.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/internal/lsp/snippet/snippet_builder_test.go

   1 // Copyright 2019 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package snippet
   6
   7 import (
   8         "testing"
   9 )
  10
  11 func TestSnippetBuilder(t *testing.T) {
  12         expect := func(expected string, fn func(*Builder)) {
  13                 t.Helper()
  14
  15                 var b Builder
  16                 fn(&b)
  17                 if got := b.String(); got != expected {
  18                         t.Errorf("got %q, expected %q", got, expected)
  19                 }
  20         }
  21
  22         expect("", func(b *Builder) {})
  23
  24         expect(`hi { \} \$ | " , / \\`, func(b *Builder) {
  25                 b.WriteText(`hi { } $ | " , / \`)
  26         })
  27
  28         expect("${1:}", func(b *Builder) {
  29                 b.WritePlaceholder(nil)
  30         })
  31
  32         expect("hi ${1:there}", func(b *Builder) {
  33                 b.WriteText("hi ")
  34                 b.WritePlaceholder(func(b *Builder) {
  35                         b.WriteText("there")
  36                 })
  37         })
  38
  39         expect(`${1:id=${2:{your id\}}}`, func(b *Builder) {
  40                 b.WritePlaceholder(func(b *Builder) {
  41                         b.WriteText("id=")
  42                         b.WritePlaceholder(func(b *Builder) {
  43                                 b.WriteText("{your id}")
  44                         })
  45                 })
  46         })
  47
  48         expect(`${1|one,{ \} \$ \| " \, / \\,three|}`, func(b *Builder) {
  49                 b.WriteChoice([]string{"one", `{ } $ | " , / \`, "three"})
  50         })
  51
  52         expect("$0 hello", func(b *Builder) {
  53                 b.WriteFinalTabstop()
  54                 b.WriteText(" hello")
  55         })
  56 }