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// 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/protocol"
"golang.org/x/tools/internal/lsp/tests"
"golang.org/x/tools/internal/span"
)
func (r *runner) SignatureHelp(t *testing.T, spn span.Span, want *protocol.SignatureHelp) {
uri := spn.URI()
filename := uri.Filename()
target := filename + fmt.Sprintf(":%v:%v", spn.Start().Line(), spn.Start().Column())
got, _ := r.NormalizeGoplsCmd(t, "signature", target)
if want == nil {
if got != "" {
t.Fatalf("want nil, but got %s", got)
}
return
}
goldenTag := want.Signatures[0].Label + "-signature"
expect := string(r.data.Golden(goldenTag, filename, func() ([]byte, error) {
return []byte(got), nil
}))
if tests.NormalizeAny(expect) != tests.NormalizeAny(got) {
t.Errorf("signature failed for %s expected:\n%q\ngot:\n%q'", filename, expect, got)
}
}
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