feat: tests for http handlers and render package

2026-02-02 10:09:01 +01:00
parent 36ac3f03aa
commit 16ff836274
2 changed files with 327 additions and 0 deletions
--- a/internal/render/render_test.go
+++ b/internal/render/render_test.go
@ -1,6 +1,10 @@
 package render

 import (
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
 	"strings"
 	"testing"
 )
@ -50,3 +54,92 @@ Check this out [here](http://tatata.toto)
 		}
 	}
 }
+
+func TestTemplateManagerGetTemplate_Caches(t *testing.T) {
+	baseDir := t.TempDir()
+	writeTemplate(t, baseDir, "base.tmpl", `{{ define "base" }}base{{ end }}`)
+	writeTemplate(t, baseDir, "index.tmpl", `{{ define "content" }}index{{ end }}`)
+
+	tm := NewTemplateManager(baseDir)
+	td := &TemplateData{
+		Name:        "index",
+		FileNameSet: []string{"base", "index"},
+	}
+
+	first, err := tm.GetTemplate(td)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	second, err := tm.GetTemplate(td)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if first != second {
+		t.Fatalf("expected cached template instance")
+	}
+}
+
+func TestTemplateManagerGetTemplate_Missing(t *testing.T) {
+	baseDir := t.TempDir()
+	tm := NewTemplateManager(baseDir)
+
+	td := &TemplateData{
+		Name:        "missing",
+		FileNameSet: []string{"missing"},
+	}
+
+	if _, err := tm.GetTemplate(td); err == nil {
+		t.Fatalf("expected error for missing template")
+	}
+}
+
+func TestTemplateManagerRender(t *testing.T) {
+	baseDir := t.TempDir()
+	writeTemplate(t, baseDir, "base.tmpl", `{{ define "base" }}<html>{{ template "content" . }}</html>{{ end }}`)
+	writeTemplate(t, baseDir, "noteList.tmpl", `{{ define "noteList" }}notes{{ end }}`)
+	writeTemplate(t, baseDir, "index.tmpl", `{{ define "content" }}hello{{ end }}`)
+
+	tm := NewTemplateManager(baseDir)
+	rec := httptest.NewRecorder()
+
+	err := tm.Render(rec, "index", map[string]string{"msg": "hi"})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if ct := rec.Header().Get("Content-Type"); ct != "text/html; charset=utf-8" {
+		t.Fatalf("expected content-type text/html; charset=utf-8, got %q", ct)
+	}
+
+	if rec.Code != http.StatusOK {
+		t.Fatalf("expected status 200, got %d", rec.Code)
+	}
+
+	if !strings.Contains(rec.Body.String(), "hello") {
+		t.Fatalf("expected rendered template content")
+	}
+}
+
+func TestTemplateManagerRender_MissingTemplate(t *testing.T) {
+	baseDir := t.TempDir()
+	writeTemplate(t, baseDir, "base.tmpl", `{{ define "base" }}<html>{{ template "content" . }}</html>{{ end }}`)
+	writeTemplate(t, baseDir, "noteList.tmpl", `{{ define "noteList" }}notes{{ end }}`)
+
+	tm := NewTemplateManager(baseDir)
+	rec := httptest.NewRecorder()
+
+	if err := tm.Render(rec, "index", nil); err == nil {
+		t.Fatalf("expected error for missing template")
+	}
+}
+
+func writeTemplate(t *testing.T, dir, name, contents string) {
+	t.Helper()
+
+	path := filepath.Join(dir, name)
+	if err := os.WriteFile(path, []byte(contents), 0o600); err != nil {
+		t.Fatalf("write template %s: %v", name, err)
+	}
+}