
+                if (element == null)
+                    return null;
+
+                var xmlSerializer = new XmlSerializer(typeof(SpecflowSettings));
+                using var reader = element.CreateReader();
+                var specflowSettings = xmlSerializer.Deserialize(reader);
+                return (SpecflowSettings?)specflowSettings;
+
             }
             catch (Exception)
             {
                 //Possible invalid json
             }
 
-            return new SpecflowSettings();
+            return null;
         }
 
-        public override void Merge(IPsiSourceFile sourceFile, object builtPart)
+        private static SpecflowSettings? LoadSpecflowJson(IPsiSourceFile sourceFile)
         {
-            var newSettings = (SpecflowSettings) builtPart;
-            Map.TryGetValue(sourceFile, out var oldSettings);
-
-            UpdateInProvider(sourceFile, newSettings, oldSettings);
-
-            base.Merge(sourceFile, builtPart);
+            var specflowSettingsText = sourceFile.Document.GetText();
+            try
+            {
+                return JsonConvert.DeserializeObject<SpecflowSettings>(specflowSettingsText);
+            }
+            catch (Exception)
+            {
+                //Possible invalid json
+            }
+            return null;
         }
 
-        private void UpdateInProvider(IPsiSourceFile specflowJsonFile, SpecflowSettings newSettings, SpecflowSettings oldSettings)
+        private void UpdateInProvider(IPsiSourceFile file, SpecflowSettings? newSettings)
         {
-            var specflowJsonProjectOwner = specflowJsonFile.GetProject();
+            var specflowJsonProjectOwner = file.GetProject();
             if (specflowJsonProjectOwner == null)
                 return;
 
-            _settingsProvider.Update(specflowJsonProjectOwner, newSettings);
+            var oldSettings = _settingsProvider.GetSettings(specflowJsonProjectOwner);
+            if (!_settingsProvider.TryUpdate(specflowJsonProjectOwner, GetConfigSource(file), newSettings))
+                return;
 
-            if (oldSettings?.Language.Feature == newSettings?.Language.Feature)
+            if (oldSettings.Language.Feature == newSettings?.Language.Feature)
                 return;
 
             var featureFilesInProject = specflowJsonProjectOwner.GetAllProjectFiles(o => o.Name.EndsWith(".feature"));
@@ -85,11 +143,11 @@ private void UpdateInProvider(IPsiSourceFile specflowJsonFile, SpecflowSettings
                 foreach (var featurePsiFile in featurePsiFiles)
                 {
                     var psiServices = featurePsiFile.GetPsiServices();
-                    var cachedPsiFile = psiServices.Files.PsiFilesCache.TryGetCachedPsiFile(featurePsiFile, GherkinLanguage.Instance);
+                    var cachedPsiFile = psiServices.Files.PsiFilesCache.TryGetCachedPsiFile(featurePsiFile, GherkinLanguage.Instance.NotNull());
                     if (cachedPsiFile != null)
                     {
                         cachedPsiFile.OnDocumentChanged(new DocumentChange(featurePsiFile.Document, 0, featurePsiFile.Document.GetTextLength(),
-                                                                           featurePsiFile.Document.GetText(), -1, TextModificationSide.NotSpecified));
+                            featurePsiFile.Document.GetText(), -1, TextModificationSide.NotSpecified));
                         psiServices.Files.MarkAsDirty(featurePsiFile);
                         psiServices.Caches.MarkAsDirty(featurePsiFile);
                     }

src/dotnet/ReSharperPlugin.SpecflowRiderPlugin/Caching/SpecflowJsonSettings/SpecflowSettingsLanguage.cs

@@ -1,12 +1,16 @@
+using System.Xml.Serialization;
+
 namespace ReSharperPlugin.SpecflowRiderPlugin.Caching.SpecflowJsonSettings
 {
     public class SpecflowSettingsLanguage
     {
         private string _neutralFeature;
 
+        [XmlAttribute("feature")]
         public string Feature { get; set; }
+        [XmlAttribute("tool")]
         public string Tool { get; set; }
 
-        public string NeutralFeature => _neutralFeature ?? (_neutralFeature = Feature.Split('-')[0]);
+        public string NeutralFeature => _neutralFeature ??= Feature.Split('-')[0];
     }
 }

src/dotnet/ReSharperPlugin.SpecflowRiderPlugin/Caching/SpecflowJsonSettings/SpecflowSettingsProvider.cs

@@ -1,3 +1,4 @@
+#nullable enable
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
@@ -10,50 +11,86 @@ namespace ReSharperPlugin.SpecflowRiderPlugin.Caching.SpecflowJsonSettings
     [ShellComponent]
     public class SpecflowSettingsProvider
     {
-        private readonly ConcurrentDictionary<IProject, SpecflowSettings> _settingsRepository = new ConcurrentDictionary<IProject, SpecflowSettings>();
-        private readonly ConcurrentDictionary<Lifetime, HashSet<IProject>> _projectsInSolutionRepository = new ConcurrentDictionary<Lifetime, HashSet<IProject>>();
+        public static readonly SpecflowSettings DefaultSettings = new();
+        private readonly ConcurrentDictionary<IProject, SpecflowSettings> _jsonSettingsRepository = new();
+        private readonly ConcurrentDictionary<IProject, SpecflowSettings> _appConfigSettingsRepository = new();
+        private readonly ConcurrentDictionary<Lifetime, HashSet<IProject>> _projectsInSolutionRepository = new();
 
