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page_injector_test.go
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package web_test
import (
"context"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/qor5/web/v3"
"github.com/qor5/web/v3/multipartestutils"
h "github.com/theplant/htmlgo"
"github.com/theplant/testingutils"
)
var cases = []struct {
name string
operation func(b *web.PageInjector)
expected string
}{
{
name: "title",
operation: func(b *web.PageInjector) {
b.Title("Hello")
},
expected: `<title>Hello</title>
<meta charset='utf8'>
<meta name='viewport' content='width=device-width, initial-scale=1, shrink-to-fit=no'>
`,
},
{
name: "title and charset",
operation: func(b *web.PageInjector) {
b.Title("Hello")
b.Meta(web.MetaKey("charset"), "charset", "shiftjis")
},
expected: `<title>Hello</title>
<meta charset='shiftjis'>
<meta name='viewport' content='width=device-width, initial-scale=1, shrink-to-fit=no'>
`,
},
{
name: "title and charset double",
operation: func(b *web.PageInjector) {
b.Title("Hello")
b.Meta(web.MetaKey("charset"), "charset", "shiftjis")
b.Meta(web.MetaKey("charset"), "charset", "utf8")
b.MetaNameContent("keywords", "Hello")
},
expected: `<title>Hello</title>
<meta charset='utf8'>
<meta name='keywords' content='Hello'>
<meta name='viewport' content='width=device-width, initial-scale=1, shrink-to-fit=no'>
`,
},
{
name: "script tag",
operation: func(b *web.PageInjector) {
b.HeadHTML(`
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-123123-1"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'UA-123123-1');
</script>
`)
},
expected: `
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-123123-1"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'UA-123123-1');
</script>
<meta charset='utf8'>
<meta name='viewport' content='width=device-width, initial-scale=1, shrink-to-fit=no'>
`,
},
}
func TestDefaultPageInjector(t *testing.T) {
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
var b web.PageInjector
c.operation(&b)
diff := testingutils.PrettyJsonDiff(
strings.TrimSpace(c.expected),
strings.TrimSpace(h.MustString(b.GetHeadHTMLComponent(), context.TODO())))
if len(diff) > 0 {
t.Error(diff)
}
})
}
}
func TestLayoutFunc(t *testing.T) {
cases := []multipartestutils.TestCase{
{
Debug: true,
Name: "customized layout",
HandlerMaker: func() http.Handler {
b := web.New().LayoutFunc(func(in web.PageFunc) web.PageFunc {
return func(ctx *web.EventContext) (r web.PageResponse, err error) {
r, err = in(ctx)
r.Body = h.Div(r.Body)
return
}
})
return web.Page(func(ctx *web.EventContext) (r web.PageResponse, err error) {
r.PageTitle = "Hello"
r.Body = h.Div().Text("Main")
return
}).Builder(b)
},
ReqFunc: func() *http.Request {
return httptest.NewRequest("GET", "/hello", nil)
},
ExpectPageBodyNotContains: []string{"<head>", "utf8", "viewport", "<body>"},
},
{
Debug: true,
Name: "default layout",
HandlerMaker: func() http.Handler {
return web.Page(func(ctx *web.EventContext) (r web.PageResponse, err error) {
r.PageTitle = "Hello"
r.Body = h.Div().Text("Main")
return
}).Builder(web.New())
},
ReqFunc: func() *http.Request {
return httptest.NewRequest("GET", "/hello", nil)
},
ExpectPageBodyContainsInOrder: []string{"utf8", "viewport"},
},
{
Debug: true,
Name: "skip default",
HandlerMaker: func() http.Handler {
return web.Page(func(ctx *web.EventContext) (r web.PageResponse, err error) {
ctx.Injector.SkipDefaultSetting()
return
}).Builder(web.New())
},
ReqFunc: func() *http.Request {
return httptest.NewRequest("GET", "/hello", nil)
},
ExpectPageBodyNotContains: []string{"utf8"},
},
{
Debug: true,
Name: "no op layout",
HandlerMaker: func() http.Handler {
return web.Page(func(ctx *web.EventContext) (r web.PageResponse, err error) {
r.Body = h.Div().Text("hello")
return
}).Builder(web.New().LayoutFunc(web.NoopLayoutFunc))
},
ReqFunc: func() *http.Request {
return httptest.NewRequest("GET", "/hello", nil)
},
ExpectPageBodyContainsInOrder: []string{"<div>hello</div>"},
},
}
for _, c := range cases {
t.Run(c.Name, func(t *testing.T) {
multipartestutils.RunCase(t, c, nil)
})
}
}