tools/gopls/internal/cmd/spanformat_test.go

56 строки
1.9 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
import (
"fmt"
"path/filepath"
"strings"
"testing"
)
func TestSpanFormat(t *testing.T) {
formats := []string{"%v", "%#v", "%+v"}
// Element 0 is the input, and the elements 0-2 are the expected
// output in [%v %#v %+v] formats. Thus the first must be in
// canonical form (invariant under parseSpan + fmt.Sprint).
// The '#' form displays offsets; the '+' form outputs a URI.
// If len=4, element 0 is a noncanonical input and 1-3 are expected outputs.
for _, test := range [][]string{
{"C:/file_a", "C:/file_a", "file:///C:/file_a:#0"},
{"C:/file_b:1:2", "C:/file_b:1:2", "file:///C:/file_b:1:2"},
{"C:/file_c:1000", "C:/file_c:1000", "file:///C:/file_c:1000:1"},
{"C:/file_d:14:9", "C:/file_d:14:9", "file:///C:/file_d:14:9"},
{"C:/file_e:1:2-7", "C:/file_e:1:2-7", "file:///C:/file_e:1:2-1:7"},
{"C:/file_f:500-502", "C:/file_f:500-502", "file:///C:/file_f:500:1-502:1"},
{"C:/file_g:3:7-8", "C:/file_g:3:7-8", "file:///C:/file_g:3:7-3:8"},
{"C:/file_h:3:7-4:8", "C:/file_h:3:7-4:8", "file:///C:/file_h:3:7-4:8"},
{"C:/file_i:#100", "C:/file_i:#100", "file:///C:/file_i:#100"},
{"C:/file_j:#26-#28", "C:/file_j:#26-#28", "file:///C:/file_j:#26-0#28"}, // 0#28?
{"C:/file_h:3:7#26-4:8#37", // not canonical
"C:/file_h:3:7-4:8", "C:/file_h:#26-#37", "file:///C:/file_h:3:7#26-4:8#37"}} {
input := test[0]
spn := parseSpan(input)
wants := test[0:3]
if len(test) == 4 {
wants = test[1:4]
}
for i, format := range formats {
want := toPath(wants[i])
if got := fmt.Sprintf(format, spn); got != want {
t.Errorf("Sprintf(%q, %q) = %q, want %q", format, input, got, want)
}
}
}
}
func toPath(value string) string {
if strings.HasPrefix(value, "file://") {
return value
}
return filepath.FromSlash(value)
}