Fix some analyzer warnings (#416)

.editorconfig

@@ -459,10 +459,6 @@ dotnet_naming_rule.parameters_rule.severity             = warning
 # https://github.com/DotNetAnalyzers/StyleCopAnalyzers
 ##########################################
 
-# https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1200.md
-# Using directive should appear within a namespace declaration
-dotnet_diagnostic.SA1200.severity = suggestion
-
 # https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1600.md
 # Elements should be documented
 dotnet_diagnostic.SA1600.severity = suggestion
@@ -500,10 +496,6 @@ dotnet_diagnostic.VSTHRD101.severity = suggestion
 # Add .ConfigureAwait(bool) to your await expression
 dotnet_diagnostic.VSTHRD111.severity = suggestion
 
-# https://github.com/microsoft/vs-threading/blob/main/doc/analyzers/VSTHRD200.md
-# Use "Async" suffix in names of methods that return an awaitable type
-dotnet_diagnostic.VSTHRD200.severity = suggestion
-
 ##########################################
 # Provided by Roslyn
 # https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/compiler-messages/
@@ -517,9 +509,6 @@ dotnet_diagnostic.CS0618.severity = suggestion
 # Missing XML comment for publicly visible type or member '...'
 dotnet_diagnostic.CS1591.severity = suggestion
 
-# IDE0003: Remove qualification
-dotnet_diagnostic.IDE0003.severity = suggestion
-
 # CA2007: Consider calling ConfigureAwait on the awaited task
 dotnet_diagnostic.CA2007.severity = suggestion
 
@@ -538,45 +527,21 @@ dotnet_diagnostic.CA1031.severity = suggestion
 # CA1711: Identifiers should not have incorrect suffix
 dotnet_diagnostic.CA1711.severity = suggestion
 
-# CA1018: Mark attributes with AttributeUsageAttribute
-dotnet_diagnostic.CA1018.severity = suggestion
-
-# CA1813: Avoid unsealed attributes
-dotnet_diagnostic.CA1813.severity = suggestion
-
 # CA2227: Collection properties should be read only
 dotnet_diagnostic.CA2227.severity = suggestion
 
-# CA1825: Avoid zero-length array allocations
-dotnet_diagnostic.CA1825.severity = suggestion
-
 # CA1310: Specify StringComparison for correctness
 dotnet_diagnostic.CA1310.severity = suggestion
 
 # CA1002: Do not expose generic lists
 dotnet_diagnostic.CA1002.severity = suggestion
 
-# IDE0008: Use explicit type
-dotnet_diagnostic.IDE0008.severity = suggestion
-
 # CA1305: Specify IFormatProvider
 dotnet_diagnostic.CA1305.severity = suggestion
 
-# CA1032: Implement standard exception constructors
-dotnet_diagnostic.CA1032.severity = suggestion
-
 # CA1051: Do not declare visible instance fields
 dotnet_diagnostic.CA1051.severity = suggestion
 
-# CA1401: P/Invokes should not be visible
-dotnet_diagnostic.CA1401.severity = suggestion
-
-# CA5392: Use DefaultDllImportSearchPaths attribute for P/Invokes
-dotnet_diagnostic.CA5392.severity = suggestion
-
-# CA2101: Specify marshaling for P/Invoke string arguments
-dotnet_diagnostic.CA2101.severity = suggestion
-
 # CA2211: Non-constant fields should not be visible
 dotnet_diagnostic.CA2211.severity = suggestion
 
@@ -592,42 +557,18 @@ dotnet_diagnostic.CA1822.severity = suggestion
 # CA1307: Specify StringComparison for clarity
 dotnet_diagnostic.CA1307.severity = suggestion
 
-# CA1052: Static holder types should be Static or NotInheritable
-dotnet_diagnostic.CA1052.severity = suggestion
-
-# CA1725: Parameter names should match base declaration
-dotnet_diagnostic.CA1725.severity = suggestion
-
-# CA1805: Do not initialize unnecessarily
-dotnet_diagnostic.CA1805.severity = suggestion
-
 # CA1806: Do not ignore method results
 dotnet_diagnostic.CA1806.severity = suggestion
 
 # CA1303: Do not pass literals as localized parameters
 dotnet_diagnostic.CA1303.severity = suggestion
 
-# CA1816: Dispose methods should call SuppressFinalize
-dotnet_diagnostic.CA1816.severity = suggestion
-
-# CA2249: Consider using 'string.Contains' instead of 'string.IndexOf'
-dotnet_diagnostic.CA2249.severity = suggestion
-
-# CA1836: Prefer IsEmpty over Count
-dotnet_diagnostic.CA1836.severity = suggestion
-
-# CA2208: Instantiate argument exceptions correctly
-dotnet_diagnostic.CA2208.severity = suggestion
-
 # CA1028: Enum Storage should be Int32
 dotnet_diagnostic.CA1028.severity = suggestion
 
