| 1 | using CascadeIDE.Features.WorkspaceNavigation.Application; |
| 2 | using CascadeIDE.Services.CodeNavigation; |
| 3 | using Microsoft.CodeAnalysis.CSharp; |
| 4 | using Xunit; |
| 5 | |
| 6 | namespace CascadeIDE.Tests; |
| 7 | |
| 8 | public sealed class CodeNavigationControlFlowScopeResolverTests |
| 9 | { |
| 10 | [Fact] |
| 11 | public void TryFindScope_InClassMethod_ReturnsMethodBody() |
| 12 | { |
| 13 | const string source = """ |
| 14 | using System; |
| 15 | |
| 16 | var x = 1; |
| 17 | if (x > 0) { } |
| 18 | |
| 19 | class SmokeClient |
| 20 | { |
| 21 | public void RequestPermissionAsync() |
| 22 | { |
| 23 | DoWork(); |
| 24 | } |
| 25 | |
| 26 | void DoWork() { } |
| 27 | } |
| 28 | """; |
| 29 | |
| 30 | var tree = CSharpSyntaxTree.ParseText(source); |
| 31 | var root = tree.GetRoot()!; |
| 32 | var offset = source.IndexOf("DoWork();", StringComparison.Ordinal); |
| 33 | var (line, col) = WorkspaceNavigationMapOrchestrator.ComputeLineColumn(source, offset); |
| 34 | |
| 35 | var scope = CodeNavigationControlFlowScopeResolver.TryFindScope(root, tree, line, col); |
| 36 | |
| 37 | Assert.NotNull(scope); |
| 38 | Assert.False(scope.IsTopLevel); |
| 39 | Assert.Equal("RequestPermissionAsync", scope.ScopeLabel); |
| 40 | } |
| 41 | |
| 42 | [Fact] |
| 43 | public void TryFindScope_InTopLevel_ReturnsAllGlobals() |
| 44 | { |
| 45 | const string source = """ |
| 46 | var x = 1; |
| 47 | Console.WriteLine(x); |
| 48 | """; |
| 49 | |
| 50 | var tree = CSharpSyntaxTree.ParseText(source); |
| 51 | var root = tree.GetRoot()!; |
| 52 | var scope = CodeNavigationControlFlowScopeResolver.TryFindScope(root, tree, line: 2, column: 5); |
| 53 | |
| 54 | Assert.NotNull(scope); |
| 55 | Assert.True(scope.IsTopLevel); |
| 56 | Assert.Equal(2, scope.TopLevelStatements.Count); |
| 57 | } |
| 58 | |
| 59 | [Fact] |
| 60 | public void TryFindScope_InLocalFunction_ReturnsFunctionBody() |
| 61 | { |
| 62 | const string source = """ |
| 63 | var x = 1; |
| 64 | |
| 65 | static void Helper() |
| 66 | { |
| 67 | Console.WriteLine("hi"); |
| 68 | } |
| 69 | """; |
| 70 | |
| 71 | var tree = CSharpSyntaxTree.ParseText(source); |
| 72 | var root = tree.GetRoot()!; |
| 73 | var offset = source.IndexOf("Console.WriteLine", StringComparison.Ordinal); |
| 74 | var (line, col) = WorkspaceNavigationMapOrchestrator.ComputeLineColumn(source, offset); |
| 75 | |
| 76 | var scope = CodeNavigationControlFlowScopeResolver.TryFindScope(root, tree, line, col); |
| 77 | |
| 78 | Assert.NotNull(scope); |
| 79 | Assert.False(scope.IsTopLevel); |
| 80 | Assert.Equal("Helper", scope.ScopeLabel); |
| 81 | } |
| 82 | |
| 83 | [Fact] |
| 84 | public void BuildJson_AcpSmoke_InSmokeClientMethod_SmallerThanTopLevel() |
| 85 | { |
| 86 | var path = Path.GetFullPath(Path.Combine( |
| 87 | AppContext.BaseDirectory, |
| 88 | "..", "..", "..", "..", "..", |
| 89 | "samples", "AcpSmokeDotnet", "Program.cs")); |
| 90 | Assert.True(File.Exists(path), path); |
| 91 | |
| 92 | var source = File.ReadAllText(path); |
| 93 | var methodOffset = source.IndexOf("RequestPermissionAsync", StringComparison.Ordinal); |
| 94 | var (methodLine, methodCol) = WorkspaceNavigationMapOrchestrator.ComputeLineColumn(source, methodOffset); |
| 95 | |
| 96 | var topOffset = source.IndexOf("InitializeAsync", StringComparison.Ordinal); |
| 97 | var (topLine, topCol) = WorkspaceNavigationMapOrchestrator.ComputeLineColumn(source, topOffset); |
| 98 | |
| 99 | var methodJson = CodeNavigationMethodIntentSubgraphBuilder.BuildJson( |
| 100 | path, source, methodLine, methodCol, 48, 96); |
| 101 | var topJson = CodeNavigationMethodIntentSubgraphBuilder.BuildJson( |
| 102 | path, source, topLine, topCol, 48, 96); |
| 103 | |
| 104 | using var methodDoc = System.Text.Json.JsonDocument.Parse(methodJson); |
| 105 | using var topDoc = System.Text.Json.JsonDocument.Parse(topJson); |
| 106 | var methodNodes = methodDoc.RootElement.GetProperty("nodes").GetArrayLength(); |
| 107 | var topNodes = topDoc.RootElement.GetProperty("nodes").GetArrayLength(); |
| 108 | |
| 109 | Assert.True(methodNodes < topNodes, $"method={methodNodes}, top-level={topNodes}"); |
| 110 | Assert.True(methodNodes <= 6, $"method scope should be compact, got {methodNodes}"); |
| 111 | Assert.True(topNodes >= 15, $"top-level should be large, got {topNodes}"); |
| 112 | } |
| 113 | } |
| 114 | |