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go/internal/lsp/cmd/test/folding_range.go
Francesco Renzi a3f652f180 tools/gopls: add cmd support for folding_ranges
This change adds command line support for foldingRange.
Provided with a file, it will display a list of folding
ranges within that file, with 1-indexed positions using
the format
{startingLine}:{startingChar}-{endingLine}:{endingChar}

Example:

$ gopls folding_ranges ~/tmp/foo/main.go
$
$ 3:9-6:0
$ 10:22-11:32
$ 12:10-12:9
$ 12:20-30:0

Updates golang/go#32875

Change-Id: Ib35cf26088736e7c35612d783c80be7ae41b6a70
Reviewed-on: https://go-review.googlesource.com/c/tools/+/206158
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-11-12 00:55:09 +00:00

33 lines
789 B
Go

package cmdtest
import (
"fmt"
"testing"
"golang.org/x/tools/internal/lsp/cmd"
"golang.org/x/tools/internal/span"
"golang.org/x/tools/internal/tool"
)
func (r *runner) FoldingRanges(t *testing.T, spn span.Span) {
goldenTag := "foldingRange-cmd"
uri := spn.URI()
filename := uri.Filename()
app := cmd.New("gopls-test", r.data.Config.Dir, r.data.Config.Env, r.options)
got := CaptureStdOut(t, func() {
err := tool.Run(r.ctx, app, append([]string{"-remote=internal", "folding_ranges"}, filename))
if err != nil {
fmt.Println(err)
}
})
expect := string(r.data.Golden(goldenTag, filename, func() ([]byte, error) {
return []byte(got), nil
}))
if expect != got {
t.Errorf("folding_ranges failed failed for %s expected:\n%s\ngot:\n%s", filename, expect, got)
}
}