diff options
Diffstat (limited to 'gopls/internal/regtest/bench/completion_bench_test.go')
| -rw-r--r-- | gopls/internal/regtest/bench/completion_bench_test.go | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/gopls/internal/regtest/bench/completion_bench_test.go b/gopls/internal/regtest/bench/completion_bench_test.go deleted file mode 100644 index a8ef47c20..000000000 --- a/gopls/internal/regtest/bench/completion_bench_test.go +++ /dev/null @@ -1,186 +0,0 @@ -// Copyright 2020 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package bench - -import ( - "flag" - "fmt" - "strings" - "testing" - - . "golang.org/x/tools/internal/lsp/regtest" - - "golang.org/x/tools/internal/lsp/fake" -) - -// dummyCompletionFunction to test manually configured completion using CLI. -func dummyCompletionFunction() { const s = "placeholder"; fmt.Printf("%s", s) } - -type completionBenchOptions struct { - workdir, file, locationRegexp string - printResults bool - // hook to run edits before initial completion, not supported for manually - // configured completions. - preCompletionEdits func(*Env) -} - -var completionOptions = completionBenchOptions{} - -func init() { - flag.StringVar(&completionOptions.workdir, "completion_workdir", "", "directory to run completion benchmarks in") - flag.StringVar(&completionOptions.file, "completion_file", "", "relative path to the file to complete in") - flag.StringVar(&completionOptions.locationRegexp, "completion_regexp", "", "regexp location to complete at") - flag.BoolVar(&completionOptions.printResults, "completion_print_results", false, "whether to print completion results") -} - -func benchmarkCompletion(options completionBenchOptions, t *testing.T) { - if completionOptions.workdir == "" { - t.Skip("-completion_workdir not configured, skipping benchmark") - } - - opts := stressTestOptions(options.workdir) - - // Completion gives bad results if IWL is not yet complete, so we must await - // it first (and therefore need hooks). - opts = append(opts, SkipHooks(false)) - - WithOptions(opts...).Run(t, "", func(t *testing.T, env *Env) { - env.OpenFile(options.file) - - // Run edits required for this completion. - if options.preCompletionEdits != nil { - options.preCompletionEdits(env) - } - - // Run a completion to make sure the system is warm. - pos := env.RegexpSearch(options.file, options.locationRegexp) - completions := env.Completion(options.file, pos) - - if options.printResults { - fmt.Println("Results:") - for i := 0; i < len(completions.Items); i++ { - fmt.Printf("\t%d. %v\n", i, completions.Items[i]) - } - } - - results := testing.Benchmark(func(b *testing.B) { - for i := 0; i < b.N; i++ { - env.Completion(options.file, pos) - } - }) - - printBenchmarkResults(results) - }) -} - -// endPosInBuffer returns the position for last character in the buffer for -// the given file. -func endPosInBuffer(env *Env, name string) fake.Pos { - buffer := env.Editor.BufferText(name) - lines := strings.Split(buffer, "\n") - numLines := len(lines) - - return fake.Pos{ - Line: numLines - 1, - Column: len([]rune(lines[numLines-1])), - } -} - -// Benchmark completion at a specified file and location. When no CLI options -// are specified, this test is skipped. -// To Run (from x/tools/gopls) against the dummy function above: -// go test -v ./internal/regtest/bench -run=TestBenchmarkConfiguredCompletion -// -completion_workdir="$HOME/Developer/tools" -// -completion_file="gopls/internal/regtest/completion_bench_test.go" -// -completion_regexp="dummyCompletionFunction.*fmt\.Printf\(\"%s\", s(\))" -func TestBenchmarkConfiguredCompletion(t *testing.T) { - benchmarkCompletion(completionOptions, t) -} - -// To run (from x/tools/gopls): -// go test -v ./internal/regtest/bench -run TestBenchmark<>Completion -// -completion_workdir="$HOME/Developer/tools" -// where <> is one of the tests below. completion_workdir should be path to -// x/tools on your system. - -// Benchmark struct completion in tools codebase. -func TestBenchmarkStructCompletion(t *testing.T) { - file := "internal/lsp/cache/session.go" - - preCompletionEdits := func(env *Env) { - env.OpenFile(file) - originalBuffer := env.Editor.BufferText(file) - env.EditBuffer(file, fake.Edit{ - End: endPosInBuffer(env, file), - Text: originalBuffer + "\nvar testVariable map[string]bool = Session{}.\n", - }) - } - - benchmarkCompletion(completionBenchOptions{ - workdir: completionOptions.workdir, - file: file, - locationRegexp: `var testVariable map\[string\]bool = Session{}(\.)`, - preCompletionEdits: preCompletionEdits, - printResults: completionOptions.printResults, - }, t) -} - -// Benchmark import completion in tools codebase. -func TestBenchmarkImportCompletion(t *testing.T) { - benchmarkCompletion(completionBenchOptions{ - workdir: completionOptions.workdir, - file: "internal/lsp/source/completion/completion.go", - locationRegexp: `go\/()`, - printResults: completionOptions.printResults, - }, t) -} - -// Benchmark slice completion in tools codebase. -func TestBenchmarkSliceCompletion(t *testing.T) { - file := "internal/lsp/cache/session.go" - - preCompletionEdits := func(env *Env) { - env.OpenFile(file) - originalBuffer := env.Editor.BufferText(file) - env.EditBuffer(file, fake.Edit{ - End: endPosInBuffer(env, file), - Text: originalBuffer + "\nvar testVariable []byte = \n", - }) - } - - benchmarkCompletion(completionBenchOptions{ - workdir: completionOptions.workdir, - file: file, - locationRegexp: `var testVariable \[\]byte (=)`, - preCompletionEdits: preCompletionEdits, - printResults: completionOptions.printResults, - }, t) -} - -// Benchmark deep completion in function call in tools codebase. -func TestBenchmarkFuncDeepCompletion(t *testing.T) { - file := "internal/lsp/source/completion/completion.go" - fileContent := ` -func (c *completer) _() { - c.inference.kindMatches(c.) -} -` - preCompletionEdits := func(env *Env) { - env.OpenFile(file) - originalBuffer := env.Editor.BufferText(file) - env.EditBuffer(file, fake.Edit{ - End: endPosInBuffer(env, file), - Text: originalBuffer + fileContent, - }) - } - - benchmarkCompletion(completionBenchOptions{ - workdir: completionOptions.workdir, - file: file, - locationRegexp: `func \(c \*completer\) _\(\) {\n\tc\.inference\.kindMatches\((c)`, - preCompletionEdits: preCompletionEdits, - printResults: completionOptions.printResults, - }, t) -} |