 # CA1034: Nested types should not be visible
 dotnet_diagnostic.CA1034.severity = suggestion
 
-# CA1033: Interface methods should be callable by child types
-dotnet_diagnostic.CA1033.severity = suggestion
-
 # CA1054: URI-like parameters should not be strings
 dotnet_diagnostic.CA1054.severity = suggestion
 
@@ -637,42 +578,18 @@ dotnet_diagnostic.CA1027.severity = suggestion
 # CA1056: URI-like properties should not be strings
 dotnet_diagnostic.CA1056.severity = suggestion
 
-# CA1838: Avoid 'StringBuilder' parameters for P/Invokes
-dotnet_diagnostic.CA1838.severity = suggestion
-
 # CA2000: Dispose objects before losing scope
 dotnet_diagnostic.CA2000.severity = suggestion
 
-# CA2016: Forward the 'CancellationToken' parameter to methods
-dotnet_diagnostic.CA2016.severity = suggestion
-
 # CA1014: Mark assemblies with CLSCompliantAttribute
 dotnet_diagnostic.CA1014.severity = none
 
 # CA1824: Mark assemblies with NeutralResourcesLanguageAttribute
 dotnet_diagnostic.CA1824.severity = none
 
-# CA1508: Avoid dead conditional code
-dotnet_diagnostic.CA1508.severity = suggestion
-
-# CA1823: Avoid unused private fields
-dotnet_diagnostic.CA1823.severity = suggestion
-
-# CA2234: Pass system uri objects instead of strings
-dotnet_diagnostic.CA2234.severity = suggestion
-
-# SA1101: Prefix local calls with this
-dotnet_diagnostic.SA1101.severity = suggestion
-
 # CA2219: Do not raise exceptions in finally clauses
 dotnet_diagnostic.CA2219.severity = suggestion
 
-# CA2201: Exception type System.Exception is not sufficiently specific
-dotnet_diagnostic.CA2201.severity = suggestion
-
-# CA1835: Prefer the 'Memory'-based overloads for 'ReadAsync' and 'WriteAsync'
-dotnet_diagnostic.CA1835.severity = suggestion
-
 # CA1036: Override methods on comparable types
 dotnet_diagnostic.CA1036.severity = suggestion
 

src/Microsoft.ComponentDetection.Common/AsyncExecution.cs

@@ -1,9 +1,8 @@
-using System;
+namespace Microsoft.ComponentDetection.Common;
+using System;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace Microsoft.ComponentDetection.Common;
-
 public static class AsyncExecution
 {
     public static async Task<T> ExecuteWithTimeoutAsync<T>(Func<Task<T>> toExecute, TimeSpan timeout, CancellationToken cancellationToken)
@@ -31,7 +30,7 @@ public static async Task ExecuteVoidWithTimeoutAsync(Action toExecute, TimeSpan
             throw new ArgumentNullException(nameof(toExecute));
         }
 
-        var work = Task.Run(toExecute);
+        var work = Task.Run(toExecute, cancellationToken);
         var completedInTime = await Task.Run(() => work.Wait(timeout));
         if (!completedInTime)
         {

src/Microsoft.ComponentDetection.Common/CommandLineInvocationService.cs

@@ -1,4 +1,5 @@
-using System;
+namespace Microsoft.ComponentDetection.Common;
+using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -10,17 +11,15 @@
 using Microsoft.ComponentDetection.Common.Telemetry.Records;
 using Microsoft.ComponentDetection.Contracts;
 
-namespace Microsoft.ComponentDetection.Common;
-
 [Export(typeof(ICommandLineInvocationService))]
 public class CommandLineInvocationService : ICommandLineInvocationService
 {
     private readonly IDictionary<string, string> commandLocatableCache = new ConcurrentDictionary<string, string>();
 
