mirror of
https://github.com/golang/go
synced 2024-10-05 08:21:22 -06:00
001a8b11ff
- removed New(len int) in favor of new(Vector).Resize(len, cap) - removed Init(len int) in favor of Resize(len, cap) - runs all.bash Fixes #294. R=rsc, r, r1 https://golang.org/cl/157143
460 lines
9.0 KiB
Go
460 lines
9.0 KiB
Go
// Copyright 2009 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 template
|
|
|
|
import (
|
|
"bytes";
|
|
"container/vector";
|
|
"fmt";
|
|
"io";
|
|
"testing";
|
|
)
|
|
|
|
type Test struct {
|
|
in, out, err string;
|
|
}
|
|
|
|
type T struct {
|
|
item string;
|
|
value string;
|
|
}
|
|
|
|
type U struct {
|
|
mp map[string]int;
|
|
}
|
|
|
|
type S struct {
|
|
header string;
|
|
integer int;
|
|
raw string;
|
|
innerT T;
|
|
innerPointerT *T;
|
|
data []T;
|
|
pdata []*T;
|
|
empty []*T;
|
|
emptystring string;
|
|
null []*T;
|
|
vec *vector.Vector;
|
|
true bool;
|
|
false bool;
|
|
mp map[string]string;
|
|
innermap U;
|
|
}
|
|
|
|
var t1 = T{"ItemNumber1", "ValueNumber1"}
|
|
var t2 = T{"ItemNumber2", "ValueNumber2"}
|
|
|
|
func uppercase(v interface{}) string {
|
|
s := v.(string);
|
|
t := "";
|
|
for i := 0; i < len(s); i++ {
|
|
c := s[i];
|
|
if 'a' <= c && c <= 'z' {
|
|
c = c + 'A' - 'a'
|
|
}
|
|
t += string(c);
|
|
}
|
|
return t;
|
|
}
|
|
|
|
func plus1(v interface{}) string {
|
|
i := v.(int);
|
|
return fmt.Sprint(i + 1);
|
|
}
|
|
|
|
func writer(f func(interface{}) string) (func(io.Writer, interface{}, string)) {
|
|
return func(w io.Writer, v interface{}, format string) {
|
|
io.WriteString(w, f(v))
|
|
}
|
|
}
|
|
|
|
|
|
var formatters = FormatterMap{
|
|
"uppercase": writer(uppercase),
|
|
"+1": writer(plus1),
|
|
}
|
|
|
|
var tests = []*Test{
|
|
// Simple
|
|
&Test{"", "", ""},
|
|
&Test{"abc\ndef\n", "abc\ndef\n", ""},
|
|
&Test{" {.meta-left} \n", "{", ""},
|
|
&Test{" {.meta-right} \n", "}", ""},
|
|
&Test{" {.space} \n", " ", ""},
|
|
&Test{" {.tab} \n", "\t", ""},
|
|
&Test{" {#comment} \n", "", ""},
|
|
|
|
// Variables at top level
|
|
&Test{
|
|
in: "{header}={integer}\n",
|
|
|
|
out: "Header=77\n",
|
|
},
|
|
|
|
// Section
|
|
&Test{
|
|
in: "{.section data }\n"
|
|
"some text for the section\n"
|
|
"{.end}\n",
|
|
|
|
out: "some text for the section\n",
|
|
},
|
|
&Test{
|
|
in: "{.section data }\n"
|
|
"{header}={integer}\n"
|
|
"{.end}\n",
|
|
|
|
out: "Header=77\n",
|
|
},
|
|
&Test{
|
|
in: "{.section pdata }\n"
|
|
"{header}={integer}\n"
|
|
"{.end}\n",
|
|
|
|
out: "Header=77\n",
|
|
},
|
|
&Test{
|
|
in: "{.section pdata }\n"
|
|
"data present\n"
|
|
"{.or}\n"
|
|
"data not present\n"
|
|
"{.end}\n",
|
|
|
|
