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go/internal/lsp/cmd/rename_test.go
hartzell 5eefd052ad tools/gopls: add command line support for rename
This commit adds support for calling rename from the gopls command
line, e.g.

$ gopls rename -w ~/tmp/foo/main.go:8:6
$ gopls rename -w ~/tmp/foo/main.go:#53

Optional arguments are:

- -w, which writes the changes back to the original file; and
- -d, which prints a unified diff to stdout

With no arguments, the changed files are printed to stdout.

It:

- adds internal/lsp/cmd/rename.go, which implements the command;
- adds "rename" to the list of commands in internal/lsp/cmd/cmd.go;
- removes the dummy test from internal/lsp/cmd/cmd_test.go; and
- adds internal/lsp/cmd/rename_test.go, which uses the existing
  "golden" data to implement its tests.

Updates #32875

Change-Id: I5cab5a40b4aa26357b26b0caf4ed54dbd2284d0f
GitHub-Last-Rev: fe853d325ef91f8f911987790fcba7a5a777b6ce
GitHub-Pull-Request: golang/tools#157
Reviewed-on: https://go-review.googlesource.com/c/tools/+/194878
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-09-20 22:57:31 +00:00

67 lines
1.7 KiB
Go

// Copyright 2019 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 cmd_test
import (
"fmt"
"sort"
"strings"
"testing"
"golang.org/x/tools/internal/lsp/cmd"
"golang.org/x/tools/internal/lsp/tests"
"golang.org/x/tools/internal/span"
"golang.org/x/tools/internal/tool"
)
var renameModes = [][]string{
[]string{},
[]string{"-d"},
}
func (r *runner) Rename(t *testing.T, data tests.Renames) {
sortedSpans := sortSpans(data) // run the tests in a repeatable order
for _, spn := range sortedSpans {
tag := data[spn]
filename := spn.URI().Filename()
for _, mode := range renameModes {
goldenTag := data[spn] + strings.Join(mode, "") + "-rename"
expect := string(r.data.Golden(goldenTag, filename, func() ([]byte, error) {
return []byte{}, nil
}))
app := cmd.New("gopls-test", r.data.Config.Dir, r.data.Config.Env)
loc := fmt.Sprintf("%v", spn)
args := []string{"-remote=internal", "rename"}
if strings.Join(mode, "") != "" {
args = append(args, strings.Join(mode, ""))
}
args = append(args, loc, tag)
var err error
got := captureStdOut(t, func() {
err = tool.Run(r.ctx, app, args)
})
if err != nil {
got = err.Error()
}
got = normalizePaths(r.data, got)
if expect != got {
t.Errorf("rename failed with %#v expected:\n%s\ngot:\n%s", args, expect, got)
}
}
}
}
func sortSpans(data map[span.Span]string) []span.Span {
spans := make([]span.Span, 0, len(data))
for spn, _ := range data {
spans = append(spans, spn)
}
sort.Slice(spans, func(i, j int) bool {
return span.Compare(spans[i], spans[j]) < 0
})
return spans
}