6997: Add test case for (*UnixVolume)IndexTo().

diff --git a/services/keepstore/volume_unix_test.go b/services/keepstore/volume_unix_test.go
index 6bafa7c1ca03a23ff39037e95a656b27222696c9..c104d41d82d6af1df462f966ccfc6b6072e265f2 100644 (file)
--- a/services/keepstore/volume_unix_test.go
+++ b/services/keepstore/volume_unix_test.go
@@ -5,6 +5,9 @@ import (
        "fmt"
        "io/ioutil"
        "os"
+       "regexp"
+       "sort"
+       "strings"
        "syscall"
        "testing"
        "time"
@@ -74,6 +77,42 @@ func TestGetNotFound(t *testing.T) {
        }
 }
 
+func TestIndexTo(t *testing.T) {
+       v := TempUnixVolume(t, false, false)
+       defer _teardown(v)
+
+       _store(t, v, TEST_HASH, TEST_BLOCK)
+       _store(t, v, TEST_HASH_2, TEST_BLOCK_2)
+       _store(t, v, TEST_HASH_3, TEST_BLOCK_3)
+
+       buf := new(bytes.Buffer)
+       v.IndexTo("", buf)
+       index_rows := strings.Split(string(buf.Bytes()), "\n")
+       sort.Strings(index_rows)
+       sorted_index := strings.Join(index_rows, "\n")
+       m, err := regexp.MatchString(
+               `^\n`+TEST_HASH+`\+\d+ \d+\n`+
+                       TEST_HASH_3+`\+\d+ \d+\n`+
+                       TEST_HASH_2+`\+\d+ \d+$`,
+               sorted_index)
+       if err != nil {
+               t.Error(err)
+       } else if !m {
+               t.Errorf("Got index %q for empty prefix", sorted_index)
+       }
+
+       for _, prefix := range []string{"f", "f15", "f15ac"} {
+               buf = new(bytes.Buffer)
+               v.IndexTo(prefix, buf)
+               m, err := regexp.MatchString(`^`+TEST_HASH_2+`\+\d+ \d+\n$`, string(buf.Bytes()))
+               if err != nil {
+                       t.Error(err)
+               } else if !m {
+                       t.Errorf("Got index %q for prefix %q", string(buf.Bytes()), prefix)
+               }
+       }
+}
+
 func TestPut(t *testing.T) {
        v := TempUnixVolume(t, false, false)
        defer _teardown(v)