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moby--moby/daemon/graphdriver/overlay2/overlay_test.go
Derek McGowan ac5d363e67
Update overlay2 to use naive diff for changes
The archive changes function is not implemented correctly
to handle opaque directories.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
2018-06-20 11:07:36 -07:00

109 lines
2.6 KiB
Go

// +build linux
package overlay2 // import "github.com/docker/docker/daemon/graphdriver/overlay2"
import (
"io/ioutil"
"os"
"testing"
"github.com/docker/docker/daemon/graphdriver"
"github.com/docker/docker/daemon/graphdriver/graphtest"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/reexec"
)
func init() {
// Do not sure chroot to speed run time and allow archive
// errors or hangs to be debugged directly from the test process.
untar = archive.UntarUncompressed
graphdriver.ApplyUncompressedLayer = archive.ApplyUncompressedLayer
reexec.Init()
}
func skipIfNaive(t *testing.T) {
td, err := ioutil.TempDir("", "naive-check-")
if err != nil {
t.Fatalf("Failed to create temp dir: %v", err)
}
defer os.RemoveAll(td)
if useNaiveDiff(td) {
t.Skipf("Cannot run test with naive diff")
}
}
// This avoids creating a new driver for each test if all tests are run
// Make sure to put new tests between TestOverlaySetup and TestOverlayTeardown
func TestOverlaySetup(t *testing.T) {
graphtest.GetDriver(t, driverName)
}
func TestOverlayCreateEmpty(t *testing.T) {
graphtest.DriverTestCreateEmpty(t, driverName)
}
func TestOverlayCreateBase(t *testing.T) {
graphtest.DriverTestCreateBase(t, driverName)
}
func TestOverlayCreateSnap(t *testing.T) {
graphtest.DriverTestCreateSnap(t, driverName)
}
func TestOverlay128LayerRead(t *testing.T) {
graphtest.DriverTestDeepLayerRead(t, 128, driverName)
}
func TestOverlayDiffApply10Files(t *testing.T) {
skipIfNaive(t)
graphtest.DriverTestDiffApply(t, 10, driverName)
}
func TestOverlayChanges(t *testing.T) {
t.Skipf("Cannot run test with naive change algorithm")
graphtest.DriverTestChanges(t, driverName)
}
func TestOverlayTeardown(t *testing.T) {
graphtest.PutDriver(t)
}
// Benchmarks should always setup new driver
func BenchmarkExists(b *testing.B) {
graphtest.DriverBenchExists(b, driverName)
}
func BenchmarkGetEmpty(b *testing.B) {
graphtest.DriverBenchGetEmpty(b, driverName)
}
func BenchmarkDiffBase(b *testing.B) {
graphtest.DriverBenchDiffBase(b, driverName)
}
func BenchmarkDiffSmallUpper(b *testing.B) {
graphtest.DriverBenchDiffN(b, 10, 10, driverName)
}
func BenchmarkDiff10KFileUpper(b *testing.B) {
graphtest.DriverBenchDiffN(b, 10, 10000, driverName)
}
func BenchmarkDiff10KFilesBottom(b *testing.B) {
graphtest.DriverBenchDiffN(b, 10000, 10, driverName)
}
func BenchmarkDiffApply100(b *testing.B) {
graphtest.DriverBenchDiffApplyN(b, 100, driverName)
}
func BenchmarkDiff20Layers(b *testing.B) {
graphtest.DriverBenchDeepLayerDiff(b, 20, driverName)
}
func BenchmarkRead20Layers(b *testing.B) {
graphtest.DriverBenchDeepLayerRead(b, 20, driverName)
}