Add template engine test

ctx_test.go

@@ -19,6 +19,7 @@ import (
 	"strconv"
 	"strings"
 	"testing"
+	"text/template"
 	"time"
 
 	utils "github.com/gofiber/utils"
@@ -1062,6 +1063,31 @@ func Test_Ctx_Render(t *testing.T) {
 	utils.AssertEqual(t, "<h1>Hello, World!</h1>", string(ctx.Fasthttp.Response.Body()))
 }
 
+type testTemplateEngine struct {
+	templates *template.Template
+}
+
+func (t *testTemplateEngine) Render(w io.Writer, name string, bind interface{}) error {
+	return t.templates.ExecuteTemplate(w, name, bind)
+}
+
+// go test -run Test_Ctx_Render_Engine
+func Test_Ctx_Render_Engine(t *testing.T) {
+	t.Parallel()
+	engine := &testTemplateEngine{
+		templates: template.Must(template.ParseGlob("./.github/*.tmpl")),
+	}
+	app := New()
+	app.Settings.Templates = engine
+	ctx := app.AcquireCtx(&fasthttp.RequestCtx{})
+	defer app.ReleaseCtx(ctx)
+	err := ctx.Render("index.tmpl", Map{
+		"Title": "Hello, World!",
+	})
+	utils.AssertEqual(t, nil, err)
+	utils.AssertEqual(t, "<h1>Hello, World!</h1>", string(ctx.Fasthttp.Response.Body()))
+}
+
 // go test -run Test_Ctx_Render_Go_Template
 func Test_Ctx_Render_Go_Template(t *testing.T) {
 	t.Parallel()

go.sum

@@ -12,6 +12,7 @@ github.com/valyala/fasthttp v1.14.0 h1:67bfuW9azCMwW/Jlq/C+VeihNpAuJMWkYPBig1gdi
 github.com/valyala/fasthttp v1.14.0/go.mod h1:ol1PCaL0dX20wC0htZ7sYCsvCYmrouYra0zHzaclZhE=
 github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a h1:0R4NLDRDZX6JcmhJgXi5E4b8Wg84ihbmUKp/GvSPEzc=
 github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV9WzVtRmSR+PDvWpU/qWl4Wa5LApYYX4ZtKbio=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=