Giant blob of minor changes

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / mod@v0.3.0 / sumdb / dirhash / hash_test.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/mod@v0.3.0/sumdb/dirhash/hash_test.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/mod@v0.3.0/sumdb/dirhash/hash_test.go
new file mode 100644 (file)
index 0000000..ed463c1
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/mod@v0.3.0/sumdb/dirhash/hash_test.go
@@ -0,0 +1,135 @@
+// Copyright 2018 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 dirhash
+
+import (
+       "archive/zip"
+       "crypto/sha256"
+       "encoding/base64"
+       "fmt"
+       "io"
+       "io/ioutil"
+       "os"
+       "path/filepath"
+       "strings"
+       "testing"
+)
+
+func h(s string) string {
+       return fmt.Sprintf("%x", sha256.Sum256([]byte(s)))
+}
+
+func htop(k string, s string) string {
+       sum := sha256.Sum256([]byte(s))
+       return k + ":" + base64.StdEncoding.EncodeToString(sum[:])
+}
+
+func TestHash1(t *testing.T) {
+       files := []string{"xyz", "abc"}
+       open := func(name string) (io.ReadCloser, error) {
+               return ioutil.NopCloser(strings.NewReader("data for " + name)), nil
+       }
+       want := htop("h1", fmt.Sprintf("%s  %s\n%s  %s\n", h("data for abc"), "abc", h("data for xyz"), "xyz"))
+       out, err := Hash1(files, open)
+       if err != nil {
+               t.Fatal(err)
+       }
+       if out != want {
+               t.Errorf("Hash1(...) = %s, want %s", out, want)
+       }
+
+       _, err = Hash1([]string{"xyz", "a\nbc"}, open)
+       if err == nil {
+               t.Error("Hash1: expected error on newline in filenames")
+       }
+}
+
+func TestHashDir(t *testing.T) {
+       dir, err := ioutil.TempDir("", "dirhash-test-")
+       if err != nil {
+               t.Fatal(err)
+       }
+       defer os.RemoveAll(dir)
+       if err := ioutil.WriteFile(filepath.Join(dir, "xyz"), []byte("data for xyz"), 0666); err != nil {
+               t.Fatal(err)
+       }
+       if err := ioutil.WriteFile(filepath.Join(dir, "abc"), []byte("data for abc"), 0666); err != nil {
+               t.Fatal(err)
+       }
+       want := htop("h1", fmt.Sprintf("%s  %s\n%s  %s\n", h("data for abc"), "prefix/abc", h("data for xyz"), "prefix/xyz"))
+       out, err := HashDir(dir, "prefix", Hash1)
+       if err != nil {
+               t.Fatalf("HashDir: %v", err)
+       }
+       if out != want {
+               t.Errorf("HashDir(...) = %s, want %s", out, want)
+       }
+}
+
+func TestHashZip(t *testing.T) {
+       f, err := ioutil.TempFile("", "dirhash-test-")
+       if err != nil {
+               t.Fatal(err)
+       }
+       defer os.Remove(f.Name())
+       defer f.Close()
+
+       z := zip.NewWriter(f)
+       w, err := z.Create("prefix/xyz")
+       if err != nil {
+               t.Fatal(err)
+       }
+       w.Write([]byte("data for xyz"))
+       w, err = z.Create("prefix/abc")
+       if err != nil {
+               t.Fatal(err)
+       }
+       w.Write([]byte("data for abc"))
+       if err := z.Close(); err != nil {
+               t.Fatal(err)
+       }
+       if err := f.Close(); err != nil {
+               t.Fatal(err)
+       }
+
+       want := htop("h1", fmt.Sprintf("%s  %s\n%s  %s\n", h("data for abc"), "prefix/abc", h("data for xyz"), "prefix/xyz"))
+       out, err := HashZip(f.Name(), Hash1)
+       if err != nil {
+               t.Fatalf("HashDir: %v", err)
+       }
+       if out != want {
+               t.Errorf("HashDir(...) = %s, want %s", out, want)
+       }
+}
+
+func TestDirFiles(t *testing.T) {
+       dir, err := ioutil.TempDir("", "dirfiles-test-")
+       if err != nil {
+               t.Fatal(err)
+       }
+       defer os.RemoveAll(dir)
+       if err := ioutil.WriteFile(filepath.Join(dir, "xyz"), []byte("data for xyz"), 0666); err != nil {
+               t.Fatal(err)
+       }
+       if err := ioutil.WriteFile(filepath.Join(dir, "abc"), []byte("data for abc"), 0666); err != nil {
+               t.Fatal(err)
+       }
+       if err := os.Mkdir(filepath.Join(dir, "subdir"), 0777); err != nil {
+               t.Fatal(err)
+       }
+       if err := ioutil.WriteFile(filepath.Join(dir, "subdir", "xyz"), []byte("data for subdir xyz"), 0666); err != nil {
+               t.Fatal(err)
+       }
+       prefix := "foo/bar@v2.3.4"
+       out, err := DirFiles(dir, prefix)
+       if err != nil {
+               t.Fatalf("DirFiles: %v", err)
+       }
+       for _, file := range out {
+               if !strings.HasPrefix(file, prefix) {
+                       t.Errorf("Dir file = %s, want prefix %s", file, prefix)
+               }
+       }
+}