-        public void Update(IProject project, SpecflowSettings settings)
+        /// <summary>
+        /// Update specflow settings
+        /// </summary>
+        /// <param name="project"></param>
+        /// <param name="source"></param>
+        /// <param name="settings"></param>
+        /// <returns>true if it changes the current project config</returns>
+        public bool TryUpdate(IProject project, ConfigSource source, SpecflowSettings? settings)
         {
             var lifetime = project.GetSolution().GetLifetime();
 
+            RegisterProjectLifetime(project, lifetime);
+
+            switch (source)
+            {
+                case ConfigSource.Json:
+                {
+                    if (settings == null)
+                        _jsonSettingsRepository.TryRemove(project, out _);
+                    else
+                        _jsonSettingsRepository[project] = settings;
+                    return true;
+                }
+                case ConfigSource.AppConfig:
+                    if (settings == null)
+                        _appConfigSettingsRepository.TryRemove(project, out _);
+                    else
+                        _appConfigSettingsRepository[project] = settings;
+                    return !_jsonSettingsRepository.ContainsKey(project);
+                default:
+                    return false;
+            }
+        }
+
+        public SpecflowSettings GetSettings(IProject? project)
+        {
+            if (project == null)
+                return DefaultSettings;
+            if (_jsonSettingsRepository.TryGetValue(project, out var jsonSettings))
+                return jsonSettings;
+            if (_appConfigSettingsRepository.TryGetValue(project, out var appConfigSettings))
+                return appConfigSettings;
+            return DefaultSettings;
+        }
+
+        public SpecflowSettings GetDefaultSettings()
+        {
+            return _jsonSettingsRepository.FirstOrDefault().Value ?? _appConfigSettingsRepository.FirstOrDefault().Value ?? DefaultSettings;
+        }
+
+        private void RegisterProjectLifetime(IProject project, Lifetime lifetime)
+        {
+
             if (!_projectsInSolutionRepository.TryGetValue(lifetime, out var projectsWithSettings))
             {
                 projectsWithSettings = new HashSet<IProject>();
                 var addedProjects = _projectsInSolutionRepository.GetOrAdd(lifetime, projectsWithSettings);
                 if (addedProjects == projectsWithSettings)
                 {
                     lifetime.OnTermination(() =>
-                                           {
-                                               if (!_projectsInSolutionRepository.TryRemove(lifetime, out var projectsToRemove))
-                                                   return;
+                    {
+                        if (!_projectsInSolutionRepository.TryRemove(lifetime, out var projectsToRemove))
+                            return;
 
-                                               foreach (var projectToRemove in projectsToRemove)
-                                                   _settingsRepository.TryRemove(projectToRemove, out _);
-                                           });
+                        foreach (var projectToRemove in projectsToRemove)
+                        {
+                            _jsonSettingsRepository.TryRemove(projectToRemove, out _);
+                            _appConfigSettingsRepository.TryRemove(projectToRemove, out _);
+                        }
+                    });
                 }
             }
 
             lock (projectsWithSettings)
                 projectsWithSettings.Add(project);
-
-            _settingsRepository[project] = settings;
-        }
-
-        public SpecflowSettings GetSettings(IProject project)
-        {
-            var settings = _settingsRepository.GetOrAdd(project, o => new SpecflowSettings());
-
-            return settings;
-        }
-
-        public SpecflowSettings GetDefaultSettings()
-        {
-            var settings = _settingsRepository.FirstOrDefault().Value;
-            if (settings == null)
-                settings = new SpecflowSettings();
-
-            return settings;
         }
     }
 }

src/dotnet/ReSharperPlugin.SpecflowRiderPlugin/CompletionProviders/GherkinKeywordsCompletionProvider.cs

@@ -49,7 +49,8 @@ protected override bool AddLookupItems(GherkinSpecificCodeCompletionContext cont
         {
             var settings = context.BasicContext.PsiServices.GetComponent<SpecflowSettingsProvider>();
             var keywordProvider = context.BasicContext.PsiServices.LanguageManager.GetService<GherkinKeywordProvider>(GherkinLanguage.Instance.NotNull());
-            var keywordList = keywordProvider.GetKeywordsList(context.GherkinFile.Lang ?? settings.GetSettings(context.BasicContext.File.GetProject()).Language.Feature);
+            var project = context.BasicContext.File.GetProject();
+            var keywordList = keywordProvider.GetKeywordsList(context.GherkinFile.Lang ?? settings.GetSettings(project).Language.Feature);
 
             if (context.NodeUnderCursor is IGherkinScenario)
                 return AddKeywordsLookupItemsForScenario(keywordList, context, collector);