package helm

import (
	"path/filepath"
	"testing"
)

func TestDirectoryStructure(t *testing.T) {
	chartsDir, err := Templates.ReadDir("linkerd/charts")
	if err != nil {
		t.Error(err)
	}

	if len(chartsDir) == 0 {
		t.Fatal("linkerd/charts/ directory empty in embedded filesystem")
	}
	if len(chartsDir) != 4 {
		t.Fatal("linkerd/charts/ directory should only contain directories")
	}
	if chartsDir[0].Name() != "linkerd-control-plane" {
		t.Fatal("linkerd/charts/linkerd-control-plane/ not present")
	}
	if chartsDir[1].Name() != "linkerd-crds" {
		t.Fatal("linkerd/charts/linkerd-crds/ not present")
	}
	if chartsDir[2].Name() != "partials" {
		t.Fatal("linkerd/charts/partials/ not present")
	}
	if chartsDir[3].Name() != "patch" {
		t.Fatal("linkerd/charts/patch/ not present")
	}

	// test partials are all present
	templates, err := Templates.ReadDir("linkerd/charts/partials/templates")
	if err != nil {
		t.Error(err)
	}
	if len(templates) == 0 {
		t.Fatal("linkerd/charts/partials/templates is empty")
	}

	for _, e := range chartsDir {
		t.Log(e.Name())
		if !e.IsDir() {
			t.Fatal("not a directory", e.Name())
		}
		_, err := Templates.ReadDir(filepath.Join("linkerd/charts", e.Name()))
		if err != nil {
			t.Error(err)
		}
	}
}