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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
commit47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch)
treea61a0ffd83f4a3def4b36e5c8e99630c559aa723 /src/html/template/template_test.go
parentInitial commit. (diff)
downloadgolang-1.18-upstream.tar.xz
golang-1.18-upstream.zip
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/html/template/template_test.go')
-rw-r--r--src/html/template/template_test.go218
1 files changed, 218 insertions, 0 deletions
diff --git a/src/html/template/template_test.go b/src/html/template/template_test.go
new file mode 100644
index 0000000..99a1091
--- /dev/null
+++ b/src/html/template/template_test.go
@@ -0,0 +1,218 @@
+// Copyright 2016 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_test
+
+import (
+ "bytes"
+ "encoding/json"
+ . "html/template"
+ "strings"
+ "testing"
+ "text/template/parse"
+)
+
+func TestTemplateClone(t *testing.T) {
+ // https://golang.org/issue/12996
+ orig := New("name")
+ clone, err := orig.Clone()
+ if err != nil {
+ t.Fatal(err)
+ }
+ if len(clone.Templates()) != len(orig.Templates()) {
+ t.Fatalf("Invalid length of t.Clone().Templates()")
+ }
+
+ const want = "stuff"
+ parsed := Must(clone.Parse(want))
+ var buf bytes.Buffer
+ err = parsed.Execute(&buf, nil)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if got := buf.String(); got != want {
+ t.Fatalf("got %q; want %q", got, want)
+ }
+}
+
+func TestRedefineNonEmptyAfterExecution(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, `foo`)
+ c.mustExecute(c.root, nil, "foo")
+ c.mustNotParse(c.root, `bar`)
+}
+
+func TestRedefineEmptyAfterExecution(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, ``)
+ c.mustExecute(c.root, nil, "")
+ c.mustNotParse(c.root, `foo`)
+ c.mustExecute(c.root, nil, "")
+}
+
+func TestRedefineAfterNonExecution(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, `{{if .}}<{{template "X"}}>{{end}}{{define "X"}}foo{{end}}`)
+ c.mustExecute(c.root, 0, "")
+ c.mustNotParse(c.root, `{{define "X"}}bar{{end}}`)
+ c.mustExecute(c.root, 1, "&lt;foo>")
+}
+
+func TestRedefineAfterNamedExecution(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, `<{{template "X" .}}>{{define "X"}}foo{{end}}`)
+ c.mustExecute(c.root, nil, "&lt;foo>")
+ c.mustNotParse(c.root, `{{define "X"}}bar{{end}}`)
+ c.mustExecute(c.root, nil, "&lt;foo>")
+}
+
+func TestRedefineNestedByNameAfterExecution(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, `{{define "X"}}foo{{end}}`)
+ c.mustExecute(c.lookup("X"), nil, "foo")
+ c.mustNotParse(c.root, `{{define "X"}}bar{{end}}`)
+ c.mustExecute(c.lookup("X"), nil, "foo")
+}
+
+func TestRedefineNestedByTemplateAfterExecution(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, `{{define "X"}}foo{{end}}`)
+ c.mustExecute(c.lookup("X"), nil, "foo")
+ c.mustNotParse(c.lookup("X"), `bar`)
+ c.mustExecute(c.lookup("X"), nil, "foo")
+}
+
+func TestRedefineSafety(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, `<html><a href="{{template "X"}}">{{define "X"}}{{end}}`)
+ c.mustExecute(c.root, nil, `<html><a href="">`)
+ // Note: Every version of Go prior to Go 1.8 accepted the redefinition of "X"
+ // on the next line, but luckily kept it from being used in the outer template.
+ // Now we reject it, which makes clearer that we're not going to use it.
