golang.org/x/tools/gopls@v0.15.3/internal/test/integration/bench/implementations_test.go (about)

     1  // Copyright 2023 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package bench
     6  
     7  import "testing"
     8  
     9  func BenchmarkImplementations(b *testing.B) {
    10  	tests := []struct {
    11  		repo   string
    12  		file   string
    13  		regexp string
    14  	}{
    15  		{"google-cloud-go", "httpreplay/httpreplay.go", `type (Recorder)`},
    16  		{"istio", "pkg/config/mesh/watcher.go", `type (Watcher)`},
    17  		{"kubernetes", "pkg/controller/lookup_cache.go", `objectWithMeta`},
    18  		{"kuma", "api/generic/insights.go", `type (Insight)`},
    19  		{"pkgsite", "internal/datasource.go", `type (DataSource)`},
    20  		{"starlark", "syntax/syntax.go", `type (Expr)`},
    21  		{"tools", "internal/lsp/source/view.go", `type (Snapshot)`},
    22  	}
    23  
    24  	for _, test := range tests {
    25  		b.Run(test.repo, func(b *testing.B) {
    26  			env := getRepo(b, test.repo).sharedEnv(b)
    27  			env.OpenFile(test.file)
    28  			defer closeBuffer(b, env, test.file)
    29  
    30  			loc := env.RegexpSearch(test.file, test.regexp)
    31  			env.AfterChange()
    32  			env.Implementations(loc) // pre-warm the query
    33  			b.ResetTimer()
    34  
    35  			if stopAndRecord := startProfileIfSupported(b, env, qualifiedName(test.repo, "implementations")); stopAndRecord != nil {
    36  				defer stopAndRecord()
    37  			}
    38  
    39  			for i := 0; i < b.N; i++ {
    40  				env.Implementations(loc)
    41  			}
    42  		})
    43  	}
    44  }