template testing helpers

templates/components/role_test.go

@@ -1,31 +1,20 @@
 package components_test
 
 import (
-	"bytes"
 	"fmt"
-	"html/template"
 	"testing"
 
 	"git.sapphic.engineer/roleypoly/v4/presentation"
-	"git.sapphic.engineer/roleypoly/v4/templates"
+	"git.sapphic.engineer/roleypoly/v4/templates/templatetesting"
 	"git.sapphic.engineer/roleypoly/v4/types"
 	"git.sapphic.engineer/roleypoly/v4/types/fixtures"
 	"git.sapphic.engineer/roleypoly/v4/utils"
 	"github.com/stretchr/testify/assert"
 )
 
-var (
-	Templates = template.Must(template.ParseFS(templates.FS, "components/*.html"))
-)
-
 func renderRole(t *testing.T, c *types.Category, r *types.Role, s bool) string {
 	data := presentation.Role(c, r, s)
-	buf := bytes.Buffer{}
-	err := Templates.ExecuteTemplate(&buf, "role.html", data)
-	if err != nil {
-		t.Fatal("template failed to render", err)
-	}
-	return buf.String()
+	return templatetesting.Template(t, "components/role", data)
 }
 
 func TestRole(t *testing.T) {

templates/templatetesting/templates.go

@@ -0,0 +1,66 @@
+// Package testing provides test helpers that support fiber templates
+package templatetesting
+
+import (
+	"bytes"
+	"html/template"
+	"io/fs"
+	"strings"
+	"testing"
+
+	"git.sapphic.engineer/roleypoly/v4/templates"
+)
+
+var (
+	funcMap = template.FuncMap{
+		"embed": func() string {
+			return "%%EMBED%%"
+		},
+	}
+	Templates *template.Template = template.New("index").Funcs(funcMap)
+)
+
+func init() {
+	fs.WalkDir(templates.FS, ".", func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if d.IsDir() {
+			return nil
+		}
+
+		fiberName := strings.Replace(path, ".html", "", 1)
+		f, err := templates.FS.ReadFile(path)
+		if err != nil {
+			return err
+		}
+
+		if fiberName == "index" {
+			Templates, err = Templates.Parse(string(f))
+		} else {
+			_, err = Templates.New(fiberName).Parse(string(f))
+		}
+
+		return err
+	},
+	)
+
+}
+
+func Template(t *testing.T, name string, data interface{}) string {
+	buf := bytes.Buffer{}
+	err := Templates.ExecuteTemplate(&buf, name, data)
+	if err != nil {
+		debugTemplates(t)
+		t.Fatal("failed to render: ", err)
+	}
+
+	return buf.String()
+}
+
+func debugTemplates(t *testing.T) {
+	for i, tmpl := range Templates.Templates() {
+		t.Logf("template %d: name=%s", i, tmpl.Name())
+	}
+}

templates/templatetesting/templates_test.go

@@ -0,0 +1,16 @@
+package templatetesting_test
+
+import (
+	"testing"
+
+	"git.sapphic.engineer/roleypoly/v4/templates/templatetesting"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRender(t *testing.T) {
+	for _, template := range templatetesting.Templates.Templates() {
+		assert.NotPanicsf(t, func() {
+			templatetesting.Template(t, template.Name(), nil)
+		}, "rendering %s", template.Name())
+	}
+}

templates/testing/templates.go

@@ -1,14 +0,0 @@
-// Package testing provides test helpers that support fiber templates
-package testing
-
-import (
-	"html/template"
-
-	"git.sapphic.engineer/roleypoly/v4/templates"
-)
-
-var (
-	Templates = template.Must(template.ParseFS(templates.FS, "*.html")).Funcs(template.FuncMap{
-		"embed": func() {},
-	})
-)

templates/testing/templates_test.go

@@ -1,7 +0,0 @@
-package testing_test
-
-// func Test(t *testing.T) {
-
-// }
-
-// TODO: test the template tester