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go/internal/lsp/cmd/test/rename.go
Ian Cottrell 6816ec868d gopls: refactor the cmd tests
This allows them to be run from the gopls module as well to test
the code with the hooks installed.

Change-Id: I3079a04ffe3bd221ccc2523e746cbed384e05e2f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/196321
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-09-23 22:12:42 +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 cmdtest
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
}