out: "data present\n",
|
|
},
|
|
&Test{
|
|
in: "{.section empty }\n"
|
|
"data present\n"
|
|
"{.or}\n"
|
|
"data not present\n"
|
|
"{.end}\n",
|
|
|
|
out: "data not present\n",
|
|
},
|
|
&Test{
|
|
in: "{.section null }\n"
|
|
"data present\n"
|
|
"{.or}\n"
|
|
"data not present\n"
|
|
"{.end}\n",
|
|
|
|
out: "data not present\n",
|
|
},
|
|
&Test{
|
|
in: "{.section pdata }\n"
|
|
"{header}={integer}\n"
|
|
"{.section @ }\n"
|
|
"{header}={integer}\n"
|
|
"{.end}\n"
|
|
"{.end}\n",
|
|
|
|
out: "Header=77\n"
|
|
"Header=77\n",
|
|
},
|
|
&Test{
|
|
in: "{.section data}{.end} {header}\n",
|
|
|
|
out: " Header\n",
|
|
},
|
|
|
|
// Repeated
|
|
&Test{
|
|
in: "{.section pdata }\n"
|
|
"{.repeated section @ }\n"
|
|
"{item}={value}\n"
|
|
"{.end}\n"
|
|
"{.end}\n",
|
|
|
|
out: "ItemNumber1=ValueNumber1\n"
|
|
"ItemNumber2=ValueNumber2\n",
|
|
},
|
|
&Test{
|
|
in: "{.section pdata }\n"
|
|
"{.repeated section @ }\n"
|
|
"{item}={value}\n"
|
|
"{.or}\n"
|
|
"this should not appear\n"
|
|
"{.end}\n"
|
|
"{.end}\n",
|
|
|
|
out: "ItemNumber1=ValueNumber1\n"
|
|
"ItemNumber2=ValueNumber2\n",
|
|
},
|
|
&Test{
|
|
in: "{.section @ }\n"
|
|
"{.repeated section empty }\n"
|
|
"{item}={value}\n"
|
|
"{.or}\n"
|
|
"this should appear: empty field\n"
|
|
"{.end}\n"
|
|
"{.end}\n",
|
|
|
|
out: "this should appear: empty field\n",
|
|
},
|
|
&Test{
|
|
in: "{.repeated section pdata }\n"
|
|
"{item}\n"
|
|
"{.alternates with}\n"
|
|
"is\nover\nmultiple\nlines\n"
|
|
"{.end}\n",
|
|
|
|
out: "ItemNumber1\n"
|
|
"is\nover\nmultiple\nlines\n"
|
|
"ItemNumber2\n",
|
|
},
|
|
&Test{
|
|
in: "{.section pdata }\n"
|
|
"{.repeated section @ }\n"
|
|
"{item}={value}\n"
|
|
"{.alternates with}DIVIDER\n"
|
|
"{.or}\n"
|
|
"this should not appear\n"
|
|
"{.end}\n"
|
|
"{.end}\n",
|
|
|
|
out: "ItemNumber1=ValueNumber1\n"
|
|
"DIVIDER\n"
|
|
"ItemNumber2=ValueNumber2\n",
|
|
},
|
|
&Test{
|
|
in: "{.repeated section vec }\n"
|
|
"{@}\n"
|
|
"{.end}\n",
|
|
|
|
out: "elt1\n"
|
|
"elt2\n",
|
|
},
|
|
&Test{
|
|
in: "{.repeated section integer}{.end}",
|
|
|
|
err: "line 1: .repeated: cannot repeat integer (type int)",
|
|
},
|
|
|
|
// Nested names
|
|
&Test{
|
|
in: "{.section @ }\n"
|
|
"{innerT.item}={innerT.value}\n"
|
|
"{.end}",
|
|
|
|
out: "ItemNumber1=ValueNumber1\n",
|
|
},
|
|
&Test{
|
|
in: "{.section @ }\n"
|
|
"{innerT.item}={.section innerT}{.section value}{@}{.end}{.end}\n"
|
|
"{.end}",
|
|
|
|
out: "ItemNumber1=ValueNumber1\n",
|
|
},
|
|
|
|
|
|
// Formatters
|
|
&Test{
|
|
in: "{.section pdata }\n"
|
|
"{header|uppercase}={integer|+1}\n"
|
|
"{header|html}={integer|str}\n"
|
|
