ref: 4e5b4ac504b216b034eba456b6101635afc6d006
parent: 6b8422bb35b7c9eada3a62563f2056eee29f94e0
author: Cameron Moore <moorereason@gmail.com>
date: Thu Dec 22 12:39:38 EST 2016
tpl: Update lower to accept interface{} params
Updates #2822
--- a/tpl/template_funcs.go
+++ b/tpl/template_funcs.go
@@ -1446,6 +1446,17 @@
return template.HTML(strings.TrimRight(s, "\r\n")), nil
}
+// lower returns a copy of the input s with all Unicode letters mapped to their
+// lower case.
+func lower(s interface{}) (string, error) {+ ss, err := cast.ToStringE(s)
+ if err != nil {+ return "", err
+ }
+
+ return strings.ToLower(ss), nil
+}
+
// trim leading/trailing characters defined by b from a
func trim(a interface{}, b string) (string, error) {aStr, err := cast.ToStringE(a)
@@ -2090,7 +2101,7 @@
"jsonify": jsonify,
"last": last,
"le": le,
- "lower": func(a string) string { return strings.ToLower(a) },+ "lower": lower,
"lt": lt,
"markdownify": markdownify,
"md5": md5,
--- a/tpl/template_funcs_test.go
+++ b/tpl/template_funcs_test.go
@@ -1999,6 +1999,29 @@
}
}
+func TestLower(t *testing.T) {+ cases := []struct {+ s interface{}+ want string
+ isErr bool
+ }{+ {"TEST", "test", false},+ {template.HTML("LoWeR"), "lower", false},+ {[]byte("BYTES"), "bytes", false},+ }
+
+ for i, c := range cases {+ res, err := lower(c.s)
+ if (err != nil) != c.isErr {+ t.Fatalf("[%d] unexpected isErr state: want %v, got %v, err = %v", i, c.want, (err != nil), err)+ }
+
+ if res != c.want {+ t.Errorf("[%d] lower failed: want %v, got %v", i, c.want, res)+ }
+ }
+}
+
func TestHighlight(t *testing.T) { code := "func boo() {}"highlighted, err := highlight(code, "go", "")
--
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