mirror of https://github.com/restic/restic.git
126 lines
3.0 KiB
Go
126 lines
3.0 KiB
Go
package test_helper
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"math/rand"
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"os"
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"os/exec"
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"path/filepath"
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"reflect"
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"runtime"
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"testing"
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"github.com/restic/restic/backend"
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"github.com/restic/restic/backend/local"
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"github.com/restic/restic/repository"
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)
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// Assert fails the test if the condition is false.
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func Assert(tb testing.TB, condition bool, msg string, v ...interface{}) {
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if !condition {
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_, file, line, _ := runtime.Caller(1)
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fmt.Printf("\033[31m%s:%d: "+msg+"\033[39m\n\n", append([]interface{}{filepath.Base(file), line}, v...)...)
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tb.FailNow()
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}
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}
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// OK fails the test if an err is not nil.
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func OK(tb testing.TB, err error) {
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if err != nil {
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_, file, line, _ := runtime.Caller(1)
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fmt.Printf("\033[31m%s:%d: unexpected error: %s\033[39m\n\n", filepath.Base(file), line, err.Error())
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tb.FailNow()
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}
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}
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// Equals fails the test if exp is not equal to act.
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func Equals(tb testing.TB, exp, act interface{}) {
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if !reflect.DeepEqual(exp, act) {
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_, file, line, _ := runtime.Caller(1)
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fmt.Printf("\033[31m%s:%d:\n\n\texp: %#v\n\n\tgot: %#v\033[39m\n\n", filepath.Base(file), line, exp, act)
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tb.FailNow()
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}
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}
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func ParseID(s string) backend.ID {
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id, err := backend.ParseID(s)
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if err != nil {
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panic(err)
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}
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return id
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}
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// Random returns size bytes of pseudo-random data derived from the seed.
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func Random(seed, count int) []byte {
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buf := make([]byte, count)
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rnd := rand.New(rand.NewSource(int64(seed)))
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for i := 0; i < count; i++ {
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buf[i] = byte(rnd.Uint32())
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}
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return buf
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}
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// RandomReader returns a reader that returns size bytes of pseudo-random data
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// derived from the seed.
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func RandomReader(seed, size int) *bytes.Reader {
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return bytes.NewReader(Random(seed, size))
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}
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// SetupTarTestFixture extracts the tarFile to outputDir.
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func SetupTarTestFixture(t testing.TB, outputDir, tarFile string) {
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err := System("sh", "-c", `(cd "$1" && tar xz) < "$2"`,
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"sh", outputDir, tarFile)
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OK(t, err)
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}
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// System runs the command and returns the exit code. Output is passed on to
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// stdout/stderr.
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func System(command string, args ...string) error {
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cmd := exec.Command(command, args...)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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return cmd.Run()
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}
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// WithTestEnvironment creates a test environment, extracts the repository
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// fixture and and calls f with the repository dir.
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func WithTestEnvironment(t testing.TB, repoFixture string, f func(repodir string)) {
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tempdir, err := ioutil.TempDir(TestTempDir, "restic-test-")
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OK(t, err)
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fd, err := os.Open(repoFixture)
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if err != nil {
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panic(err)
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}
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OK(t, fd.Close())
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SetupTarTestFixture(t, tempdir, repoFixture)
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f(filepath.Join(tempdir, "repo"))
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if !TestCleanup {
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t.Logf("leaving temporary directory %v used for test", tempdir)
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return
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}
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OK(t, os.RemoveAll(tempdir))
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}
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// OpenLocalRepo opens the local repository located at dir.
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func OpenLocalRepo(t testing.TB, dir string) *repository.Repository {
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be, err := local.Open(dir)
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OK(t, err)
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repo := repository.New(be)
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err = repo.SearchKey(TestPassword)
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OK(t, err)
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return repo
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}
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