+ c.mustNotParse(c.root, `{{define "X"}}" bar="baz{{end}}`)
+ c.mustExecute(c.root, nil, `<html><a href="">`)
+}
+
+func TestRedefineTopUse(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, `{{template "X"}}{{.}}{{define "X"}}{{end}}`)
+ c.mustExecute(c.root, 42, `42`)
+ c.mustNotParse(c.root, `{{define "X"}}<script>{{end}}`)
+ c.mustExecute(c.root, 42, `42`)
+}
+
+func TestRedefineOtherParsers(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, ``)
+ c.mustExecute(c.root, nil, ``)
+ if _, err := c.root.ParseFiles("no.template"); err == nil || !strings.Contains(err.Error(), "Execute") {
+ t.Errorf("ParseFiles: %v\nwanted error about already having Executed", err)
+ }
+ if _, err := c.root.ParseGlob("*.no.template"); err == nil || !strings.Contains(err.Error(), "Execute") {
+ t.Errorf("ParseGlob: %v\nwanted error about already having Executed", err)
+ }
+ if _, err := c.root.AddParseTree("t1", c.root.Tree); err == nil || !strings.Contains(err.Error(), "Execute") {
+ t.Errorf("AddParseTree: %v\nwanted error about already having Executed", err)
+ }
+}
+
+func TestNumbers(t *testing.T) {
+ c := newTestCase(t)
+ c.mustParse(c.root, `{{print 1_2.3_4}} {{print 0x0_1.e_0p+02}}`)
+ c.mustExecute(c.root, nil, "12.34 7.5")
+}
+
+func TestStringsInScriptsWithJsonContentTypeAreCorrectlyEscaped(t *testing.T) {
+ // See #33671 and #37634 for more context on this.
+ tests := []struct{ name, in string }{
+ {"empty", ""},
+ {"invalid", string(rune(-1))},
+ {"null", "\u0000"},
+ {"unit separator", "\u001F"},
+ {"tab", "\t"},
+ {"gt and lt", "<>"},
+ {"quotes", `'"`},
+ {"ASCII letters", "ASCII letters"},
+ {"Unicode", "ʕ⊙ϖ⊙ʔ"},
+ {"Pizza", "🍕"},
+ }
+ const (
+ prefix = `<script type="application/ld+json">`
+ suffix = `</script>`
+ templ = prefix + `"{{.}}"` + suffix
+ )
+ tpl := Must(New("JS string is JSON string").Parse(templ))
+ for _, tt := range tests {
+ t.Run(tt.name, func(t *testing.T) {
+ var buf bytes.Buffer
+ if err := tpl.Execute(&buf, tt.in); err != nil {
+ t.Fatalf("Cannot render template: %v", err)
+ }
+ trimmed := bytes.TrimSuffix(bytes.TrimPrefix(buf.Bytes(), []byte(prefix)), []byte(suffix))
+ var got string
+ if err := json.Unmarshal(trimmed, &got); err != nil {
+ t.Fatalf("Cannot parse JS string %q as JSON: %v", trimmed[1:len(trimmed)-1], err)
+ }
+ if got != tt.in {
+ t.Errorf("Serialization changed the string value: got %q want %q", got, tt.in)
+ }
+ })
+ }
+}
+
+func TestSkipEscapeComments(t *testing.T) {
+ c := newTestCase(t)
+ tr := parse.New("root")
+ tr.Mode = parse.ParseComments
+ newT, err := tr.Parse("{{/* A comment */}}{{ 1 }}{{/* Another comment */}}", "", "", make(map[string]*parse.Tree))
+ if err != nil {
+ t.Fatalf("Cannot parse template text: %v", err)
+ }
+ c.root, err = c.root.AddParseTree("root", newT)
+ if err != nil {
+ t.Fatalf("Cannot add parse tree to template: %v", err)
+ }
+ c.mustExecute(c.root, nil, "1")
+}
+
+type testCase struct {
+ t *testing.T
+ root *Template
+}
+
+func newTestCase(t *testing.T) *testCase {
+ return &testCase{
+ t: t,
+ root: New("root"),
+ }
+}
+
+func (c *testCase) lookup(name string) *Template {
+ return c.root.Lookup(name)
+}
+
+func (c *testCase) mustParse(t *Template, text string) {
+ _, err := t.Parse(text)
+ if err != nil {
+ c.t.Fatalf("parse: %v", err)
+ }
+}
+
+func (c *testCase) mustNotParse(t *Template, text string) {
+ _, err := t.Parse(text)
+ if err == nil {
+ c.t.Fatalf("parse: unexpected success")
+ }
+}
+
+func (c *testCase) mustExecute(t *Template, val any, want string) {
+ var buf bytes.Buffer
+ err := t.Execute(&buf, val)
+ if err != nil {
+ c.t.Fatalf("execute: %v", err)
+ }
+ if buf.String() != want {
+ c.t.Fatalf("template output:\n%s\nwant:\n%s", buf.String(), want)
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 09:24:35 +0000