-    public async Task<bool> CanCommandBeLocated(string command, IEnumerable<string> additionalCandidateCommands = null, DirectoryInfo workingDirectory = null, params string[] parameters)
+    public async Task<bool> CanCommandBeLocatedAsync(string command, IEnumerable<string> additionalCandidateCommands = null, DirectoryInfo workingDirectory = null, params string[] parameters)
     {
         additionalCandidateCommands ??= Enumerable.Empty<string>();
-        parameters ??= new string[0];
+        parameters ??= Array.Empty<string>();
         var allCommands = new[] { command }.Concat(additionalCandidateCommands);
         if (!this.commandLocatableCache.TryGetValue(command, out var validCommand))
         {
@@ -51,19 +50,19 @@ public async Task<bool> CanCommandBeLocated(string command, IEnumerable<string>
         return !string.IsNullOrWhiteSpace(validCommand);
     }
 
-    public async Task<CommandLineExecutionResult> ExecuteCommand(string command, IEnumerable<string> additionalCandidateCommands = null, DirectoryInfo workingDirectory = null, params string[] parameters)
+    public async Task<CommandLineExecutionResult> ExecuteCommandAsync(string command, IEnumerable<string> additionalCandidateCommands = null, DirectoryInfo workingDirectory = null, params string[] parameters)
     {
-        var isCommandLocatable = await this.CanCommandBeLocated(command, additionalCandidateCommands);
+        var isCommandLocatable = await this.CanCommandBeLocatedAsync(command, additionalCandidateCommands);
         if (!isCommandLocatable)
         {
             throw new InvalidOperationException(
-                $"{nameof(this.ExecuteCommand)} was called with a command that could not be located: `{command}`!");
+                $"{nameof(this.ExecuteCommandAsync)} was called with a command that could not be located: `{command}`!");
         }
 
         if (workingDirectory != null && !Directory.Exists(workingDirectory.FullName))
         {
             throw new InvalidOperationException(
-                $"{nameof(this.ExecuteCommand)} was called with a working directory that could not be located: `{workingDirectory.FullName}`");
+                $"{nameof(this.ExecuteCommandAsync)} was called with a working directory that could not be located: `{workingDirectory.FullName}`");
         }
 
         using var record = new CommandLineInvocationTelemetryRecord();
@@ -88,14 +87,14 @@ public bool IsCommandLineExecution()
         return true;
     }
 
-    public async Task<bool> CanCommandBeLocated(string command, IEnumerable<string> additionalCandidateCommands = null, params string[] parameters)
+    public async Task<bool> CanCommandBeLocatedAsync(string command, IEnumerable<string> additionalCandidateCommands = null, params string[] parameters)
     {
-        return await this.CanCommandBeLocated(command, additionalCandidateCommands, workingDirectory: null, parameters);
+        return await this.CanCommandBeLocatedAsync(command, additionalCandidateCommands, workingDirectory: null, parameters);
     }
 
-    public async Task<CommandLineExecutionResult> ExecuteCommand(string command, IEnumerable<string> additionalCandidateCommands = null, params string[] parameters)
+    public async Task<CommandLineExecutionResult> ExecuteCommandAsync(string command, IEnumerable<string> additionalCandidateCommands = null, params string[] parameters)
     {
-        return await this.ExecuteCommand(command, additionalCandidateCommands, workingDirectory: null, parameters);
+        return await this.ExecuteCommandAsync(command, additionalCandidateCommands, workingDirectory: null, parameters);
     }
 
     private static Task<CommandLineExecutionResult> RunProcessAsync(string fileName, string parameters, DirectoryInfo workingDirectory = null)

src/Microsoft.ComponentDetection.Common/ComponentComparer.cs

@@ -1,17 +1,16 @@
-using System.Collections.Generic;
+namespace Microsoft.ComponentDetection.Common;
+using System.Collections.Generic;
 using Microsoft.ComponentDetection.Contracts.TypedComponent;
 
-namespace Microsoft.ComponentDetection.Common;
-
 public class ComponentComparer : EqualityComparer<TypedComponent>
 {
-    public override bool Equals(TypedComponent t0, TypedComponent t1)
+    public override bool Equals(TypedComponent x, TypedComponent y)
     {
-        return t0.Id.Equals(t1.Id);
+        return x.Id.Equals(y.Id);
     }
 
-    public override int GetHashCode(TypedComponent typedComponent)
+    public override int GetHashCode(TypedComponent obj)
     {
-        return typedComponent.Id.GetHashCode();
+        return obj.Id.GetHashCode();
     }
 }

src/Microsoft.ComponentDetection.Common/ComponentStream.cs

@@ -1,8 +1,7 @@
-using System.IO;
+namespace Microsoft.ComponentDetection.Common;
+using System.IO;
 using Microsoft.ComponentDetection.Contracts;
 
