Merge 65c643a into 79e3a68

.travis.yml

@@ -18,4 +18,4 @@ before_install:
   - go get github.com/mattn/goveralls
   - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
 script:
-    - $HOME/gopath/bin/goveralls -service=travis-ci
+    - $HOME/gopath/bin/goveralls -service=travis-ci

README.md

@@ -696,6 +696,23 @@ This function also supports unicode strings.
 
 
 
+#### randomintrange
+
+Returns a random integer value between the first and second argument
+
+* supported value types : int
+
+```
+{{ value | randomintrange 0 5}}
+```
+
+**Examples**
+
+1. If input is {{ randomintrange 0 5 }}, the output could be "4".
+
+
+
+
 #### striptags
 
 Makes all possible efforts to strip all [X]HTML tags from given value.

gtf.go

@@ -427,6 +427,12 @@ var GtfTextFuncMap = textTemplate.FuncMap{
 
 		return ""
 	},
+	"randomintrange": func(min, max int, value interface{}) int {
+		defer recovery()
+
+		rand.Seed(time.Now().UTC().UnixNano())
+		return rand.Intn(max-min) + min
+	},
 	"striptags": func(s string) string {
 		return strings.TrimSpace(striptagsRegexp.ReplaceAllString(s, ""))
 	},

gtf_test.go

@@ -3,6 +3,7 @@ package gtf
 import (
 	"bytes"
 	"html/template"
+	"strconv"
 	"testing"
 )
 
@@ -13,6 +14,17 @@ func AssertEqual(t *testing.T, buffer *bytes.Buffer, testString string) {
 	buffer.Reset()
 }
 
+func AssertIntInRange(t *testing.T, buffer *bytes.Buffer, min, max int) {
+	parsedInt, err := strconv.Atoi(buffer.String())
+	if err != nil {
+		t.Error(err)
+	}
+	if parsedInt < min || parsedInt > max {
+		t.Errorf("Expected to be within the range of %d and %d, got %d", min, max, parsedInt)
+	}
+	buffer.Reset()
+}
+
 func ParseTest(buffer *bytes.Buffer, body string, data interface{}) {
 	tpl := New("test")
 	tpl.Parse(body)
@@ -33,7 +45,7 @@ func TestGtfFuncMap(t *testing.T) {
 
 	ParseTest(&buffer, "{{ \"the go programming language\" | title }}", "")
 	AssertEqual(t, &buffer, "The Go Programming Language")
-	
+
 	ParseTest(&buffer, "{{ \"The Go Programming Language\" | default \"default value\" }}", "")
 	AssertEqual(t, &buffer, "The Go Programming Language")
 
@@ -358,6 +370,9 @@ func TestGtfFuncMap(t *testing.T) {
 	ParseTest(&buffer, "{{ . | random }}", [1]string{"go"})
 	AssertEqual(t, &buffer, "go")
 
+	ParseTest(&buffer, "{{ . | randomintrange 1 5 }}", false)
+	AssertIntInRange(t, &buffer, 1, 5)
+
 	ParseTest(&buffer, "{{ . | random }}", false)
 	AssertEqual(t, &buffer, "")