// Copyright 2021 Molecula Corp. All rights reserved.
package ctl

import (
	"bytes"
	"context"
	"path/filepath"
	"testing"
)

func TestRBFPagesCommand_Run(t *testing.T) {
	t.Run("OK", func(t *testing.T) {
		want := `
ID       TYPE       EXTRA
======== ========== ====================
0        meta       pageN=4,walid=4,rootrec=1,freelist=2
1        rootrec    next=0
2        leaf       flags=x2,celln=0
3        leaf       flags=x2,celln=1
`[1:]

		var stdout, stderr bytes.Buffer
		cmd := NewRBFPagesCommand(bytes.NewReader(nil), &stdout, &stderr)
		cmd.Path = filepath.Join("testdata", "rbf-pages", "ok")
		if err := cmd.Run(context.Background()); err != nil {
			t.Fatal(err)
		} else if got := stdout.String(); got != want {
			t.Fatalf("got:\n%s\n\nwant:\n%s", got, want)
		}
	})

	t.Run("ErrInvalidPageType", func(t *testing.T) {
		want := `
ID       TYPE       EXTRA
======== ========== ====================
0        meta       pageN=5,walid=4,rootrec=1,freelist=2
1        rootrec    next=0
2        leaf       flags=x2,celln=0
3        leaf       flags=x2,celln=1
4        unknown [<nil>]
`[1:]

		var stdout, stderr bytes.Buffer
		cmd := NewRBFPagesCommand(bytes.NewReader(nil), &stdout, &stderr)
		cmd.Path = filepath.Join("testdata", "rbf-pages", "err-invalid-page-type")
		if err := cmd.Run(context.Background()); err != nil {
			t.Fatal(err)
		} else if got := stdout.String(); got != want {
			t.Fatalf("got:\n%s\n\nwant:\n%s", got, want)
		}
	})
}
