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go/internal/lsp/cmd/test/rename.go
Ian Cottrell 030b2cf115 internal/lsp: change the unified diff tests to be less fragile
Change-Id: Ifd9dd5684c8467442cb551a72b4d35ae6faed599
Reviewed-on: https://go-review.googlesource.com/c/tools/+/197158
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-09-27 19:13:25 +00:00

41 lines
1.2 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"
"testing"
"golang.org/x/tools/internal/lsp/cmd"
"golang.org/x/tools/internal/span"
"golang.org/x/tools/internal/tool"
)
func (r *runner) Rename(t *testing.T, spn span.Span, newText string) {
filename := spn.URI().Filename()
goldenTag := newText + "-rename"
app := cmd.New("gopls-test", r.data.Config.Dir, r.data.Config.Env)
loc := fmt.Sprintf("%v", spn)
var err error
got := CaptureStdOut(t, func() {
err = tool.Run(r.ctx, app, []string{"-remote=internal", "rename", loc, newText})
})
if err != nil {
got = err.Error()
}
got = normalizePaths(r.data, got)
expect := string(r.data.Golden(goldenTag, filename, func() ([]byte, error) {
return []byte(got), nil
}))
if expect != got {
t.Errorf("rename failed with %v %v expected:\n%s\ngot:\n%s", loc, newText, expect, got)
}
// now check we can build a valid unified diff
unified := CaptureStdOut(t, func() {
_ = tool.Run(r.ctx, app, []string{"-remote=internal", "rename", "-d", loc, newText})
})
checkUnified(t, filename, expect, unified)
}