.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/internal/lsp/cmd/test/check.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 cmdtest
   6
   7 import (
   8         "fmt"
   9         "io/ioutil"
  10         "strings"
  11         "testing"
  12
  13         "golang.org/x/tools/internal/lsp/source"
  14         "golang.org/x/tools/internal/span"
  15 )
  16
  17 func (r *runner) Diagnostics(t *testing.T, uri span.URI, want []*source.Diagnostic) {
  18         if len(want) == 1 && want[0].Message == "" {
  19                 return
  20         }
  21         fname := uri.Filename()
  22         out, _ := r.runGoplsCmd(t, "check", fname)
  23         // parse got into a collection of reports
  24         got := map[string]struct{}{}
  25         for _, l := range strings.Split(out, "\n") {
  26                 if len(l) == 0 {
  27                         continue
  28                 }
  29                 // parse and reprint to normalize the span
  30                 bits := strings.SplitN(l, ": ", 2)
  31                 if len(bits) == 2 {
  32                         spn := span.Parse(strings.TrimSpace(bits[0]))
  33                         spn = span.New(spn.URI(), spn.Start(), span.Point{})
  34                         data, err := ioutil.ReadFile(fname)
  35                         if err != nil {
  36                                 t.Fatal(err)
  37                         }
  38                         converter := span.NewContentConverter(fname, data)
  39                         s, err := spn.WithPosition(converter)
  40                         if err != nil {
  41                                 t.Fatal(err)
  42                         }
  43                         l = fmt.Sprintf("%s: %s", s, strings.TrimSpace(bits[1]))
  44                 }
  45                 got[r.NormalizePrefix(l)] = struct{}{}
  46         }
  47         for _, diag := range want {
  48                 expect := fmt.Sprintf("%v:%v:%v: %v", uri.Filename(), diag.Range.Start.Line+1, diag.Range.Start.Character+1, diag.Message)
  49                 if diag.Range.Start.Character == 0 {
  50                         expect = fmt.Sprintf("%v:%v: %v", uri.Filename(), diag.Range.Start.Line+1, diag.Message)
  51                 }
  52                 expect = r.NormalizePrefix(expect)
  53                 _, found := got[expect]
  54                 if !found {
  55                         t.Errorf("missing diagnostic %q, %v", expect, got)
  56                 } else {
  57                         delete(got, expect)
  58                 }
  59         }
  60         for extra := range got {
  61                 t.Errorf("extra diagnostic %q", extra)
  62         }
  63 }