Giant blob of minor changes

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201028153306-37f0764111ff / internal / lsp / cmd / test / format.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/internal/lsp/cmd/test/format.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/internal/lsp/cmd/test/format.go
new file mode 100644 (file)
index 0000000..f5b4631
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/internal/lsp/cmd/test/format.go
@@ -0,0 +1,86 @@
+// 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 (
+       "bytes"
+       "io/ioutil"
+       "os"
+       "os/exec"
+       "regexp"
+       "strings"
+       "testing"
+
+       "golang.org/x/tools/internal/span"
+       "golang.org/x/tools/internal/testenv"
+)
+
+func (r *runner) Format(t *testing.T, spn span.Span) {
+       tag := "gofmt"
+       uri := spn.URI()
+       filename := uri.Filename()
+       expect := string(r.data.Golden(tag, filename, func() ([]byte, error) {
+               cmd := exec.Command("gofmt", filename)
+               contents, _ := cmd.Output() // ignore error, sometimes we have intentionally ungofmt-able files
+               contents = []byte(r.Normalize(fixFileHeader(string(contents))))
+               return contents, nil
+       }))
+       if expect == "" {
+               //TODO: our error handling differs, for now just skip unformattable files
+               t.Skip("Unformattable file")
+       }
+       got, _ := r.NormalizeGoplsCmd(t, "format", filename)
+       if expect != got {
+               t.Errorf("format failed for %s expected:\n%s\ngot:\n%s", filename, expect, got)
+       }
+       // now check we can build a valid unified diff
+       unified, _ := r.NormalizeGoplsCmd(t, "format", "-d", filename)
+       checkUnified(t, filename, expect, unified)
+}
+
+var unifiedHeader = regexp.MustCompile(`^diff -u.*\n(---\s+\S+\.go\.orig)\s+[\d-:. ]+(\n\+\+\+\s+\S+\.go)\s+[\d-:. ]+(\n@@)`)
+
+func fixFileHeader(s string) string {
+       match := unifiedHeader.FindStringSubmatch(s)
+       if match == nil {
+               return s
+       }
+       return strings.Join(append(match[1:], s[len(match[0]):]), "")
+}
+
+func checkUnified(t *testing.T, filename string, expect string, patch string) {
+       testenv.NeedsTool(t, "patch")
+       if strings.Count(patch, "\n+++ ") > 1 {
+               // TODO(golang/go/#34580)
+               t.Skip("multi-file patch tests not supported yet")
+       }
+       applied := ""
+       if patch == "" {
+               applied = expect
+       } else {
+               temp, err := ioutil.TempFile("", "applied")
+               if err != nil {
+                       t.Fatal(err)
+               }
+               temp.Close()
+               defer os.Remove(temp.Name())
+               cmd := exec.Command("patch", "-u", "-p0", "-o", temp.Name(), filename)
+               cmd.Stdin = bytes.NewBuffer([]byte(patch))
+               msg, err := cmd.CombinedOutput()
+               if err != nil {
+                       t.Errorf("failed applying patch to %s: %v\ngot:\n%s\npatch:\n%s", filename, err, msg, patch)
+                       return
+               }
+               out, err := ioutil.ReadFile(temp.Name())
+               if err != nil {
+                       t.Errorf("failed reading patched output for %s: %v\n", filename, err)
+                       return
+               }
+               applied = string(out)
+       }
+       if expect != applied {
+               t.Errorf("apply unified gave wrong result for %s expected:\n%s\ngot:\n%s\npatch:\n%s", filename, expect, applied, patch)
+       }
+}