"{.end}\n",
|
|
|
|
out: "HEADER=78\n"
|
|
"Header=77\n",
|
|
},
|
|
|
|
&Test{
|
|
in: "{raw}\n"
|
|
"{raw|html}\n",
|
|
|
|
out: "&<>!@ #$%^\n"
|
|
"&<>!@ #$%^\n",
|
|
},
|
|
|
|
&Test{
|
|
in: "{.section emptystring}emptystring{.end}\n"
|
|
"{.section header}header{.end}\n",
|
|
|
|
out: "\nheader\n",
|
|
},
|
|
|
|
&Test{
|
|
in: "{.section true}1{.or}2{.end}\n"
|
|
"{.section false}3{.or}4{.end}\n",
|
|
|
|
out: "1\n4\n",
|
|
},
|
|
|
|
// Maps
|
|
|
|
&Test{
|
|
in: "{mp.mapkey}\n",
|
|
|
|
out: "Ahoy!\n",
|
|
},
|
|
|
|
&Test{
|
|
in: "{innermap.mp.innerkey}\n",
|
|
|
|
out: "55\n",
|
|
},
|
|
}
|
|
|
|
func TestAll(t *testing.T) {
|
|
s := new(S);
|
|
// initialized by hand for clarity.
|
|
s.header = "Header";
|
|
s.integer = 77;
|
|
s.raw = "&<>!@ #$%^";
|
|
s.innerT = t1;
|
|
s.data = []T{t1, t2};
|
|
s.pdata = []*T{&t1, &t2};
|
|
s.empty = []*T{};
|
|
s.null = nil;
|
|
s.vec = new(vector.Vector);
|
|
s.vec.Push("elt1");
|
|
s.vec.Push("elt2");
|
|
s.true = true;
|
|
s.false = false;
|
|
s.mp = make(map[string]string);
|
|
s.mp["mapkey"] = "Ahoy!";
|
|
s.innermap.mp = make(map[string]int);
|
|
s.innermap.mp["innerkey"] = 55;
|
|
|
|
var buf bytes.Buffer;
|
|
for _, test := range tests {
|
|
buf.Reset();
|
|
tmpl, err := Parse(test.in, formatters);
|
|
if err != nil {
|
|
t.Error("unexpected parse error:", err);
|
|
continue;
|
|
}
|
|
err = tmpl.Execute(s, &buf);
|
|
if test.err == "" {
|
|
if err != nil {
|
|
t.Error("unexpected execute error:", err)
|
|
}
|
|
} else {
|
|
if err == nil || err.String() != test.err {
|
|
t.Errorf("expected execute error %q, got %q", test.err, err.String())
|
|
}
|
|
}
|
|
if buf.String() != test.out {
|
|
t.Errorf("for %q: expected %q got %q", test.in, test.out, buf.String())
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestMapDriverType(t *testing.T) {
|
|
mp := map[string]string{"footer": "Ahoy!"};
|
|
tmpl, err := Parse("template: {footer}", nil);
|
|
if err != nil {
|
|
t.Error("unexpected parse error:", err)
|
|
}
|
|
var b bytes.Buffer;
|
|
err = tmpl.Execute(mp, &b);
|
|
if err != nil {
|
|
t.Error("unexpected execute error:", err)
|
|
}
|
|
s := b.String();
|
|
expected := "template: Ahoy!";
|
|
if s != expected {
|
|
t.Errorf("failed passing string as data: expected %q got %q", "template: Ahoy!", s)
|
|
}
|
|
}
|
|
|
|
func TestStringDriverType(t *testing.T) {
|
|
tmpl, err := Parse("template: {@}", nil);
|
|
if err != nil {
|
|
t.Error("unexpected parse error:", err)
|
|
}
|
|
var b bytes.Buffer;
|
|
err = tmpl.Execute("hello", &b);
|
|
if err != nil {
|
|
t.Error("unexpected execute error:", err)
|
|
}
|
|
s := b.String();
