beginning to move sub functions into there own import paths

hash/hash.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"crypto/md5"
+	"fmt"
+	"hash/adler32"
+	"io"
+	"math/rand"
+	"time"
+)
+
+func Rand64() int64 {
+	return rand.Int63()
+}
+
+/* Convinience method for getting md5 sum of a string */
+func GetMd5FromString(blob string) (sum []byte) {
+	h := md5.New()
+	defer h.Reset()
+	io.WriteString(h, blob)
+	return h.Sum(nil)
+}
+
+/* Convinience method for getting md5 sum of some bytes */
+func GetMd5FromBytes(blob []byte) (sum []byte) {
+	h := md5.New()
+	defer h.Reset()
+	h.Write(blob)
+	return h.Sum(nil)
+}
+
+/* get a small, decently unique hash */
+func GetSmallHash() (small_hash string) {
+	h := adler32.New()
+	io.WriteString(h, fmt.Sprintf("%d", time.Now().Unix()))
+	return fmt.Sprintf("%X", h.Sum(nil))
+}

hash/hash_test.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestRand64(t *testing.T) {
+	var i interface{}
+	i = Rand64()
+	v, ok := i.(int64)
+	if !ok {
+		t.Errorf("Rand64 returned wrong type")
+	}
+	if v < 0 {
+		t.Errorf("Rand64 returned a too small number [%d]", v)
+	}
+}
+
+func TestMd5Bytes(t *testing.T) {
+	var blob = []byte("Hurp til you Derp")
+	var expected = "3ef08fa896a154eee3c97f037c9d6dfc"
+	var actual = fmt.Sprintf("%x", GetMd5FromBytes(blob))
+	if actual != expected {
+		t.Errorf("Md5FromBytes sum did not match! %s != %s", actual, expected)
+	}
+}
+
+func TestMd5String(t *testing.T) {
+	var blob = "Hurp til you Derp"
+	var expected = "3ef08fa896a154eee3c97f037c9d6dfc"
+	var actual = fmt.Sprintf("%x", GetMd5FromString(blob))
+	if actual != expected {
+		t.Errorf("Md5FromString sum did not match! %s != %s", actual, expected)
+	}
+}
+
+func TestHash(t *testing.T) {
+}