@@ -1,227 +0,0 @@
1−package watcher
2−
3−import (
4− "os"
5− "path/filepath"
6− "testing"
7− "time"
8−
9− "github.com/bmatcuk/doublestar/v4"
10−)
11−
12−// createTestWorkspace creates a temporary workspace with test files
13−func createTestWorkspace(tb testing.TB) string {
14− tmpDir, err := os.MkdirTemp("", "watcher_test")
15− if err != nil {
16− tb.Fatal(err)
17− }
18−
19− // Create test files for Go project
20− testFiles := []string{
21− "go.mod",
22− "go.sum",
23− "main.go",
24− "src/lib.go",
25− "src/utils.go",
26− "cmd/app.go",
27− "internal/config.go",
28− "internal/db.go",
29− "pkg/api.go",
30− "pkg/client.go",
31− "test/main_test.go",
32− "test/lib_test.go",
33− "docs/README.md",
34− "scripts/build.sh",
35− "Makefile",
36− }
37−
38− for _, file := range testFiles {
39− fullPath := filepath.Join(tmpDir, file)
40− dir := filepath.Dir(fullPath)
41−
42− if err := os.MkdirAll(dir, 0755); err != nil {
43− tb.Fatal(err)
44− }
45−
46− if err := os.WriteFile(fullPath, []byte("// test content"), 0644); err != nil {
47− tb.Fatal(err)
48− }
49− }
50−
51− return tmpDir
52−}
53−
54−// simulateOldApproach simulates the old file opening approach with per-file delays
55−func simulateOldApproach(workspacePath string, serverName string) (int, time.Duration) {
56− start := time.Now()
57− filesOpened := 0
58−
59− // Define patterns for high-priority files based on server type
60− var patterns []string
61−
62− switch serverName {
63− case "gopls":
64− patterns = []string{
65− "**/go.mod",
66− "**/go.sum",
67− "**/main.go",
68− }
69− default:
70− patterns = []string{
71− "**/package.json",
72− "**/Makefile",
73− }
74− }
75−
76− // OLD APPROACH: For each pattern, find and open matching files with per-file delays
77− for _, pattern := range patterns {
78− matches, err := doublestar.Glob(os.DirFS(workspacePath), pattern)
79− if err != nil {
80− continue
81− }
82−
83− for _, match := range matches {
84− fullPath := filepath.Join(workspacePath, match)
85− info, err := os.Stat(fullPath)
86− if err != nil || info.IsDir() {
87− continue
88− }
89−
90− // Simulate file opening (1ms overhead)
91− time.Sleep(1 * time.Millisecond)
92− filesOpened++
93−
94− // OLD: Add delay after each file
95− time.Sleep(20 * time.Millisecond)
96−
97− // Limit files
98− if filesOpened >= 5 {
99− break
100− }
101− }
102− }
103−
104− return filesOpened, time.Since(start)
105−}
106−
107−// simulateNewApproach simulates the new batched file opening approach
108−func simulateNewApproach(workspacePath string, serverName string) (int, time.Duration) {
109− start := time.Now()
110− filesOpened := 0
111−
112− // Define patterns for high-priority files based on server type
113− var patterns []string
114−
115− switch serverName {
116− case "gopls":
117− patterns = []string{
118− "**/go.mod",
119− "**/go.sum",
120− "**/main.go",
121− }
122− default:
123− patterns = []string{
124− "**/package.json",
125− "**/Makefile",
126− }
127− }
128−
129− // NEW APPROACH: Collect all files first
130− var filesToOpen []string
131−
132− // For each pattern, find matching files
133− for _, pattern := range patterns {
134− matches, err := doublestar.Glob(os.DirFS(workspacePath), pattern)
135− if err != nil {
136− continue
137− }
138−
139− for _, match := range matches {
140− fullPath := filepath.Join(workspacePath, match)
141− info, err := os.Stat(fullPath)
142− if err != nil || info.IsDir() {
143− continue
144− }
145−
146− filesToOpen = append(filesToOpen, fullPath)
147−
148− // Limit the number of files per pattern
149− if len(filesToOpen) >= 5 {
150− break
151− }
152− }
153− }
154−
155− // Open files in batches to reduce overhead
156− batchSize := 3
157− for i := 0; i < len(filesToOpen); i += batchSize {
158− end := min(i+batchSize, len(filesToOpen))
159−
160− // Open batch of files
161− for j := i; j < end; j++ {
162− // Simulate file opening (1ms overhead)
163− time.Sleep(1 * time.Millisecond)
164− filesOpened++
165− }
166−
167− // Only add delay between batches, not individual files
168− if end < len(filesToOpen) {
169− time.Sleep(50 * time.Millisecond)
170− }
171− }
172−
173− return filesOpened, time.Since(start)
174−}
175−
176−func BenchmarkOldApproach(b *testing.B) {
177− tmpDir := createTestWorkspace(b)
178− defer os.RemoveAll(tmpDir)
179−
180− b.ResetTimer()
181− for i := 0; i < b.N; i++ {
182− simulateOldApproach(tmpDir, "gopls")
183− }
184−}
185−
186−func BenchmarkNewApproach(b *testing.B) {
187− tmpDir := createTestWorkspace(b)
188− defer os.RemoveAll(tmpDir)
189−
190− b.ResetTimer()
191− for i := 0; i < b.N; i++ {
192− simulateNewApproach(tmpDir, "gopls")
193− }
194−}
195−
196−func TestPerformanceComparison(t *testing.T) {
197− tmpDir := createTestWorkspace(t)
198− defer os.RemoveAll(tmpDir)
199−
200− // Test old approach
201− filesOpenedOld, oldDuration := simulateOldApproach(tmpDir, "gopls")
202−
203− // Test new approach
204− filesOpenedNew, newDuration := simulateNewApproach(tmpDir, "gopls")
205−
206− t.Logf("Old approach: %d files in %v", filesOpenedOld, oldDuration)
207− t.Logf("New approach: %d files in %v", filesOpenedNew, newDuration)
208−
209− if newDuration > 0 && oldDuration > 0 {
210− improvement := float64(oldDuration-newDuration) / float64(oldDuration) * 100
211− t.Logf("Performance improvement: %.1f%%", improvement)
212−
213− if improvement <= 0 {
214− t.Errorf("Expected performance improvement, but new approach was slower")
215− }
216− }
217−
218− // Verify same number of files opened
219− if filesOpenedOld != filesOpenedNew {
220− t.Errorf("Different number of files opened: old=%d, new=%d", filesOpenedOld, filesOpenedNew)
221− }
222−
223− // Verify new approach is faster
224− if newDuration >= oldDuration {
225− t.Errorf("New approach should be faster: old=%v, new=%v", oldDuration, newDuration)
226− }
227−}