learnlytics-go/templ/turbo/stream_test.go
2025-03-20 12:35:13 +01:00

119 lines
3.7 KiB
Go

package turbo
import (
"bytes"
"context"
"io"
"net/http/httptest"
"testing"
"github.com/PuerkitoBio/goquery"
"github.com/a-h/templ"
)
var contentTemplate = templ.ComponentFunc(func(ctx context.Context, w io.Writer) error {
_, err := io.WriteString(w, "content")
return err
})
func TestStreamReplace(t *testing.T) {
// Arrange.
w := httptest.NewRecorder()
if err := Replace(w, "replaceTarget", contentTemplate); err != nil {
t.Fatalf("replace failed: %v", err)
}
// Act.
bdy := w.Body.Bytes()
doc, err := goquery.NewDocumentFromReader(bytes.NewReader(bdy))
if err != nil {
t.Fatalf("failed to read response: %v", err)
}
// Assert.
selection := doc.Find(`turbo-stream[action="replace"][target="replaceTarget"]`)
if selection.Length() != 1 {
t.Error("expected to find a replace action, but didn't")
}
text := selection.First().Text()
if text != "content" {
t.Errorf("expected 'content' to be the text, but got %q\n%s", text, bdy)
}
}
func TestStream(t *testing.T) {
w := httptest.NewRecorder()
// Append.
expectedAppends := 2
for i := 0; i < expectedAppends; i++ {
if err := Append(w, "appendTarget", contentTemplate); err != nil {
t.Fatalf("append failed: %v", err)
}
}
// Prepend.
expectedPrepends := 3
for i := 0; i < expectedPrepends; i++ {
if err := Prepend(w, "prependTarget", contentTemplate); err != nil {
t.Fatalf("prepend failed: %v", err)
}
}
// Replace.
expectedReplaces := 4
for i := 0; i < expectedReplaces; i++ {
if err := Replace(w, "replaceTarget", contentTemplate); err != nil {
t.Fatalf("replace failed: %v", err)
}
}
// Update.
expectedUpdates := 5
for i := 0; i < expectedUpdates; i++ {
if err := Update(w, "updateTarget", contentTemplate); err != nil {
t.Fatalf("update failed: %v", err)
}
}
// Remove.
expectedRemoves := 6
for i := 0; i < expectedRemoves; i++ {
if err := Remove(w, "removeTarget"); err != nil {
t.Fatalf("remove failed: %v", err)
}
}
doc, err := goquery.NewDocumentFromReader(w.Body)
if err != nil {
t.Fatalf("failed to read response: %v", err)
}
if appendCount := doc.Find(`turbo-stream[action="append"][target="appendTarget"]`).Length(); appendCount != expectedAppends {
t.Errorf("expected %d append actions, but got %d", expectedAppends, appendCount)
}
if prependCount := doc.Find(`turbo-stream[action="prepend"][target="prependTarget"]`).Length(); prependCount != expectedPrepends {
t.Errorf("expected %d prepend actions, but got %d", expectedPrepends, prependCount)
}
if replaceCount := doc.Find(`turbo-stream[action="replace"][target="replaceTarget"]`).Length(); replaceCount != expectedReplaces {
t.Errorf("expected %d replace actions, but got %d", expectedReplaces, replaceCount)
}
if updateCount := doc.Find(`turbo-stream[action="update"][target="updateTarget"]`).Length(); updateCount != expectedUpdates {
t.Errorf("expected %d update actions, but got %d", expectedUpdates, updateCount)
}
if removeCount := doc.Find(`turbo-stream[action="remove"][target="removeTarget"]`).Length(); removeCount != expectedRemoves {
t.Errorf("expected %d remove actions, but got %d", expectedRemoves, removeCount)
}
if w.Result().Header.Get("Content-Type") != "text/vnd.turbo-stream.html" {
t.Errorf("expected Content-Type %q, got %q", "text/vnd.turbo-stream.html", w.Result().Header.Get("Content-Type"))
}
}
func TestIsTurboRequest(t *testing.T) {
turboRequest := httptest.NewRequest("GET", "/", nil)
if IsTurboRequest(turboRequest) {
t.Error("request was incorrectly recognised as a Turbo stream request")
}
turboRequest.Header.Add("accept", "text/vnd.turbo-stream.html")
if !IsTurboRequest(turboRequest) {
t.Error("request not correctly recognised as a Turbo stream request")
}
}