|
|
if s != "template: hello" {
|
|
t.Errorf("failed passing string as data: expected %q got %q", "template: hello", s)
|
|
}
|
|
}
|
|
|
|
func TestTwice(t *testing.T) {
|
|
tmpl, err := Parse("template: {@}", nil);
|
|
if err != nil {
|
|
t.Error("unexpected parse error:", err)
|
|
}
|
|
var b bytes.Buffer;
|
|
err = tmpl.Execute("hello", &b);
|
|
if err != nil {
|
|
t.Error("unexpected parse error:", err)
|
|
}
|
|
s := b.String();
|
|
text := "template: hello";
|
|
if s != text {
|
|
t.Errorf("failed passing string as data: expected %q got %q", text, s)
|
|
}
|
|
err = tmpl.Execute("hello", &b);
|
|
if err != nil {
|
|
t.Error("unexpected parse error:", err)
|
|
}
|
|
s = b.String();
|
|
text += text;
|
|
if s != text {
|
|
t.Errorf("failed passing string as data: expected %q got %q", text, s)
|
|
}
|
|
}
|
|
|
|
func TestCustomDelims(t *testing.T) {
|
|
// try various lengths. zero should catch error.
|
|
for i := 0; i < 7; i++ {
|
|
for j := 0; j < 7; j++ {
|
|
tmpl := New(nil);
|
|
// first two chars deliberately the same to test equal left and right delims
|
|
ldelim := "$!#$%^&"[0:i];
|
|
rdelim := "$*&^%$!"[0:j];
|
|
tmpl.SetDelims(ldelim, rdelim);
|
|
// if braces, this would be template: {@}{.meta-left}{.meta-right}
|
|
text := "template: " +
|
|
ldelim + "@" + rdelim +
|
|
ldelim + ".meta-left" + rdelim +
|
|
ldelim + ".meta-right" + rdelim;
|
|
err := tmpl.Parse(text);
|
|
if err != nil {
|
|
if i == 0 || j == 0 { // expected
|
|
continue
|
|
}
|
|
t.Error("unexpected parse error:", err);
|
|
} else if i == 0 || j == 0 {
|
|
t.Errorf("expected parse error for empty delimiter: %d %d %q %q", i, j, ldelim, rdelim);
|
|
continue;
|
|
}
|
|
var b bytes.Buffer;
|
|
err = tmpl.Execute("hello", &b);
|
|
s := b.String();
|
|
if s != "template: hello"+ldelim+rdelim {
|
|
t.Errorf("failed delim check(%q %q) %q got %q", ldelim, rdelim, text, s)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test that a variable evaluates to the field itself and does not further indirection
|
|
func TestVarIndirection(t *testing.T) {
|
|
s := new(S);
|
|
// initialized by hand for clarity.
|
|
s.innerPointerT = &t1;
|
|
|
|
var buf bytes.Buffer;
|
|
input := "{.section @}{innerPointerT}{.end}";
|
|
tmpl, err := Parse(input, nil);
|
|
if err != nil {
|
|
t.Fatal("unexpected parse error:", err)
|
|
}
|
|
err = tmpl.Execute(s, &buf);
|
|
if err != nil {
|
|
t.Fatal("unexpected execute error:", err)
|
|
}
|
|
expect := fmt.Sprintf("%v", &t1); // output should be hex address of t1
|
|
if buf.String() != expect {
|
|
t.Errorf("for %q: expected %q got %q", input, expect, buf.String())
|
|
}
|
|
}
|