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path: root/commands/env_testing.go
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package commands

import (
	"bytes"
	"testing"

	"github.com/stretchr/testify/require"

	"github.com/MichaelMure/git-bug/cache"
	"github.com/MichaelMure/git-bug/repository"
	"github.com/MichaelMure/git-bug/util/interrupt"
)

type testEnv struct {
	env *Env
	cwd string
	out *bytes.Buffer
}

func newTestEnv(t *testing.T) *testEnv {
	t.Helper()

	cwd := t.TempDir()

	repo, err := repository.InitGoGitRepo(cwd, gitBugNamespace)
	require.NoError(t, err)
	t.Cleanup(func() {
		require.NoError(t, repo.Close())
	})

	buf := new(bytes.Buffer)

	backend, err := cache.NewRepoCache(repo)
	require.NoError(t, err)

	testEnv := &testEnv{
		env: &Env{
			repo:    repo,
			backend: backend,
			out:     out{Writer: buf},
			err:     out{Writer: buf},
		},
		cwd: cwd,
		out: buf,
	}

	cleaner := func(env *Env) interrupt.CleanerFunc {
		return func() error {
			if env.backend != nil {
				err := env.backend.Close()
				env.backend = nil
				return err
			}
			return nil
		}
	}

	// Cleanup properly on interrupt
	interrupt.RegisterCleaner(cleaner(testEnv.env))

	return testEnv
}