-namespace Microsoft.ComponentDetection.Common;
-
 public class ComponentStream : IComponentStream
 {
     public Stream Stream { get; set; }

src/Microsoft.ComponentDetection.Common/ComponentStreamEnumerable.cs

@@ -1,11 +1,10 @@
-using System;
+namespace Microsoft.ComponentDetection.Common;
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.IO;
 using Microsoft.ComponentDetection.Contracts;
 
-namespace Microsoft.ComponentDetection.Common;
-
 public class ComponentStreamEnumerable : IEnumerable<IComponentStream>
 {
     public ComponentStreamEnumerable(IEnumerable<MatchedFile> fileEnumerable, ILogger logger)

src/Microsoft.ComponentDetection.Common/ComponentStreamEnumerableFactory.cs

@@ -1,11 +1,10 @@
-using System;
+namespace Microsoft.ComponentDetection.Common;
+using System;
 using System.Collections.Generic;
 using System.Composition;
 using System.IO;
 using Microsoft.ComponentDetection.Contracts;
 
-namespace Microsoft.ComponentDetection.Common;
-
 [Export(typeof(IComponentStreamEnumerableFactory))]
 [Shared]
 public class ComponentStreamEnumerableFactory : IComponentStreamEnumerableFactory

src/Microsoft.ComponentDetection.Common/ConsoleWritingService.cs

@@ -1,8 +1,7 @@
-using System;
+namespace Microsoft.ComponentDetection.Common;
+using System;
 using System.Composition;
 
-namespace Microsoft.ComponentDetection.Common;
-
 [Export(typeof(IConsoleWritingService))]
 public class ConsoleWritingService : IConsoleWritingService
 {

src/Microsoft.ComponentDetection.Common/DependencyGraph/ComponentRecorder.cs

@@ -90,7 +90,7 @@ internal DependencyGraph GetDependencyGraphForLocation(string location)
         return this.singleFileRecorders.Single(x => x.ManifestFileLocation == location).DependencyGraph;
     }
 
-    public class SingleFileComponentRecorder : ISingleFileComponentRecorder
+    public sealed class SingleFileComponentRecorder : ISingleFileComponentRecorder
     {
         private readonly ILogger log;
 

src/Microsoft.ComponentDetection.Common/DependencyGraph/DependencyGraph.cs

@@ -34,7 +34,7 @@ public void AddComponent(ComponentRefNode componentNode, string parentComponentI
 
         if (string.IsNullOrWhiteSpace(componentNode.Id))
         {
-            throw new ArgumentNullException(nameof(componentNode.Id));
+            throw new ArgumentNullException(nameof(componentNode.Id), "Invalid component node id");
         }
 
         this.componentNodes.AddOrUpdate(componentNode.Id, componentNode, (key, currentNode) =>
@@ -99,7 +99,7 @@ public HashSet<string> GetAdditionalRelatedFiles()
 
     public bool HasComponents()
     {
-        return this.componentNodes.Count > 0;
+        return !this.componentNodes.IsEmpty;
     }
 
     public bool? IsDevelopmentDependency(string componentId)

src/Microsoft.ComponentDetection.Common/DependencyScopeComparer.cs

@@ -1,12 +1,11 @@
-using Microsoft.ComponentDetection.Contracts.BcdeModels;
-
-namespace Microsoft.ComponentDetection.Common;
+namespace Microsoft.ComponentDetection.Common;
+using Microsoft.ComponentDetection.Contracts.BcdeModels;
 
 /// <summary>
 /// Merges dependnecy Scope in their order of Priority.
 /// Higher priority scope, as indicated by its lower enum value is given precendence.
 /// </summary>
-public class DependencyScopeComparer
+public static class DependencyScopeComparer
 {
     public static DependencyScope? GetMergedDependencyScope(DependencyScope? scope1, DependencyScope? scope2)
     {

src/Microsoft.ComponentDetection.Common/DetectorDependencies.cs

@@ -1,8 +1,7 @@
-using System.Composition;
+namespace Microsoft.ComponentDetection.Common;
+using System.Composition;
 using Microsoft.ComponentDetection.Contracts;
 
-namespace Microsoft.ComponentDetection.Common;
-
 [Export(typeof(IDetectorDependencies))]
 public class DetectorDependencies : IDetectorDependencies
 {

src/Microsoft.ComponentDetection.Common/DirectoryItemFacade.cs

@@ -1,9 +1,8 @@
-using System.Collections.Generic;
+namespace Microsoft.ComponentDetection.Common;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Microsoft.ComponentDetection.Contracts;
 
-namespace Microsoft.ComponentDetection.Common;
-
 [DebuggerDisplay("{Name}")]
 public class DirectoryItemFacade
 {