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go/internal/lsp/fake/proxy.go
Rob Findley 84d0e3d1cc internal/lsp/regtest: add run options to support stress testing
A bunch of options are added to enable long-running performance-oriented
tests in existing directories. They will be used in a later CL to
implement a simple stress test, as an example of what is possible.

Change-Id: I531b201b415362ea135978238b3d64b903226359
Reviewed-on: https://go-review.googlesource.com/c/tools/+/244440
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-23 23:37:37 +00:00

37 lines
1.1 KiB
Go

// 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 fake
import (
"fmt"
"golang.org/x/tools/internal/proxydir"
)
// WriteProxy creates a new proxy file tree using the txtar-encoded content,
// and returns its URL.
func WriteProxy(tmpdir, txt string) (string, error) {
files := unpackTxt(txt)
type moduleVersion struct {
modulePath, version string
}
// Transform into the format expected by the proxydir package.
filesByModule := make(map[moduleVersion]map[string][]byte)
for name, data := range files {
modulePath, version, suffix := splitModuleVersionPath(name)
mv := moduleVersion{modulePath, version}
if _, ok := filesByModule[mv]; !ok {
filesByModule[mv] = make(map[string][]byte)
}
filesByModule[mv][suffix] = data
}
for mv, files := range filesByModule {
if err := proxydir.WriteModuleVersion(tmpdir, mv.modulePath, mv.version, files); err != nil {
return "", fmt.Errorf("error writing %s@%s: %v", mv.modulePath, mv.version, err)
}
}
return proxydir.ToURL(tmpdir), nil
}