go-html/codegen/codegen_test.go
Claude 937c08d9ed
feat(codegen): Web Component class generation from HLCRF slots
Generates Custom Element v1 classes with closed Shadow DOM from manifest
slot assignments. Includes tag validation, PascalCase conversion, and
bundle generation for full HLCRF layout.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-17 20:49:45 +00:00

54 lines
1.4 KiB
Go

package codegen
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGenerateClass_Good(t *testing.T) {
js, err := GenerateClass("photo-grid", "C")
require.NoError(t, err)
assert.Contains(t, js, "class PhotoGrid extends HTMLElement")
assert.Contains(t, js, "attachShadow")
assert.Contains(t, js, `mode: "closed"`)
assert.Contains(t, js, "photo-grid")
}
func TestGenerateClass_Bad_InvalidTag(t *testing.T) {
_, err := GenerateClass("invalid", "C")
assert.Error(t, err, "custom element names must contain a hyphen")
}
func TestGenerateRegistration_Good(t *testing.T) {
js := GenerateRegistration("photo-grid", "PhotoGrid")
assert.Contains(t, js, "customElements.define")
assert.Contains(t, js, `"photo-grid"`)
assert.Contains(t, js, "PhotoGrid")
}
func TestTagToClassName_Good(t *testing.T) {
tests := []struct{ tag, want string }{
{"photo-grid", "PhotoGrid"},
{"nav-breadcrumb", "NavBreadcrumb"},
{"my-super-widget", "MySuperWidget"},
}
for _, tt := range tests {
got := TagToClassName(tt.tag)
assert.Equal(t, tt.want, got, "TagToClassName(%q)", tt.tag)
}
}
func TestGenerateBundle_Good(t *testing.T) {
slots := map[string]string{
"H": "nav-bar",
"C": "main-content",
}
js, err := GenerateBundle(slots)
require.NoError(t, err)
assert.Contains(t, js, "NavBar")
assert.Contains(t, js, "MainContent")
assert.Equal(t, 2, strings.Count(js, "extends HTMLElement"))
}